syscons.c revision 514
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@login.dkuug.dk) to provide: 39 * 40 * virtual consoles, SYSV ioctl's, ANSI emulation 41 * 42 * @(#)syscons.c 1.0 930928 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 ((cur_pccons->t_state & TS_ISOPEN) == 0) 467 return; 468 if (pcconsoftc.cs_flags & CSF_POLLING) 469 return; 470 if (c < 0x100) 471 (*linesw[cur_pccons->t_line].l_rint)(c & 0xFF, cur_pccons); 472 else if (cp = get_fstr((u_int)c, (u_int *)&len)) { 473 while (len-- > 0) 474 (*linesw[cur_pccons->t_line].l_rint) 475 (*cp++ & 0xFF, cur_pccons); 476 } 477} 478 479 480/* 481 * Set line parameters 482 */ 483pcparam(struct tty *tp, struct termios *t) 484{ 485 int cflag = t->c_cflag; 486 487 /* and copy to tty */ 488 tp->t_ispeed = t->c_ispeed; 489 tp->t_ospeed = t->c_ospeed; 490 tp->t_cflag = cflag; 491 return(0); 492} 493 494 495pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 496{ 497 int i, error; 498 struct tty *tp; 499 struct syscframe *fp; 500 scr_stat *scp; 501 502 tp = get_pccons(dev); 503 if (!tp) 504 return ENXIO; 505 scp = get_scr_stat(tp->t_dev); 506 507 switch (cmd) { /* process console hardware related ioctl's */ 508 509 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 510 scrn_blank_time = *(int*)data; 511 return 0; 512 513 case CONS_80x25TEXT: /* set 80x25 text mode */ 514 if (!crtc_vga) 515 return ENXIO; 516 scp->mode = TEXT80x25; 517 scp->max_posy = 25; 518 free(scp->scr, M_DEVBUF); 519 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 520 M_DEVBUF, M_NOWAIT); 521 if (scp != cur_scr_stat) 522 scp->crt_base = scp->scr; 523 set_mode(scp); 524 clear_screen(scp); 525 change_winsize(tp, scp->max_posx, scp->max_posy); 526 return 0; 527 528 case CONS_80x50TEXT: /* set 80x50 text mode */ 529 if (!crtc_vga) 530 return ENXIO; 531 scp->mode = TEXT80x50; 532 scp->max_posy = 50; 533 free(scp->scr, M_DEVBUF); 534 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 535 M_DEVBUF, M_NOWAIT); 536 if (scp != cur_scr_stat) 537 scp->crt_base = scp->scr; 538 set_mode(scp); 539 clear_screen(scp); 540 change_winsize(tp, scp->max_posx, scp->max_posy); 541 return 0; 542 543 case CONS_GETVERS: /* get version number */ 544 *(int*)data = 0x100; /* version 1.0 */ 545 return 0; 546 547 case CONS_GETINFO: /* get current (virtual) console info */ 548 if (*data == sizeof(struct vid_info)) { 549 vid_info_t *ptr = (vid_info_t*)data; 550 ptr->m_num = get_scr_num(scp); 551 ptr->mv_col = scp->posx; 552 ptr->mv_row = scp->posy; 553 ptr->mv_csz = scp->max_posx; 554 ptr->mv_rsz = scp->max_posy; 555 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 556 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 557 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 558 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 559 ptr->mv_grfc.fore = 0; /* not supported */ 560 ptr->mv_grfc.back = 0; /* not supported */ 561 ptr->mv_ovscan = scp->border; 562 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 563 return 0; 564 } 565 return EINVAL; 566 567 case VT_SETMODE: /* set screen switcher mode */ 568 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 569 if (scp->smode.mode == VT_PROCESS) { 570 scp->proc = p; 571 scp->pid = scp->proc->p_pid; 572 } 573 return 0; 574 575 case VT_GETMODE: /* get screen switcher mode */ 576 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 577 return 0; 578 579 case VT_RELDISP: /* screen switcher ioctl */ 580 switch(*data) { 581 case VT_FALSE: /* user refuses to release screen, abort */ 582 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 583 old_scp->status &= ~SWITCH_WAIT_REL; 584 switch_in_progress = 0; 585 return 0; 586 } 587 return EINVAL; 588 589 case VT_TRUE: /* user has released screen, go on */ 590 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 591 scp->status &= ~SWITCH_WAIT_REL; 592 exchange_scr(); 593 if (new_scp->smode.mode == VT_PROCESS) { 594 new_scp->status |= SWITCH_WAIT_ACQ; 595 psignal(new_scp->proc, 596 new_scp->smode.acqsig); 597 } 598 else 599 switch_in_progress = 0; 600 return 0; 601 } 602 return EINVAL; 603 604 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 605 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 606 scp->status &= ~SWITCH_WAIT_ACQ; 607 switch_in_progress = 0; 608 return 0; 609 } 610 return EINVAL; 611 612 default: 613 return EINVAL; 614 } 615 /* NOT REACHED */ 616 617 case VT_OPENQRY: /* return free virtual console */ 618 for (i = 0; i < NCONS; i++) 619 if (!(pccons[i].t_state & TS_ISOPEN)) { 620 *data = i + 1; 621 return 0; 622 } 623 return EINVAL; 624 /* NOT REACHED */ 625 626 case VT_ACTIVATE: /* switch to screen *data */ 627 return switch_scr((*data) - 1); 628 629 case VT_WAITACTIVE: /* wait for switch to occur */ 630 if (*data > NCONS) 631 return EINVAL; 632 if (minor(dev) == (*data) - 1) 633 return 0; 634 if (*data == 0) { 635 if (scp == cur_scr_stat) 636 return 0; 637 while ((error=tsleep(&scp->smode, 638 PZERO|PCATCH, "waitvt", 0)) 639 == ERESTART) ; 640 } 641 else 642 while ((error=tsleep(&cons_scr_stat[*data].smode, 643 PZERO|PCATCH, "waitvt", 0)) 644 == ERESTART) ; 645 return error; 646 647 case KDENABIO: /* allow io operations */ 648 fp = (struct syscframe *)p->p_regs; 649 fp->sf_eflags |= PSL_IOPL; 650 return 0; 651 652 case KDDISABIO: /* disallow io operations (default) */ 653 fp = (struct syscframe *)p->p_regs; 654 fp->sf_eflags &= ~PSL_IOPL; 655 return 0; 656 657 case KDSETMODE: /* set current mode of this (virtual) console */ 658 switch (*data) { 659 case KD_TEXT: /* switch to TEXT (known) mode */ 660 /* restore fonts & palette ! */ 661 if (crtc_vga) { 662 load_font(0, 16, font_8x16); 663 load_font(1, 8, font_8x8); 664 load_font(2, 14, font_8x14); 665 load_palette(); 666 } 667 /* FALL THROUGH */ 668 669 case KD_TEXT1: /* switch to TEXT (known) mode */ 670 /* no restore fonts & palette */ 671 scp->status &= ~UNKNOWN_MODE; 672 set_mode(scp); 673 clear_screen(scp); 674 return 0; 675 676 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 677 scp->status |= UNKNOWN_MODE; 678 return 0; 679 default: 680 return EINVAL; 681 } 682 /* NOT REACHED */ 683 684 case KDGETMODE: /* get current mode of this (virtual) console */ 685 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 686 return 0; 687 688 case KDSBORDER: /* set border color of this (virtual) console */ 689 if (!crtc_vga) 690 return ENXIO; 691 scp->border = *data; 692 if (scp == cur_scr_stat) 693 set_border(scp->border); 694 return 0; 695 696 case KDSKBSTATE: /* set keyboard state (locks) */ 697 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 698 scp->status &= ~LOCK_KEY_MASK; 699 scp->status |= *data; 700 if (scp == cur_scr_stat) 701 update_leds(scp->status & LED_MASK); 702 return 0; 703 } 704 return EINVAL; 705 706 case KDGKBSTATE: /* get keyboard state (locks) */ 707 *data = scp->status & LOCK_KEY_MASK; 708 return 0; 709 710 case KDSETRAD: /* set keyboard repeat & delay rates */ 711 if (*(u_char*)data < 0x80) { 712 kbd_cmd(KB_SETRAD); 713 kbd_cmd(*data & 0x7f); 714 return 0; 715 } 716 return EINVAL; 717 718 case KDSKBMODE: /* set keyboard mode */ 719 switch (*data) { 720 case K_RAW: /* switch to RAW scancode mode */ 721 scp->status |= KBD_RAW_MODE; 722 return 0; 723 724 case K_XLATE: /* switch to XLT ascii mode */ 725 scp->status &= ~KBD_RAW_MODE; 726 return 0; 727 default: 728 return EINVAL; 729 } 730 /* NOT REACHED */ 731 732 case KDGKBMODE: /* get keyboard mode */ 733 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 734 return 0; 735 736 case KDMKTONE: /* sound the bell */ 737 if (scp == cur_scr_stat) 738 sysbeep(scp->bell_pitch, scp->bell_duration); 739 return 0; 740 741 case KIOCSOUND: /* make tone (*data) hz */ 742 if (scp == cur_scr_stat) { 743 if (*(int*)data) { 744 int pitch = XTALSPEED/(*(int*)data); 745 /* enable counter 2 */ 746 outb(0x61, inb(0x61) | 3); 747 /* set command for counter 2, 2 byte write */ 748 outb(0x43, 0xb6); 749 /* set pitch */ 750 outb(0x42, pitch); 751 outb(0x42, (pitch>>8)); 752 } 753 else { 754 /* disable counter 2 */ 755 outb(0x61, inb(0x61) & 0xFC); 756 } 757 } 758 return 0; 759 760 case KDGKBTYPE: /* get keyboard type */ 761 *data = 0; /* type not known (yet) */ 762 return 0; 763 764 case KDSETLED: /* set keyboard LED status */ 765 if (*data >= 0 && *data <= LED_MASK) { 766 scp->status &= ~LED_MASK; 767 scp->status |= *data; 768 if (scp == cur_scr_stat) 769 update_leds(scp->status & LED_MASK); 770 return 0; 771 } 772 return EINVAL; 773 774 case KDGETLED: /* get keyboard LED status */ 775 *data = scp->status & LED_MASK; 776 return 0; 777 778 case GETFKEY: /* get functionkey string */ 779 if (*(u_short*)data < n_fkey_tab) { 780 fkeyarg_t *ptr = (fkeyarg_t*)data; 781 bcopy(&fkey_tab[ptr->keynum].str, 782 ptr->keydef, 783 fkey_tab[ptr->keynum].len); 784 ptr->flen = fkey_tab[ptr->keynum].len; 785 return 0; 786 } 787 else 788 return EINVAL; 789 790 case SETFKEY: /* set functionkey string */ 791 if (*(u_short*)data < n_fkey_tab) { 792 fkeyarg_t *ptr = (fkeyarg_t*)data; 793 bcopy(ptr->keydef, 794 &fkey_tab[ptr->keynum].str, 795 min(ptr->flen, MAXFK)); 796 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 797 return 0; 798 } 799 else 800 return EINVAL; 801 802 case GIO_SCRNMAP: /* get output translation table */ 803 bcopy(&scr_map, data, sizeof(scr_map)); 804 return 0; 805 806 case PIO_SCRNMAP: /* set output translation table */ 807 bcopy(data, &scr_map, sizeof(scr_map)); 808 return 0; 809 810 case GIO_KEYMAP: /* get keyboard translation table */ 811 bcopy(&key_map, data, sizeof(key_map)); 812 return 0; 813 814 case PIO_KEYMAP: /* set keyboard translation table */ 815 bcopy(data, &key_map, sizeof(key_map)); 816 return 0; 817 818 case PIO_FONT8x8: /* set 8x8 dot font */ 819 if (!crtc_vga) 820 return ENXIO; 821 bcopy(data, &font_8x8, sizeof(font_8x8)); 822 load_font(1, 8, font_8x8); 823 return 0; 824 825 case GIO_FONT8x8: /* get 8x8 dot font */ 826 if (!crtc_vga) 827 return ENXIO; 828 bcopy(&font_8x8, data, sizeof(font_8x8)); 829 return 0; 830 831 case PIO_FONT8x14: /* set 8x14 dot font */ 832 if (!crtc_vga) 833 return ENXIO; 834 bcopy(data, &font_8x14, sizeof(font_8x14)); 835 load_font(2, 14, font_8x14); 836 return 0; 837 838 case GIO_FONT8x14: /* get 8x14 dot font */ 839 if (!crtc_vga) 840 return ENXIO; 841 bcopy(&font_8x14, data, sizeof(font_8x14)); 842 return 0; 843 844 case PIO_FONT8x16: /* set 8x16 dot font */ 845 if (!crtc_vga) 846 return ENXIO; 847 bcopy(data, &font_8x16, sizeof(font_8x16)); 848 load_font(0, 16, font_8x16); 849 return 0; 850 851 case GIO_FONT8x16: /* get 8x16 dot font */ 852 if (!crtc_vga) 853 return ENXIO; 854 bcopy(&font_8x16, data, sizeof(font_8x16)); 855 return 0; 856 857 case CONSOLE_X_MODE_ON: /* just to be compatible */ 858 if (saved_console < 0) { 859 saved_console = get_scr_num(cur_scr_stat); 860 switch_scr(minor(dev)); 861 fp = (struct syscframe *)p->p_regs; 862 fp->sf_eflags |= PSL_IOPL; 863 scp->status |= UNKNOWN_MODE; 864 scp->status |= KBD_RAW_MODE; 865 return 0; 866 } 867 return EAGAIN; 868 869 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 870 fp = (struct syscframe *)p->p_regs; 871 fp->sf_eflags &= ~PSL_IOPL; 872 if (crtc_vga) { 873 load_font(0, 16, font_8x16); 874 load_font(1, 8, font_8x8); 875 load_font(2, 14, font_8x14); 876 load_palette(); 877 } 878 scp->status &= ~UNKNOWN_MODE; 879 set_mode(scp); 880 clear_screen(scp); 881 scp->status &= ~KBD_RAW_MODE; 882 switch_scr(saved_console); 883 saved_console = -1; 884 return 0; 885 886 case CONSOLE_X_BELL: /* more compatibility */ 887 /* 888 * if set, data is a pointer to a length 2 array of 889 * integers. data[0] is the pitch in Hz and data[1] 890 * is the duration in msec. 891 */ 892 if (data) 893 sysbeep(XTALSPEED/((int*)data)[0], ((int*)data)[1]*hz/3000); 894 else 895 sysbeep(0x31b, hz/4); 896 return 0; 897 898 default: 899 break; 900 } 901 902 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 903 if (error >= 0) 904 return(error); 905 error = ttioctl(tp, cmd, data, flag); 906 if (error >= 0) 907 return(error); 908 return(ENOTTY); 909} 910 911 912pcxint(dev_t dev) 913{ 914 pccons[minor(dev)].t_state &= ~TS_BUSY; 915 pcconsoftc.cs_timo = 0; 916 if (pccons[minor(dev)].t_line) 917 (*linesw[pccons[minor(dev)].t_line].l_start) 918 (&pccons[minor(dev)]); 919 else 920 pcstart(&pccons[minor(dev)]); 921} 922 923 924pcstart(struct tty *tp) 925{ 926 int c, s; 927 scr_stat *scp = get_scr_stat(tp->t_dev); 928 929 s = spltty(); 930 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 931 for (;;) { 932 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 933 if (tp->t_state & TS_ASLEEP) { 934 tp->t_state &= ~TS_ASLEEP; 935 wakeup((caddr_t)&tp->t_out); 936 } 937 if (tp->t_wsel) { 938 selwakeup(tp->t_wsel, 939 tp->t_state & TS_WCOLL); 940 tp->t_wsel = 0; 941 tp->t_state &= ~TS_WCOLL; 942 } 943 } 944 if (RB_LEN(&tp->t_out) == 0) 945 break; 946 if (scp->status & SLKED) 947 break; 948 c = getc(&tp->t_out); 949 tp->t_state |= TS_BUSY; 950 splx(s); 951 ansi_put(scp, c); 952 s = spltty(); 953 tp->t_state &= ~TS_BUSY; 954 } 955 splx(s); 956} 957 958 959pccnprobe(struct consdev *cp) 960{ 961 int maj; 962 963 /* locate the major number */ 964 for (maj = 0; maj < nchrdev; maj++) 965 if (cdevsw[maj].d_open == pcopen) 966 break; 967 968 /* initialize required fields */ 969 cp->cn_dev = makedev(maj, 0); 970 cp->cn_tp = &pccons[0]; 971 cp->cn_pri = CN_INTERNAL; 972} 973 974 975pccninit(struct consdev *cp) 976{ 977} 978 979 980pccnputc(dev_t dev, char c) 981{ 982 int pos; 983 984 if (cur_scr_stat->status & UNKNOWN_MODE) 985 return; 986 if (c == '\n') 987 sput('\r'); 988 sput(c); 989 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 990 if (pos != cur_cursor_pos) { 991 cur_cursor_pos = pos; 992 outb(crtc_addr,14); 993 outb(crtc_addr+1,pos >> 8); 994 outb(crtc_addr,15); 995 outb(crtc_addr+1,pos&0xff); 996 } 997} 998 999 1000pccngetc(dev_t dev) 1001{ 1002 int c, s; 1003 1004 s = spltty(); /* block scintr while we poll */ 1005 c = sgetc(0); 1006 splx(s); 1007 if (c == '\r') c = '\n'; 1008 return(c); 1009} 1010 1011#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1012 1013void scrn_saver(int test) 1014{ 1015 u_char val; 1016 1017 if (test) { 1018 scrn_blanked = 1; 1019 outb(TSIDX, 0x01); val = inb(TSREG); 1020 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1021 } 1022 else { 1023 scrn_blanked = 0; 1024 outb(TSIDX, 0x01); val = inb(TSREG); 1025 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1026 } 1027} 1028#endif 1029#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1030 1031static u_long rand_next = 1; 1032 1033static rand() 1034{ 1035 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1036} 1037#endif 1038#ifdef STAR_SAVER 1039/* 1040 * Alternate saver that got its inspiration from a well known utility 1041 * package for an unfamous OS. 1042 */ 1043 1044#define NUM_STARS 50 1045 1046void scrn_saver(int test) 1047{ 1048 scr_stat *scp = cur_scr_stat; 1049 int cell, i; 1050 char pattern[] = {"...........++++*** "}; 1051 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1052 FG_WHITE, FG_LIGHTCYAN}; 1053 static u_short stars[NUM_STARS][2]; 1054 1055 if (test) { 1056 if (!scrn_blanked) { 1057 bcopy(Crtat, scp->scr, 1058 scp->max_posx * scp->max_posy * 2); 1059 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1060 scp->max_posx * scp->max_posy); 1061 set_border(0); 1062 i = scp->max_posy * scp->max_posx + 5; 1063 outb(crtc_addr, 14); 1064 outb(crtc_addr+1, i >> 8); 1065 outb(crtc_addr, 15); 1066 outb(crtc_addr+1, i & 0xff); 1067 scrn_blanked = 1; 1068 for(i=0; i<NUM_STARS; i++) { 1069 stars[i][0] = 1070 rand() % (scp->max_posx*scp->max_posy); 1071 stars[i][1] = 0; 1072 } 1073 } 1074 cell = rand() % NUM_STARS; 1075 *((u_short*)(Crtat + stars[cell][0])) = 1076 scr_map[pattern[stars[cell][1]]] | 1077 colors[rand()%sizeof(colors)] << 8; 1078 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1079 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1080 stars[cell][1] = 0; 1081 } 1082 } 1083 else { 1084 if (scrn_blanked) { 1085 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1086 cur_cursor_pos = -1; 1087 set_border(scp->border); 1088 scrn_blanked = 0; 1089 } 1090 } 1091} 1092#endif 1093#ifdef SNAKE_SAVER 1094/* 1095 * alternative screen saver for cards that do not like blanking 1096 */ 1097 1098void scrn_saver(int test) 1099{ 1100 const char saves[] = {"FreeBSD"}; 1101 static u_char *savs[sizeof(saves)-1]; 1102 static int dirx, diry; 1103 int f; 1104 scr_stat *scp = cur_scr_stat; 1105 1106 if (test) { 1107 if (!scrn_blanked) { 1108 bcopy(Crtat, scp->scr, 1109 scp->max_posx * scp->max_posy * 2); 1110 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1111 scp->max_posx * scp->max_posy); 1112 set_border(0); 1113 dirx = (scp->posx ? 1 : -1); 1114 diry = (scp->posy ? 1115 scp->max_posx : -scp->max_posx); 1116 for (f=0; f< sizeof(saves)-1; f++) 1117 savs[f] = (u_char *)Crtat + 2 * 1118 (scp->posx+scp->posy*scp->max_posx); 1119 *(savs[0]) = scr_map[*saves]; 1120 f = scp->max_posy * scp->max_posx + 5; 1121 outb(crtc_addr, 14); 1122 outb(crtc_addr+1, f >> 8); 1123 outb(crtc_addr, 15); 1124 outb(crtc_addr+1, f & 0xff); 1125 scrn_blanked = 1; 1126 } 1127 if (scrn_blanked++ < 4) 1128 return; 1129 scrn_blanked = 1; 1130 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1131 for (f=sizeof(saves)-2; f > 0; f--) 1132 savs[f] = savs[f-1]; 1133 f = (savs[0] - (u_char *)Crtat) / 2; 1134 if ((f % scp->max_posx) == 0 || 1135 (f % scp->max_posx) == scp->max_posx - 1 || 1136 (rand() % 50) == 0) 1137 dirx = -dirx; 1138 if ((f / scp->max_posx) == 0 || 1139 (f / scp->max_posx) == scp->max_posy - 1 || 1140 (rand() % 20) == 0) 1141 diry = -diry; 1142 savs[0] += 2*dirx + 2*diry; 1143 for (f=sizeof(saves)-2; f>=0; f--) 1144 *(savs[f]) = scr_map[saves[f]]; 1145 } 1146 else { 1147 if (scrn_blanked) { 1148 bcopy(scp->scr, Crtat, 1149 scp->max_posx * scp->max_posy * 2); 1150 cur_cursor_pos = -1; 1151 set_border(scp->border); 1152 scrn_blanked = 0; 1153 } 1154 } 1155} 1156#endif 1157 1158static void cursor_shape(int start, int end) 1159{ 1160 outb(crtc_addr, 10); 1161 outb(crtc_addr+1, start & 0xFF); 1162 outb(crtc_addr, 11); 1163 outb(crtc_addr+1, end & 0xFF); 1164} 1165 1166 1167static void get_cursor_shape(int *start, int *end) 1168{ 1169 outb(crtc_addr, 10); 1170 *start = inb(crtc_addr+1) & 0x1F; 1171 outb(crtc_addr, 11); 1172 *end = inb(crtc_addr+1) & 0x1F; 1173} 1174 1175 1176static void cursor_pos(void) 1177{ 1178 int pos; 1179 1180 if (cur_scr_stat->status & UNKNOWN_MODE) 1181 return; 1182 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1183 scrn_saver(1); 1184 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 1185 if (!scrn_blanked && pos != cur_cursor_pos) { 1186 cur_cursor_pos = pos; 1187 outb(crtc_addr, 14); 1188 outb(crtc_addr+1, pos>>8); 1189 outb(crtc_addr, 15); 1190 outb(crtc_addr+1, pos&0xff); 1191 } 1192 timeout(cursor_pos, 0, hz/20); 1193} 1194 1195 1196static void clear_screen(scr_stat *scp) 1197{ 1198 move_crsr(scp, 0, 0); 1199 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1200 scp->max_posx * scp->max_posy); 1201} 1202 1203 1204static switch_scr(u_int next_scr) 1205{ 1206 if (in_putc) { /* don't switch if in putc */ 1207 nx_scr = next_scr+1; 1208 return 0; 1209 } 1210 if (switch_in_progress && 1211 (cur_scr_stat->proc != pfind(cur_scr_stat->pid))) 1212 switch_in_progress = 0; 1213 if (next_scr >= NCONS || switch_in_progress) { 1214 sysbeep(800, hz/4); 1215 return -1; 1216 } 1217 switch_in_progress = 1; 1218 old_scp = cur_scr_stat; 1219 new_scp = &cons_scr_stat[next_scr]; 1220 wakeup(&new_scp->smode); 1221 if (new_scp == old_scp) { 1222 switch_in_progress = 0; 1223 return 0; 1224 } 1225 new_pccons = &pccons[next_scr]; 1226 1227 /* has controlling process died? */ 1228 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1229 old_scp->smode.mode = VT_AUTO; 1230 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1231 new_scp->smode.mode = VT_AUTO; 1232 1233 /* check the modes and switch approbiatly */ 1234 if (old_scp->smode.mode == VT_PROCESS) { 1235 old_scp->status |= SWITCH_WAIT_REL; 1236 psignal(old_scp->proc, old_scp->smode.relsig); 1237 } 1238 else { 1239 exchange_scr(); 1240 if (new_scp->smode.mode == VT_PROCESS) { 1241 new_scp->status |= SWITCH_WAIT_ACQ; 1242 psignal(new_scp->proc, new_scp->smode.acqsig); 1243 } 1244 else 1245 switch_in_progress = 0; 1246 } 1247 return 0; 1248} 1249 1250 1251static void exchange_scr(void) 1252{ 1253 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1254 old_scp->crt_base = old_scp->scr; 1255 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1256 cur_scr_stat = new_scp; 1257 cur_pccons = new_pccons; 1258 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1259 shfts = ctls = alts = 0; 1260 update_leds(new_scp->status & LED_MASK); 1261 set_mode(new_scp); 1262 new_scp->crt_base = Crtat; 1263 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1264 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1265 nx_scr = 0; 1266} 1267 1268 1269static void move_crsr(scr_stat *scp, int x, int y) 1270{ 1271 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1272 return; 1273 scp->posx = x; 1274 scp->posy = y; 1275 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1276} 1277 1278 1279static void move_up(u_short *s, u_short *d, u_int len) 1280{ 1281 s += len; 1282 d += len; 1283 while (len-- > 0) 1284 *--d = *--s; 1285} 1286 1287 1288static void move_down(u_short *s, u_short *d, u_int len) 1289{ 1290 while (len-- > 0) 1291 *d++ = *s++; 1292} 1293 1294 1295static void scan_esc(scr_stat *scp, u_char c) 1296{ 1297 static u_char ansi_col[16] = 1298 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1299 int i, n; 1300 u_short *src, *dst, count; 1301 1302 if (scp->term.esc == 1) { 1303 switch (c) { 1304 1305 case '[': /* Start ESC [ sequence */ 1306 scp->term.esc = 2; 1307 scp->term.last_par = -1; 1308 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1309 scp->term.par[i] = 1; 1310 scp->term.n_par = 0; 1311 return; 1312 1313 case 'M': /* Move cursor up 1 line, scroll if at top */ 1314 if (scp->posy > 0) 1315 move_crsr(scp, scp->posx, scp->posy - 1); 1316 else { 1317 move_up(scp->crt_base, 1318 scp->crt_base + scp->max_posx, 1319 (scp->max_posy - 1) * scp->max_posx); 1320 fillw(scp->term.attr | scr_map[0x20], 1321 scp->crt_base, scp->max_posx); 1322 } 1323 break; 1324#if notyet 1325 case 'Q': 1326 scp->term.esc = 4; 1327 break; 1328#endif 1329 case 'c': /* Clear screen & home */ 1330 clear_screen(scp); 1331 break; 1332 } 1333 } 1334 else if (scp->term.esc == 2) { 1335 if (c >= '0' && c <= '9') { 1336 if (scp->term.n_par < MAX_ESC_PAR) { 1337 if (scp->term.last_par != scp->term.n_par) { 1338 scp->term.last_par = scp->term.n_par; 1339 scp->term.par[scp->term.n_par] = 0; 1340 } 1341 else 1342 scp->term.par[scp->term.n_par] *= 10; 1343 scp->term.par[scp->term.n_par] += c - '0'; 1344 return; 1345 } 1346 } 1347 scp->term.n_par = scp->term.last_par + 1; 1348 switch (c) { 1349 1350 case ';': 1351 if (scp->term.n_par < MAX_ESC_PAR) 1352 return; 1353 break; 1354 1355 case '=': 1356 scp->term.esc = 3; 1357 scp->term.last_par = -1; 1358 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1359 scp->term.par[i] = 1; 1360 scp->term.n_par = 0; 1361 return; 1362 1363 case 'A': /* up n rows */ 1364 n = scp->term.par[0]; if (n < 1) n = 1; 1365 move_crsr(scp, scp->posx, scp->posy - n); 1366 break; 1367 1368 case 'B': /* down n rows */ 1369 n = scp->term.par[0]; if (n < 1) n = 1; 1370 move_crsr(scp, scp->posx, scp->posy + n); 1371 break; 1372 1373 case 'C': /* right n columns */ 1374 n = scp->term.par[0]; if (n < 1) n = 1; 1375 move_crsr(scp, scp->posx + n, scp->posy); 1376 break; 1377 1378 case 'D': /* left n columns */ 1379 n = scp->term.par[0]; if (n < 1) n = 1; 1380 move_crsr(scp, scp->posx - n, scp->posy); 1381 break; 1382 1383 case 'E': /* cursor to start of line n lines down */ 1384 n = scp->term.par[0]; if (n < 1) n = 1; 1385 move_crsr(scp, 0, scp->posy + n); 1386 break; 1387 1388 case 'F': /* cursor to start of line n lines up */ 1389 n = scp->term.par[0]; if (n < 1) n = 1; 1390 move_crsr(scp, 0, scp->posy - n); 1391 break; 1392 1393 case 'f': /* System V consoles .. */ 1394 case 'H': /* Cursor move */ 1395 if (scp->term.n_par == 0) 1396 move_crsr(scp, 0, 0); 1397 else if (scp->term.n_par == 2) 1398 move_crsr(scp, scp->term.par[1] - 1, 1399 scp->term.par[0] - 1); 1400 break; 1401 1402 case 'J': /* Clear all or part of display */ 1403 if (scp->term.n_par == 0) 1404 n = 0; 1405 else 1406 n = scp->term.par[0]; 1407 switch (n) { 1408 case 0: /* clear form cursor to end of display */ 1409 fillw(scp->term.attr | scr_map[0x20], 1410 scp->crtat, scp->crt_base + 1411 scp->max_posx * scp->max_posy - 1412 scp->crtat); 1413 break; 1414 case 1: /* clear from beginning of display to cursor */ 1415 fillw(scp->term.attr | scr_map[0x20], 1416 scp->crt_base, 1417 scp->crtat - scp->crt_base); 1418 break; 1419 case 2: /* clear entire display */ 1420 clear_screen(scp); 1421 break; 1422 } 1423 break; 1424 1425 case 'K': /* Clear all or part of line */ 1426 if (scp->term.n_par == 0) 1427 n = 0; 1428 else 1429 n = scp->term.par[0]; 1430 switch (n) { 1431 case 0: /* clear form cursor to end of line */ 1432 fillw(scp->term.attr | scr_map[0x20], 1433 scp->crtat, scp->max_posx - scp->posx); 1434 break; 1435 case 1: /* clear from beginning of line to cursor */ 1436 fillw(scp->term.attr|scr_map[0x20], 1437 scp->crtat - (scp->max_posx - scp->posx), 1438 (scp->max_posx - scp->posx) + 1); 1439 break; 1440 case 2: /* clear entire line */ 1441 fillw(scp->term.attr|scr_map[0x20], 1442 scp->crtat - (scp->max_posx - scp->posx), 1443 scp->max_posx); 1444 break; 1445 } 1446 break; 1447 1448 case 'L': /* Insert n lines */ 1449 n = scp->term.par[0]; if (n < 1) n = 1; 1450 if (n > scp->max_posy - scp->posy) 1451 n = scp->max_posy - scp->posy; 1452 src = scp->crt_base + scp->posy * scp->max_posx; 1453 dst = src + n * scp->max_posx; 1454 count = scp->max_posy - (scp->posy + n); 1455 move_up(src, dst, count * scp->max_posx); 1456 fillw(scp->term.attr | scr_map[0x20], src, 1457 n * scp->max_posx); 1458 break; 1459 1460 case 'M': /* Delete n lines */ 1461 n = scp->term.par[0]; if (n < 1) n = 1; 1462 if (n > scp->max_posy - scp->posy) 1463 n = scp->max_posy - scp->posy; 1464 dst = scp->crt_base + scp->posy * scp->max_posx; 1465 src = dst + n * scp->max_posx; 1466 count = scp->max_posy - (scp->posy + n); 1467 move_down(src, dst, count * scp->max_posx); 1468 src = dst + count * scp->max_posx; 1469 fillw(scp->term.attr | scr_map[0x20], src, 1470 n * scp->max_posx); 1471 break; 1472 1473 case 'P': /* Delete n chars */ 1474 n = scp->term.par[0]; if (n < 1) n = 1; 1475 if (n > scp->max_posx - scp->posx) 1476 n = scp->max_posx - scp->posx; 1477 dst = scp->crtat; 1478 src = dst + n; 1479 count = scp->max_posx - (scp->posx + n); 1480 move_down(src, dst, count); 1481 src = dst + count; 1482 fillw(scp->term.attr | scr_map[0x20], src, n); 1483 break; 1484 1485 case '@': /* Insert n chars */ 1486 n = scp->term.par[0]; if (n < 1) n = 1; 1487 if (n > scp->max_posx - scp->posx) 1488 n = scp->max_posx - scp->posx; 1489 src = scp->crtat; 1490 dst = src + n; 1491 count = scp->max_posx - (scp->posx + n); 1492 move_up(src, dst, count); 1493 fillw(scp->term.attr | scr_map[0x20], src, n); 1494 break; 1495 1496 case 'S': /* scroll up n lines */ 1497 n = scp->term.par[0]; if (n < 1) n = 1; 1498 bcopy(scp->crt_base + (scp->max_posx * n), 1499 scp->crt_base, 1500 scp->max_posx * (scp->max_posy - n) * 1501 sizeof(u_short)); 1502 fillw(scp->term.attr | scr_map[0x20], 1503 scp->crt_base + scp->max_posx * 1504 (scp->max_posy - 1), 1505 scp->max_posx); 1506 break; 1507 1508 case 'T': /* scroll down n lines */ 1509 n = scp->term.par[0]; if (n < 1) n = 1; 1510 bcopy(scp->crt_base, 1511 scp->crt_base + (scp->max_posx * n), 1512 scp->max_posx * (scp->max_posy - n) * 1513 sizeof(u_short)); 1514 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1515 scp->max_posx); 1516 break; 1517 1518 case 'X': /* delete n characters in line */ 1519 n = scp->term.par[0]; if (n < 1) n = 1; 1520 fillw(scp->term.attr | scr_map[0x20], 1521 scp->crt_base + scp->posx + 1522 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1523 break; 1524 1525 case 'Z': /* move n tabs backwards */ 1526 n = scp->term.par[0]; if (n < 1) n = 1; 1527 if ((i = scp->posx & 0xf8) == scp->posx) 1528 i -= 8*n; 1529 else 1530 i -= 8*(n-1); 1531 if (i < 0) 1532 i = 0; 1533 move_crsr(scp, i, scp->posy); 1534 break; 1535 1536 case '`': /* move cursor to column n */ 1537 n = scp->term.par[0]; if (n < 1) n = 1; 1538 move_crsr(scp, n, scp->posy); 1539 break; 1540 1541 case 'a': /* move cursor n columns to the right */ 1542 n = scp->term.par[0]; if (n < 1) n = 1; 1543 move_crsr(scp, scp->posx + n, scp->posy); 1544 break; 1545 1546 case 'd': /* move cursor to row n */ 1547 n = scp->term.par[0]; if (n < 1) n = 1; 1548 move_crsr(scp, scp->posx, n); 1549 break; 1550 1551 case 'e': /* move cursor n rows down */ 1552 n = scp->term.par[0]; if (n < 1) n = 1; 1553 move_crsr(scp, scp->posx, scp->posy + n); 1554 break; 1555 1556 case 'm': /* change attribute */ 1557 if (scp->term.n_par == 0) 1558 n = 0; 1559 else 1560 n = scp->term.par[0]; 1561 switch (n) { 1562 case 0: /* back to normal */ 1563 scp->term.attr = scp->term.std_attr; 1564 break; 1565 case 1: /* highlight (bold) */ 1566 scp->term.attr &= 0xFF00; 1567 scp->term.attr |= 0x0800; 1568 break; 1569 case 4: /* highlight (underline) */ 1570 scp->term.attr &= 0x0F00; 1571 scp->term.attr |= 0x0800; 1572 break; 1573 case 5: /* blink */ 1574 scp->term.attr &= 0xFF00; 1575 scp->term.attr |= 0x8000; 1576 break; 1577 case 7: /* reverse video */ 1578 scp->term.attr = scp->term.rev_attr; 1579 break; 1580 case 30: case 31: case 32: case 33: /* set fg color */ 1581 case 34: case 35: case 36: case 37: 1582 scp->term.attr = (scp->term.attr & 0xF0FF) 1583 | (ansi_col[(n - 30) & 7] << 8); 1584 break; 1585 case 40: case 41: case 42: case 43: /* set bg color */ 1586 case 44: case 45: case 46: case 47: 1587 scp->term.attr = (scp->term.attr & 0x0FFF) 1588 | (ansi_col[(n - 40) & 7] << 12); 1589 break; 1590 } 1591 break; 1592 1593 case 'x': 1594 if (scp->term.n_par == 0) 1595 n = 0; 1596 else 1597 n = scp->term.par[0]; 1598 switch (n) { 1599 case 0: /* reset attributes */ 1600 scp->term.attr = scp->term.std_attr = 1601 current_default->std_attr; 1602 scp->term.rev_attr = current_default->rev_attr; 1603 break; 1604 case 1: /* set ansi background */ 1605 scp->term.attr = scp->term.std_attr = 1606 (scp->term.std_attr & 0x0F00) | 1607 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1608 break; 1609 case 2: /* set ansi foreground */ 1610 scp->term.attr = scp->term.std_attr = 1611 (scp->term.std_attr & 0xF000) | 1612 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1613 break; 1614 case 3: /* set ansi attribute directly */ 1615 scp->term.attr = scp->term.std_attr = 1616 (scp->term.par[1]&0xFF)<<8; 1617 break; 1618 case 5: /* set ansi reverse video background */ 1619 scp->term.rev_attr = 1620 (scp->term.rev_attr & 0x0F00) | 1621 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1622 break; 1623 case 6: /* set ansi reverse video foreground */ 1624 scp->term.rev_attr = 1625 (scp->term.rev_attr & 0xF000) | 1626 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1627 break; 1628 case 7: /* set ansi reverse video directly */ 1629 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1630 break; 1631 } 1632 break; 1633 1634 case 'z': /* switch to (virtual) console n */ 1635 if (scp->term.n_par == 1) 1636 switch_scr(scp->term.par[0]); 1637 break; 1638 } 1639 } 1640 else if (scp->term.esc == 3) { 1641 if (c >= '0' && c <= '9') { 1642 if (scp->term.n_par < MAX_ESC_PAR) { 1643 if (scp->term.last_par != scp->term.n_par) { 1644 scp->term.last_par = scp->term.n_par; 1645 scp->term.par[scp->term.n_par] = 0; 1646 } 1647 else 1648 scp->term.par[scp->term.n_par] *= 10; 1649 scp->term.par[scp->term.n_par] += c - '0'; 1650 return; 1651 } 1652 } 1653 scp->term.n_par = scp->term.last_par + 1; 1654 switch (c) { 1655 1656 case ';': 1657 if (scp->term.n_par < MAX_ESC_PAR) 1658 return; 1659 break; 1660 1661 case 'A': /* set display border color */ 1662 if (scp->term.n_par == 1) 1663 scp->border=scp->term.par[0] & 0xff; 1664 if (scp == cur_scr_stat) 1665 set_border(scp->border); 1666 break; 1667 1668 case 'B': /* set bell pitch and duration */ 1669 if (scp->term.n_par == 2) { 1670 scp->bell_pitch = scp->term.par[0]; 1671 scp->bell_duration = scp->term.par[1]*10; 1672 } 1673 break; 1674 1675 case 'C': /* set cursor shape (start & end line) */ 1676 if (scp->term.n_par == 2) { 1677 scp->cursor_start = scp->term.par[0] & 0x1F; 1678 scp->cursor_end = scp->term.par[1] & 0x1F; 1679 if (scp == cur_scr_stat) 1680 cursor_shape(scp->cursor_start, 1681 scp->cursor_end); 1682 } 1683 break; 1684 1685 case 'F': /* set ansi foreground */ 1686 if (scp->term.n_par == 1) 1687 scp->term.attr = scp->term.std_attr = 1688 (scp->term.std_attr & 0xF000) 1689 | ((scp->term.par[0] & 0x0F) << 8); 1690 break; 1691 1692 case 'G': /* set ansi background */ 1693 if (scp->term.n_par == 1) 1694 scp->term.attr = scp->term.std_attr = 1695 (scp->term.std_attr & 0x0F00) 1696 | ((scp->term.par[0] & 0x0F) << 12); 1697 break; 1698 1699 case 'H': /* set ansi reverse video foreground */ 1700 if (scp->term.n_par == 1) 1701 scp->term.rev_attr = 1702 (scp->term.rev_attr & 0xF000) 1703 | ((scp->term.par[0] & 0x0F) << 8); 1704 break; 1705 1706 case 'I': /* set ansi reverse video background */ 1707 if (scp->term.n_par == 1) 1708 scp->term.rev_attr = 1709 (scp->term.rev_attr & 0x0F00) 1710 | ((scp->term.par[0] & 0x0F) << 12); 1711 break; 1712 } 1713 } 1714 scp->term.esc = 0; 1715} 1716 1717 1718static void ansi_put(scr_stat *scp, u_char c) 1719{ 1720 if (scp->status & UNKNOWN_MODE) 1721 return; 1722 1723 /* make screensaver happy */ 1724 if (scp == cur_scr_stat) { 1725 scrn_time_stamp = time.tv_sec; 1726 if (scrn_blanked) 1727 scrn_saver(0); 1728 } 1729 in_putc++; 1730 if (scp->term.esc) 1731 scan_esc(scp, c); 1732 else switch(c) { 1733 case 0x1B: /* start escape sequence */ 1734 scp->term.esc = 1; 1735 scp->term.n_par = 0; 1736 break; 1737 case 0x07: 1738 if (scp == cur_scr_stat) 1739 sysbeep(scp->bell_pitch, scp->bell_duration); 1740 break; 1741 case '\t': /* non-destructive tab */ 1742 scp->crtat += (8 - scp->posx % 8); 1743 scp->posx += (8 - scp->posx % 8); 1744 break; 1745 case '\b': /* non-destructive backspace */ 1746 if (scp->crtat > scp->crt_base) { 1747 scp->crtat--; 1748 if (scp->posx > 0) 1749 scp->posx--; 1750 else { 1751 scp->posx += scp->max_posx - 1; 1752 scp->posy--; 1753 } 1754 } 1755 break; 1756 case '\r': /* return to pos 0 */ 1757 move_crsr(scp, 0, scp->posy); 1758 break; 1759 case '\n': /* newline, same pos */ 1760 scp->crtat += scp->max_posx; 1761 scp->posy++; 1762 break; 1763 case '\f': /* form feed, clears screen */ 1764 clear_screen(scp); 1765 break; 1766 default: 1767 /* Print only printables */ 1768 *scp->crtat = (scp->term.attr | scr_map[c]); 1769 scp->crtat++; 1770 if (++scp->posx >= scp->max_posx) { 1771 scp->posx = 0; 1772 scp->posy++; 1773 } 1774 break; 1775 } 1776 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1777 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1778 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1779 fillw(scp->term.attr | scr_map[0x20], 1780 scp->crt_base + scp->max_posx * (scp->max_posy - 1), 1781 scp->max_posx); 1782 scp->crtat -= scp->max_posx; 1783 scp->posy--; 1784 } 1785 in_putc--; 1786 if (nx_scr) 1787 switch_scr(nx_scr - 1); 1788} 1789 1790 1791void consinit(void) 1792{ 1793 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1794 unsigned cursorat; 1795 int i; 1796 1797 /* 1798 * catch that once in a blue moon occurence when consinit is called 1799 * TWICE, adding the CGA_BUF offset again -> poooff 1800 */ 1801 if (crtat != 0) 1802 return; 1803 /* 1804 * Crtat initialized to point to MONO buffer, if not present change 1805 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1806 * in the remapped offset at the right time 1807 */ 1808 was = *cp; 1809 *cp = (u_short) 0xA55A; 1810 if (*cp != 0xA55A) { 1811 crtc_addr = MONO_BASE; 1812 } else { 1813 *cp = was; 1814 crtc_addr = COLOR_BASE; 1815 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1816 } 1817 1818 /* Extract cursor location */ 1819 outb(crtc_addr,14); 1820 cursorat = inb(crtc_addr+1)<<8 ; 1821 outb(crtc_addr,15); 1822 cursorat |= inb(crtc_addr+1); 1823 crtat = Crtat + cursorat; 1824 1825 /* is this a VGA or higher ? */ 1826 outb(crtc_addr, 7); 1827 if (inb(crtc_addr) == 7) 1828 crtc_vga = 1; 1829 1830 current_default = &user_default; 1831 cons_scr_stat[0].crtat = crtat; 1832 cons_scr_stat[0].crt_base = Crtat; 1833 cons_scr_stat[0].term.esc = 0; 1834 cons_scr_stat[0].term.std_attr = current_default->std_attr; 1835 cons_scr_stat[0].term.rev_attr = current_default->rev_attr; 1836 cons_scr_stat[0].term.attr = current_default->std_attr; 1837 cons_scr_stat[0].posx = cursorat % COL; 1838 cons_scr_stat[0].posy = cursorat / COL; 1839 cons_scr_stat[0].border = BG_BLACK;; 1840 cons_scr_stat[0].max_posx = COL; 1841 cons_scr_stat[0].max_posy = ROW; 1842 cons_scr_stat[0].status = 0; 1843 cons_scr_stat[0].pid = 0; 1844 cons_scr_stat[0].proc = NULL; 1845 cons_scr_stat[0].smode.mode = VT_AUTO; 1846 cons_scr_stat[0].bell_pitch = 800; 1847 cons_scr_stat[0].bell_duration = 10; 1848 kernel_console.esc = 0; 1849 kernel_console.std_attr = kernel_default.std_attr; 1850 kernel_console.rev_attr = kernel_default.rev_attr; 1851 kernel_console.attr = kernel_default.std_attr; 1852 /* initialize mapscrn array to */ 1853 for (i=0; i<sizeof(scr_map); i++) 1854 scr_map[i] = i; 1855 clear_screen(&cons_scr_stat[0]); 1856} 1857 1858 1859static void sput(u_char c) 1860{ 1861 scr_stat *scp = &cons_scr_stat[0]; 1862 term_stat save; 1863 1864 if (crtat == 0) 1865 consinit(); 1866 save = scp->term; 1867 scp->term = kernel_console; 1868 current_default = &kernel_default; 1869 ansi_put(scp, c); 1870 kernel_console = scp->term; 1871 current_default = &user_default; 1872 scp->term = save; 1873} 1874 1875 1876static u_char *get_fstr(u_int c, u_int *len) 1877{ 1878 u_int i; 1879 1880 if (!(c & FKEY)) 1881 return(NULL); 1882 i = (c & 0xFF) - F_FN; 1883 if (i > n_fkey_tab) 1884 return(NULL); 1885 *len = fkey_tab[i].len; 1886 return(fkey_tab[i].str); 1887} 1888 1889 1890static update_leds(int which) 1891{ 1892 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 1893 1894 kbd_cmd(KB_SETLEDS); /* LED Command */ 1895 kbd_cmd(xlate_leds[which & LED_MASK]); 1896 kbd_wait(); 1897} 1898 1899 1900volatile void reset_cpu(void) 1901{ 1902 while (1) { 1903 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 1904 DELAY(4000000); 1905 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 1906 } 1907} 1908 1909 1910/* 1911 * sgetc(noblock) : get a character from the keyboard. 1912 * If noblock = 0 wait until a key is gotten. Otherwise return a 0x100. 1913 */ 1914u_int sgetc(int noblock) 1915{ 1916 u_char val, code, release; 1917 u_int state, action; 1918 struct key_t *key; 1919 static u_char esc_flag = 0, compose = 0; 1920 static u_int chr = 0; 1921 1922next_code: 1923 kbd_wait(); 1924 /* First see if there is something in the keyboard port */ 1925 if (inb(KB_STAT) & KB_BUF_FULL) 1926 val = inb(KB_DATA); 1927 else if (noblock) 1928 return(0x100); 1929 else 1930 goto next_code; 1931 1932 if (cur_scr_stat->status & KBD_RAW_MODE) 1933 return val; 1934 1935 code = val & 0x7F; 1936 release = val & 0x80; 1937 1938 /* Check for cntl-alt-del */ 1939 if ((code == 83) && ctls && alts) 1940 cpu_reset(); 1941#if NDDB > 0 1942 /* Check for cntl-alt-esc */ 1943 if ((val == 1) && ctls && alts) { 1944 /* if debugger called, try to switch to console 0 */ 1945 if (cur_scr_stat->smode.mode == VT_AUTO && 1946 cons_scr_stat[0].smode.mode == VT_AUTO) 1947 switch_scr(0); 1948 Debugger(); 1949 return(0x100); 1950 } 1951#endif 1952 switch (esc_flag) { 1953 case 0x00: /* normal scancode */ 1954 switch(code) { 1955 case 0x38: /* left alt (compose key) */ 1956 if (release && compose) { 1957 compose = 0; 1958 if (chr > 255) { 1959 sysbeep(500, hz/4); 1960 chr = 0; 1961 } 1962 } 1963 else { 1964 if (!compose) { 1965 compose = 1; 1966 chr = 0; 1967 } 1968 } 1969 break; 1970 case 0x60: 1971 case 0x61: 1972 esc_flag = code; 1973 goto next_code; 1974 } 1975 break; 1976 case 0x60: /* 0xE0 prefix */ 1977 esc_flag = 0; 1978 switch (code) { 1979 case 0x1c: /* right enter key */ 1980 code = 0x59; 1981 break; 1982 case 0x1d: /* right ctrl key */ 1983 code = 0x5a; 1984 break; 1985 case 0x35: /* keypad divide key */ 1986 code = 0x5b; 1987 break; 1988 case 0x37: /* print scrn key */ 1989 code = 0x5c; 1990 break; 1991 case 0x38: /* right alt key (alt gr) */ 1992 code = 0x5d; 1993 break; 1994 case 0x47: /* grey home key */ 1995 code = 0x5e; 1996 break; 1997 case 0x48: /* grey up arrow key */ 1998 code = 0x5f; 1999 break; 2000 case 0x49: /* grey page up key */ 2001 code = 0x60; 2002 break; 2003 case 0x4b: /* grey left arrow key */ 2004 code = 0x61; 2005 break; 2006 case 0x4d: /* grey right arrow key */ 2007 code = 0x62; 2008 break; 2009 case 0x4f: /* grey end key */ 2010 code = 0x63; 2011 break; 2012 case 0x50: /* grey down arrow key */ 2013 code = 0x64; 2014 break; 2015 case 0x51: /* grey page down key */ 2016 code = 0x65; 2017 break; 2018 case 0x52: /* grey insert key */ 2019 code = 0x66; 2020 break; 2021 case 0x53: /* grey delete key */ 2022 code = 0x67; 2023 break; 2024 default: /* ignore everything else */ 2025 goto next_code; 2026 } 2027 break; 2028 case 0x61: /* 0xE1 prefix */ 2029 esc_flag = 0; 2030 if (code == 0x1D) 2031 esc_flag = 0x1D; 2032 goto next_code; 2033 /* NOT REACHED */ 2034 case 0x1D: /* pause / break */ 2035 esc_flag = 0; 2036 if (code != 0x45) 2037 goto next_code; 2038 code = 0x68; 2039 break; 2040 } 2041 2042 if (compose) { 2043 switch (code) { 2044 case 0x47: 2045 case 0x48: /* keypad 7,8,9 */ 2046 case 0x49: 2047 if (!release) 2048 chr = (code - 0x40) + chr*10; 2049 goto next_code; 2050 case 0x4b: 2051 case 0x4c: /* keypad 4,5,6 */ 2052 case 0x4d: 2053 if (!release) 2054 chr = (code - 0x47) + chr*10; 2055 goto next_code; 2056 case 0x4f: 2057 case 0x50: /* keypad 1,2,3 */ 2058 case 0x51: 2059 if (!release) 2060 chr = (code - 0x4e) + chr*10; 2061 goto next_code; 2062 case 0x52: /* keypad 0 */ 2063 if (!release) 2064 chr *= 10; 2065 goto next_code; 2066 case 0x38: /* left alt key */ 2067 break; 2068 default: 2069 if (chr) { 2070 compose = chr = 0; 2071 sysbeep(500, hz/4); 2072 goto next_code; 2073 } 2074 break; 2075 } 2076 } 2077 2078 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2079 if ((!agrs && (cur_scr_stat->status & ALKED)) 2080 || (agrs && !(cur_scr_stat->status & ALKED))) 2081 code += ALTGR_OFFSET; 2082 key = &key_map.key[code]; 2083 if ( ((key->flgs & FLAG_LOCK_C) && (cur_scr_stat->status & CLKED)) 2084 || ((key->flgs & FLAG_LOCK_N) && (cur_scr_stat->status & NLKED)) ) 2085 state ^= 1; 2086 2087 /* Check for make/break */ 2088 action = key->map[state]; 2089 if (release) { /* key released */ 2090 if (key->spcl & 0x80) { 2091 switch (action) { 2092 case LSH: 2093 shfts &= ~1; 2094 break; 2095 case RSH: 2096 shfts &= ~2; 2097 break; 2098 case LCTR: 2099 ctls &= ~1; 2100 break; 2101 case RCTR: 2102 ctls &= ~2; 2103 break; 2104 case LALT: 2105 alts &= ~1; 2106 break; 2107 case RALT: 2108 alts &= ~2; 2109 break; 2110 case NLK: 2111 nlkcnt = 0; 2112 break; 2113 case CLK: 2114 clkcnt = 0; 2115 break; 2116 case SLK: 2117 slkcnt = 0; 2118 break; 2119 case ASH: 2120 agrs = 0; 2121 break; 2122 } 2123 } 2124 if (chr && !compose) { 2125 action = chr; 2126 chr = 0; 2127 return (action); 2128 } 2129 } else { 2130 /* key pressed */ 2131 if (key->spcl & (0x80>>state)) { 2132 switch (action) { 2133 /* LOCKING KEYS */ 2134 case NLK: 2135 if (!nlkcnt) { 2136 nlkcnt++; 2137 if (cur_scr_stat->status & NLKED) 2138 cur_scr_stat->status &= ~NLKED; 2139 else 2140 cur_scr_stat->status |= NLKED; 2141 update_leds(cur_scr_stat->status & LED_MASK); 2142 } 2143 break; 2144 case CLK: 2145 if (!clkcnt) { 2146 clkcnt++; 2147 if (cur_scr_stat->status & CLKED) 2148 cur_scr_stat->status &= ~CLKED; 2149 else 2150 cur_scr_stat->status |= CLKED; 2151 update_leds(cur_scr_stat->status & LED_MASK); 2152 } 2153 break; 2154 case SLK: 2155 if (!slkcnt) { 2156 slkcnt++; 2157 if (cur_scr_stat->status & SLKED) { 2158 cur_scr_stat->status &= ~SLKED; 2159 pcstart(&pccons[get_scr_num(cur_scr_stat)]); 2160 } 2161 else 2162 cur_scr_stat->status |= SLKED; 2163 update_leds(cur_scr_stat->status & LED_MASK); 2164 } 2165 break; 2166 case ALK: 2167 if (!alkcnt) { 2168 alkcnt++; 2169 if (cur_scr_stat->status & ALKED) 2170 cur_scr_stat->status &= ~ALKED; 2171 else 2172 cur_scr_stat->status |= ALKED; 2173 } 2174 break; 2175 2176 /* NON-LOCKING KEYS */ 2177 case LSH: 2178 shfts |= 1; 2179 break; 2180 case RSH: 2181 shfts |= 2; 2182 break; 2183 case LCTR: 2184 ctls |= 1; 2185 break; 2186 case RCTR: 2187 ctls |= 2; 2188 break; 2189 case LALT: 2190 alts |= 1; 2191 break; 2192 case RALT: 2193 alts |= 2; 2194 break; 2195 case ASH: 2196 agrs = 1; 2197 break; 2198 case NOP: 2199 break; 2200 default: 2201 if (action >= F_SCR && action <= L_SCR) { 2202 switch_scr(action - F_SCR); 2203 break; 2204 } 2205 if (action >= F_FN && action <= L_FN) { 2206 return(action | FKEY); 2207 } 2208 return(action); 2209 } 2210 } 2211 else return(action); 2212 } 2213 goto next_code; 2214} 2215 2216/* July '93, jkh. Added in for init_main.c */ 2217void cons_highlight() 2218{ 2219 cons_scr_stat[0].term.attr &= 0xFF00; 2220 cons_scr_stat[0].term.attr |= 0x0800; 2221} 2222 2223void cons_normal() 2224{ 2225 cons_scr_stat[0].term.attr = cons_scr_stat[0].term.std_attr; 2226} 2227 2228int getchar(void) 2229{ 2230 char thechar; 2231 int s; 2232 2233 pcconsoftc.cs_flags |= CSF_POLLING; 2234 s = splhigh(); 2235 sput('>'); 2236 thechar = (char) sgetc(0); 2237 pcconsoftc.cs_flags &= ~CSF_POLLING; 2238 splx(s); 2239 switch (thechar) { 2240 default: 2241 if (thechar >= scr_map[0x20]) 2242 sput(thechar); 2243 return(thechar); 2244 case cr: 2245 case lf: 2246 sput(cr); sput(lf); 2247 return(lf); 2248 case bs: 2249 case del: 2250 sput(bs); sput(scr_map[0x20]); sput(bs); 2251 return(thechar); 2252 case cntld: 2253 sput('^'); sput('D'); sput('\r'); sput('\n'); 2254 return(0); 2255 } 2256} 2257 2258 2259int pcmmap(dev_t dev, int offset, int nprot) 2260{ 2261 if (offset > 0x20000) 2262 return EINVAL; 2263 return i386_btop((VIDEOMEM + offset)); 2264} 2265 2266 2267static void kbd_wait(void) 2268{ 2269 int i; 2270 for (i=0; i<10000; i++) 2271 if ((inb(KB_STAT) & KB_READY) == 0) 2272 break; 2273} 2274 2275 2276static void kbd_cmd(u_char command) 2277{ 2278 kbd_wait(); 2279 outb(KB_DATA, command); 2280} 2281 2282 2283static void set_mode(scr_stat *scp) 2284{ 2285 u_char byte; 2286 int s; 2287 2288 if (scp != cur_scr_stat) 2289 return; 2290 2291 /* (re)activate cursor */ 2292 untimeout(cursor_pos, 0); 2293 cursor_pos(); 2294 2295 /* change cursor type if set */ 2296 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2297 cursor_shape(scp->cursor_start, scp->cursor_end); 2298 2299 /* mode change only on VGA's */ 2300 if (!crtc_vga) 2301 return; 2302 2303 /* setup video hardware for the given mode */ 2304 s = splhigh(); 2305 switch(scp->mode) { 2306 case TEXT80x25: 2307 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2308 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2309 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2310 break; 2311 case TEXT80x50: 2312 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2313 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2314 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2315 break; 2316 default: 2317 return; 2318 } 2319 splx(s); 2320 2321 /* set border color for this (virtual) console */ 2322 set_border(scp->border); 2323 return; 2324} 2325 2326 2327static void set_border(int color) 2328{ 2329 inb(crtc_addr+6); /* reset flip-flop */ 2330 outb(ATC, 0x11); outb(ATC, color); 2331 inb(crtc_addr+6); /* reset flip-flop */ 2332 outb(ATC, 0x20); /* enable Palette */ 2333} 2334 2335static load_font(int segment, int size, char* font) 2336{ 2337 int ch, line, s; 2338 u_char val; 2339 2340 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2341 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2342 2343 /* setup vga for loading fonts (graphics plane mode) */ 2344 s = splhigh(); 2345 inb(crtc_addr+6); /* reset flip/flop */ 2346 outb(ATC, 0x30); outb(ATC, 0x01); 2347 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2348 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2349 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2350 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2351 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2352 splx(s); 2353 for (ch=0; ch < 256; ch++) 2354 for (line=0; line < size; line++) 2355 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2356 font[(ch*size)+line]; 2357 /* setup vga for text mode again */ 2358 s = splhigh(); 2359 inb(crtc_addr+6); /* reset flip/flop */ 2360 outb(ATC, 0x30); outb(ATC, 0x0C); 2361 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2362 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2363 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2364 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2365 if (crtc_addr == MONO_BASE) { 2366 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2367 } 2368 else { 2369 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2370 } 2371 splx(s); 2372 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2373 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2374} 2375 2376 2377static void load_palette(void) 2378{ 2379 int i; 2380 2381 outb(PIXMASK, 0xFF); /* no pixelmask */ 2382 outb(PALWADR, 0x00); 2383 for (i=0x00; i<0x300; i++) 2384 outb(PALDATA, palette[i]); 2385 inb(crtc_addr+6); /* reset flip/flop */ 2386 outb(ATC, 0x20); /* enable palette */ 2387} 2388 2389static void save_palette(void) 2390{ 2391 int i; 2392 2393 outb(PALRADR, 0x00); 2394 for (i=0x00; i<0x300; i++) 2395 palette[i] = inb(PALDATA); 2396 inb(crtc_addr+6); /* reset flip/flop */ 2397} 2398 2399 2400static change_winsize(struct tty *tp, int x, int y) 2401{ 2402 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2403 tp->t_winsize.ws_col = x; 2404 tp->t_winsize.ws_row = y; 2405 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2406 } 2407} 2408 2409#endif /* NSC */ 2410