syscons.c revision 583
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 /* This breaks on some CGA displays */ 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 "machine/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 (KERNBASE + 0xB0000) 91#define CGA_BUF (KERNBASE + 0xB8000) 92#define VGA_BUF (KERNBASE + 0xA0000) 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_GETACTIVE: /* return number of active virtual console */ 627 *data = get_scr_num(scp) + 1; 628 return 0; 629 630 case VT_ACTIVATE: /* switch to screen *data */ 631 return switch_scr((*data) - 1); 632 633 case VT_WAITACTIVE: /* wait for switch to occur */ 634 if (*data > NCONS) 635 return EINVAL; 636 if (minor(dev) == (*data) - 1) 637 return 0; 638 if (*data == 0) { 639 if (scp == cur_scr_stat) 640 return 0; 641 while ((error=tsleep(&scp->smode, 642 PZERO|PCATCH, "waitvt", 0)) 643 == ERESTART) ; 644 } 645 else 646 while ((error=tsleep(&cons_scr_stat[*data].smode, 647 PZERO|PCATCH, "waitvt", 0)) 648 == ERESTART) ; 649 return error; 650 651 case KDENABIO: /* allow io operations */ 652 fp = (struct syscframe *)p->p_regs; 653 fp->sf_eflags |= PSL_IOPL; 654 return 0; 655 656 case KDDISABIO: /* disallow io operations (default) */ 657 fp = (struct syscframe *)p->p_regs; 658 fp->sf_eflags &= ~PSL_IOPL; 659 return 0; 660 661 case KDSETMODE: /* set current mode of this (virtual) console */ 662 switch (*data) { 663 case KD_TEXT: /* switch to TEXT (known) mode */ 664 /* restore fonts & palette ! */ 665 if (crtc_vga) { 666 load_font(0, 16, font_8x16); 667 load_font(1, 8, font_8x8); 668 load_font(2, 14, font_8x14); 669 load_palette(); 670 } 671 /* FALL THROUGH */ 672 673 case KD_TEXT1: /* switch to TEXT (known) mode */ 674 /* no restore fonts & palette */ 675 scp->status &= ~UNKNOWN_MODE; 676 set_mode(scp); 677 clear_screen(scp); 678 return 0; 679 680 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 681 scp->status |= UNKNOWN_MODE; 682 return 0; 683 default: 684 return EINVAL; 685 } 686 /* NOT REACHED */ 687 688 case KDGETMODE: /* get current mode of this (virtual) console */ 689 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 690 return 0; 691 692 case KDSBORDER: /* set border color of this (virtual) console */ 693 if (!crtc_vga) 694 return ENXIO; 695 scp->border = *data; 696 if (scp == cur_scr_stat) 697 set_border(scp->border); 698 return 0; 699 700 case KDSKBSTATE: /* set keyboard state (locks) */ 701 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 702 scp->status &= ~LOCK_KEY_MASK; 703 scp->status |= *data; 704 if (scp == cur_scr_stat) 705 update_leds(scp->status & LED_MASK); 706 return 0; 707 } 708 return EINVAL; 709 710 case KDGKBSTATE: /* get keyboard state (locks) */ 711 *data = scp->status & LOCK_KEY_MASK; 712 return 0; 713 714 case KDSETRAD: /* set keyboard repeat & delay rates */ 715 if (*(u_char*)data < 0x80) { 716 kbd_cmd(KB_SETRAD); 717 kbd_cmd(*data & 0x7f); 718 return 0; 719 } 720 return EINVAL; 721 722 case KDSKBMODE: /* set keyboard mode */ 723 switch (*data) { 724 case K_RAW: /* switch to RAW scancode mode */ 725 scp->status |= KBD_RAW_MODE; 726 return 0; 727 728 case K_XLATE: /* switch to XLT ascii mode */ 729 scp->status &= ~KBD_RAW_MODE; 730 return 0; 731 default: 732 return EINVAL; 733 } 734 /* NOT REACHED */ 735 736 case KDGKBMODE: /* get keyboard mode */ 737 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 738 return 0; 739 740 case KDMKTONE: /* sound the bell */ 741 if (scp == cur_scr_stat) 742 sysbeep(scp->bell_pitch, scp->bell_duration); 743 return 0; 744 745 case KIOCSOUND: /* make tone (*data) hz */ 746 if (scp == cur_scr_stat) { 747 if (*(int*)data) { 748 int pitch = XTALSPEED/(*(int*)data); 749 /* enable counter 2 */ 750 outb(0x61, inb(0x61) | 3); 751 /* set command for counter 2, 2 byte write */ 752 outb(0x43, 0xb6); 753 /* set pitch */ 754 outb(0x42, pitch); 755 outb(0x42, (pitch>>8)); 756 } 757 else { 758 /* disable counter 2 */ 759 outb(0x61, inb(0x61) & 0xFC); 760 } 761 } 762 return 0; 763 764 case KDGKBTYPE: /* get keyboard type */ 765 *data = 0; /* type not known (yet) */ 766 return 0; 767 768 case KDSETLED: /* set keyboard LED status */ 769 if (*data >= 0 && *data <= LED_MASK) { 770 scp->status &= ~LED_MASK; 771 scp->status |= *data; 772 if (scp == cur_scr_stat) 773 update_leds(scp->status & LED_MASK); 774 return 0; 775 } 776 return EINVAL; 777 778 case KDGETLED: /* get keyboard LED status */ 779 *data = scp->status & LED_MASK; 780 return 0; 781 782 case GETFKEY: /* get functionkey string */ 783 if (*(u_short*)data < n_fkey_tab) { 784 fkeyarg_t *ptr = (fkeyarg_t*)data; 785 bcopy(&fkey_tab[ptr->keynum].str, 786 ptr->keydef, 787 fkey_tab[ptr->keynum].len); 788 ptr->flen = fkey_tab[ptr->keynum].len; 789 return 0; 790 } 791 else 792 return EINVAL; 793 794 case SETFKEY: /* set functionkey string */ 795 if (*(u_short*)data < n_fkey_tab) { 796 fkeyarg_t *ptr = (fkeyarg_t*)data; 797 bcopy(ptr->keydef, 798 &fkey_tab[ptr->keynum].str, 799 min(ptr->flen, MAXFK)); 800 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 801 return 0; 802 } 803 else 804 return EINVAL; 805 806 case GIO_SCRNMAP: /* get output translation table */ 807 bcopy(&scr_map, data, sizeof(scr_map)); 808 return 0; 809 810 case PIO_SCRNMAP: /* set output translation table */ 811 bcopy(data, &scr_map, sizeof(scr_map)); 812 return 0; 813 814 case GIO_KEYMAP: /* get keyboard translation table */ 815 bcopy(&key_map, data, sizeof(key_map)); 816 return 0; 817 818 case PIO_KEYMAP: /* set keyboard translation table */ 819 bcopy(data, &key_map, sizeof(key_map)); 820 return 0; 821 822 case PIO_FONT8x8: /* set 8x8 dot font */ 823 if (!crtc_vga) 824 return ENXIO; 825 bcopy(data, &font_8x8, sizeof(font_8x8)); 826 load_font(1, 8, font_8x8); 827 return 0; 828 829 case GIO_FONT8x8: /* get 8x8 dot font */ 830 if (!crtc_vga) 831 return ENXIO; 832 bcopy(&font_8x8, data, sizeof(font_8x8)); 833 return 0; 834 835 case PIO_FONT8x14: /* set 8x14 dot font */ 836 if (!crtc_vga) 837 return ENXIO; 838 bcopy(data, &font_8x14, sizeof(font_8x14)); 839 load_font(2, 14, font_8x14); 840 return 0; 841 842 case GIO_FONT8x14: /* get 8x14 dot font */ 843 if (!crtc_vga) 844 return ENXIO; 845 bcopy(&font_8x14, data, sizeof(font_8x14)); 846 return 0; 847 848 case PIO_FONT8x16: /* set 8x16 dot font */ 849 if (!crtc_vga) 850 return ENXIO; 851 bcopy(data, &font_8x16, sizeof(font_8x16)); 852 load_font(0, 16, font_8x16); 853 return 0; 854 855 case GIO_FONT8x16: /* get 8x16 dot font */ 856 if (!crtc_vga) 857 return ENXIO; 858 bcopy(&font_8x16, data, sizeof(font_8x16)); 859 return 0; 860 861 case CONSOLE_X_MODE_ON: /* just to be compatible */ 862 if (saved_console < 0) { 863 saved_console = get_scr_num(cur_scr_stat); 864 switch_scr(minor(dev)); 865 fp = (struct syscframe *)p->p_regs; 866 fp->sf_eflags |= PSL_IOPL; 867 scp->status |= UNKNOWN_MODE; 868 scp->status |= KBD_RAW_MODE; 869 return 0; 870 } 871 return EAGAIN; 872 873 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 874 fp = (struct syscframe *)p->p_regs; 875 fp->sf_eflags &= ~PSL_IOPL; 876 if (crtc_vga) { 877 load_font(0, 16, font_8x16); 878 load_font(1, 8, font_8x8); 879 load_font(2, 14, font_8x14); 880 load_palette(); 881 } 882 scp->status &= ~UNKNOWN_MODE; 883 set_mode(scp); 884 clear_screen(scp); 885 scp->status &= ~KBD_RAW_MODE; 886 switch_scr(saved_console); 887 saved_console = -1; 888 return 0; 889 890 case CONSOLE_X_BELL: /* more compatibility */ 891 /* 892 * if set, data is a pointer to a length 2 array of 893 * integers. data[0] is the pitch in Hz and data[1] 894 * is the duration in msec. 895 */ 896 if (data) 897 sysbeep(XTALSPEED/((int*)data)[0], ((int*)data)[1]*hz/3000); 898 else 899 sysbeep(0x31b, hz/4); 900 return 0; 901 902 default: 903 break; 904 } 905 906 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 907 if (error >= 0) 908 return(error); 909 error = ttioctl(tp, cmd, data, flag); 910 if (error >= 0) 911 return(error); 912 return(ENOTTY); 913} 914 915 916pcxint(dev_t dev) 917{ 918 pccons[minor(dev)].t_state &= ~TS_BUSY; 919 pcconsoftc.cs_timo = 0; 920 if (pccons[minor(dev)].t_line) 921 (*linesw[pccons[minor(dev)].t_line].l_start) 922 (&pccons[minor(dev)]); 923 else 924 pcstart(&pccons[minor(dev)]); 925} 926 927 928pcstart(struct tty *tp) 929{ 930 int c, s; 931 scr_stat *scp = get_scr_stat(tp->t_dev); 932 933 s = spltty(); 934 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 935 for (;;) { 936 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 937 if (tp->t_state & TS_ASLEEP) { 938 tp->t_state &= ~TS_ASLEEP; 939 wakeup((caddr_t)&tp->t_out); 940 } 941 if (tp->t_wsel) { 942 selwakeup(tp->t_wsel, 943 tp->t_state & TS_WCOLL); 944 tp->t_wsel = 0; 945 tp->t_state &= ~TS_WCOLL; 946 } 947 } 948 if (RB_LEN(&tp->t_out) == 0) 949 break; 950 if (scp->status & SLKED) 951 break; 952 c = getc(&tp->t_out); 953 tp->t_state |= TS_BUSY; 954 splx(s); 955 ansi_put(scp, c); 956 s = spltty(); 957 tp->t_state &= ~TS_BUSY; 958 } 959 splx(s); 960} 961 962 963pccnprobe(struct consdev *cp) 964{ 965 int maj; 966 967 /* locate the major number */ 968 for (maj = 0; maj < nchrdev; maj++) 969 if (cdevsw[maj].d_open == pcopen) 970 break; 971 972 /* initialize required fields */ 973 cp->cn_dev = makedev(maj, 0); 974 cp->cn_tp = &pccons[0]; 975 cp->cn_pri = CN_INTERNAL; 976} 977 978 979pccninit(struct consdev *cp) 980{ 981} 982 983 984pccnputc(dev_t dev, char c) 985{ 986 int pos; 987 988 if (cur_scr_stat->status & UNKNOWN_MODE) 989 return; 990 if (c == '\n') 991 sput('\r'); 992 sput(c); 993 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 994 if (pos != cur_cursor_pos) { 995 cur_cursor_pos = pos; 996 outb(crtc_addr,14); 997 outb(crtc_addr+1,pos >> 8); 998 outb(crtc_addr,15); 999 outb(crtc_addr+1,pos&0xff); 1000 } 1001} 1002 1003 1004pccngetc(dev_t dev) 1005{ 1006 int c, s; 1007 1008 s = spltty(); /* block scintr while we poll */ 1009 c = sgetc(0); 1010 splx(s); 1011 if (c == '\r') c = '\n'; 1012 return(c); 1013} 1014 1015#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1016 1017void scrn_saver(int test) 1018{ 1019 u_char val; 1020 1021 if (test) { 1022 scrn_blanked = 1; 1023 outb(TSIDX, 0x01); val = inb(TSREG); 1024 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1025 } 1026 else { 1027 scrn_blanked = 0; 1028 outb(TSIDX, 0x01); val = inb(TSREG); 1029 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1030 } 1031} 1032#endif 1033#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1034 1035static u_long rand_next = 1; 1036 1037static rand() 1038{ 1039 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1040} 1041#endif 1042#ifdef STAR_SAVER 1043/* 1044 * Alternate saver that got its inspiration from a well known utility 1045 * package for an unfamous OS. 1046 */ 1047 1048#define NUM_STARS 50 1049 1050void scrn_saver(int test) 1051{ 1052 scr_stat *scp = cur_scr_stat; 1053 int cell, i; 1054 char pattern[] = {"...........++++*** "}; 1055 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1056 FG_WHITE, FG_LIGHTCYAN}; 1057 static u_short stars[NUM_STARS][2]; 1058 1059 if (test) { 1060 if (!scrn_blanked) { 1061 bcopy(Crtat, scp->scr, 1062 scp->max_posx * scp->max_posy * 2); 1063 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1064 scp->max_posx * scp->max_posy); 1065 set_border(0); 1066 i = scp->max_posy * scp->max_posx + 5; 1067 outb(crtc_addr, 14); 1068 outb(crtc_addr+1, i >> 8); 1069 outb(crtc_addr, 15); 1070 outb(crtc_addr+1, i & 0xff); 1071 scrn_blanked = 1; 1072 for(i=0; i<NUM_STARS; i++) { 1073 stars[i][0] = 1074 rand() % (scp->max_posx*scp->max_posy); 1075 stars[i][1] = 0; 1076 } 1077 } 1078 cell = rand() % NUM_STARS; 1079 *((u_short*)(Crtat + stars[cell][0])) = 1080 scr_map[pattern[stars[cell][1]]] | 1081 colors[rand()%sizeof(colors)] << 8; 1082 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1083 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1084 stars[cell][1] = 0; 1085 } 1086 } 1087 else { 1088 if (scrn_blanked) { 1089 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1090 cur_cursor_pos = -1; 1091 set_border(scp->border); 1092 scrn_blanked = 0; 1093 } 1094 } 1095} 1096#endif 1097#ifdef SNAKE_SAVER 1098/* 1099 * alternative screen saver for cards that do not like blanking 1100 */ 1101 1102void scrn_saver(int test) 1103{ 1104 const char saves[] = {"FreeBSD"}; 1105 static u_char *savs[sizeof(saves)-1]; 1106 static int dirx, diry; 1107 int f; 1108 scr_stat *scp = cur_scr_stat; 1109 1110 if (test) { 1111 if (!scrn_blanked) { 1112 bcopy(Crtat, scp->scr, 1113 scp->max_posx * scp->max_posy * 2); 1114 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1115 scp->max_posx * scp->max_posy); 1116 set_border(0); 1117 dirx = (scp->posx ? 1 : -1); 1118 diry = (scp->posy ? 1119 scp->max_posx : -scp->max_posx); 1120 for (f=0; f< sizeof(saves)-1; f++) 1121 savs[f] = (u_char *)Crtat + 2 * 1122 (scp->posx+scp->posy*scp->max_posx); 1123 *(savs[0]) = scr_map[*saves]; 1124 f = scp->max_posy * scp->max_posx + 5; 1125 outb(crtc_addr, 14); 1126 outb(crtc_addr+1, f >> 8); 1127 outb(crtc_addr, 15); 1128 outb(crtc_addr+1, f & 0xff); 1129 scrn_blanked = 1; 1130 } 1131 if (scrn_blanked++ < 4) 1132 return; 1133 scrn_blanked = 1; 1134 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1135 for (f=sizeof(saves)-2; f > 0; f--) 1136 savs[f] = savs[f-1]; 1137 f = (savs[0] - (u_char *)Crtat) / 2; 1138 if ((f % scp->max_posx) == 0 || 1139 (f % scp->max_posx) == scp->max_posx - 1 || 1140 (rand() % 50) == 0) 1141 dirx = -dirx; 1142 if ((f / scp->max_posx) == 0 || 1143 (f / scp->max_posx) == scp->max_posy - 1 || 1144 (rand() % 20) == 0) 1145 diry = -diry; 1146 savs[0] += 2*dirx + 2*diry; 1147 for (f=sizeof(saves)-2; f>=0; f--) 1148 *(savs[f]) = scr_map[saves[f]]; 1149 } 1150 else { 1151 if (scrn_blanked) { 1152 bcopy(scp->scr, Crtat, 1153 scp->max_posx * scp->max_posy * 2); 1154 cur_cursor_pos = -1; 1155 set_border(scp->border); 1156 scrn_blanked = 0; 1157 } 1158 } 1159} 1160#endif 1161 1162static void cursor_shape(int start, int end) 1163{ 1164 outb(crtc_addr, 10); 1165 outb(crtc_addr+1, start & 0xFF); 1166 outb(crtc_addr, 11); 1167 outb(crtc_addr+1, end & 0xFF); 1168} 1169 1170 1171static void get_cursor_shape(int *start, int *end) 1172{ 1173 outb(crtc_addr, 10); 1174 *start = inb(crtc_addr+1) & 0x1F; 1175 outb(crtc_addr, 11); 1176 *end = inb(crtc_addr+1) & 0x1F; 1177} 1178 1179 1180static void cursor_pos(void) 1181{ 1182 int pos; 1183 1184 if (cur_scr_stat->status & UNKNOWN_MODE) 1185 return; 1186 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1187 scrn_saver(1); 1188 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 1189 if (!scrn_blanked && pos != cur_cursor_pos) { 1190 cur_cursor_pos = pos; 1191 outb(crtc_addr, 14); 1192 outb(crtc_addr+1, pos>>8); 1193 outb(crtc_addr, 15); 1194 outb(crtc_addr+1, pos&0xff); 1195 } 1196 timeout(cursor_pos, 0, hz/20); 1197} 1198 1199 1200static void clear_screen(scr_stat *scp) 1201{ 1202 move_crsr(scp, 0, 0); 1203 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1204 scp->max_posx * scp->max_posy); 1205} 1206 1207 1208static switch_scr(u_int next_scr) 1209{ 1210 if (in_putc) { /* don't switch if in putc */ 1211 nx_scr = next_scr+1; 1212 return 0; 1213 } 1214 if (switch_in_progress && 1215 (cur_scr_stat->proc != pfind(cur_scr_stat->pid))) 1216 switch_in_progress = 0; 1217 if (next_scr >= NCONS || switch_in_progress) { 1218 sysbeep(800, hz/4); 1219 return -1; 1220 } 1221 switch_in_progress = 1; 1222 old_scp = cur_scr_stat; 1223 new_scp = &cons_scr_stat[next_scr]; 1224 wakeup(&new_scp->smode); 1225 if (new_scp == old_scp) { 1226 switch_in_progress = 0; 1227 return 0; 1228 } 1229 new_pccons = &pccons[next_scr]; 1230 1231 /* has controlling process died? */ 1232 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1233 old_scp->smode.mode = VT_AUTO; 1234 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1235 new_scp->smode.mode = VT_AUTO; 1236 1237 /* check the modes and switch approbiatly */ 1238 if (old_scp->smode.mode == VT_PROCESS) { 1239 old_scp->status |= SWITCH_WAIT_REL; 1240 psignal(old_scp->proc, old_scp->smode.relsig); 1241 } 1242 else { 1243 exchange_scr(); 1244 if (new_scp->smode.mode == VT_PROCESS) { 1245 new_scp->status |= SWITCH_WAIT_ACQ; 1246 psignal(new_scp->proc, new_scp->smode.acqsig); 1247 } 1248 else 1249 switch_in_progress = 0; 1250 } 1251 return 0; 1252} 1253 1254 1255static void exchange_scr(void) 1256{ 1257 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1258 old_scp->crt_base = old_scp->scr; 1259 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1260 cur_scr_stat = new_scp; 1261 cur_pccons = new_pccons; 1262 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1263 shfts = ctls = alts = 0; 1264 update_leds(new_scp->status & LED_MASK); 1265 set_mode(new_scp); 1266 new_scp->crt_base = Crtat; 1267 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1268 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1269 nx_scr = 0; 1270} 1271 1272 1273static void move_crsr(scr_stat *scp, int x, int y) 1274{ 1275 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1276 return; 1277 scp->posx = x; 1278 scp->posy = y; 1279 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1280} 1281 1282 1283static void move_up(u_short *s, u_short *d, u_int len) 1284{ 1285 s += len; 1286 d += len; 1287 while (len-- > 0) 1288 *--d = *--s; 1289} 1290 1291 1292static void move_down(u_short *s, u_short *d, u_int len) 1293{ 1294 while (len-- > 0) 1295 *d++ = *s++; 1296} 1297 1298 1299static void scan_esc(scr_stat *scp, u_char c) 1300{ 1301 static u_char ansi_col[16] = 1302 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1303 int i, n; 1304 u_short *src, *dst, count; 1305 1306 if (scp->term.esc == 1) { 1307 switch (c) { 1308 1309 case '[': /* Start ESC [ sequence */ 1310 scp->term.esc = 2; 1311 scp->term.last_par = -1; 1312 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1313 scp->term.par[i] = 1; 1314 scp->term.n_par = 0; 1315 return; 1316 1317 case 'M': /* Move cursor up 1 line, scroll if at top */ 1318 if (scp->posy > 0) 1319 move_crsr(scp, scp->posx, scp->posy - 1); 1320 else { 1321 move_up(scp->crt_base, 1322 scp->crt_base + scp->max_posx, 1323 (scp->max_posy - 1) * scp->max_posx); 1324 fillw(scp->term.attr | scr_map[0x20], 1325 scp->crt_base, scp->max_posx); 1326 } 1327 break; 1328#if notyet 1329 case 'Q': 1330 scp->term.esc = 4; 1331 break; 1332#endif 1333 case 'c': /* Clear screen & home */ 1334 clear_screen(scp); 1335 break; 1336 } 1337 } 1338 else if (scp->term.esc == 2) { 1339 if (c >= '0' && c <= '9') { 1340 if (scp->term.n_par < MAX_ESC_PAR) { 1341 if (scp->term.last_par != scp->term.n_par) { 1342 scp->term.last_par = scp->term.n_par; 1343 scp->term.par[scp->term.n_par] = 0; 1344 } 1345 else 1346 scp->term.par[scp->term.n_par] *= 10; 1347 scp->term.par[scp->term.n_par] += c - '0'; 1348 return; 1349 } 1350 } 1351 scp->term.n_par = scp->term.last_par + 1; 1352 switch (c) { 1353 1354 case ';': 1355 if (scp->term.n_par < MAX_ESC_PAR) 1356 return; 1357 break; 1358 1359 case '=': 1360 scp->term.esc = 3; 1361 scp->term.last_par = -1; 1362 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1363 scp->term.par[i] = 1; 1364 scp->term.n_par = 0; 1365 return; 1366 1367 case 'A': /* up n rows */ 1368 n = scp->term.par[0]; if (n < 1) n = 1; 1369 move_crsr(scp, scp->posx, scp->posy - n); 1370 break; 1371 1372 case 'B': /* down n rows */ 1373 n = scp->term.par[0]; if (n < 1) n = 1; 1374 move_crsr(scp, scp->posx, scp->posy + n); 1375 break; 1376 1377 case 'C': /* right n columns */ 1378 n = scp->term.par[0]; if (n < 1) n = 1; 1379 move_crsr(scp, scp->posx + n, scp->posy); 1380 break; 1381 1382 case 'D': /* left n columns */ 1383 n = scp->term.par[0]; if (n < 1) n = 1; 1384 move_crsr(scp, scp->posx - n, scp->posy); 1385 break; 1386 1387 case 'E': /* cursor to start of line n lines down */ 1388 n = scp->term.par[0]; if (n < 1) n = 1; 1389 move_crsr(scp, 0, scp->posy + n); 1390 break; 1391 1392 case 'F': /* cursor to start of line n lines up */ 1393 n = scp->term.par[0]; if (n < 1) n = 1; 1394 move_crsr(scp, 0, scp->posy - n); 1395 break; 1396 1397 case 'f': /* System V consoles .. */ 1398 case 'H': /* Cursor move */ 1399 if (scp->term.n_par == 0) 1400 move_crsr(scp, 0, 0); 1401 else if (scp->term.n_par == 2) 1402 move_crsr(scp, scp->term.par[1] - 1, 1403 scp->term.par[0] - 1); 1404 break; 1405 1406 case 'J': /* Clear all or part of display */ 1407 if (scp->term.n_par == 0) 1408 n = 0; 1409 else 1410 n = scp->term.par[0]; 1411 switch (n) { 1412 case 0: /* clear form cursor to end of display */ 1413 fillw(scp->term.attr | scr_map[0x20], 1414 scp->crtat, scp->crt_base + 1415 scp->max_posx * scp->max_posy - 1416 scp->crtat); 1417 break; 1418 case 1: /* clear from beginning of display to cursor */ 1419 fillw(scp->term.attr | scr_map[0x20], 1420 scp->crt_base, 1421 scp->crtat - scp->crt_base); 1422 break; 1423 case 2: /* clear entire display */ 1424 clear_screen(scp); 1425 break; 1426 } 1427 break; 1428 1429 case 'K': /* Clear all or part of line */ 1430 if (scp->term.n_par == 0) 1431 n = 0; 1432 else 1433 n = scp->term.par[0]; 1434 switch (n) { 1435 case 0: /* clear form cursor to end of line */ 1436 fillw(scp->term.attr | scr_map[0x20], 1437 scp->crtat, scp->max_posx - scp->posx); 1438 break; 1439 case 1: /* clear from beginning of line to cursor */ 1440 fillw(scp->term.attr|scr_map[0x20], 1441 scp->crtat - (scp->max_posx - scp->posx), 1442 (scp->max_posx - scp->posx) + 1); 1443 break; 1444 case 2: /* clear entire line */ 1445 fillw(scp->term.attr|scr_map[0x20], 1446 scp->crtat - (scp->max_posx - scp->posx), 1447 scp->max_posx); 1448 break; 1449 } 1450 break; 1451 1452 case 'L': /* Insert n lines */ 1453 n = scp->term.par[0]; if (n < 1) n = 1; 1454 if (n > scp->max_posy - scp->posy) 1455 n = scp->max_posy - scp->posy; 1456 src = scp->crt_base + scp->posy * scp->max_posx; 1457 dst = src + n * scp->max_posx; 1458 count = scp->max_posy - (scp->posy + n); 1459 move_up(src, dst, count * scp->max_posx); 1460 fillw(scp->term.attr | scr_map[0x20], src, 1461 n * scp->max_posx); 1462 break; 1463 1464 case 'M': /* Delete n lines */ 1465 n = scp->term.par[0]; if (n < 1) n = 1; 1466 if (n > scp->max_posy - scp->posy) 1467 n = scp->max_posy - scp->posy; 1468 dst = scp->crt_base + scp->posy * scp->max_posx; 1469 src = dst + n * scp->max_posx; 1470 count = scp->max_posy - (scp->posy + n); 1471 move_down(src, dst, count * scp->max_posx); 1472 src = dst + count * scp->max_posx; 1473 fillw(scp->term.attr | scr_map[0x20], src, 1474 n * scp->max_posx); 1475 break; 1476 1477 case 'P': /* Delete n chars */ 1478 n = scp->term.par[0]; if (n < 1) n = 1; 1479 if (n > scp->max_posx - scp->posx) 1480 n = scp->max_posx - scp->posx; 1481 dst = scp->crtat; 1482 src = dst + n; 1483 count = scp->max_posx - (scp->posx + n); 1484 move_down(src, dst, count); 1485 src = dst + count; 1486 fillw(scp->term.attr | scr_map[0x20], src, n); 1487 break; 1488 1489 case '@': /* Insert n chars */ 1490 n = scp->term.par[0]; if (n < 1) n = 1; 1491 if (n > scp->max_posx - scp->posx) 1492 n = scp->max_posx - scp->posx; 1493 src = scp->crtat; 1494 dst = src + n; 1495 count = scp->max_posx - (scp->posx + n); 1496 move_up(src, dst, count); 1497 fillw(scp->term.attr | scr_map[0x20], src, n); 1498 break; 1499 1500 case 'S': /* scroll up n lines */ 1501 n = scp->term.par[0]; if (n < 1) n = 1; 1502 bcopy(scp->crt_base + (scp->max_posx * n), 1503 scp->crt_base, 1504 scp->max_posx * (scp->max_posy - n) * 1505 sizeof(u_short)); 1506 fillw(scp->term.attr | scr_map[0x20], 1507 scp->crt_base + scp->max_posx * 1508 (scp->max_posy - 1), 1509 scp->max_posx); 1510 break; 1511 1512 case 'T': /* scroll down n lines */ 1513 n = scp->term.par[0]; if (n < 1) n = 1; 1514 bcopy(scp->crt_base, 1515 scp->crt_base + (scp->max_posx * n), 1516 scp->max_posx * (scp->max_posy - n) * 1517 sizeof(u_short)); 1518 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1519 scp->max_posx); 1520 break; 1521 1522 case 'X': /* delete n characters in line */ 1523 n = scp->term.par[0]; if (n < 1) n = 1; 1524 fillw(scp->term.attr | scr_map[0x20], 1525 scp->crt_base + scp->posx + 1526 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1527 break; 1528 1529 case 'Z': /* move n tabs backwards */ 1530 n = scp->term.par[0]; if (n < 1) n = 1; 1531 if ((i = scp->posx & 0xf8) == scp->posx) 1532 i -= 8*n; 1533 else 1534 i -= 8*(n-1); 1535 if (i < 0) 1536 i = 0; 1537 move_crsr(scp, i, scp->posy); 1538 break; 1539 1540 case '`': /* move cursor to column n */ 1541 n = scp->term.par[0]; if (n < 1) n = 1; 1542 move_crsr(scp, n, scp->posy); 1543 break; 1544 1545 case 'a': /* move cursor n columns to the right */ 1546 n = scp->term.par[0]; if (n < 1) n = 1; 1547 move_crsr(scp, scp->posx + n, scp->posy); 1548 break; 1549 1550 case 'd': /* move cursor to row n */ 1551 n = scp->term.par[0]; if (n < 1) n = 1; 1552 move_crsr(scp, scp->posx, n); 1553 break; 1554 1555 case 'e': /* move cursor n rows down */ 1556 n = scp->term.par[0]; if (n < 1) n = 1; 1557 move_crsr(scp, scp->posx, scp->posy + n); 1558 break; 1559 1560 case 'm': /* change attribute */ 1561 if (scp->term.n_par == 0) 1562 n = 0; 1563 else 1564 n = scp->term.par[0]; 1565 switch (n) { 1566 case 0: /* back to normal */ 1567 scp->term.attr = scp->term.std_attr; 1568 break; 1569 case 1: /* highlight (bold) */ 1570 scp->term.attr &= 0xFF00; 1571 scp->term.attr |= 0x0800; 1572 break; 1573 case 4: /* highlight (underline) */ 1574 scp->term.attr &= 0x0F00; 1575 scp->term.attr |= 0x0800; 1576 break; 1577 case 5: /* blink */ 1578 scp->term.attr &= 0xFF00; 1579 scp->term.attr |= 0x8000; 1580 break; 1581 case 7: /* reverse video */ 1582 scp->term.attr = scp->term.rev_attr; 1583 break; 1584 case 30: case 31: case 32: case 33: /* set fg color */ 1585 case 34: case 35: case 36: case 37: 1586 scp->term.attr = (scp->term.attr & 0xF0FF) 1587 | (ansi_col[(n - 30) & 7] << 8); 1588 break; 1589 case 40: case 41: case 42: case 43: /* set bg color */ 1590 case 44: case 45: case 46: case 47: 1591 scp->term.attr = (scp->term.attr & 0x0FFF) 1592 | (ansi_col[(n - 40) & 7] << 12); 1593 break; 1594 } 1595 break; 1596 1597 case 'x': 1598 if (scp->term.n_par == 0) 1599 n = 0; 1600 else 1601 n = scp->term.par[0]; 1602 switch (n) { 1603 case 0: /* reset attributes */ 1604 scp->term.attr = scp->term.std_attr = 1605 current_default->std_attr; 1606 scp->term.rev_attr = current_default->rev_attr; 1607 break; 1608 case 1: /* set ansi background */ 1609 scp->term.attr = scp->term.std_attr = 1610 (scp->term.std_attr & 0x0F00) | 1611 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1612 break; 1613 case 2: /* set ansi foreground */ 1614 scp->term.attr = scp->term.std_attr = 1615 (scp->term.std_attr & 0xF000) | 1616 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1617 break; 1618 case 3: /* set ansi attribute directly */ 1619 scp->term.attr = scp->term.std_attr = 1620 (scp->term.par[1]&0xFF)<<8; 1621 break; 1622 case 5: /* set ansi reverse video background */ 1623 scp->term.rev_attr = 1624 (scp->term.rev_attr & 0x0F00) | 1625 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1626 break; 1627 case 6: /* set ansi reverse video foreground */ 1628 scp->term.rev_attr = 1629 (scp->term.rev_attr & 0xF000) | 1630 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1631 break; 1632 case 7: /* set ansi reverse video directly */ 1633 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1634 break; 1635 } 1636 break; 1637 1638 case 'z': /* switch to (virtual) console n */ 1639 if (scp->term.n_par == 1) 1640 switch_scr(scp->term.par[0]); 1641 break; 1642 } 1643 } 1644 else if (scp->term.esc == 3) { 1645 if (c >= '0' && c <= '9') { 1646 if (scp->term.n_par < MAX_ESC_PAR) { 1647 if (scp->term.last_par != scp->term.n_par) { 1648 scp->term.last_par = scp->term.n_par; 1649 scp->term.par[scp->term.n_par] = 0; 1650 } 1651 else 1652 scp->term.par[scp->term.n_par] *= 10; 1653 scp->term.par[scp->term.n_par] += c - '0'; 1654 return; 1655 } 1656 } 1657 scp->term.n_par = scp->term.last_par + 1; 1658 switch (c) { 1659 1660 case ';': 1661 if (scp->term.n_par < MAX_ESC_PAR) 1662 return; 1663 break; 1664 1665 case 'A': /* set display border color */ 1666 if (scp->term.n_par == 1) 1667 scp->border=scp->term.par[0] & 0xff; 1668 if (scp == cur_scr_stat) 1669 set_border(scp->border); 1670 break; 1671 1672 case 'B': /* set bell pitch and duration */ 1673 if (scp->term.n_par == 2) { 1674 scp->bell_pitch = scp->term.par[0]; 1675 scp->bell_duration = scp->term.par[1]*10; 1676 } 1677 break; 1678 1679 case 'C': /* set cursor shape (start & end line) */ 1680 if (scp->term.n_par == 2) { 1681 scp->cursor_start = scp->term.par[0] & 0x1F; 1682 scp->cursor_end = scp->term.par[1] & 0x1F; 1683 if (scp == cur_scr_stat) 1684 cursor_shape(scp->cursor_start, 1685 scp->cursor_end); 1686 } 1687 break; 1688 1689 case 'F': /* set ansi foreground */ 1690 if (scp->term.n_par == 1) 1691 scp->term.attr = scp->term.std_attr = 1692 (scp->term.std_attr & 0xF000) 1693 | ((scp->term.par[0] & 0x0F) << 8); 1694 break; 1695 1696 case 'G': /* set ansi background */ 1697 if (scp->term.n_par == 1) 1698 scp->term.attr = scp->term.std_attr = 1699 (scp->term.std_attr & 0x0F00) 1700 | ((scp->term.par[0] & 0x0F) << 12); 1701 break; 1702 1703 case 'H': /* set ansi reverse video foreground */ 1704 if (scp->term.n_par == 1) 1705 scp->term.rev_attr = 1706 (scp->term.rev_attr & 0xF000) 1707 | ((scp->term.par[0] & 0x0F) << 8); 1708 break; 1709 1710 case 'I': /* set ansi reverse video background */ 1711 if (scp->term.n_par == 1) 1712 scp->term.rev_attr = 1713 (scp->term.rev_attr & 0x0F00) 1714 | ((scp->term.par[0] & 0x0F) << 12); 1715 break; 1716 } 1717 } 1718 scp->term.esc = 0; 1719} 1720 1721 1722static void ansi_put(scr_stat *scp, u_char c) 1723{ 1724 if (scp->status & UNKNOWN_MODE) 1725 return; 1726 1727 /* make screensaver happy */ 1728 if (scp == cur_scr_stat) { 1729 scrn_time_stamp = time.tv_sec; 1730 if (scrn_blanked) 1731 scrn_saver(0); 1732 } 1733 in_putc++; 1734 if (scp->term.esc) 1735 scan_esc(scp, c); 1736 else switch(c) { 1737 case 0x1B: /* start escape sequence */ 1738 scp->term.esc = 1; 1739 scp->term.n_par = 0; 1740 break; 1741 case 0x07: 1742 if (scp == cur_scr_stat) 1743 sysbeep(scp->bell_pitch, scp->bell_duration); 1744 break; 1745 case '\t': /* non-destructive tab */ 1746 scp->crtat += (8 - scp->posx % 8); 1747 scp->posx += (8 - scp->posx % 8); 1748 break; 1749 case '\b': /* non-destructive backspace */ 1750 if (scp->crtat > scp->crt_base) { 1751 scp->crtat--; 1752 if (scp->posx > 0) 1753 scp->posx--; 1754 else { 1755 scp->posx += scp->max_posx - 1; 1756 scp->posy--; 1757 } 1758 } 1759 break; 1760 case '\r': /* return to pos 0 */ 1761 move_crsr(scp, 0, scp->posy); 1762 break; 1763 case '\n': /* newline, same pos */ 1764 scp->crtat += scp->max_posx; 1765 scp->posy++; 1766 break; 1767 case '\f': /* form feed, clears screen */ 1768 clear_screen(scp); 1769 break; 1770 default: 1771 /* Print only printables */ 1772 *scp->crtat = (scp->term.attr | scr_map[c]); 1773 scp->crtat++; 1774 if (++scp->posx >= scp->max_posx) { 1775 scp->posx = 0; 1776 scp->posy++; 1777 } 1778 break; 1779 } 1780 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1781 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1782 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1783 fillw(scp->term.attr | scr_map[0x20], 1784 scp->crt_base + scp->max_posx * (scp->max_posy - 1), 1785 scp->max_posx); 1786 scp->crtat -= scp->max_posx; 1787 scp->posy--; 1788 } 1789 in_putc--; 1790 if (nx_scr) 1791 switch_scr(nx_scr - 1); 1792} 1793 1794 1795void consinit(void) 1796{ 1797 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1798 unsigned cursorat; 1799 int i; 1800 1801 /* 1802 * catch that once in a blue moon occurence when consinit is called 1803 * TWICE, adding the CGA_BUF offset again -> poooff 1804 */ 1805 if (crtat != 0) 1806 return; 1807 /* 1808 * Crtat initialized to point to MONO buffer, if not present change 1809 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1810 * in the remapped offset at the right time 1811 */ 1812 was = *cp; 1813 *cp = (u_short) 0xA55A; 1814 if (*cp != 0xA55A) { 1815 crtc_addr = MONO_BASE; 1816 } else { 1817 *cp = was; 1818 crtc_addr = COLOR_BASE; 1819 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1820 } 1821 1822 /* Extract cursor location */ 1823 outb(crtc_addr,14); 1824 cursorat = inb(crtc_addr+1)<<8 ; 1825 outb(crtc_addr,15); 1826 cursorat |= inb(crtc_addr+1); 1827 crtat = Crtat + cursorat; 1828 1829 /* is this a VGA or higher ? */ 1830 outb(crtc_addr, 7); 1831 if (inb(crtc_addr) == 7) 1832 crtc_vga = 1; 1833 1834 current_default = &user_default; 1835 cons_scr_stat[0].crtat = crtat; 1836 cons_scr_stat[0].crt_base = Crtat; 1837 cons_scr_stat[0].term.esc = 0; 1838 cons_scr_stat[0].term.std_attr = current_default->std_attr; 1839 cons_scr_stat[0].term.rev_attr = current_default->rev_attr; 1840 cons_scr_stat[0].term.attr = current_default->std_attr; 1841 cons_scr_stat[0].posx = cursorat % COL; 1842 cons_scr_stat[0].posy = cursorat / COL; 1843 cons_scr_stat[0].border = BG_BLACK;; 1844 cons_scr_stat[0].max_posx = COL; 1845 cons_scr_stat[0].max_posy = ROW; 1846 cons_scr_stat[0].status = 0; 1847 cons_scr_stat[0].pid = 0; 1848 cons_scr_stat[0].proc = NULL; 1849 cons_scr_stat[0].smode.mode = VT_AUTO; 1850 cons_scr_stat[0].bell_pitch = 800; 1851 cons_scr_stat[0].bell_duration = 10; 1852 kernel_console.esc = 0; 1853 kernel_console.std_attr = kernel_default.std_attr; 1854 kernel_console.rev_attr = kernel_default.rev_attr; 1855 kernel_console.attr = kernel_default.std_attr; 1856 /* initialize mapscrn array to */ 1857 for (i=0; i<sizeof(scr_map); i++) 1858 scr_map[i] = i; 1859 clear_screen(&cons_scr_stat[0]); 1860} 1861 1862 1863static void sput(u_char c) 1864{ 1865 scr_stat *scp = &cons_scr_stat[0]; 1866 term_stat save; 1867 1868 if (crtat == 0) 1869 consinit(); 1870 save = scp->term; 1871 scp->term = kernel_console; 1872 current_default = &kernel_default; 1873 ansi_put(scp, c); 1874 kernel_console = scp->term; 1875 current_default = &user_default; 1876 scp->term = save; 1877} 1878 1879 1880static u_char *get_fstr(u_int c, u_int *len) 1881{ 1882 u_int i; 1883 1884 if (!(c & FKEY)) 1885 return(NULL); 1886 i = (c & 0xFF) - F_FN; 1887 if (i > n_fkey_tab) 1888 return(NULL); 1889 *len = fkey_tab[i].len; 1890 return(fkey_tab[i].str); 1891} 1892 1893 1894static update_leds(int which) 1895{ 1896 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 1897 1898 kbd_cmd(KB_SETLEDS); /* LED Command */ 1899 kbd_cmd(xlate_leds[which & LED_MASK]); 1900 kbd_wait(); 1901} 1902 1903 1904volatile void reset_cpu(void) 1905{ 1906 while (1) { 1907 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 1908 DELAY(4000000); 1909 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 1910 } 1911} 1912 1913 1914/* 1915 * sgetc(noblock) : get a character from the keyboard. 1916 * If noblock = 0 wait until a key is gotten. Otherwise return a 0x100. 1917 */ 1918u_int sgetc(int noblock) 1919{ 1920 u_char val, code, release; 1921 u_int state, action; 1922 struct key_t *key; 1923 static u_char esc_flag = 0, compose = 0; 1924 static u_int chr = 0; 1925 1926next_code: 1927 kbd_wait(); 1928 /* First see if there is something in the keyboard port */ 1929 if (inb(KB_STAT) & KB_BUF_FULL) 1930 val = inb(KB_DATA); 1931 else if (noblock) 1932 return(0x100); 1933 else 1934 goto next_code; 1935 1936 if (cur_scr_stat->status & KBD_RAW_MODE) 1937 return val; 1938 1939 code = val & 0x7F; 1940 release = val & 0x80; 1941 1942 /* Check for cntl-alt-del */ 1943 if ((code == 83) && ctls && alts) 1944 cpu_reset(); 1945#if NDDB > 0 1946 /* Check for cntl-alt-esc */ 1947 if ((val == 1) && ctls && alts) { 1948 /* if debugger called, try to switch to console 0 */ 1949 if (cur_scr_stat->smode.mode == VT_AUTO && 1950 cons_scr_stat[0].smode.mode == VT_AUTO) 1951 switch_scr(0); 1952 Debugger(); 1953 return(0x100); 1954 } 1955#endif 1956 switch (esc_flag) { 1957 case 0x00: /* normal scancode */ 1958 switch(code) { 1959 case 0x38: /* left alt (compose key) */ 1960 if (release && compose) { 1961 compose = 0; 1962 if (chr > 255) { 1963 sysbeep(500, hz/4); 1964 chr = 0; 1965 } 1966 } 1967 else { 1968 if (!compose) { 1969 compose = 1; 1970 chr = 0; 1971 } 1972 } 1973 break; 1974 case 0x60: 1975 case 0x61: 1976 esc_flag = code; 1977 goto next_code; 1978 } 1979 break; 1980 case 0x60: /* 0xE0 prefix */ 1981 esc_flag = 0; 1982 switch (code) { 1983 case 0x1c: /* right enter key */ 1984 code = 0x59; 1985 break; 1986 case 0x1d: /* right ctrl key */ 1987 code = 0x5a; 1988 break; 1989 case 0x35: /* keypad divide key */ 1990 code = 0x5b; 1991 break; 1992 case 0x37: /* print scrn key */ 1993 code = 0x5c; 1994 break; 1995 case 0x38: /* right alt key (alt gr) */ 1996 code = 0x5d; 1997 break; 1998 case 0x47: /* grey home key */ 1999 code = 0x5e; 2000 break; 2001 case 0x48: /* grey up arrow key */ 2002 code = 0x5f; 2003 break; 2004 case 0x49: /* grey page up key */ 2005 code = 0x60; 2006 break; 2007 case 0x4b: /* grey left arrow key */ 2008 code = 0x61; 2009 break; 2010 case 0x4d: /* grey right arrow key */ 2011 code = 0x62; 2012 break; 2013 case 0x4f: /* grey end key */ 2014 code = 0x63; 2015 break; 2016 case 0x50: /* grey down arrow key */ 2017 code = 0x64; 2018 break; 2019 case 0x51: /* grey page down key */ 2020 code = 0x65; 2021 break; 2022 case 0x52: /* grey insert key */ 2023 code = 0x66; 2024 break; 2025 case 0x53: /* grey delete key */ 2026 code = 0x67; 2027 break; 2028 default: /* ignore everything else */ 2029 goto next_code; 2030 } 2031 break; 2032 case 0x61: /* 0xE1 prefix */ 2033 esc_flag = 0; 2034 if (code == 0x1D) 2035 esc_flag = 0x1D; 2036 goto next_code; 2037 /* NOT REACHED */ 2038 case 0x1D: /* pause / break */ 2039 esc_flag = 0; 2040 if (code != 0x45) 2041 goto next_code; 2042 code = 0x68; 2043 break; 2044 } 2045 2046 if (compose) { 2047 switch (code) { 2048 case 0x47: 2049 case 0x48: /* keypad 7,8,9 */ 2050 case 0x49: 2051 if (!release) 2052 chr = (code - 0x40) + chr*10; 2053 goto next_code; 2054 case 0x4b: 2055 case 0x4c: /* keypad 4,5,6 */ 2056 case 0x4d: 2057 if (!release) 2058 chr = (code - 0x47) + chr*10; 2059 goto next_code; 2060 case 0x4f: 2061 case 0x50: /* keypad 1,2,3 */ 2062 case 0x51: 2063 if (!release) 2064 chr = (code - 0x4e) + chr*10; 2065 goto next_code; 2066 case 0x52: /* keypad 0 */ 2067 if (!release) 2068 chr *= 10; 2069 goto next_code; 2070 case 0x38: /* left alt key */ 2071 break; 2072 default: 2073 if (chr) { 2074 compose = chr = 0; 2075 sysbeep(500, hz/4); 2076 goto next_code; 2077 } 2078 break; 2079 } 2080 } 2081 2082 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2083 if ((!agrs && (cur_scr_stat->status & ALKED)) 2084 || (agrs && !(cur_scr_stat->status & ALKED))) 2085 code += ALTGR_OFFSET; 2086 key = &key_map.key[code]; 2087 if ( ((key->flgs & FLAG_LOCK_C) && (cur_scr_stat->status & CLKED)) 2088 || ((key->flgs & FLAG_LOCK_N) && (cur_scr_stat->status & NLKED)) ) 2089 state ^= 1; 2090 2091 /* Check for make/break */ 2092 action = key->map[state]; 2093 if (release) { /* key released */ 2094 if (key->spcl & 0x80) { 2095 switch (action) { 2096 case LSH: 2097 shfts &= ~1; 2098 break; 2099 case RSH: 2100 shfts &= ~2; 2101 break; 2102 case LCTR: 2103 ctls &= ~1; 2104 break; 2105 case RCTR: 2106 ctls &= ~2; 2107 break; 2108 case LALT: 2109 alts &= ~1; 2110 break; 2111 case RALT: 2112 alts &= ~2; 2113 break; 2114 case NLK: 2115 nlkcnt = 0; 2116 break; 2117 case CLK: 2118 clkcnt = 0; 2119 break; 2120 case SLK: 2121 slkcnt = 0; 2122 break; 2123 case ASH: 2124 agrs = 0; 2125 break; 2126 case ALK: 2127 alkcnt = 0; 2128 break; 2129 } 2130 } 2131 if (chr && !compose) { 2132 action = chr; 2133 chr = 0; 2134 return (action); 2135 } 2136 } else { 2137 /* key pressed */ 2138 if (key->spcl & (0x80>>state)) { 2139 switch (action) { 2140 /* LOCKING KEYS */ 2141 case NLK: 2142 if (!nlkcnt) { 2143 nlkcnt++; 2144 if (cur_scr_stat->status & NLKED) 2145 cur_scr_stat->status &= ~NLKED; 2146 else 2147 cur_scr_stat->status |= NLKED; 2148 update_leds(cur_scr_stat->status & LED_MASK); 2149 } 2150 break; 2151 case CLK: 2152 if (!clkcnt) { 2153 clkcnt++; 2154 if (cur_scr_stat->status & CLKED) 2155 cur_scr_stat->status &= ~CLKED; 2156 else 2157 cur_scr_stat->status |= CLKED; 2158 update_leds(cur_scr_stat->status & LED_MASK); 2159 } 2160 break; 2161 case SLK: 2162 if (!slkcnt) { 2163 slkcnt++; 2164 if (cur_scr_stat->status & SLKED) { 2165 cur_scr_stat->status &= ~SLKED; 2166 pcstart(&pccons[get_scr_num(cur_scr_stat)]); 2167 } 2168 else 2169 cur_scr_stat->status |= SLKED; 2170 update_leds(cur_scr_stat->status & LED_MASK); 2171 } 2172 break; 2173 case ALK: 2174 if (!alkcnt) { 2175 alkcnt++; 2176 if (cur_scr_stat->status & ALKED) 2177 cur_scr_stat->status &= ~ALKED; 2178 else 2179 cur_scr_stat->status |= ALKED; 2180 } 2181 break; 2182 2183 /* NON-LOCKING KEYS */ 2184 case LSH: 2185 shfts |= 1; 2186 break; 2187 case RSH: 2188 shfts |= 2; 2189 break; 2190 case LCTR: 2191 ctls |= 1; 2192 break; 2193 case RCTR: 2194 ctls |= 2; 2195 break; 2196 case LALT: 2197 alts |= 1; 2198 break; 2199 case RALT: 2200 alts |= 2; 2201 break; 2202 case ASH: 2203 agrs = 1; 2204 break; 2205 case NOP: 2206 break; 2207 default: 2208 if (action >= F_SCR && action <= L_SCR) { 2209 switch_scr(action - F_SCR); 2210 break; 2211 } 2212 if (action >= F_FN && action <= L_FN) { 2213 return(action | FKEY); 2214 } 2215 return(action); 2216 } 2217 } 2218 else return(action); 2219 } 2220 goto next_code; 2221} 2222 2223/* July '93, jkh. Added in for init_main.c */ 2224void cons_highlight() 2225{ 2226 cons_scr_stat[0].term.attr &= 0xFF00; 2227 cons_scr_stat[0].term.attr |= 0x0800; 2228} 2229 2230void cons_normal() 2231{ 2232 cons_scr_stat[0].term.attr = cons_scr_stat[0].term.std_attr; 2233} 2234 2235int getchar(void) 2236{ 2237 char thechar; 2238 int s; 2239 2240 pcconsoftc.cs_flags |= CSF_POLLING; 2241 s = splhigh(); 2242 sput('>'); 2243 thechar = (char) sgetc(0); 2244 pcconsoftc.cs_flags &= ~CSF_POLLING; 2245 splx(s); 2246 switch (thechar) { 2247 default: 2248 if (thechar >= scr_map[0x20]) 2249 sput(thechar); 2250 return(thechar); 2251 case cr: 2252 case lf: 2253 sput(cr); sput(lf); 2254 return(lf); 2255 case bs: 2256 case del: 2257 sput(bs); sput(scr_map[0x20]); sput(bs); 2258 return(thechar); 2259 case cntld: 2260 sput('^'); sput('D'); sput('\r'); sput('\n'); 2261 return(0); 2262 } 2263} 2264 2265 2266int pcmmap(dev_t dev, int offset, int nprot) 2267{ 2268 if (offset > 0x20000) 2269 return EINVAL; 2270 return i386_btop((VIDEOMEM + offset)); 2271} 2272 2273 2274static void kbd_wait(void) 2275{ 2276 int i; 2277 for (i=0; i<10000; i++) 2278 if ((inb(KB_STAT) & KB_READY) == 0) 2279 break; 2280} 2281 2282 2283static void kbd_cmd(u_char command) 2284{ 2285 kbd_wait(); 2286 outb(KB_DATA, command); 2287} 2288 2289 2290static void set_mode(scr_stat *scp) 2291{ 2292 u_char byte; 2293 int s; 2294 2295 if (scp != cur_scr_stat) 2296 return; 2297 2298 /* (re)activate cursor */ 2299 untimeout(cursor_pos, 0); 2300 cursor_pos(); 2301 2302 /* change cursor type if set */ 2303 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2304 cursor_shape(scp->cursor_start, scp->cursor_end); 2305 2306 /* mode change only on VGA's */ 2307 if (!crtc_vga) 2308 return; 2309 2310 /* setup video hardware for the given mode */ 2311 s = splhigh(); 2312 switch(scp->mode) { 2313 case TEXT80x25: 2314 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2315 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2316 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2317 break; 2318 case TEXT80x50: 2319 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2320 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2321 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2322 break; 2323 default: 2324 return; 2325 } 2326 splx(s); 2327 2328 /* set border color for this (virtual) console */ 2329 set_border(scp->border); 2330 return; 2331} 2332 2333 2334static void set_border(int color) 2335{ 2336 inb(crtc_addr+6); /* reset flip-flop */ 2337 outb(ATC, 0x11); outb(ATC, color); 2338 inb(crtc_addr+6); /* reset flip-flop */ 2339 outb(ATC, 0x20); /* enable Palette */ 2340} 2341 2342static load_font(int segment, int size, char* font) 2343{ 2344 int ch, line, s; 2345 u_char val; 2346 2347 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2348 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2349 2350 /* setup vga for loading fonts (graphics plane mode) */ 2351 s = splhigh(); 2352 inb(crtc_addr+6); /* reset flip/flop */ 2353 outb(ATC, 0x30); outb(ATC, 0x01); 2354 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2355 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2356 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2357 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2358 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2359 splx(s); 2360 for (ch=0; ch < 256; ch++) 2361 for (line=0; line < size; line++) 2362 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2363 font[(ch*size)+line]; 2364 /* setup vga for text mode again */ 2365 s = splhigh(); 2366 inb(crtc_addr+6); /* reset flip/flop */ 2367 outb(ATC, 0x30); outb(ATC, 0x0C); 2368 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2369 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2370 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2371 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2372 if (crtc_addr == MONO_BASE) { 2373 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2374 } 2375 else { 2376 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2377 } 2378 splx(s); 2379 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2380 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2381} 2382 2383 2384static void load_palette(void) 2385{ 2386 int i; 2387 2388 outb(PIXMASK, 0xFF); /* no pixelmask */ 2389 outb(PALWADR, 0x00); 2390 for (i=0x00; i<0x300; i++) 2391 outb(PALDATA, palette[i]); 2392 inb(crtc_addr+6); /* reset flip/flop */ 2393 outb(ATC, 0x20); /* enable palette */ 2394} 2395 2396static void save_palette(void) 2397{ 2398 int i; 2399 2400 outb(PALRADR, 0x00); 2401 for (i=0x00; i<0x300; i++) 2402 palette[i] = inb(PALDATA); 2403 inb(crtc_addr+6); /* reset flip/flop */ 2404} 2405 2406 2407static change_winsize(struct tty *tp, int x, int y) 2408{ 2409 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2410 tp->t_winsize.ws_col = x; 2411 tp->t_winsize.ws_row = y; 2412 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2413 } 2414} 2415 2416#endif /* NSC */ 2417