syscons.c revision 679
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 * from: @(#)pccons.c 5.11 (Berkeley) 5/21/91 37 * from: @(#)syscons.c 1.1 931021 38 * $Id$ 39 * 40 * Heavily modified by S�ren Schmidt (sos@login.dkuug.dk) to provide: 41 * 42 * virtual consoles, SYSV ioctl's, ANSI emulation .... 43 */ 44 45#define STAR_SAVER 46#define FAT_CURSOR 47 48#include "param.h" 49#include "conf.h" 50#include "ioctl.h" 51#include "proc.h" 52#include "user.h" 53#include "tty.h" 54#include "uio.h" 55#include "callout.h" 56#include "systm.h" 57#include "kernel.h" 58#include "syslog.h" 59#include "errno.h" 60#include "malloc.h" 61#include "i386/isa/icu.h" 62#include "i386/isa/isa.h" 63#include "i386/isa/isa_device.h" 64#include "i386/isa/timerreg.h" 65#include "i386/i386/cons.h" 66#include "machine/console.h" 67#include "machine/psl.h" 68#include "machine/frame.h" 69#include "machine/pc/display.h" 70#include "sc.h" 71#include "iso8859.font" 72#include "kbdtables.h" 73 74#if !defined(NetBSD) 75#include "ddb.h" 76#if NDDB > 0 77#define DDB 78#endif 79#endif 80 81#if NSC > 0 82 83#ifndef NCONS 84#define NCONS 12 85#endif 86 87/* status flags */ 88#define LOCK_KEY_MASK 0x0000F 89#define LED_MASK 0x00007 90#define UNKNOWN_MODE 0x00010 91#define KBD_RAW_MODE 0x00020 92#define SWITCH_WAIT_REL 0x00040 93#define SWITCH_WAIT_ACQ 0x00080 94 95/* virtual video memory addresses */ 96#if !defined(NetBSD) 97#define MONO_BUF 0xFE0B0000 98#define CGA_BUF 0xFE0B8000 99#define VGA_BUF 0xFE0A0000 100#endif 101#define VIDEOMEM 0x000A0000 102 103/* misc defines */ 104#define MAX_ESC_PAR 3 105#define TEXT80x25 1 106#define TEXT80x50 2 107#define COL 80 108#define ROW 25 109#define BELL_DURATION 10 110#define BELL_PITCH 800 111#define TIMER_FREQ 1193182 /* should be in isa.h */ 112#define PCBURST 128 113 114/* defines related to hardware addresses */ 115#define MONO_BASE 0x3B4 /* crt controller base mono */ 116#define COLOR_BASE 0x3D4 /* crt controller base color */ 117#define ATC IO_VGA+0x00 /* attribute controller */ 118#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 119#define TSREG IO_VGA+0x05 /* timing sequencer data */ 120#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 121#define PALRADR IO_VGA+0x07 /* palette read address */ 122#define PALWADR IO_VGA+0x08 /* palette write address */ 123#define PALDATA IO_VGA+0x09 /* palette data register */ 124#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 125#define GDCREG IO_VGA+0x0F /* graph data controller data */ 126 127typedef struct term_stat { 128 int esc; /* processing escape sequence */ 129 int n_par; /* # of parameters to ESC */ 130 int last_par; /* last parameter # */ 131 int par[MAX_ESC_PAR]; /* contains ESC parameters */ 132 int attr; /* current attributes */ 133 int std_attr; /* normal attributes */ 134 int rev_attr; /* reverse attributes */ 135} term_stat; 136 137typedef struct scr_stat { 138 u_short *crt_base; /* address of screen memory */ 139 u_short *scr; /* buffer when off screen */ 140 u_short *crtat; /* cursor address */ 141 int posx; /* current X position */ 142 int posy; /* current Y position */ 143 int max_posx; /* X size */ 144 int max_posy; /* X size */ 145 term_stat term; /* terminal emulation stuff */ 146 char cursor_start; /* cursor start line # */ 147 char cursor_end; /* cursor start end # */ 148 u_char border; /* border color */ 149 u_short bell_duration; 150 u_short bell_pitch; 151 u_short status; /* status (bitfield) */ 152 u_short mode; /* mode */ 153 pid_t pid; /* pid of controlling proc */ 154 struct proc *proc; /* proc* of controlling proc */ 155 struct vt_mode smode; /* switch mode */ 156} scr_stat; 157 158typedef struct default_attr { 159 int std_attr; /* normal attributes */ 160 int rev_attr; /* reverse attributes */ 161} default_attr; 162 163static default_attr user_default = { 164 (FG_LIGHTGREY | BG_BLACK) << 8, 165 (FG_BLACK | BG_LIGHTGREY) << 8 166}; 167 168static default_attr kernel_default = { 169 (FG_WHITE | BG_BLACK) << 8, 170 (FG_BLACK | BG_LIGHTGREY) << 8 171}; 172 173static scr_stat console[NCONS]; 174static scr_stat *cur_console = &console[0]; 175static scr_stat *new_scp, *old_scp; 176static term_stat kernel_console; 177static default_attr *current_default; 178static int switch_in_progress = 0; 179static u_short *crtat = 0; 180static u_int crtc_addr = MONO_BASE; 181static char crtc_vga = 0; 182static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 183static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 184static char palette[3*256]; 185static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 186static int cur_cursor_pos = -1; 187static char in_putc = 0; 188static char polling = 0; 189static int nx_scr; 190static char saved_console = -1; /* saved console number */ 191static long scrn_blank_time = 0; /* screen saver timout value */ 192static int scrn_blanked = 0; /* screen saver active flag */ 193static long scrn_time_stamp; 194static u_char scr_map[256]; 195static struct tty *cur_tty = NULL; 196 197#if defined(NetBSD) 198extern u_short *Crtat; 199struct tty *pc_tty[NCONS]; 200int ttrstrt(); 201#else 202u_short *Crtat = (u_short *)MONO_BUF; 203struct tty pccons[NCONS]; 204#define timeout_t caddr_t 205#endif 206 207extern int hz; 208extern struct timeval time; 209 210/* special characters */ 211#define cntlc 0x03 212#define cntld 0x04 213#define bs 0x08 214#define lf 0x0a 215#define cr 0x0d 216#define del 0x7f 217 218/* function prototypes */ 219int pcprobe(struct isa_device *dev); 220int pcattach(struct isa_device *dev); 221int pcopen(dev_t dev, int flag, int mode, struct proc *p); 222int pcclose(dev_t dev, int flag, int mode, struct proc *p); 223int pcread(dev_t dev, struct uio *uio, int flag); 224int pcwrite(dev_t dev, struct uio *uio, int flag); 225int pcparam(struct tty *tp, struct termios *t); 226int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 227int pcxint(dev_t dev); 228int pcstart(struct tty *tp); 229int pccnprobe(struct consdev *cp); 230int pccninit(struct consdev *cp); 231int pccnputc(dev_t dev, char c); 232int pccngetc(dev_t dev); 233int scintr(dev_t dev, int irq, int cpl); 234int pcmmap(dev_t dev, int offset, int nprot); 235u_int sgetc(int noblock); 236int getchar(void); 237static void reset_cpu(void); 238static void scrn_saver(int test); 239static struct tty *get_tty_ptr(dev_t dev); 240static scr_stat *get_scr_stat(dev_t dev); 241static int get_scr_num(scr_stat *scp); 242static void cursor_shape(int start, int end); 243static void get_cursor_shape(int *start, int *end); 244static void cursor_pos(void); 245static void clear_screen(scr_stat *scp); 246static switch_scr(u_int next_scr); 247static void exchange_scr(void); 248static void move_crsr(scr_stat *scp, int x, int y); 249static void move_up(u_short *s, u_short *d, u_int len); 250static void move_down(u_short *s, u_short *d, u_int len); 251static void scan_esc(scr_stat *scp, u_char c); 252static void ansi_put(scr_stat *scp, u_char c); 253static void scinit(void); 254static void sput(u_char c); 255static u_char *get_fstr(u_int c, u_int *len); 256static update_leds(int which); 257static void kbd_wait(void); 258static void kbd_cmd(u_char command); 259static void set_mode(scr_stat *scp); 260static void set_border(int color); 261static load_font(int segment, int size, char* font); 262static void save_palette(void); 263static void load_palette(void); 264static change_winsize(struct tty *tp, int x, int y); 265 266struct isa_driver scdriver = { 267 pcprobe, pcattach, "sc", 268}; 269 270#if !defined(NetBSD) 271void consinit(void) 272{ 273 scinit(); 274} 275#endif 276 277int pcprobe(struct isa_device *dev) 278{ 279 u_char c; 280 int again = 0; 281 282 /* Enable interrupts and keyboard controller */ 283 kbd_wait(); 284 outb(KB_STAT, KB_WRITE); 285 kbd_cmd(0x4D); 286 287 /* Start keyboard stuff RESET */ 288 kbd_cmd(KB_RESET); 289 while ((c=inb(KB_DATA)) != KB_ACK) { 290 if ((c == 0xFE) || (c == 0xFF)) { 291 if (!again) 292 printf("KEYBOARD disconnected: RECONNECT \n"); 293 kbd_cmd(KB_RESET); 294 again = 1; 295 } 296 } 297 kbd_wait(); 298 return (IO_KBDSIZE); 299} 300 301 302int pcattach(struct isa_device *dev) 303{ 304 scr_stat *scp; 305 int start = -1, end = -1, i; 306 307 printf("sc%d: ", dev->id_unit); 308 if (crtc_vga) 309 if (crtc_addr == MONO_BASE) 310 printf("VGA mono"); 311 else 312 printf("VGA color"); 313 else 314 if (crtc_addr == MONO_BASE) 315 printf("MDA/hercules"); 316 else 317 printf("CGA/EGA"); 318 319 if (NCONS > 1) 320 printf(" <%d virtual consoles>\n", NCONS); 321 else 322 printf("\n"); 323#ifdef FAT_CURSOR 324 start = 0; 325 end = 18; 326 if (crtc_vga) { 327#else 328 if (crtc_vga) { 329 get_cursor_shape(&start, &end); 330#endif 331 save_palette(); 332 load_font(0, 16, font_8x16); 333 load_font(1, 8, font_8x8); 334 load_font(2, 14, font_8x14); 335 } 336 current_default = &user_default; 337 for (i = 0; i < NCONS; i++) { 338 scp = &console[i]; 339 scp->scr = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); 340 scp->mode = TEXT80x25; 341 scp->term.esc = 0; 342 scp->term.std_attr = current_default->std_attr; 343 scp->term.rev_attr = current_default->rev_attr; 344 scp->term.attr = scp->term.std_attr; 345 scp->border = BG_BLACK; 346 scp->cursor_start = start; 347 scp->cursor_end = end; 348 scp->max_posx = COL; 349 scp->max_posy = ROW; 350 scp->bell_pitch = BELL_PITCH; 351 scp->bell_duration = BELL_DURATION; 352 scp->status = 0; 353 scp->pid = 0; 354 scp->proc = NULL; 355 scp->smode.mode = VT_AUTO; 356 if (i > 0) { 357 scp->crt_base = scp->crtat = scp->scr; 358 fillw(scp->term.attr|scr_map[0x20], scp->scr, COL*ROW); 359 } 360 } 361 /* get cursor going */ 362#ifdef FAT_CURSOR 363 cursor_shape(console[0].cursor_start, 364 console[0].cursor_end); 365#endif 366 cursor_pos(); 367} 368 369 370static struct tty *get_tty_ptr(dev_t dev) 371{ 372 int unit = minor(dev); 373 374 if (unit >= NCONS) 375 return(NULL); 376#if defined(NetBSD) 377 if (!pc_tty[unit]) 378 pc_tty[unit] = ttymalloc(); 379 return(pc_tty[unit]); 380#else 381 return(&pccons[unit]); 382#endif 383} 384 385 386static scr_stat *get_scr_stat(dev_t dev) 387{ 388 int unit = minor(dev); 389 390 if (unit >= NCONS) 391 return(NULL); 392 return(&console[unit]); 393} 394 395 396static int get_scr_num(scr_stat *scp) /* allways call with legal scp !! */ 397{ 398 int i = 0; 399 400 while ((i < NCONS) && (cur_console != &console[i])) i++; 401 return i; 402} 403 404pcopen(dev_t dev, int flag, int mode, struct proc *p) 405{ 406 struct tty *tp = get_tty_ptr(dev); 407 408 if (!tp) 409 return(ENXIO); 410 if (!cur_tty) 411 cur_tty = tp; 412 tp->t_oproc = (void*)pcstart; 413 tp->t_param = pcparam; 414 tp->t_dev = dev; 415 if ((tp->t_state & TS_ISOPEN) == 0) { 416 tp->t_state |= TS_WOPEN; 417 ttychars(tp); 418 tp->t_iflag = TTYDEF_IFLAG; 419 tp->t_oflag = TTYDEF_OFLAG; 420 tp->t_cflag = TTYDEF_CFLAG; 421 tp->t_lflag = TTYDEF_LFLAG; 422 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 423 pcparam(tp, &tp->t_termios); 424 ttsetwater(tp); 425 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 426 return(EBUSY); 427 tp->t_state |= TS_CARR_ON; 428 return((*linesw[tp->t_line].l_open)(dev, tp)); 429} 430 431 432pcclose(dev_t dev, int flag, int mode, struct proc *p) 433{ 434 struct tty *tp = get_tty_ptr(dev); 435 struct scr_stat *scp; 436 437 if (!tp) 438 return(ENXIO); 439 scp = get_scr_stat(tp->t_dev); 440 scp->pid = 0; 441 scp->proc = NULL; 442 scp->smode.mode = VT_AUTO; 443 (*linesw[tp->t_line].l_close)(tp, flag); 444 ttyclose(tp); 445 return(0); 446} 447 448 449pcread(dev_t dev, struct uio *uio, int flag) 450{ 451 struct tty *tp = get_tty_ptr(dev); 452 453 if (!tp) 454 return(ENXIO); 455 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 456} 457 458 459pcwrite(dev_t dev, struct uio *uio, int flag) 460{ 461 struct tty *tp = get_tty_ptr(dev); 462 463 if (!tp) 464 return(ENXIO); 465 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 466} 467 468 469/* 470 * Got a console interrupt, keyboard action ! 471 * Catch the character, and see who it goes to. 472 */ 473scintr(dev_t dev, int irq, int cpl) 474{ 475 int c, len; 476 u_char *cp; 477 478 /* make screensaver happy */ 479 scrn_time_stamp = time.tv_sec; 480 if (scrn_blanked) 481 scrn_saver(0); 482 483 c = sgetc(1); 484 if (!cur_tty) 485 return; 486 if ((cur_tty->t_state & TS_ISOPEN) == 0 || polling) 487 return; 488 489 switch (c & 0xff00) { 490 case 0x0000: /* normal key */ 491 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 492 break; 493 case NOKEY: /* nothing there */ 494 return; 495 case FKEY: /* function key, return string */ 496 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 497 while (len-- > 0) 498 (*linesw[cur_tty->t_line].l_rint) 499 (*cp++ & 0xFF, cur_tty); 500 } 501 break; 502 case MKEY: /* meta is active, prepend ESC */ 503 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 504 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 505 break; 506 } 507} 508 509 510/* 511 * Set line parameters 512 */ 513pcparam(struct tty *tp, struct termios *t) 514{ 515 int cflag = t->c_cflag; 516 517 /* and copy to tty */ 518 tp->t_ispeed = t->c_ispeed; 519 tp->t_ospeed = t->c_ospeed; 520 tp->t_cflag = cflag; 521 return(0); 522} 523 524 525#if defined(NetBSD) 526#define frametype struct trapframe 527#define eflags tf_eflags 528#else 529#define frametype struct syscframe 530#define eflags sf_eflags 531#endif 532 533pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 534{ 535 int i, error; 536 struct tty *tp; 537 frametype *fp; 538 scr_stat *scp; 539 540 tp = get_tty_ptr(dev); 541 if (!tp) 542 return ENXIO; 543 scp = get_scr_stat(tp->t_dev); 544 545 switch (cmd) { /* process console hardware related ioctl's */ 546 547 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 548 scrn_blank_time = *(int*)data; 549 return 0; 550 551 case CONS_80x25TEXT: /* set 80x25 text mode */ 552 if (!crtc_vga) 553 return ENXIO; 554 scp->mode = TEXT80x25; 555 scp->max_posy = 25; 556 free(scp->scr, M_DEVBUF); 557 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 558 M_DEVBUF, M_NOWAIT); 559 if (scp != cur_console) 560 scp->crt_base = scp->scr; 561 set_mode(scp); 562 clear_screen(scp); 563 change_winsize(tp, scp->max_posx, scp->max_posy); 564 return 0; 565 566 case CONS_80x50TEXT: /* set 80x50 text mode */ 567 if (!crtc_vga) 568 return ENXIO; 569 scp->mode = TEXT80x50; 570 scp->max_posy = 50; 571 free(scp->scr, M_DEVBUF); 572 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 573 M_DEVBUF, M_NOWAIT); 574 if (scp != cur_console) 575 scp->crt_base = scp->scr; 576 set_mode(scp); 577 clear_screen(scp); 578 change_winsize(tp, scp->max_posx, scp->max_posy); 579 return 0; 580 581 case CONS_GETVERS: /* get version number */ 582 *(int*)data = 0x100; /* version 1.0 */ 583 return 0; 584 585 case CONS_GETINFO: /* get current (virtual) console info */ 586 if (*data == sizeof(struct vid_info)) { 587 vid_info_t *ptr = (vid_info_t*)data; 588 ptr->m_num = get_scr_num(scp); 589 ptr->mv_col = scp->posx; 590 ptr->mv_row = scp->posy; 591 ptr->mv_csz = scp->max_posx; 592 ptr->mv_rsz = scp->max_posy; 593 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 594 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 595 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 596 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 597 ptr->mv_grfc.fore = 0; /* not supported */ 598 ptr->mv_grfc.back = 0; /* not supported */ 599 ptr->mv_ovscan = scp->border; 600 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 601 return 0; 602 } 603 return EINVAL; 604 605 case VT_SETMODE: /* set screen switcher mode */ 606 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 607 if (scp->smode.mode == VT_PROCESS) { 608 scp->proc = p; 609 scp->pid = scp->proc->p_pid; 610 } 611 return 0; 612 613 case VT_GETMODE: /* get screen switcher mode */ 614 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 615 return 0; 616 617 case VT_RELDISP: /* screen switcher ioctl */ 618 switch(*data) { 619 case VT_FALSE: /* user refuses to release screen, abort */ 620 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 621 old_scp->status &= ~SWITCH_WAIT_REL; 622 switch_in_progress = 0; 623 return 0; 624 } 625 return EINVAL; 626 627 case VT_TRUE: /* user has released screen, go on */ 628 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 629 scp->status &= ~SWITCH_WAIT_REL; 630 exchange_scr(); 631 if (new_scp->smode.mode == VT_PROCESS) { 632 new_scp->status |= SWITCH_WAIT_ACQ; 633 psignal(new_scp->proc, 634 new_scp->smode.acqsig); 635 } 636 else 637 switch_in_progress = 0; 638 return 0; 639 } 640 return EINVAL; 641 642 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 643 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 644 scp->status &= ~SWITCH_WAIT_ACQ; 645 switch_in_progress = 0; 646 return 0; 647 } 648 return EINVAL; 649 650 default: 651 return EINVAL; 652 } 653 /* NOT REACHED */ 654 655 case VT_OPENQRY: /* return free virtual console */ 656 for (i = 0; i < NCONS; i++) 657#if defined(NetBSD) 658 if (!(pc_tty[i]->t_state & TS_ISOPEN)) { 659#else 660 if (!(pccons[i].t_state & TS_ISOPEN)) { 661#endif 662 *data = i + 1; 663 return 0; 664 } 665 return EINVAL; 666 /* NOT REACHED */ 667 668 case VT_ACTIVATE: /* switch to screen *data */ 669 return switch_scr((*data) - 1); 670 671 case VT_WAITACTIVE: /* wait for switch to occur */ 672 if (*data > NCONS) 673 return EINVAL; 674 if (minor(dev) == (*data) - 1) 675 return 0; 676 if (*data == 0) { 677 if (scp == cur_console) 678 return 0; 679 while ((error=tsleep((caddr_t)&scp->smode, 680 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 681 } 682 else 683 while ((error=tsleep( 684 (caddr_t)&console[*data].smode, 685 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 686 return error; 687 688 case VT_GETACTIVE: 689 *data = get_scr_num(scp)+1; 690 return 0; 691 692 case KDENABIO: /* allow io operations */ 693 fp = (frametype *)p->p_regs; 694 fp->eflags |= PSL_IOPL; 695 return 0; 696 697 case KDDISABIO: /* disallow io operations (default) */ 698 fp = (frametype *)p->p_regs; 699 fp->eflags &= ~PSL_IOPL; 700 return 0; 701 702 case KDSETMODE: /* set current mode of this (virtual) console */ 703 switch (*data) { 704 case KD_TEXT: /* switch to TEXT (known) mode */ 705 /* restore fonts & palette ! */ 706 if (crtc_vga) { 707 load_font(0, 16, font_8x16); 708 load_font(1, 8, font_8x8); 709 load_font(2, 14, font_8x14); 710 load_palette(); 711 } 712 /* FALL THROUGH */ 713 714 case KD_TEXT1: /* switch to TEXT (known) mode */ 715 /* no restore fonts & palette */ 716 scp->status &= ~UNKNOWN_MODE; 717 set_mode(scp); 718 clear_screen(scp); 719 return 0; 720 721 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 722 scp->status |= UNKNOWN_MODE; 723 return 0; 724 default: 725 return EINVAL; 726 } 727 /* NOT REACHED */ 728 729 case KDGETMODE: /* get current mode of this (virtual) console */ 730 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 731 return 0; 732 733 case KDSBORDER: /* set border color of this (virtual) console */ 734 if (!crtc_vga) 735 return ENXIO; 736 scp->border = *data; 737 if (scp == cur_console) 738 set_border(scp->border); 739 return 0; 740 741 case KDSKBSTATE: /* set keyboard state (locks) */ 742 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 743 scp->status &= ~LOCK_KEY_MASK; 744 scp->status |= *data; 745 if (scp == cur_console) 746 update_leds(scp->status & LED_MASK); 747 return 0; 748 } 749 return EINVAL; 750 751 case KDGKBSTATE: /* get keyboard state (locks) */ 752 *data = scp->status & LOCK_KEY_MASK; 753 return 0; 754 755 case KDSETRAD: /* set keyboard repeat & delay rates */ 756 if (*(u_char*)data < 0x80) { 757 kbd_cmd(KB_SETRAD); 758 kbd_cmd(*data & 0x7f); 759 return 0; 760 } 761 return EINVAL; 762 763 case KDSKBMODE: /* set keyboard mode */ 764 switch (*data) { 765 case K_RAW: /* switch to RAW scancode mode */ 766 scp->status |= KBD_RAW_MODE; 767 return 0; 768 769 case K_XLATE: /* switch to XLT ascii mode */ 770 scp->status &= ~KBD_RAW_MODE; 771 return 0; 772 default: 773 return EINVAL; 774 } 775 /* NOT REACHED */ 776 777 case KDGKBMODE: /* get keyboard mode */ 778 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 779 return 0; 780 781 case KDMKTONE: /* sound the bell */ 782 if (scp == cur_console) 783 sysbeep(scp->bell_pitch, scp->bell_duration); 784 return 0; 785 786 case KIOCSOUND: /* make tone (*data) hz */ 787 if (scp == cur_console) { 788 if (*(int*)data) { 789 int pitch = TIMER_FREQ/(*(int*)data); 790 /* enable counter 2 */ 791 outb(0x61, inb(0x61) | 3); 792 /* set command for counter 2, 2 byte write */ 793 outb(TIMER_MODE, 794 TIMER_SEL2|TIMER_16BIT|TIMER_SQWAVE); 795 /* set pitch */ 796 outb(TIMER_CNTR2, pitch); 797 outb(TIMER_CNTR2, (pitch>>8)); 798 } 799 else { 800 /* disable counter 2 */ 801 outb(0x61, inb(0x61) & 0xFC); 802 } 803 } 804 return 0; 805 806 case KDGKBTYPE: /* get keyboard type */ 807 *data = 0; /* type not known (yet) */ 808 return 0; 809 810 case KDSETLED: /* set keyboard LED status */ 811 if (*data >= 0 && *data <= LED_MASK) { 812 scp->status &= ~LED_MASK; 813 scp->status |= *data; 814 if (scp == cur_console) 815 update_leds(scp->status & LED_MASK); 816 return 0; 817 } 818 return EINVAL; 819 820 case KDGETLED: /* get keyboard LED status */ 821 *data = scp->status & LED_MASK; 822 return 0; 823 824 case GETFKEY: /* get functionkey string */ 825 if (*(u_short*)data < n_fkey_tab) { 826 fkeyarg_t *ptr = (fkeyarg_t*)data; 827 bcopy(&fkey_tab[ptr->keynum].str, 828 ptr->keydef, 829 fkey_tab[ptr->keynum].len); 830 ptr->flen = fkey_tab[ptr->keynum].len; 831 return 0; 832 } 833 else 834 return EINVAL; 835 836 case SETFKEY: /* set functionkey string */ 837 if (*(u_short*)data < n_fkey_tab) { 838 fkeyarg_t *ptr = (fkeyarg_t*)data; 839 bcopy(ptr->keydef, 840 &fkey_tab[ptr->keynum].str, 841 min(ptr->flen, MAXFK)); 842 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 843 return 0; 844 } 845 else 846 return EINVAL; 847 848 case GIO_SCRNMAP: /* get output translation table */ 849 bcopy(&scr_map, data, sizeof(scr_map)); 850 return 0; 851 852 case PIO_SCRNMAP: /* set output translation table */ 853 bcopy(data, &scr_map, sizeof(scr_map)); 854 return 0; 855 856 case GIO_KEYMAP: /* get keyboard translation table */ 857 bcopy(&key_map, data, sizeof(key_map)); 858 return 0; 859 860 case PIO_KEYMAP: /* set keyboard translation table */ 861 bcopy(data, &key_map, sizeof(key_map)); 862 return 0; 863 864 case PIO_FONT8x8: /* set 8x8 dot font */ 865 if (!crtc_vga) 866 return ENXIO; 867 bcopy(data, &font_8x8, sizeof(font_8x8)); 868 load_font(1, 8, font_8x8); 869 return 0; 870 871 case GIO_FONT8x8: /* get 8x8 dot font */ 872 if (!crtc_vga) 873 return ENXIO; 874 bcopy(&font_8x8, data, sizeof(font_8x8)); 875 return 0; 876 877 case PIO_FONT8x14: /* set 8x14 dot font */ 878 if (!crtc_vga) 879 return ENXIO; 880 bcopy(data, &font_8x14, sizeof(font_8x14)); 881 load_font(2, 14, font_8x14); 882 return 0; 883 884 case GIO_FONT8x14: /* get 8x14 dot font */ 885 if (!crtc_vga) 886 return ENXIO; 887 bcopy(&font_8x14, data, sizeof(font_8x14)); 888 return 0; 889 890 case PIO_FONT8x16: /* set 8x16 dot font */ 891 if (!crtc_vga) 892 return ENXIO; 893 bcopy(data, &font_8x16, sizeof(font_8x16)); 894 load_font(0, 16, font_8x16); 895 return 0; 896 897 case GIO_FONT8x16: /* get 8x16 dot font */ 898 if (!crtc_vga) 899 return ENXIO; 900 bcopy(&font_8x16, data, sizeof(font_8x16)); 901 return 0; 902 903 case CONSOLE_X_MODE_ON: /* just to be compatible */ 904 if (saved_console < 0) { 905 saved_console = get_scr_num(cur_console); 906 switch_scr(minor(dev)); 907 fp = (frametype *)p->p_regs; 908 fp->eflags |= PSL_IOPL; 909 scp->status |= UNKNOWN_MODE; 910 scp->status |= KBD_RAW_MODE; 911 return 0; 912 } 913 return EAGAIN; 914 915 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 916 fp = (frametype *)p->p_regs; 917 fp->eflags &= ~PSL_IOPL; 918 if (crtc_vga) { 919 load_font(0, 16, font_8x16); 920 load_font(1, 8, font_8x8); 921 load_font(2, 14, font_8x14); 922 load_palette(); 923 } 924 scp->status &= ~UNKNOWN_MODE; 925 set_mode(scp); 926 clear_screen(scp); 927 scp->status &= ~KBD_RAW_MODE; 928 switch_scr(saved_console); 929 saved_console = -1; 930 return 0; 931 932 case CONSOLE_X_BELL: /* more compatibility */ 933 /* 934 * if set, data is a pointer to a length 2 array of 935 * integers. data[0] is the pitch in Hz and data[1] 936 * is the duration in msec. 937 */ 938 if (data) 939 sysbeep(TIMER_FREQ/((int*)data)[0], 940 ((int*)data)[1]*hz/3000); 941 else 942 sysbeep(scp->bell_pitch, scp->bell_duration); 943 return 0; 944 945 default: 946 break; 947 } 948 949 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 950 if (error >= 0) 951 return(error); 952 error = ttioctl(tp, cmd, data, flag); 953 if (error >= 0) 954 return(error); 955 return(ENOTTY); 956} 957 958 959pcxint(dev_t dev) 960{ 961 int unit = minor(dev); 962 963#if defined(NetBSD) 964 if (!pc_tty[unit]) 965 return; 966 pc_tty[unit]->t_state &= ~TS_BUSY; 967 if (pc_tty[unit]->t_line) 968 (*linesw[pc_tty[unit]->t_line].l_start)(pc_tty[unit]); 969 else 970 pcstart(pc_tty[unit]); 971#else 972 pccons[unit].t_state &= ~TS_BUSY; 973 if (pccons[unit].t_line) 974 (*linesw[pccons[unit].t_line].l_start)(&pccons[unit]); 975 else 976 pcstart(&pccons[unit]); 977#endif 978} 979 980 981pcstart(struct tty *tp) 982{ 983#if defined(NetBSD) 984 struct clist *rbp; 985 int i, s, len; 986 u_char buf[PCBURST]; 987 scr_stat *scp = get_scr_stat(tp->t_dev); 988 989 if (scp->status & SLKED) 990 return; 991 s = spltty(); 992 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 993 tp->t_state |= TS_BUSY; 994 splx(s); 995 rbp = &tp->t_outq; 996 len = q_to_b(rbp, buf, PCBURST); 997 for (i=0; i<len; i++) 998 if (buf[i]) ansi_put(scp, buf[i]); 999 s = spltty(); 1000 tp->t_state &= ~TS_BUSY; 1001 if (rbp->c_cc) { 1002 tp->t_state |= TS_TIMEOUT; 1003 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1004 } 1005 if (rbp->c_cc <= tp->t_lowat) { 1006 if (tp->t_state & TS_ASLEEP) { 1007 tp->t_state &= ~TS_ASLEEP; 1008 wakeup((caddr_t)rbp); 1009 } 1010 selwakeup(&tp->t_wsel); 1011 } 1012 1013 } 1014 splx(s); 1015#else 1016 int c, s; 1017 scr_stat *scp = get_scr_stat(tp->t_dev); 1018 1019 s = spltty(); 1020 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 1021 for (;;) { 1022 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 1023 if (tp->t_state & TS_ASLEEP) { 1024 tp->t_state &= ~TS_ASLEEP; 1025 wakeup((caddr_t)&tp->t_out); 1026 } 1027 if (tp->t_wsel) { 1028 selwakeup(tp->t_wsel, 1029 tp->t_state & TS_WCOLL); 1030 tp->t_wsel = 0; 1031 tp->t_state &= ~TS_WCOLL; 1032 } 1033 } 1034 if (RB_LEN(&tp->t_out) == 0) 1035 break; 1036 if (scp->status & SLKED) 1037 break; 1038 c = getc(&tp->t_out); 1039 tp->t_state |= TS_BUSY; 1040 splx(s); 1041 ansi_put(scp, c); 1042 s = spltty(); 1043 tp->t_state &= ~TS_BUSY; 1044 } 1045 splx(s); 1046#endif 1047} 1048 1049 1050pccnprobe(struct consdev *cp) 1051{ 1052 int maj; 1053 1054 /* locate the major number */ 1055 for (maj = 0; maj < nchrdev; maj++) 1056 if (cdevsw[maj].d_open == pcopen) 1057 break; 1058 1059 /* initialize required fields */ 1060 cp->cn_dev = makedev(maj, 0); 1061#if !defined(NetBSD) 1062 cp->cn_tp = &pccons[0]; 1063#endif 1064 cp->cn_pri = CN_INTERNAL; 1065} 1066 1067 1068pccninit(struct consdev *cp) 1069{ 1070 scinit(); 1071} 1072 1073 1074pccnputc(dev_t dev, char c) 1075{ 1076 int pos; 1077 1078 if (cur_console->status & UNKNOWN_MODE) 1079 return; 1080 if (c == '\n') 1081 sput('\r'); 1082 sput(c); 1083 pos = cur_console->crtat - cur_console->crt_base; 1084 if (pos != cur_cursor_pos) { 1085 cur_cursor_pos = pos; 1086 outb(crtc_addr,14); 1087 outb(crtc_addr+1,pos >> 8); 1088 outb(crtc_addr,15); 1089 outb(crtc_addr+1,pos&0xff); 1090 } 1091} 1092 1093 1094pccngetc(dev_t dev) 1095{ 1096 int c, s; 1097 1098 s = spltty(); /* block scintr while we poll */ 1099 c = sgetc(0); 1100 splx(s); 1101 if (c == '\r') c = '\n'; 1102 return(c); 1103} 1104 1105#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1106 1107static void scrn_saver(int test) 1108{ 1109 u_char val; 1110 1111 if (test) { 1112 scrn_blanked = 1; 1113 outb(TSIDX, 0x01); val = inb(TSREG); 1114 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1115 } 1116 else { 1117 scrn_blanked = 0; 1118 outb(TSIDX, 0x01); val = inb(TSREG); 1119 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1120 } 1121} 1122#endif 1123#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1124 1125static u_long rand_next = 1; 1126 1127static rand() 1128{ 1129 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1130} 1131#endif 1132#ifdef STAR_SAVER 1133/* 1134 * Alternate saver that got its inspiration from a well known utility 1135 * package for an unfamous OS. 1136 */ 1137 1138#define NUM_STARS 50 1139 1140static void scrn_saver(int test) 1141{ 1142 scr_stat *scp = cur_console; 1143 int cell, i; 1144 char pattern[] = {"...........++++*** "}; 1145 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1146 FG_WHITE, FG_LIGHTCYAN}; 1147 static u_short stars[NUM_STARS][2]; 1148 1149 if (test) { 1150 if (!scrn_blanked) { 1151 bcopy(Crtat, scp->scr, 1152 scp->max_posx * scp->max_posy * 2); 1153 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1154 scp->max_posx * scp->max_posy); 1155 set_border(0); 1156 i = scp->max_posy * scp->max_posx + 5; 1157 outb(crtc_addr, 14); 1158 outb(crtc_addr+1, i >> 8); 1159 outb(crtc_addr, 15); 1160 outb(crtc_addr+1, i & 0xff); 1161 scrn_blanked = 1; 1162 for(i=0; i<NUM_STARS; i++) { 1163 stars[i][0] = 1164 rand() % (scp->max_posx*scp->max_posy); 1165 stars[i][1] = 0; 1166 } 1167 } 1168 cell = rand() % NUM_STARS; 1169 *((u_short*)(Crtat + stars[cell][0])) = 1170 scr_map[pattern[stars[cell][1]]] | 1171 colors[rand()%sizeof(colors)] << 8; 1172 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1173 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1174 stars[cell][1] = 0; 1175 } 1176 } 1177 else { 1178 if (scrn_blanked) { 1179 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1180 cur_cursor_pos = -1; 1181 set_border(scp->border); 1182 scrn_blanked = 0; 1183 } 1184 } 1185} 1186#endif 1187#ifdef SNAKE_SAVER 1188/* 1189 * alternative screen saver for cards that do not like blanking 1190 */ 1191 1192static void scrn_saver(int test) 1193{ 1194 const char saves[] = {"FreeBSD"}; 1195 static u_char *savs[sizeof(saves)-1]; 1196 static int dirx, diry; 1197 int f; 1198 scr_stat *scp = cur_console; 1199 1200 if (test) { 1201 if (!scrn_blanked) { 1202 bcopy(Crtat, scp->scr, 1203 scp->max_posx * scp->max_posy * 2); 1204 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1205 scp->max_posx * scp->max_posy); 1206 set_border(0); 1207 dirx = (scp->posx ? 1 : -1); 1208 diry = (scp->posy ? 1209 scp->max_posx : -scp->max_posx); 1210 for (f=0; f< sizeof(saves)-1; f++) 1211 savs[f] = (u_char *)Crtat + 2 * 1212 (scp->posx+scp->posy*scp->max_posx); 1213 *(savs[0]) = scr_map[*saves]; 1214 f = scp->max_posy * scp->max_posx + 5; 1215 outb(crtc_addr, 14); 1216 outb(crtc_addr+1, f >> 8); 1217 outb(crtc_addr, 15); 1218 outb(crtc_addr+1, f & 0xff); 1219 scrn_blanked = 1; 1220 } 1221 if (scrn_blanked++ < 4) 1222 return; 1223 scrn_blanked = 1; 1224 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1225 for (f=sizeof(saves)-2; f > 0; f--) 1226 savs[f] = savs[f-1]; 1227 f = (savs[0] - (u_char *)Crtat) / 2; 1228 if ((f % scp->max_posx) == 0 || 1229 (f % scp->max_posx) == scp->max_posx - 1 || 1230 (rand() % 50) == 0) 1231 dirx = -dirx; 1232 if ((f / scp->max_posx) == 0 || 1233 (f / scp->max_posx) == scp->max_posy - 1 || 1234 (rand() % 20) == 0) 1235 diry = -diry; 1236 savs[0] += 2*dirx + 2*diry; 1237 for (f=sizeof(saves)-2; f>=0; f--) 1238 *(savs[f]) = scr_map[saves[f]]; 1239 } 1240 else { 1241 if (scrn_blanked) { 1242 bcopy(scp->scr, Crtat, 1243 scp->max_posx * scp->max_posy * 2); 1244 cur_cursor_pos = -1; 1245 set_border(scp->border); 1246 scrn_blanked = 0; 1247 } 1248 } 1249} 1250#endif 1251 1252static void cursor_shape(int start, int end) 1253{ 1254 outb(crtc_addr, 10); 1255 outb(crtc_addr+1, start & 0xFF); 1256 outb(crtc_addr, 11); 1257 outb(crtc_addr+1, end & 0xFF); 1258} 1259 1260 1261static void get_cursor_shape(int *start, int *end) 1262{ 1263 outb(crtc_addr, 10); 1264 *start = inb(crtc_addr+1) & 0x1F; 1265 outb(crtc_addr, 11); 1266 *end = inb(crtc_addr+1) & 0x1F; 1267} 1268 1269 1270static void cursor_pos(void) 1271{ 1272 int pos; 1273 1274 if (cur_console->status & UNKNOWN_MODE) 1275 return; 1276 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1277 scrn_saver(1); 1278 pos = cur_console->crtat - cur_console->crt_base; 1279 if (!scrn_blanked && pos != cur_cursor_pos) { 1280 cur_cursor_pos = pos; 1281 outb(crtc_addr, 14); 1282 outb(crtc_addr+1, pos>>8); 1283 outb(crtc_addr, 15); 1284 outb(crtc_addr+1, pos&0xff); 1285 } 1286 timeout((timeout_t)cursor_pos, 0, hz/20); 1287} 1288 1289 1290static void clear_screen(scr_stat *scp) 1291{ 1292 move_crsr(scp, 0, 0); 1293 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1294 scp->max_posx * scp->max_posy); 1295} 1296 1297 1298static switch_scr(u_int next_scr) 1299{ 1300 if (in_putc) { /* don't switch if in putc */ 1301 nx_scr = next_scr+1; 1302 return 0; 1303 } 1304 if (switch_in_progress && 1305 (cur_console->proc != pfind(cur_console->pid))) 1306 switch_in_progress = 0; 1307 if (next_scr >= NCONS || switch_in_progress) { 1308 sysbeep(BELL_PITCH, BELL_DURATION); 1309 return -1; 1310 } 1311 switch_in_progress = 1; 1312 old_scp = cur_console; 1313 new_scp = &console[next_scr]; 1314 wakeup((caddr_t)&new_scp->smode); 1315 if (new_scp == old_scp) { 1316 switch_in_progress = 0; 1317 return 0; 1318 } 1319 1320 /* has controlling process died? */ 1321 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1322 old_scp->smode.mode = VT_AUTO; 1323 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1324 new_scp->smode.mode = VT_AUTO; 1325 1326 /* check the modes and switch approbiatly */ 1327 if (old_scp->smode.mode == VT_PROCESS) { 1328 old_scp->status |= SWITCH_WAIT_REL; 1329 psignal(old_scp->proc, old_scp->smode.relsig); 1330 } 1331 else { 1332 exchange_scr(); 1333 if (new_scp->smode.mode == VT_PROCESS) { 1334 new_scp->status |= SWITCH_WAIT_ACQ; 1335 psignal(new_scp->proc, new_scp->smode.acqsig); 1336 } 1337 else 1338 switch_in_progress = 0; 1339 } 1340 return 0; 1341} 1342 1343 1344static void exchange_scr(void) 1345{ 1346 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1347 old_scp->crt_base = old_scp->scr; 1348 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1349 cur_console = new_scp; 1350#if defined(NetBSD) 1351 cur_tty = pc_tty[get_scr_num(new_scp)]; 1352#else 1353 cur_tty = &pccons[get_scr_num(new_scp)]; 1354#endif 1355 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1356 shfts = ctls = alts = agrs = metas = 0; 1357 update_leds(new_scp->status & LED_MASK); 1358 set_mode(new_scp); 1359 new_scp->crt_base = Crtat; 1360 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1361 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1362 nx_scr = 0; 1363} 1364 1365 1366static void move_crsr(scr_stat *scp, int x, int y) 1367{ 1368 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1369 return; 1370 scp->posx = x; 1371 scp->posy = y; 1372 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1373} 1374 1375 1376static void move_up(u_short *s, u_short *d, u_int len) 1377{ 1378 s += len; 1379 d += len; 1380 while (len-- > 0) 1381 *--d = *--s; 1382} 1383 1384 1385static void move_down(u_short *s, u_short *d, u_int len) 1386{ 1387 while (len-- > 0) 1388 *d++ = *s++; 1389} 1390 1391 1392static void scan_esc(scr_stat *scp, u_char c) 1393{ 1394 static u_char ansi_col[16] = 1395 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1396 int i, n; 1397 u_short *src, *dst, count; 1398 1399 if (scp->term.esc == 1) { 1400 switch (c) { 1401 1402 case '[': /* Start ESC [ sequence */ 1403 scp->term.esc = 2; 1404 scp->term.last_par = -1; 1405 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1406 scp->term.par[i] = 1; 1407 scp->term.n_par = 0; 1408 return; 1409 1410 case 'M': /* Move cursor up 1 line, scroll if at top */ 1411 if (scp->posy > 0) 1412 move_crsr(scp, scp->posx, scp->posy - 1); 1413 else { 1414 move_up(scp->crt_base, 1415 scp->crt_base + scp->max_posx, 1416 (scp->max_posy - 1) * scp->max_posx); 1417 fillw(scp->term.attr | scr_map[0x20], 1418 scp->crt_base, scp->max_posx); 1419 } 1420 break; 1421#if notyet 1422 case 'Q': 1423 scp->term.esc = 4; 1424 break; 1425#endif 1426 case 'c': /* Clear screen & home */ 1427 clear_screen(scp); 1428 break; 1429 } 1430 } 1431 else if (scp->term.esc == 2) { 1432 if (c >= '0' && c <= '9') { 1433 if (scp->term.n_par < MAX_ESC_PAR) { 1434 if (scp->term.last_par != scp->term.n_par) { 1435 scp->term.last_par = scp->term.n_par; 1436 scp->term.par[scp->term.n_par] = 0; 1437 } 1438 else 1439 scp->term.par[scp->term.n_par] *= 10; 1440 scp->term.par[scp->term.n_par] += c - '0'; 1441 return; 1442 } 1443 } 1444 scp->term.n_par = scp->term.last_par + 1; 1445 switch (c) { 1446 1447 case ';': 1448 if (scp->term.n_par < MAX_ESC_PAR) 1449 return; 1450 break; 1451 1452 case '=': 1453 scp->term.esc = 3; 1454 scp->term.last_par = -1; 1455 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1456 scp->term.par[i] = 1; 1457 scp->term.n_par = 0; 1458 return; 1459 1460 case 'A': /* up n rows */ 1461 n = scp->term.par[0]; if (n < 1) n = 1; 1462 move_crsr(scp, scp->posx, scp->posy - n); 1463 break; 1464 1465 case 'B': /* down n rows */ 1466 n = scp->term.par[0]; if (n < 1) n = 1; 1467 move_crsr(scp, scp->posx, scp->posy + n); 1468 break; 1469 1470 case 'C': /* right n columns */ 1471 n = scp->term.par[0]; if (n < 1) n = 1; 1472 move_crsr(scp, scp->posx + n, scp->posy); 1473 break; 1474 1475 case 'D': /* left n columns */ 1476 n = scp->term.par[0]; if (n < 1) n = 1; 1477 move_crsr(scp, scp->posx - n, scp->posy); 1478 break; 1479 1480 case 'E': /* cursor to start of line n lines down */ 1481 n = scp->term.par[0]; if (n < 1) n = 1; 1482 move_crsr(scp, 0, scp->posy + n); 1483 break; 1484 1485 case 'F': /* cursor to start of line n lines up */ 1486 n = scp->term.par[0]; if (n < 1) n = 1; 1487 move_crsr(scp, 0, scp->posy - n); 1488 break; 1489 1490 case 'f': /* System V consoles .. */ 1491 case 'H': /* Cursor move */ 1492 if (scp->term.n_par == 0) 1493 move_crsr(scp, 0, 0); 1494 else if (scp->term.n_par == 2) 1495 move_crsr(scp, scp->term.par[1] - 1, 1496 scp->term.par[0] - 1); 1497 break; 1498 1499 case 'J': /* Clear all or part of display */ 1500 if (scp->term.n_par == 0) 1501 n = 0; 1502 else 1503 n = scp->term.par[0]; 1504 switch (n) { 1505 case 0: /* clear form cursor to end of display */ 1506 fillw(scp->term.attr | scr_map[0x20], 1507 scp->crtat, scp->crt_base + 1508 scp->max_posx * scp->max_posy - 1509 scp->crtat); 1510 break; 1511 case 1: /* clear from beginning of display to cursor */ 1512 fillw(scp->term.attr | scr_map[0x20], 1513 scp->crt_base, 1514 scp->crtat - scp->crt_base); 1515 break; 1516 case 2: /* clear entire display */ 1517 clear_screen(scp); 1518 break; 1519 } 1520 break; 1521 1522 case 'K': /* Clear all or part of line */ 1523 if (scp->term.n_par == 0) 1524 n = 0; 1525 else 1526 n = scp->term.par[0]; 1527 switch (n) { 1528 case 0: /* clear form cursor to end of line */ 1529 fillw(scp->term.attr | scr_map[0x20], 1530 scp->crtat, scp->max_posx - scp->posx); 1531 break; 1532 case 1: /* clear from beginning of line to cursor */ 1533 fillw(scp->term.attr|scr_map[0x20], 1534 scp->crtat - (scp->max_posx - scp->posx), 1535 (scp->max_posx - scp->posx) + 1); 1536 break; 1537 case 2: /* clear entire line */ 1538 fillw(scp->term.attr|scr_map[0x20], 1539 scp->crtat - (scp->max_posx - scp->posx), 1540 scp->max_posx); 1541 break; 1542 } 1543 break; 1544 1545 case 'L': /* Insert n lines */ 1546 n = scp->term.par[0]; if (n < 1) n = 1; 1547 if (n > scp->max_posy - scp->posy) 1548 n = scp->max_posy - scp->posy; 1549 src = scp->crt_base + scp->posy * scp->max_posx; 1550 dst = src + n * scp->max_posx; 1551 count = scp->max_posy - (scp->posy + n); 1552 move_up(src, dst, count * scp->max_posx); 1553 fillw(scp->term.attr | scr_map[0x20], src, 1554 n * scp->max_posx); 1555 break; 1556 1557 case 'M': /* Delete n lines */ 1558 n = scp->term.par[0]; if (n < 1) n = 1; 1559 if (n > scp->max_posy - scp->posy) 1560 n = scp->max_posy - scp->posy; 1561 dst = scp->crt_base + scp->posy * scp->max_posx; 1562 src = dst + n * scp->max_posx; 1563 count = scp->max_posy - (scp->posy + n); 1564 move_down(src, dst, count * scp->max_posx); 1565 src = dst + count * scp->max_posx; 1566 fillw(scp->term.attr | scr_map[0x20], src, 1567 n * scp->max_posx); 1568 break; 1569 1570 case 'P': /* Delete n chars */ 1571 n = scp->term.par[0]; if (n < 1) n = 1; 1572 if (n > scp->max_posx - scp->posx) 1573 n = scp->max_posx - scp->posx; 1574 dst = scp->crtat; 1575 src = dst + n; 1576 count = scp->max_posx - (scp->posx + n); 1577 move_down(src, dst, count); 1578 src = dst + count; 1579 fillw(scp->term.attr | scr_map[0x20], src, n); 1580 break; 1581 1582 case '@': /* Insert n chars */ 1583 n = scp->term.par[0]; if (n < 1) n = 1; 1584 if (n > scp->max_posx - scp->posx) 1585 n = scp->max_posx - scp->posx; 1586 src = scp->crtat; 1587 dst = src + n; 1588 count = scp->max_posx - (scp->posx + n); 1589 move_up(src, dst, count); 1590 fillw(scp->term.attr | scr_map[0x20], src, n); 1591 break; 1592 1593 case 'S': /* scroll up n lines */ 1594 n = scp->term.par[0]; if (n < 1) n = 1; 1595 bcopy(scp->crt_base + (scp->max_posx * n), 1596 scp->crt_base, 1597 scp->max_posx * (scp->max_posy - n) * 1598 sizeof(u_short)); 1599 fillw(scp->term.attr | scr_map[0x20], 1600 scp->crt_base + scp->max_posx * 1601 (scp->max_posy - 1), 1602 scp->max_posx); 1603 break; 1604 1605 case 'T': /* scroll down n lines */ 1606 n = scp->term.par[0]; if (n < 1) n = 1; 1607 bcopy(scp->crt_base, 1608 scp->crt_base + (scp->max_posx * n), 1609 scp->max_posx * (scp->max_posy - n) * 1610 sizeof(u_short)); 1611 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1612 scp->max_posx); 1613 break; 1614 1615 case 'X': /* delete n characters in line */ 1616 n = scp->term.par[0]; if (n < 1) n = 1; 1617 fillw(scp->term.attr | scr_map[0x20], 1618 scp->crt_base + scp->posx + 1619 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1620 break; 1621 1622 case 'Z': /* move n tabs backwards */ 1623 n = scp->term.par[0]; if (n < 1) n = 1; 1624 if ((i = scp->posx & 0xf8) == scp->posx) 1625 i -= 8*n; 1626 else 1627 i -= 8*(n-1); 1628 if (i < 0) 1629 i = 0; 1630 move_crsr(scp, i, scp->posy); 1631 break; 1632 1633 case '`': /* move cursor to column n */ 1634 n = scp->term.par[0]; if (n < 1) n = 1; 1635 move_crsr(scp, n, scp->posy); 1636 break; 1637 1638 case 'a': /* move cursor n columns to the right */ 1639 n = scp->term.par[0]; if (n < 1) n = 1; 1640 move_crsr(scp, scp->posx + n, scp->posy); 1641 break; 1642 1643 case 'd': /* move cursor to row n */ 1644 n = scp->term.par[0]; if (n < 1) n = 1; 1645 move_crsr(scp, scp->posx, n); 1646 break; 1647 1648 case 'e': /* move cursor n rows down */ 1649 n = scp->term.par[0]; if (n < 1) n = 1; 1650 move_crsr(scp, scp->posx, scp->posy + n); 1651 break; 1652 1653 case 'm': /* change attribute */ 1654 if (scp->term.n_par == 0) 1655 n = 0; 1656 else 1657 n = scp->term.par[0]; 1658 switch (n) { 1659 case 0: /* back to normal */ 1660 scp->term.attr = scp->term.std_attr; 1661 break; 1662 case 1: /* highlight (bold) */ 1663 scp->term.attr &= 0xFF00; 1664 scp->term.attr |= 0x0800; 1665 break; 1666 case 4: /* highlight (underline) */ 1667 scp->term.attr &= 0x0F00; 1668 scp->term.attr |= 0x0800; 1669 break; 1670 case 5: /* blink */ 1671 scp->term.attr &= 0xFF00; 1672 scp->term.attr |= 0x8000; 1673 break; 1674 case 7: /* reverse video */ 1675 scp->term.attr = scp->term.rev_attr; 1676 break; 1677 case 30: case 31: case 32: case 33: /* set fg color */ 1678 case 34: case 35: case 36: case 37: 1679 scp->term.attr = (scp->term.attr & 0xF0FF) 1680 | (ansi_col[(n - 30) & 7] << 8); 1681 break; 1682 case 40: case 41: case 42: case 43: /* set bg color */ 1683 case 44: case 45: case 46: case 47: 1684 scp->term.attr = (scp->term.attr & 0x0FFF) 1685 | (ansi_col[(n - 40) & 7] << 12); 1686 break; 1687 } 1688 break; 1689 1690 case 'x': 1691 if (scp->term.n_par == 0) 1692 n = 0; 1693 else 1694 n = scp->term.par[0]; 1695 switch (n) { 1696 case 0: /* reset attributes */ 1697 scp->term.attr = scp->term.std_attr = 1698 current_default->std_attr; 1699 scp->term.rev_attr = current_default->rev_attr; 1700 break; 1701 case 1: /* set ansi background */ 1702 scp->term.attr = scp->term.std_attr = 1703 (scp->term.std_attr & 0x0F00) | 1704 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1705 break; 1706 case 2: /* set ansi foreground */ 1707 scp->term.attr = scp->term.std_attr = 1708 (scp->term.std_attr & 0xF000) | 1709 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1710 break; 1711 case 3: /* set ansi attribute directly */ 1712 scp->term.attr = scp->term.std_attr = 1713 (scp->term.par[1]&0xFF)<<8; 1714 break; 1715 case 5: /* set ansi reverse video background */ 1716 scp->term.rev_attr = 1717 (scp->term.rev_attr & 0x0F00) | 1718 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1719 break; 1720 case 6: /* set ansi reverse video foreground */ 1721 scp->term.rev_attr = 1722 (scp->term.rev_attr & 0xF000) | 1723 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1724 break; 1725 case 7: /* set ansi reverse video directly */ 1726 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1727 break; 1728 } 1729 break; 1730 1731 case 'z': /* switch to (virtual) console n */ 1732 if (scp->term.n_par == 1) 1733 switch_scr(scp->term.par[0]); 1734 break; 1735 } 1736 } 1737 else if (scp->term.esc == 3) { 1738 if (c >= '0' && c <= '9') { 1739 if (scp->term.n_par < MAX_ESC_PAR) { 1740 if (scp->term.last_par != scp->term.n_par) { 1741 scp->term.last_par = scp->term.n_par; 1742 scp->term.par[scp->term.n_par] = 0; 1743 } 1744 else 1745 scp->term.par[scp->term.n_par] *= 10; 1746 scp->term.par[scp->term.n_par] += c - '0'; 1747 return; 1748 } 1749 } 1750 scp->term.n_par = scp->term.last_par + 1; 1751 switch (c) { 1752 1753 case ';': 1754 if (scp->term.n_par < MAX_ESC_PAR) 1755 return; 1756 break; 1757 1758 case 'A': /* set display border color */ 1759 if (scp->term.n_par == 1) 1760 scp->border=scp->term.par[0] & 0xff; 1761 if (scp == cur_console) 1762 set_border(scp->border); 1763 break; 1764 1765 case 'B': /* set bell pitch and duration */ 1766 if (scp->term.n_par == 2) { 1767 scp->bell_pitch = scp->term.par[0]; 1768 scp->bell_duration = scp->term.par[1]*10; 1769 } 1770 break; 1771 1772 case 'C': /* set cursor shape (start & end line) */ 1773 if (scp->term.n_par == 2) { 1774 scp->cursor_start = scp->term.par[0] & 0x1F; 1775 scp->cursor_end = scp->term.par[1] & 0x1F; 1776 if (scp == cur_console) 1777 cursor_shape(scp->cursor_start, 1778 scp->cursor_end); 1779 } 1780 break; 1781 1782 case 'F': /* set ansi foreground */ 1783 if (scp->term.n_par == 1) 1784 scp->term.attr = scp->term.std_attr = 1785 (scp->term.std_attr & 0xF000) 1786 | ((scp->term.par[0] & 0x0F) << 8); 1787 break; 1788 1789 case 'G': /* set ansi background */ 1790 if (scp->term.n_par == 1) 1791 scp->term.attr = scp->term.std_attr = 1792 (scp->term.std_attr & 0x0F00) 1793 | ((scp->term.par[0] & 0x0F) << 12); 1794 break; 1795 1796 case 'H': /* set ansi reverse video foreground */ 1797 if (scp->term.n_par == 1) 1798 scp->term.rev_attr = 1799 (scp->term.rev_attr & 0xF000) 1800 | ((scp->term.par[0] & 0x0F) << 8); 1801 break; 1802 1803 case 'I': /* set ansi reverse video background */ 1804 if (scp->term.n_par == 1) 1805 scp->term.rev_attr = 1806 (scp->term.rev_attr & 0x0F00) 1807 | ((scp->term.par[0] & 0x0F) << 12); 1808 break; 1809 } 1810 } 1811 scp->term.esc = 0; 1812} 1813 1814 1815static void ansi_put(scr_stat *scp, u_char c) 1816{ 1817 if (scp->status & UNKNOWN_MODE) 1818 return; 1819 1820 /* make screensaver happy */ 1821 if (scp == cur_console) { 1822 scrn_time_stamp = time.tv_sec; 1823 if (scrn_blanked) 1824 scrn_saver(0); 1825 } 1826 in_putc++; 1827 if (scp->term.esc) 1828 scan_esc(scp, c); 1829 else switch(c) { 1830 case 0x1B: /* start escape sequence */ 1831 scp->term.esc = 1; 1832 scp->term.n_par = 0; 1833 break; 1834 case 0x07: 1835 if (scp == cur_console) 1836 sysbeep(scp->bell_pitch, scp->bell_duration); 1837 break; 1838 case '\t': /* non-destructive tab */ 1839 scp->crtat += (8 - scp->posx % 8); 1840 scp->posx += (8 - scp->posx % 8); 1841 break; 1842 case '\b': /* non-destructive backspace */ 1843 if (scp->crtat > scp->crt_base) { 1844 scp->crtat--; 1845 if (scp->posx > 0) 1846 scp->posx--; 1847 else { 1848 scp->posx += scp->max_posx - 1; 1849 scp->posy--; 1850 } 1851 } 1852 break; 1853 case '\r': /* return to pos 0 */ 1854 move_crsr(scp, 0, scp->posy); 1855 break; 1856 case '\n': /* newline, same pos */ 1857 scp->crtat += scp->max_posx; 1858 scp->posy++; 1859 break; 1860 case '\f': /* form feed, clears screen */ 1861 clear_screen(scp); 1862 break; 1863 default: 1864 /* Print only printables */ 1865 *scp->crtat = (scp->term.attr | scr_map[c]); 1866 scp->crtat++; 1867 if (++scp->posx >= scp->max_posx) { 1868 scp->posx = 0; 1869 scp->posy++; 1870 } 1871 break; 1872 } 1873 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1874 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1875 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1876 fillw(scp->term.attr | scr_map[0x20], 1877 scp->crt_base + scp->max_posx * (scp->max_posy - 1), 1878 scp->max_posx); 1879 scp->crtat -= scp->max_posx; 1880 scp->posy--; 1881 } 1882 in_putc--; 1883 if (nx_scr) 1884 switch_scr(nx_scr - 1); 1885} 1886 1887static void scinit(void) 1888{ 1889 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1890 unsigned cursorat; 1891 int i; 1892 1893 /* 1894 * catch that once in a blue moon occurence when scinit is called 1895 * TWICE, adding the CGA_BUF offset again -> poooff 1896 */ 1897 if (crtat != 0) 1898 return; 1899 /* 1900 * Crtat initialized to point to MONO buffer, if not present change 1901 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1902 * in the remapped offset at the right time 1903 */ 1904 was = *cp; 1905 *cp = (u_short) 0xA55A; 1906 if (*cp != 0xA55A) { 1907 crtc_addr = MONO_BASE; 1908 } else { 1909 *cp = was; 1910 crtc_addr = COLOR_BASE; 1911 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1912 } 1913 1914 /* Extract cursor location */ 1915 outb(crtc_addr,14); 1916 cursorat = inb(crtc_addr+1)<<8 ; 1917 outb(crtc_addr,15); 1918 cursorat |= inb(crtc_addr+1); 1919 crtat = Crtat + cursorat; 1920 1921 /* is this a VGA or higher ? */ 1922 outb(crtc_addr, 7); 1923 if (inb(crtc_addr) == 7) 1924 crtc_vga = 1; 1925 1926 current_default = &user_default; 1927 console[0].crtat = crtat; 1928 console[0].crt_base = Crtat; 1929 console[0].term.esc = 0; 1930 console[0].term.std_attr = current_default->std_attr; 1931 console[0].term.rev_attr = current_default->rev_attr; 1932 console[0].term.attr = current_default->std_attr; 1933 console[0].posx = cursorat % COL; 1934 console[0].posy = cursorat / COL; 1935 console[0].border = BG_BLACK;; 1936 console[0].max_posx = COL; 1937 console[0].max_posy = ROW; 1938 console[0].status = 0; 1939 console[0].pid = 0; 1940 console[0].proc = NULL; 1941 console[0].smode.mode = VT_AUTO; 1942 console[0].bell_pitch = BELL_PITCH; 1943 console[0].bell_duration = BELL_DURATION; 1944 kernel_console.esc = 0; 1945 kernel_console.std_attr = kernel_default.std_attr; 1946 kernel_console.rev_attr = kernel_default.rev_attr; 1947 kernel_console.attr = kernel_default.std_attr; 1948 /* initialize mapscrn array to */ 1949 for (i=0; i<sizeof(scr_map); i++) 1950 scr_map[i] = i; 1951 clear_screen(&console[0]); 1952} 1953 1954 1955static void sput(u_char c) 1956{ 1957 scr_stat *scp = &console[0]; 1958 term_stat save; 1959 1960 if (crtat == 0) 1961 scinit(); 1962 save = scp->term; 1963 scp->term = kernel_console; 1964 current_default = &kernel_default; 1965 ansi_put(scp, c); 1966 kernel_console = scp->term; 1967 current_default = &user_default; 1968 scp->term = save; 1969} 1970 1971 1972static u_char *get_fstr(u_int c, u_int *len) 1973{ 1974 u_int i; 1975 1976 if (!(c & FKEY)) 1977 return(NULL); 1978 i = (c & 0xFF) - F_FN; 1979 if (i > n_fkey_tab) 1980 return(NULL); 1981 *len = fkey_tab[i].len; 1982 return(fkey_tab[i].str); 1983} 1984 1985 1986static update_leds(int which) 1987{ 1988 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 1989 1990 kbd_cmd(KB_SETLEDS); /* LED Command */ 1991 kbd_cmd(xlate_leds[which & LED_MASK]); 1992 kbd_wait(); 1993} 1994 1995 1996static volatile void reset_cpu(void) 1997{ 1998 while (1) { 1999 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 2000 DELAY(4000000); 2001 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 2002 } 2003} 2004 2005 2006/* 2007 * sgetc(noblock) : get a character from the keyboard. 2008 * If noblock = 0 wait until a key is gotten. Otherwise return NOKEY. 2009 */ 2010u_int sgetc(int noblock) 2011{ 2012 u_char val, code, release; 2013 u_int state, action; 2014 struct key_t *key; 2015 static u_char esc_flag = 0, compose = 0; 2016 static u_int chr = 0; 2017 2018next_code: 2019 kbd_wait(); 2020 /* First see if there is something in the keyboard port */ 2021 if (inb(KB_STAT) & KB_BUF_FULL) 2022 val = inb(KB_DATA); 2023 else if (noblock) 2024 return(NOKEY); 2025 else 2026 goto next_code; 2027 2028 if (cur_console->status & KBD_RAW_MODE) 2029 return val; 2030 2031 code = val & 0x7F; 2032 release = val & 0x80; 2033 2034 switch (esc_flag) { 2035 case 0x00: /* normal scancode */ 2036 switch(code) { 2037 case 0x38: /* left alt (compose key) */ 2038 if (release && compose) { 2039 compose = 0; 2040 if (chr > 255) { 2041 sysbeep(BELL_PITCH, BELL_DURATION); 2042 chr = 0; 2043 } 2044 } 2045 else { 2046 if (!compose) { 2047 compose = 1; 2048 chr = 0; 2049 } 2050 } 2051 break; 2052 case 0x60: 2053 case 0x61: 2054 esc_flag = code; 2055 goto next_code; 2056 } 2057 break; 2058 case 0x60: /* 0xE0 prefix */ 2059 esc_flag = 0; 2060 switch (code) { 2061 case 0x1c: /* right enter key */ 2062 code = 0x59; 2063 break; 2064 case 0x1d: /* right ctrl key */ 2065 code = 0x5a; 2066 break; 2067 case 0x35: /* keypad divide key */ 2068 code = 0x5b; 2069 break; 2070 case 0x37: /* print scrn key */ 2071 code = 0x5c; 2072 break; 2073 case 0x38: /* right alt key (alt gr) */ 2074 code = 0x5d; 2075 break; 2076 case 0x47: /* grey home key */ 2077 code = 0x5e; 2078 break; 2079 case 0x48: /* grey up arrow key */ 2080 code = 0x5f; 2081 break; 2082 case 0x49: /* grey page up key */ 2083 code = 0x60; 2084 break; 2085 case 0x4b: /* grey left arrow key */ 2086 code = 0x61; 2087 break; 2088 case 0x4d: /* grey right arrow key */ 2089 code = 0x62; 2090 break; 2091 case 0x4f: /* grey end key */ 2092 code = 0x63; 2093 break; 2094 case 0x50: /* grey down arrow key */ 2095 code = 0x64; 2096 break; 2097 case 0x51: /* grey page down key */ 2098 code = 0x65; 2099 break; 2100 case 0x52: /* grey insert key */ 2101 code = 0x66; 2102 break; 2103 case 0x53: /* grey delete key */ 2104 code = 0x67; 2105 break; 2106 default: /* ignore everything else */ 2107 goto next_code; 2108 } 2109 break; 2110 case 0x61: /* 0xE1 prefix */ 2111 esc_flag = 0; 2112 if (code == 0x1D) 2113 esc_flag = 0x1D; 2114 goto next_code; 2115 /* NOT REACHED */ 2116 case 0x1D: /* pause / break */ 2117 esc_flag = 0; 2118 if (code != 0x45) 2119 goto next_code; 2120 code = 0x68; 2121 break; 2122 } 2123 2124 if (compose) { 2125 switch (code) { 2126 case 0x47: 2127 case 0x48: /* keypad 7,8,9 */ 2128 case 0x49: 2129 if (!release) 2130 chr = (code - 0x40) + chr*10; 2131 goto next_code; 2132 case 0x4b: 2133 case 0x4c: /* keypad 4,5,6 */ 2134 case 0x4d: 2135 if (!release) 2136 chr = (code - 0x47) + chr*10; 2137 goto next_code; 2138 case 0x4f: 2139 case 0x50: /* keypad 1,2,3 */ 2140 case 0x51: 2141 if (!release) 2142 chr = (code - 0x4e) + chr*10; 2143 goto next_code; 2144 case 0x52: /* keypad 0 */ 2145 if (!release) 2146 chr *= 10; 2147 goto next_code; 2148 case 0x38: /* left alt key */ 2149 break; 2150 default: 2151 if (chr) { 2152 compose = chr = 0; 2153 sysbeep(BELL_PITCH, BELL_DURATION); 2154 goto next_code; 2155 } 2156 break; 2157 } 2158 } 2159 2160 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2161 if ((!agrs && (cur_console->status & ALKED)) 2162 || (agrs && !(cur_console->status & ALKED))) 2163 code += ALTGR_OFFSET; 2164 key = &key_map.key[code]; 2165 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2166 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2167 state ^= 1; 2168 2169 /* Check for make/break */ 2170 action = key->map[state]; 2171 if (release) { /* key released */ 2172 if (key->spcl & 0x80) { 2173 switch (action) { 2174 case LSH: 2175 shfts &= ~1; 2176 break; 2177 case RSH: 2178 shfts &= ~2; 2179 break; 2180 case LCTR: 2181 ctls &= ~1; 2182 break; 2183 case RCTR: 2184 ctls &= ~2; 2185 break; 2186 case LALT: 2187 alts &= ~1; 2188 break; 2189 case RALT: 2190 alts &= ~2; 2191 break; 2192 case NLK: 2193 nlkcnt = 0; 2194 break; 2195 case CLK: 2196 clkcnt = 0; 2197 break; 2198 case SLK: 2199 slkcnt = 0; 2200 break; 2201 case ASH: 2202 agrs = 0; 2203 break; 2204 case ALK: 2205 alkcnt = 0; 2206 break; 2207 case META: 2208 metas = 0; 2209 break; 2210 } 2211 } 2212 if (chr && !compose) { 2213 action = chr; 2214 chr = 0; 2215 return (action); 2216 } 2217 } else { 2218 /* key pressed */ 2219 if (key->spcl & (0x80>>state)) { 2220 switch (action) { 2221 /* LOCKING KEYS */ 2222 case NLK: 2223 if (!nlkcnt) { 2224 nlkcnt++; 2225 if (cur_console->status & NLKED) 2226 cur_console->status &= ~NLKED; 2227 else 2228 cur_console->status |= NLKED; 2229 update_leds(cur_console->status & LED_MASK); 2230 } 2231 break; 2232 case CLK: 2233 if (!clkcnt) { 2234 clkcnt++; 2235 if (cur_console->status & CLKED) 2236 cur_console->status &= ~CLKED; 2237 else 2238 cur_console->status |= CLKED; 2239 update_leds(cur_console->status & LED_MASK); 2240 } 2241 break; 2242 case SLK: 2243 if (!slkcnt) { 2244 slkcnt++; 2245 if (cur_console->status & SLKED) { 2246 cur_console->status &= ~SLKED; 2247#if defined(NetBSD) 2248 pcstart(pc_tty[get_scr_num(cur_console)]); 2249#else 2250 pcstart(&pccons[get_scr_num(cur_console)]); 2251#endif 2252 } 2253 else 2254 cur_console->status |= SLKED; 2255 update_leds(cur_console->status & LED_MASK); 2256 } 2257 break; 2258 case ALK: 2259 if (!alkcnt) { 2260 alkcnt++; 2261 if (cur_console->status & ALKED) 2262 cur_console->status &= ~ALKED; 2263 else 2264 cur_console->status |= ALKED; 2265 } 2266 break; 2267 2268 /* NON-LOCKING KEYS */ 2269 case NOP: 2270 break; 2271 case RBT: 2272 cpu_reset(); 2273 break; 2274 case DBG: 2275#if DDB > 0 /* try to switch to console 0 */ 2276 if (cur_console->smode.mode == VT_AUTO && 2277 console[0].smode.mode == VT_AUTO) 2278 switch_scr(0); 2279 Debugger(); 2280 return(NOKEY); 2281#else 2282 printf("No debugger in kernel\n"); 2283#endif 2284 break; 2285 case LSH: 2286 shfts |= 1; 2287 break; 2288 case RSH: 2289 shfts |= 2; 2290 break; 2291 case LCTR: 2292 ctls |= 1; 2293 break; 2294 case RCTR: 2295 ctls |= 2; 2296 break; 2297 case LALT: 2298 alts |= 1; 2299 break; 2300 case RALT: 2301 alts |= 2; 2302 break; 2303 case ASH: 2304 agrs = 1; 2305 break; 2306 case META: 2307 metas = 1; 2308 break; 2309 case NEXT: 2310 switch_scr((get_scr_num(cur_console)+1)%NCONS); 2311 break; 2312 default: 2313 if (action >= F_SCR && action <= L_SCR) { 2314 switch_scr(action - F_SCR); 2315 break; 2316 } 2317 if (action >= F_FN && action <= L_FN) 2318 action |= FKEY; 2319 return(action); 2320 } 2321 } 2322 else { 2323 if (metas) 2324 action |= MKEY; 2325 return(action); 2326 } 2327 } 2328 goto next_code; 2329} 2330 2331 2332int getchar(void) 2333{ 2334 char thechar; 2335 int s; 2336 2337 polling = 1; 2338 s = splhigh(); 2339 sput('>'); 2340 thechar = (char) sgetc(0); 2341 polling = 0; 2342 splx(s); 2343 switch (thechar) { 2344 default: 2345 if (thechar >= scr_map[0x20]) 2346 sput(thechar); 2347 return(thechar); 2348 case cr: 2349 case lf: 2350 sput(cr); sput(lf); 2351 return(lf); 2352 case bs: 2353 case del: 2354 sput(bs); sput(scr_map[0x20]); sput(bs); 2355 return(thechar); 2356 case cntld: 2357 sput('^'); sput('D'); sput('\r'); sput('\n'); 2358 return(0); 2359 } 2360} 2361 2362 2363int pcmmap(dev_t dev, int offset, int nprot) 2364{ 2365 if (offset > 0x20000) 2366 return EINVAL; 2367 return i386_btop((VIDEOMEM + offset)); 2368} 2369 2370 2371static void kbd_wait(void) 2372{ 2373 int i; 2374 for (i=0; i<10000; i++) 2375 if ((inb(KB_STAT) & KB_READY) == 0) 2376 break; 2377} 2378 2379 2380static void kbd_cmd(u_char command) 2381{ 2382 kbd_wait(); 2383 outb(KB_DATA, command); 2384} 2385 2386 2387static void set_mode(scr_stat *scp) 2388{ 2389 u_char byte; 2390 int s; 2391 2392 if (scp != cur_console) 2393 return; 2394 2395 /* (re)activate cursor */ 2396 untimeout((timeout_t)cursor_pos, 0); 2397 cursor_pos(); 2398 2399 /* change cursor type if set */ 2400 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2401 cursor_shape(scp->cursor_start, scp->cursor_end); 2402 2403 /* mode change only on VGA's */ 2404 if (!crtc_vga) 2405 return; 2406 2407 /* setup video hardware for the given mode */ 2408 s = splhigh(); 2409 switch(scp->mode) { 2410 case TEXT80x25: 2411 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2412 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2413 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2414 break; 2415 case TEXT80x50: 2416 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2417 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2418 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2419 break; 2420 default: 2421 break; 2422 } 2423 splx(s); 2424 2425 /* set border color for this (virtual) console */ 2426 set_border(scp->border); 2427 return; 2428} 2429 2430 2431static void set_border(int color) 2432{ 2433 inb(crtc_addr+6); /* reset flip-flop */ 2434 outb(ATC, 0x11); outb(ATC, color); 2435 inb(crtc_addr+6); /* reset flip-flop */ 2436 outb(ATC, 0x20); /* enable Palette */ 2437} 2438 2439static load_font(int segment, int size, char* font) 2440{ 2441 int ch, line, s; 2442 u_char val; 2443 2444 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2445 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2446 2447 /* setup vga for loading fonts (graphics plane mode) */ 2448 s = splhigh(); 2449 inb(crtc_addr+6); /* reset flip/flop */ 2450 outb(ATC, 0x30); outb(ATC, 0x01); 2451 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2452 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2453 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2454 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2455 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2456 splx(s); 2457 for (ch=0; ch < 256; ch++) 2458 for (line=0; line < size; line++) 2459 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2460 font[(ch*size)+line]; 2461 /* setup vga for text mode again */ 2462 s = splhigh(); 2463 inb(crtc_addr+6); /* reset flip/flop */ 2464 outb(ATC, 0x30); outb(ATC, 0x0C); 2465 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2466 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2467 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2468 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2469 if (crtc_addr == MONO_BASE) { 2470 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2471 } 2472 else { 2473 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2474 } 2475 splx(s); 2476 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2477 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2478} 2479 2480 2481static void load_palette(void) 2482{ 2483 int i; 2484 2485 outb(PIXMASK, 0xFF); /* no pixelmask */ 2486 outb(PALWADR, 0x00); 2487 for (i=0x00; i<0x300; i++) 2488 outb(PALDATA, palette[i]); 2489 inb(crtc_addr+6); /* reset flip/flop */ 2490 outb(ATC, 0x20); /* enable palette */ 2491} 2492 2493static void save_palette(void) 2494{ 2495 int i; 2496 2497 outb(PALRADR, 0x00); 2498 for (i=0x00; i<0x300; i++) 2499 palette[i] = inb(PALDATA); 2500 inb(crtc_addr+6); /* reset flip/flop */ 2501} 2502 2503 2504static change_winsize(struct tty *tp, int x, int y) 2505{ 2506 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2507 tp->t_winsize.ws_col = x; 2508 tp->t_winsize.ws_row = y; 2509 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2510 } 2511} 2512 2513#endif /* NSC */ 2514