syscons.c revision 686
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: syscons.c,v 1.17 1993/10/31 00:09:02 jkh Exp $ 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#include "param.h" 46#include "conf.h" 47#include "ioctl.h" 48#include "proc.h" 49#include "user.h" 50#include "tty.h" 51#include "uio.h" 52#include "callout.h" 53#include "systm.h" 54#include "kernel.h" 55#include "syslog.h" 56#include "errno.h" 57#include "malloc.h" 58#include "i386/isa/icu.h" 59#include "i386/isa/isa.h" 60#include "i386/isa/isa_device.h" 61#include "i386/isa/timerreg.h" 62#include "i386/i386/cons.h" 63#include "machine/console.h" 64#include "machine/psl.h" 65#include "machine/frame.h" 66#include "machine/pc/display.h" 67#include "sc.h" 68#include "iso8859.font" 69#include "kbdtables.h" 70 71#if !defined(NetBSD) 72#include "ddb.h" 73#if NDDB > 0 74#define DDB 1 75#endif 76#endif 77 78#if NSC > 0 79 80#ifndef NCONS 81#define NCONS 12 82#endif 83 84/* status flags */ 85#define LOCK_KEY_MASK 0x0000F 86#define LED_MASK 0x00007 87#define UNKNOWN_MODE 0x00010 88#define KBD_RAW_MODE 0x00020 89#define SWITCH_WAIT_REL 0x00040 90#define SWITCH_WAIT_ACQ 0x00080 91 92/* virtual video memory addresses */ 93#if !defined(NetBSD) 94#define MONO_BUF 0xFE0B0000 95#define CGA_BUF 0xFE0B8000 96#define VGA_BUF 0xFE0A0000 97#endif 98#define VIDEOMEM 0x000A0000 99 100/* misc defines */ 101#define MAX_ESC_PAR 3 102#define TEXT80x25 1 103#define TEXT80x50 2 104#define COL 80 105#define ROW 25 106#define BELL_DURATION 10 107#define BELL_PITCH 800 108#define TIMER_FREQ 1193182 /* should be in isa.h */ 109#define PCBURST 128 110 111/* defines related to hardware addresses */ 112#define MONO_BASE 0x3B4 /* crt controller base mono */ 113#define COLOR_BASE 0x3D4 /* crt controller base color */ 114#define ATC IO_VGA+0x00 /* attribute controller */ 115#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 116#define TSREG IO_VGA+0x05 /* timing sequencer data */ 117#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 118#define PALRADR IO_VGA+0x07 /* palette read address */ 119#define PALWADR IO_VGA+0x08 /* palette write address */ 120#define PALDATA IO_VGA+0x09 /* palette data register */ 121#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 122#define GDCREG IO_VGA+0x0F /* graph data controller data */ 123 124typedef struct term_stat { 125 int esc; /* processing escape sequence */ 126 int n_par; /* # of parameters to ESC */ 127 int last_par; /* last parameter # */ 128 int par[MAX_ESC_PAR]; /* contains ESC parameters */ 129 int attr; /* current attributes */ 130 int std_attr; /* normal attributes */ 131 int rev_attr; /* reverse attributes */ 132} term_stat; 133 134typedef struct scr_stat { 135 u_short *crt_base; /* address of screen memory */ 136 u_short *scr; /* buffer when off screen */ 137 u_short *crtat; /* cursor address */ 138 int posx; /* current X position */ 139 int posy; /* current Y position */ 140 int max_posx; /* X size */ 141 int max_posy; /* X size */ 142 term_stat term; /* terminal emulation stuff */ 143 char cursor_start; /* cursor start line # */ 144 char cursor_end; /* cursor start end # */ 145 u_char border; /* border color */ 146 u_short bell_duration; 147 u_short bell_pitch; 148 u_short status; /* status (bitfield) */ 149 u_short mode; /* mode */ 150 pid_t pid; /* pid of controlling proc */ 151 struct proc *proc; /* proc* of controlling proc */ 152 struct vt_mode smode; /* switch mode */ 153} scr_stat; 154 155typedef struct default_attr { 156 int std_attr; /* normal attributes */ 157 int rev_attr; /* reverse attributes */ 158} default_attr; 159 160static default_attr user_default = { 161 (FG_LIGHTGREY | BG_BLACK) << 8, 162 (FG_BLACK | BG_LIGHTGREY) << 8 163}; 164 165static default_attr kernel_default = { 166 (FG_WHITE | BG_BLACK) << 8, 167 (FG_BLACK | BG_LIGHTGREY) << 8 168}; 169 170static scr_stat console[NCONS]; 171static scr_stat *cur_console = &console[0]; 172static scr_stat *new_scp, *old_scp; 173static term_stat kernel_console; 174static default_attr *current_default; 175static int switch_in_progress = 0; 176static u_short *crtat = 0; 177static u_int crtc_addr = MONO_BASE; 178static char crtc_vga = 0; 179static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 180static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 181static char palette[3*256]; 182static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 183static int cur_cursor_pos = -1; 184static char in_putc = 0; 185static char polling = 0; 186static int nx_scr; 187static char saved_console = -1; /* saved console number */ 188static long scrn_blank_time = 0; /* screen saver timout value */ 189static int scrn_blanked = 0; /* screen saver active flag */ 190static long scrn_time_stamp; 191static u_char scr_map[256]; 192static struct tty *cur_tty = NULL; 193 194#if defined(NetBSD) 195extern u_short *Crtat; 196struct tty *pc_tty[NCONS]; 197int ttrstrt(); 198#else 199u_short *Crtat = (u_short *)MONO_BUF; 200struct tty pccons[NCONS]; 201#define timeout_t caddr_t 202#endif 203 204extern int hz; 205extern struct timeval time; 206 207/* special characters */ 208#define cntlc 0x03 209#define cntld 0x04 210#define bs 0x08 211#define lf 0x0a 212#define cr 0x0d 213#define del 0x7f 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); 231int pcmmap(dev_t dev, int offset, int nprot); 232u_int sgetc(int noblock); 233int getchar(void); 234static void reset_cpu(void); 235static void scrn_saver(int test); 236static struct tty *get_tty_ptr(dev_t dev); 237static scr_stat *get_scr_stat(dev_t dev); 238static int get_scr_num(scr_stat *scp); 239static void cursor_shape(int start, int end); 240static void get_cursor_shape(int *start, int *end); 241static void cursor_pos(void); 242static void clear_screen(scr_stat *scp); 243static switch_scr(u_int next_scr); 244static void exchange_scr(void); 245static void move_crsr(scr_stat *scp, int x, int y); 246static void move_up(u_short *s, u_short *d, u_int len); 247static void move_down(u_short *s, u_short *d, u_int len); 248static void scan_esc(scr_stat *scp, u_char c); 249static void ansi_put(scr_stat *scp, u_char c); 250static void scinit(void); 251static void sput(u_char c); 252static u_char *get_fstr(u_int c, u_int *len); 253static update_leds(int which); 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#if !defined(NetBSD) 268void consinit(void) 269{ 270 scinit(); 271} 272#endif 273 274int pcprobe(struct isa_device *dev) 275{ 276 u_char c; 277 int again = 0; 278 279 /* Enable interrupts and keyboard controller */ 280 kbd_wait(); 281 outb(KB_STAT, KB_WRITE); 282 kbd_cmd(0x4D); 283 284 /* Start keyboard stuff RESET */ 285 kbd_cmd(KB_RESET); 286 while ((c=inb(KB_DATA)) != KB_ACK) { 287 if ((c == 0xFE) || (c == 0xFF)) { 288 if (!again) 289 printf("KEYBOARD disconnected: RECONNECT \n"); 290 kbd_cmd(KB_RESET); 291 again = 1; 292 } 293 } 294 kbd_wait(); 295 return (IO_KBDSIZE); 296} 297 298 299int pcattach(struct isa_device *dev) 300{ 301 scr_stat *scp; 302 int start = -1, end = -1, i; 303 304 printf("sc%d: ", dev->id_unit); 305 if (crtc_vga) 306 if (crtc_addr == MONO_BASE) 307 printf("VGA mono"); 308 else 309 printf("VGA color"); 310 else 311 if (crtc_addr == MONO_BASE) 312 printf("MDA/hercules"); 313 else 314 printf("CGA/EGA"); 315 316 if (NCONS > 1) 317 printf(" <%d virtual consoles>\n", NCONS); 318 else 319 printf("\n"); 320#ifdef FAT_CURSOR 321 start = 0; 322 end = 18; 323 if (crtc_vga) { 324#else 325 if (crtc_vga) { 326 get_cursor_shape(&start, &end); 327#endif 328 save_palette(); 329 load_font(0, 16, font_8x16); 330 load_font(1, 8, font_8x8); 331 load_font(2, 14, font_8x14); 332 } 333 current_default = &user_default; 334 for (i = 0; i < NCONS; i++) { 335 scp = &console[i]; 336 scp->scr = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); 337 scp->mode = TEXT80x25; 338 scp->term.esc = 0; 339 scp->term.std_attr = current_default->std_attr; 340 scp->term.rev_attr = current_default->rev_attr; 341 scp->term.attr = scp->term.std_attr; 342 scp->border = BG_BLACK; 343 scp->cursor_start = start; 344 scp->cursor_end = end; 345 scp->max_posx = COL; 346 scp->max_posy = ROW; 347 scp->bell_pitch = BELL_PITCH; 348 scp->bell_duration = BELL_DURATION; 349 scp->status = 0; 350 scp->pid = 0; 351 scp->proc = NULL; 352 scp->smode.mode = VT_AUTO; 353 if (i > 0) { 354 scp->crt_base = scp->crtat = scp->scr; 355 fillw(scp->term.attr|scr_map[0x20], scp->scr, COL*ROW); 356 } 357 } 358 /* get cursor going */ 359#ifdef FAT_CURSOR 360 cursor_shape(console[0].cursor_start, 361 console[0].cursor_end); 362#endif 363 cursor_pos(); 364} 365 366 367static struct tty *get_tty_ptr(dev_t dev) 368{ 369 int unit = minor(dev); 370 371 if (unit >= NCONS) 372 return(NULL); 373#if defined(NetBSD) 374 if (!pc_tty[unit]) 375 pc_tty[unit] = ttymalloc(); 376 return(pc_tty[unit]); 377#else 378 return(&pccons[unit]); 379#endif 380} 381 382 383static scr_stat *get_scr_stat(dev_t dev) 384{ 385 int unit = minor(dev); 386 387 if (unit >= NCONS) 388 return(NULL); 389 return(&console[unit]); 390} 391 392 393static int get_scr_num(scr_stat *scp) /* allways call with legal scp !! */ 394{ 395 int i = 0; 396 397 while ((i < NCONS) && (cur_console != &console[i])) i++; 398 return i; 399} 400 401pcopen(dev_t dev, int flag, int mode, struct proc *p) 402{ 403 struct tty *tp = get_tty_ptr(dev); 404 405 if (!tp) 406 return(ENXIO); 407 if (!cur_tty) 408 cur_tty = tp; 409 tp->t_oproc = (void*)pcstart; 410 tp->t_param = pcparam; 411 tp->t_dev = dev; 412 if ((tp->t_state & TS_ISOPEN) == 0) { 413 tp->t_state |= TS_WOPEN; 414 ttychars(tp); 415 tp->t_iflag = TTYDEF_IFLAG; 416 tp->t_oflag = TTYDEF_OFLAG; 417 tp->t_cflag = TTYDEF_CFLAG; 418 tp->t_lflag = TTYDEF_LFLAG; 419 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 420 pcparam(tp, &tp->t_termios); 421 ttsetwater(tp); 422 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 423 return(EBUSY); 424 tp->t_state |= TS_CARR_ON; 425 return((*linesw[tp->t_line].l_open)(dev, tp)); 426} 427 428 429pcclose(dev_t dev, int flag, int mode, struct proc *p) 430{ 431 struct tty *tp = get_tty_ptr(dev); 432 struct scr_stat *scp; 433 434 if (!tp) 435 return(ENXIO); 436 scp = get_scr_stat(tp->t_dev); 437 scp->pid = 0; 438 scp->proc = NULL; 439 scp->smode.mode = VT_AUTO; 440 (*linesw[tp->t_line].l_close)(tp, flag); 441 ttyclose(tp); 442 return(0); 443} 444 445 446pcread(dev_t dev, struct uio *uio, int flag) 447{ 448 struct tty *tp = get_tty_ptr(dev); 449 450 if (!tp) 451 return(ENXIO); 452 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 453} 454 455 456pcwrite(dev_t dev, struct uio *uio, int flag) 457{ 458 struct tty *tp = get_tty_ptr(dev); 459 460 if (!tp) 461 return(ENXIO); 462 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 463} 464 465 466/* 467 * Got a console interrupt, keyboard action ! 468 * Catch the character, and see who it goes to. 469 */ 470scintr(dev_t dev, int irq, int cpl) 471{ 472 int c, len; 473 u_char *cp; 474 475 /* make screensaver happy */ 476 scrn_time_stamp = time.tv_sec; 477 if (scrn_blanked) 478 scrn_saver(0); 479 480 c = sgetc(1); 481 if (!cur_tty) 482 return; 483 if ((cur_tty->t_state & TS_ISOPEN) == 0 || polling) 484 return; 485 486 switch (c & 0xff00) { 487 case 0x0000: /* normal key */ 488 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 489 break; 490 case NOKEY: /* nothing there */ 491 return; 492 case FKEY: /* function key, return string */ 493 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 494 while (len-- > 0) 495 (*linesw[cur_tty->t_line].l_rint) 496 (*cp++ & 0xFF, cur_tty); 497 } 498 break; 499 case MKEY: /* meta is active, prepend ESC */ 500 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 501 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 502 break; 503 } 504} 505 506 507/* 508 * Set line parameters 509 */ 510pcparam(struct tty *tp, struct termios *t) 511{ 512 int cflag = t->c_cflag; 513 514 /* and copy to tty */ 515 tp->t_ispeed = t->c_ispeed; 516 tp->t_ospeed = t->c_ospeed; 517 tp->t_cflag = cflag; 518 return(0); 519} 520 521 522#if defined(NetBSD) 523#define frametype struct trapframe 524#define eflags tf_eflags 525#else 526#define frametype struct syscframe 527#define eflags sf_eflags 528#endif 529 530pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 531{ 532 int i, error; 533 struct tty *tp; 534 frametype *fp; 535 scr_stat *scp; 536 537 tp = get_tty_ptr(dev); 538 if (!tp) 539 return ENXIO; 540 scp = get_scr_stat(tp->t_dev); 541 542 switch (cmd) { /* process console hardware related ioctl's */ 543 544 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 545 scrn_blank_time = *(int*)data; 546 return 0; 547 548 case CONS_80x25TEXT: /* set 80x25 text mode */ 549 if (!crtc_vga) 550 return ENXIO; 551 scp->mode = TEXT80x25; 552 scp->max_posy = 25; 553 free(scp->scr, M_DEVBUF); 554 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 555 M_DEVBUF, M_NOWAIT); 556 if (scp != cur_console) 557 scp->crt_base = scp->scr; 558 set_mode(scp); 559 clear_screen(scp); 560 change_winsize(tp, scp->max_posx, scp->max_posy); 561 return 0; 562 563 case CONS_80x50TEXT: /* set 80x50 text mode */ 564 if (!crtc_vga) 565 return ENXIO; 566 scp->mode = TEXT80x50; 567 scp->max_posy = 50; 568 free(scp->scr, M_DEVBUF); 569 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 570 M_DEVBUF, M_NOWAIT); 571 if (scp != cur_console) 572 scp->crt_base = scp->scr; 573 set_mode(scp); 574 clear_screen(scp); 575 change_winsize(tp, scp->max_posx, scp->max_posy); 576 return 0; 577 578 case CONS_GETVERS: /* get version number */ 579 *(int*)data = 0x100; /* version 1.0 */ 580 return 0; 581 582 case CONS_GETINFO: /* get current (virtual) console info */ 583 if (*data == sizeof(struct vid_info)) { 584 vid_info_t *ptr = (vid_info_t*)data; 585 ptr->m_num = get_scr_num(scp); 586 ptr->mv_col = scp->posx; 587 ptr->mv_row = scp->posy; 588 ptr->mv_csz = scp->max_posx; 589 ptr->mv_rsz = scp->max_posy; 590 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 591 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 592 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 593 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 594 ptr->mv_grfc.fore = 0; /* not supported */ 595 ptr->mv_grfc.back = 0; /* not supported */ 596 ptr->mv_ovscan = scp->border; 597 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 598 return 0; 599 } 600 return EINVAL; 601 602 case VT_SETMODE: /* set screen switcher mode */ 603 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 604 if (scp->smode.mode == VT_PROCESS) { 605 scp->proc = p; 606 scp->pid = scp->proc->p_pid; 607 } 608 return 0; 609 610 case VT_GETMODE: /* get screen switcher mode */ 611 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 612 return 0; 613 614 case VT_RELDISP: /* screen switcher ioctl */ 615 switch(*data) { 616 case VT_FALSE: /* user refuses to release screen, abort */ 617 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 618 old_scp->status &= ~SWITCH_WAIT_REL; 619 switch_in_progress = 0; 620 return 0; 621 } 622 return EINVAL; 623 624 case VT_TRUE: /* user has released screen, go on */ 625 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 626 scp->status &= ~SWITCH_WAIT_REL; 627 exchange_scr(); 628 if (new_scp->smode.mode == VT_PROCESS) { 629 new_scp->status |= SWITCH_WAIT_ACQ; 630 psignal(new_scp->proc, 631 new_scp->smode.acqsig); 632 } 633 else 634 switch_in_progress = 0; 635 return 0; 636 } 637 return EINVAL; 638 639 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 640 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 641 scp->status &= ~SWITCH_WAIT_ACQ; 642 switch_in_progress = 0; 643 return 0; 644 } 645 return EINVAL; 646 647 default: 648 return EINVAL; 649 } 650 /* NOT REACHED */ 651 652 case VT_OPENQRY: /* return free virtual console */ 653 for (i = 0; i < NCONS; i++) 654#if defined(NetBSD) 655 if (!(pc_tty[i]->t_state & TS_ISOPEN)) { 656#else 657 if (!(pccons[i].t_state & TS_ISOPEN)) { 658#endif 659 *data = i + 1; 660 return 0; 661 } 662 return EINVAL; 663 /* NOT REACHED */ 664 665 case VT_ACTIVATE: /* switch to screen *data */ 666 return switch_scr((*data) - 1); 667 668 case VT_WAITACTIVE: /* wait for switch to occur */ 669 if (*data > NCONS) 670 return EINVAL; 671 if (minor(dev) == (*data) - 1) 672 return 0; 673 if (*data == 0) { 674 if (scp == cur_console) 675 return 0; 676 while ((error=tsleep((caddr_t)&scp->smode, 677 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 678 } 679 else 680 while ((error=tsleep( 681 (caddr_t)&console[*data].smode, 682 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 683 return error; 684 685 case VT_GETACTIVE: 686 *data = get_scr_num(scp)+1; 687 return 0; 688 689 case KDENABIO: /* allow io operations */ 690 fp = (frametype *)p->p_regs; 691 fp->eflags |= PSL_IOPL; 692 return 0; 693 694 case KDDISABIO: /* disallow io operations (default) */ 695 fp = (frametype *)p->p_regs; 696 fp->eflags &= ~PSL_IOPL; 697 return 0; 698 699 case KDSETMODE: /* set current mode of this (virtual) console */ 700 switch (*data) { 701 case KD_TEXT: /* switch to TEXT (known) mode */ 702 /* restore fonts & palette ! */ 703 if (crtc_vga) { 704 load_font(0, 16, font_8x16); 705 load_font(1, 8, font_8x8); 706 load_font(2, 14, font_8x14); 707 load_palette(); 708 } 709 /* FALL THROUGH */ 710 711 case KD_TEXT1: /* switch to TEXT (known) mode */ 712 /* no restore fonts & palette */ 713 scp->status &= ~UNKNOWN_MODE; 714 set_mode(scp); 715 clear_screen(scp); 716 return 0; 717 718 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 719 scp->status |= UNKNOWN_MODE; 720 return 0; 721 default: 722 return EINVAL; 723 } 724 /* NOT REACHED */ 725 726 case KDGETMODE: /* get current mode of this (virtual) console */ 727 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 728 return 0; 729 730 case KDSBORDER: /* set border color of this (virtual) console */ 731 if (!crtc_vga) 732 return ENXIO; 733 scp->border = *data; 734 if (scp == cur_console) 735 set_border(scp->border); 736 return 0; 737 738 case KDSKBSTATE: /* set keyboard state (locks) */ 739 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 740 scp->status &= ~LOCK_KEY_MASK; 741 scp->status |= *data; 742 if (scp == cur_console) 743 update_leds(scp->status & LED_MASK); 744 return 0; 745 } 746 return EINVAL; 747 748 case KDGKBSTATE: /* get keyboard state (locks) */ 749 *data = scp->status & LOCK_KEY_MASK; 750 return 0; 751 752 case KDSETRAD: /* set keyboard repeat & delay rates */ 753 if (*(u_char*)data < 0x80) { 754 kbd_cmd(KB_SETRAD); 755 kbd_cmd(*data & 0x7f); 756 return 0; 757 } 758 return EINVAL; 759 760 case KDSKBMODE: /* set keyboard mode */ 761 switch (*data) { 762 case K_RAW: /* switch to RAW scancode mode */ 763 scp->status |= KBD_RAW_MODE; 764 return 0; 765 766 case K_XLATE: /* switch to XLT ascii mode */ 767 scp->status &= ~KBD_RAW_MODE; 768 return 0; 769 default: 770 return EINVAL; 771 } 772 /* NOT REACHED */ 773 774 case KDGKBMODE: /* get keyboard mode */ 775 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 776 return 0; 777 778 case KDMKTONE: /* sound the bell */ 779 if (scp == cur_console) 780 sysbeep(scp->bell_pitch, scp->bell_duration); 781 return 0; 782 783 case KIOCSOUND: /* make tone (*data) hz */ 784 if (scp == cur_console) { 785 if (*(int*)data) { 786 int pitch = TIMER_FREQ/(*(int*)data); 787 /* enable counter 2 */ 788 outb(0x61, inb(0x61) | 3); 789 /* set command for counter 2, 2 byte write */ 790 outb(TIMER_MODE, 791 TIMER_SEL2|TIMER_16BIT|TIMER_SQWAVE); 792 /* set pitch */ 793 outb(TIMER_CNTR2, pitch); 794 outb(TIMER_CNTR2, (pitch>>8)); 795 } 796 else { 797 /* disable counter 2 */ 798 outb(0x61, inb(0x61) & 0xFC); 799 } 800 } 801 return 0; 802 803 case KDGKBTYPE: /* get keyboard type */ 804 *data = 0; /* type not known (yet) */ 805 return 0; 806 807 case KDSETLED: /* set keyboard LED status */ 808 if (*data >= 0 && *data <= LED_MASK) { 809 scp->status &= ~LED_MASK; 810 scp->status |= *data; 811 if (scp == cur_console) 812 update_leds(scp->status & LED_MASK); 813 return 0; 814 } 815 return EINVAL; 816 817 case KDGETLED: /* get keyboard LED status */ 818 *data = scp->status & LED_MASK; 819 return 0; 820 821 case GETFKEY: /* get functionkey string */ 822 if (*(u_short*)data < n_fkey_tab) { 823 fkeyarg_t *ptr = (fkeyarg_t*)data; 824 bcopy(&fkey_tab[ptr->keynum].str, 825 ptr->keydef, 826 fkey_tab[ptr->keynum].len); 827 ptr->flen = fkey_tab[ptr->keynum].len; 828 return 0; 829 } 830 else 831 return EINVAL; 832 833 case SETFKEY: /* set functionkey string */ 834 if (*(u_short*)data < n_fkey_tab) { 835 fkeyarg_t *ptr = (fkeyarg_t*)data; 836 bcopy(ptr->keydef, 837 &fkey_tab[ptr->keynum].str, 838 min(ptr->flen, MAXFK)); 839 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 840 return 0; 841 } 842 else 843 return EINVAL; 844 845 case GIO_SCRNMAP: /* get output translation table */ 846 bcopy(&scr_map, data, sizeof(scr_map)); 847 return 0; 848 849 case PIO_SCRNMAP: /* set output translation table */ 850 bcopy(data, &scr_map, sizeof(scr_map)); 851 return 0; 852 853 case GIO_KEYMAP: /* get keyboard translation table */ 854 bcopy(&key_map, data, sizeof(key_map)); 855 return 0; 856 857 case PIO_KEYMAP: /* set keyboard translation table */ 858 bcopy(data, &key_map, sizeof(key_map)); 859 return 0; 860 861 case PIO_FONT8x8: /* set 8x8 dot font */ 862 if (!crtc_vga) 863 return ENXIO; 864 bcopy(data, &font_8x8, sizeof(font_8x8)); 865 load_font(1, 8, font_8x8); 866 return 0; 867 868 case GIO_FONT8x8: /* get 8x8 dot font */ 869 if (!crtc_vga) 870 return ENXIO; 871 bcopy(&font_8x8, data, sizeof(font_8x8)); 872 return 0; 873 874 case PIO_FONT8x14: /* set 8x14 dot font */ 875 if (!crtc_vga) 876 return ENXIO; 877 bcopy(data, &font_8x14, sizeof(font_8x14)); 878 load_font(2, 14, font_8x14); 879 return 0; 880 881 case GIO_FONT8x14: /* get 8x14 dot font */ 882 if (!crtc_vga) 883 return ENXIO; 884 bcopy(&font_8x14, data, sizeof(font_8x14)); 885 return 0; 886 887 case PIO_FONT8x16: /* set 8x16 dot font */ 888 if (!crtc_vga) 889 return ENXIO; 890 bcopy(data, &font_8x16, sizeof(font_8x16)); 891 load_font(0, 16, font_8x16); 892 return 0; 893 894 case GIO_FONT8x16: /* get 8x16 dot font */ 895 if (!crtc_vga) 896 return ENXIO; 897 bcopy(&font_8x16, data, sizeof(font_8x16)); 898 return 0; 899 900 case CONSOLE_X_MODE_ON: /* just to be compatible */ 901 if (saved_console < 0) { 902 saved_console = get_scr_num(cur_console); 903 switch_scr(minor(dev)); 904 fp = (frametype *)p->p_regs; 905 fp->eflags |= PSL_IOPL; 906 scp->status |= UNKNOWN_MODE; 907 scp->status |= KBD_RAW_MODE; 908 return 0; 909 } 910 return EAGAIN; 911 912 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 913 fp = (frametype *)p->p_regs; 914 fp->eflags &= ~PSL_IOPL; 915 if (crtc_vga) { 916 load_font(0, 16, font_8x16); 917 load_font(1, 8, font_8x8); 918 load_font(2, 14, font_8x14); 919 load_palette(); 920 } 921 scp->status &= ~UNKNOWN_MODE; 922 set_mode(scp); 923 clear_screen(scp); 924 scp->status &= ~KBD_RAW_MODE; 925 switch_scr(saved_console); 926 saved_console = -1; 927 return 0; 928 929 case CONSOLE_X_BELL: /* more compatibility */ 930 /* 931 * if set, data is a pointer to a length 2 array of 932 * integers. data[0] is the pitch in Hz and data[1] 933 * is the duration in msec. 934 */ 935 if (data) 936 sysbeep(TIMER_FREQ/((int*)data)[0], 937 ((int*)data)[1]*hz/3000); 938 else 939 sysbeep(scp->bell_pitch, scp->bell_duration); 940 return 0; 941 942 default: 943 break; 944 } 945 946 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 947 if (error >= 0) 948 return(error); 949 error = ttioctl(tp, cmd, data, flag); 950 if (error >= 0) 951 return(error); 952 return(ENOTTY); 953} 954 955 956pcxint(dev_t dev) 957{ 958 int unit = minor(dev); 959 960#if defined(NetBSD) 961 if (!pc_tty[unit]) 962 return; 963 pc_tty[unit]->t_state &= ~TS_BUSY; 964 if (pc_tty[unit]->t_line) 965 (*linesw[pc_tty[unit]->t_line].l_start)(pc_tty[unit]); 966 else 967 pcstart(pc_tty[unit]); 968#else 969 pccons[unit].t_state &= ~TS_BUSY; 970 if (pccons[unit].t_line) 971 (*linesw[pccons[unit].t_line].l_start)(&pccons[unit]); 972 else 973 pcstart(&pccons[unit]); 974#endif 975} 976 977 978pcstart(struct tty *tp) 979{ 980#if defined(NetBSD) 981 struct clist *rbp; 982 int i, s, len; 983 u_char buf[PCBURST]; 984 scr_stat *scp = get_scr_stat(tp->t_dev); 985 986 if (scp->status & SLKED) 987 return; 988 s = spltty(); 989 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 990 tp->t_state |= TS_BUSY; 991 splx(s); 992 rbp = &tp->t_outq; 993 len = q_to_b(rbp, buf, PCBURST); 994 for (i=0; i<len; i++) 995 if (buf[i]) ansi_put(scp, buf[i]); 996 s = spltty(); 997 tp->t_state &= ~TS_BUSY; 998 if (rbp->c_cc) { 999 tp->t_state |= TS_TIMEOUT; 1000 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1001 } 1002 if (rbp->c_cc <= tp->t_lowat) { 1003 if (tp->t_state & TS_ASLEEP) { 1004 tp->t_state &= ~TS_ASLEEP; 1005 wakeup((caddr_t)rbp); 1006 } 1007 selwakeup(&tp->t_wsel); 1008 } 1009 1010 } 1011 splx(s); 1012#else 1013 int c, s; 1014 scr_stat *scp = get_scr_stat(tp->t_dev); 1015 1016 s = spltty(); 1017 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 1018 for (;;) { 1019 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 1020 if (tp->t_state & TS_ASLEEP) { 1021 tp->t_state &= ~TS_ASLEEP; 1022 wakeup((caddr_t)&tp->t_out); 1023 } 1024 if (tp->t_wsel) { 1025 selwakeup(tp->t_wsel, 1026 tp->t_state & TS_WCOLL); 1027 tp->t_wsel = 0; 1028 tp->t_state &= ~TS_WCOLL; 1029 } 1030 } 1031 if (RB_LEN(&tp->t_out) == 0) 1032 break; 1033 if (scp->status & SLKED) 1034 break; 1035 c = getc(&tp->t_out); 1036 tp->t_state |= TS_BUSY; 1037 splx(s); 1038 ansi_put(scp, c); 1039 s = spltty(); 1040 tp->t_state &= ~TS_BUSY; 1041 } 1042 splx(s); 1043#endif 1044} 1045 1046 1047pccnprobe(struct consdev *cp) 1048{ 1049 int maj; 1050 1051 /* locate the major number */ 1052 for (maj = 0; maj < nchrdev; maj++) 1053 if (cdevsw[maj].d_open == pcopen) 1054 break; 1055 1056 /* initialize required fields */ 1057 cp->cn_dev = makedev(maj, 0); 1058#if !defined(NetBSD) 1059 cp->cn_tp = &pccons[0]; 1060#endif 1061 cp->cn_pri = CN_INTERNAL; 1062} 1063 1064 1065pccninit(struct consdev *cp) 1066{ 1067 scinit(); 1068} 1069 1070 1071pccnputc(dev_t dev, char c) 1072{ 1073 int pos; 1074 1075 if (cur_console->status & UNKNOWN_MODE) 1076 return; 1077 if (c == '\n') 1078 sput('\r'); 1079 sput(c); 1080 pos = cur_console->crtat - cur_console->crt_base; 1081 if (pos != cur_cursor_pos) { 1082 cur_cursor_pos = pos; 1083 outb(crtc_addr,14); 1084 outb(crtc_addr+1,pos >> 8); 1085 outb(crtc_addr,15); 1086 outb(crtc_addr+1,pos&0xff); 1087 } 1088} 1089 1090 1091pccngetc(dev_t dev) 1092{ 1093 int c, s; 1094 1095 s = spltty(); /* block scintr while we poll */ 1096 c = sgetc(0); 1097 splx(s); 1098 if (c == '\r') c = '\n'; 1099 return(c); 1100} 1101 1102#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1103 1104static void scrn_saver(int test) 1105{ 1106 u_char val; 1107 1108 if (test) { 1109 scrn_blanked = 1; 1110 outb(TSIDX, 0x01); val = inb(TSREG); 1111 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1112 } 1113 else { 1114 scrn_blanked = 0; 1115 outb(TSIDX, 0x01); val = inb(TSREG); 1116 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1117 } 1118} 1119#endif 1120#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1121 1122static u_long rand_next = 1; 1123 1124static rand() 1125{ 1126 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1127} 1128#endif 1129#if defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1130/* 1131 * Alternate saver that got its inspiration from a well known utility 1132 * package for an unfamous OS. 1133 */ 1134 1135#define NUM_STARS 50 1136 1137static void scrn_saver(int test) 1138{ 1139 scr_stat *scp = cur_console; 1140 int cell, i; 1141 char pattern[] = {"...........++++*** "}; 1142 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1143 FG_WHITE, FG_LIGHTCYAN}; 1144 static u_short stars[NUM_STARS][2]; 1145 1146 if (test) { 1147 if (!scrn_blanked) { 1148 bcopy(Crtat, scp->scr, 1149 scp->max_posx * scp->max_posy * 2); 1150 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1151 scp->max_posx * scp->max_posy); 1152 set_border(0); 1153 i = scp->max_posy * scp->max_posx + 5; 1154 outb(crtc_addr, 14); 1155 outb(crtc_addr+1, i >> 8); 1156 outb(crtc_addr, 15); 1157 outb(crtc_addr+1, i & 0xff); 1158 scrn_blanked = 1; 1159 for(i=0; i<NUM_STARS; i++) { 1160 stars[i][0] = 1161 rand() % (scp->max_posx*scp->max_posy); 1162 stars[i][1] = 0; 1163 } 1164 } 1165 cell = rand() % NUM_STARS; 1166 *((u_short*)(Crtat + stars[cell][0])) = 1167 scr_map[pattern[stars[cell][1]]] | 1168 colors[rand()%sizeof(colors)] << 8; 1169 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1170 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1171 stars[cell][1] = 0; 1172 } 1173 } 1174 else { 1175 if (scrn_blanked) { 1176 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1177 cur_cursor_pos = -1; 1178 set_border(scp->border); 1179 scrn_blanked = 0; 1180 } 1181 } 1182} 1183#endif 1184#if defined(SNAKE_SAVER) && !defined(STAR_SAVER) 1185/* 1186 * alternative screen saver for cards that do not like blanking 1187 */ 1188 1189static void scrn_saver(int test) 1190{ 1191 const char saves[] = {"FreeBSD"}; 1192 static u_char *savs[sizeof(saves)-1]; 1193 static int dirx, diry; 1194 int f; 1195 scr_stat *scp = cur_console; 1196 1197 if (test) { 1198 if (!scrn_blanked) { 1199 bcopy(Crtat, scp->scr, 1200 scp->max_posx * scp->max_posy * 2); 1201 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1202 scp->max_posx * scp->max_posy); 1203 set_border(0); 1204 dirx = (scp->posx ? 1 : -1); 1205 diry = (scp->posy ? 1206 scp->max_posx : -scp->max_posx); 1207 for (f=0; f< sizeof(saves)-1; f++) 1208 savs[f] = (u_char *)Crtat + 2 * 1209 (scp->posx+scp->posy*scp->max_posx); 1210 *(savs[0]) = scr_map[*saves]; 1211 f = scp->max_posy * scp->max_posx + 5; 1212 outb(crtc_addr, 14); 1213 outb(crtc_addr+1, f >> 8); 1214 outb(crtc_addr, 15); 1215 outb(crtc_addr+1, f & 0xff); 1216 scrn_blanked = 1; 1217 } 1218 if (scrn_blanked++ < 4) 1219 return; 1220 scrn_blanked = 1; 1221 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1222 for (f=sizeof(saves)-2; f > 0; f--) 1223 savs[f] = savs[f-1]; 1224 f = (savs[0] - (u_char *)Crtat) / 2; 1225 if ((f % scp->max_posx) == 0 || 1226 (f % scp->max_posx) == scp->max_posx - 1 || 1227 (rand() % 50) == 0) 1228 dirx = -dirx; 1229 if ((f / scp->max_posx) == 0 || 1230 (f / scp->max_posx) == scp->max_posy - 1 || 1231 (rand() % 20) == 0) 1232 diry = -diry; 1233 savs[0] += 2*dirx + 2*diry; 1234 for (f=sizeof(saves)-2; f>=0; f--) 1235 *(savs[f]) = scr_map[saves[f]]; 1236 } 1237 else { 1238 if (scrn_blanked) { 1239 bcopy(scp->scr, Crtat, 1240 scp->max_posx * scp->max_posy * 2); 1241 cur_cursor_pos = -1; 1242 set_border(scp->border); 1243 scrn_blanked = 0; 1244 } 1245 } 1246} 1247#endif 1248 1249static void cursor_shape(int start, int end) 1250{ 1251 outb(crtc_addr, 10); 1252 outb(crtc_addr+1, start & 0xFF); 1253 outb(crtc_addr, 11); 1254 outb(crtc_addr+1, end & 0xFF); 1255} 1256 1257 1258static void get_cursor_shape(int *start, int *end) 1259{ 1260 outb(crtc_addr, 10); 1261 *start = inb(crtc_addr+1) & 0x1F; 1262 outb(crtc_addr, 11); 1263 *end = inb(crtc_addr+1) & 0x1F; 1264} 1265 1266 1267static void cursor_pos(void) 1268{ 1269 int pos; 1270 1271 if (cur_console->status & UNKNOWN_MODE) 1272 return; 1273 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1274 scrn_saver(1); 1275 pos = cur_console->crtat - cur_console->crt_base; 1276 if (!scrn_blanked && pos != cur_cursor_pos) { 1277 cur_cursor_pos = pos; 1278 outb(crtc_addr, 14); 1279 outb(crtc_addr+1, pos>>8); 1280 outb(crtc_addr, 15); 1281 outb(crtc_addr+1, pos&0xff); 1282 } 1283 timeout((timeout_t)cursor_pos, 0, hz/20); 1284} 1285 1286 1287static void clear_screen(scr_stat *scp) 1288{ 1289 move_crsr(scp, 0, 0); 1290 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1291 scp->max_posx * scp->max_posy); 1292} 1293 1294 1295static switch_scr(u_int next_scr) 1296{ 1297 if (in_putc) { /* don't switch if in putc */ 1298 nx_scr = next_scr+1; 1299 return 0; 1300 } 1301 if (switch_in_progress && 1302 (cur_console->proc != pfind(cur_console->pid))) 1303 switch_in_progress = 0; 1304 if (next_scr >= NCONS || switch_in_progress) { 1305 sysbeep(BELL_PITCH, BELL_DURATION); 1306 return -1; 1307 } 1308 switch_in_progress = 1; 1309 old_scp = cur_console; 1310 new_scp = &console[next_scr]; 1311 wakeup((caddr_t)&new_scp->smode); 1312 if (new_scp == old_scp) { 1313 switch_in_progress = 0; 1314 return 0; 1315 } 1316 1317 /* has controlling process died? */ 1318 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1319 old_scp->smode.mode = VT_AUTO; 1320 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1321 new_scp->smode.mode = VT_AUTO; 1322 1323 /* check the modes and switch approbiatly */ 1324 if (old_scp->smode.mode == VT_PROCESS) { 1325 old_scp->status |= SWITCH_WAIT_REL; 1326 psignal(old_scp->proc, old_scp->smode.relsig); 1327 } 1328 else { 1329 exchange_scr(); 1330 if (new_scp->smode.mode == VT_PROCESS) { 1331 new_scp->status |= SWITCH_WAIT_ACQ; 1332 psignal(new_scp->proc, new_scp->smode.acqsig); 1333 } 1334 else 1335 switch_in_progress = 0; 1336 } 1337 return 0; 1338} 1339 1340 1341static void exchange_scr(void) 1342{ 1343 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1344 old_scp->crt_base = old_scp->scr; 1345 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1346 cur_console = new_scp; 1347#if defined(NetBSD) 1348 cur_tty = pc_tty[get_scr_num(new_scp)]; 1349#else 1350 cur_tty = &pccons[get_scr_num(new_scp)]; 1351#endif 1352 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1353 shfts = ctls = alts = agrs = metas = 0; 1354 update_leds(new_scp->status & LED_MASK); 1355 set_mode(new_scp); 1356 new_scp->crt_base = Crtat; 1357 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1358 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1359 nx_scr = 0; 1360} 1361 1362 1363static void move_crsr(scr_stat *scp, int x, int y) 1364{ 1365 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1366 return; 1367 scp->posx = x; 1368 scp->posy = y; 1369 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1370} 1371 1372 1373static void move_up(u_short *s, u_short *d, u_int len) 1374{ 1375 s += len; 1376 d += len; 1377 while (len-- > 0) 1378 *--d = *--s; 1379} 1380 1381 1382static void move_down(u_short *s, u_short *d, u_int len) 1383{ 1384 while (len-- > 0) 1385 *d++ = *s++; 1386} 1387 1388 1389static void scan_esc(scr_stat *scp, u_char c) 1390{ 1391 static u_char ansi_col[16] = 1392 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1393 int i, n; 1394 u_short *src, *dst, count; 1395 1396 if (scp->term.esc == 1) { 1397 switch (c) { 1398 1399 case '[': /* Start ESC [ sequence */ 1400 scp->term.esc = 2; 1401 scp->term.last_par = -1; 1402 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1403 scp->term.par[i] = 1; 1404 scp->term.n_par = 0; 1405 return; 1406 1407 case 'M': /* Move cursor up 1 line, scroll if at top */ 1408 if (scp->posy > 0) 1409 move_crsr(scp, scp->posx, scp->posy - 1); 1410 else { 1411 move_up(scp->crt_base, 1412 scp->crt_base + scp->max_posx, 1413 (scp->max_posy - 1) * scp->max_posx); 1414 fillw(scp->term.attr | scr_map[0x20], 1415 scp->crt_base, scp->max_posx); 1416 } 1417 break; 1418#if notyet 1419 case 'Q': 1420 scp->term.esc = 4; 1421 break; 1422#endif 1423 case 'c': /* Clear screen & home */ 1424 clear_screen(scp); 1425 break; 1426 } 1427 } 1428 else if (scp->term.esc == 2) { 1429 if (c >= '0' && c <= '9') { 1430 if (scp->term.n_par < MAX_ESC_PAR) { 1431 if (scp->term.last_par != scp->term.n_par) { 1432 scp->term.last_par = scp->term.n_par; 1433 scp->term.par[scp->term.n_par] = 0; 1434 } 1435 else 1436 scp->term.par[scp->term.n_par] *= 10; 1437 scp->term.par[scp->term.n_par] += c - '0'; 1438 return; 1439 } 1440 } 1441 scp->term.n_par = scp->term.last_par + 1; 1442 switch (c) { 1443 1444 case ';': 1445 if (scp->term.n_par < MAX_ESC_PAR) 1446 return; 1447 break; 1448 1449 case '=': 1450 scp->term.esc = 3; 1451 scp->term.last_par = -1; 1452 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1453 scp->term.par[i] = 1; 1454 scp->term.n_par = 0; 1455 return; 1456 1457 case 'A': /* up n rows */ 1458 n = scp->term.par[0]; if (n < 1) n = 1; 1459 move_crsr(scp, scp->posx, scp->posy - n); 1460 break; 1461 1462 case 'B': /* down n rows */ 1463 n = scp->term.par[0]; if (n < 1) n = 1; 1464 move_crsr(scp, scp->posx, scp->posy + n); 1465 break; 1466 1467 case 'C': /* right n columns */ 1468 n = scp->term.par[0]; if (n < 1) n = 1; 1469 move_crsr(scp, scp->posx + n, scp->posy); 1470 break; 1471 1472 case 'D': /* left n columns */ 1473 n = scp->term.par[0]; if (n < 1) n = 1; 1474 move_crsr(scp, scp->posx - n, scp->posy); 1475 break; 1476 1477 case 'E': /* cursor to start of line n lines down */ 1478 n = scp->term.par[0]; if (n < 1) n = 1; 1479 move_crsr(scp, 0, scp->posy + n); 1480 break; 1481 1482 case 'F': /* cursor to start of line n lines up */ 1483 n = scp->term.par[0]; if (n < 1) n = 1; 1484 move_crsr(scp, 0, scp->posy - n); 1485 break; 1486 1487 case 'f': /* System V consoles .. */ 1488 case 'H': /* Cursor move */ 1489 if (scp->term.n_par == 0) 1490 move_crsr(scp, 0, 0); 1491 else if (scp->term.n_par == 2) 1492 move_crsr(scp, scp->term.par[1] - 1, 1493 scp->term.par[0] - 1); 1494 break; 1495 1496 case 'J': /* Clear all or part of display */ 1497 if (scp->term.n_par == 0) 1498 n = 0; 1499 else 1500 n = scp->term.par[0]; 1501 switch (n) { 1502 case 0: /* clear form cursor to end of display */ 1503 fillw(scp->term.attr | scr_map[0x20], 1504 scp->crtat, scp->crt_base + 1505 scp->max_posx * scp->max_posy - 1506 scp->crtat); 1507 break; 1508 case 1: /* clear from beginning of display to cursor */ 1509 fillw(scp->term.attr | scr_map[0x20], 1510 scp->crt_base, 1511 scp->crtat - scp->crt_base); 1512 break; 1513 case 2: /* clear entire display */ 1514 clear_screen(scp); 1515 break; 1516 } 1517 break; 1518 1519 case 'K': /* Clear all or part of line */ 1520 if (scp->term.n_par == 0) 1521 n = 0; 1522 else 1523 n = scp->term.par[0]; 1524 switch (n) { 1525 case 0: /* clear form cursor to end of line */ 1526 fillw(scp->term.attr | scr_map[0x20], 1527 scp->crtat, scp->max_posx - scp->posx); 1528 break; 1529 case 1: /* clear from beginning of line to cursor */ 1530 fillw(scp->term.attr|scr_map[0x20], 1531 scp->crtat - (scp->max_posx - scp->posx), 1532 (scp->max_posx - scp->posx) + 1); 1533 break; 1534 case 2: /* clear entire line */ 1535 fillw(scp->term.attr|scr_map[0x20], 1536 scp->crtat - (scp->max_posx - scp->posx), 1537 scp->max_posx); 1538 break; 1539 } 1540 break; 1541 1542 case 'L': /* Insert n lines */ 1543 n = scp->term.par[0]; if (n < 1) n = 1; 1544 if (n > scp->max_posy - scp->posy) 1545 n = scp->max_posy - scp->posy; 1546 src = scp->crt_base + scp->posy * scp->max_posx; 1547 dst = src + n * scp->max_posx; 1548 count = scp->max_posy - (scp->posy + n); 1549 move_up(src, dst, count * scp->max_posx); 1550 fillw(scp->term.attr | scr_map[0x20], src, 1551 n * scp->max_posx); 1552 break; 1553 1554 case 'M': /* Delete n lines */ 1555 n = scp->term.par[0]; if (n < 1) n = 1; 1556 if (n > scp->max_posy - scp->posy) 1557 n = scp->max_posy - scp->posy; 1558 dst = scp->crt_base + scp->posy * scp->max_posx; 1559 src = dst + n * scp->max_posx; 1560 count = scp->max_posy - (scp->posy + n); 1561 move_down(src, dst, count * scp->max_posx); 1562 src = dst + count * scp->max_posx; 1563 fillw(scp->term.attr | scr_map[0x20], src, 1564 n * scp->max_posx); 1565 break; 1566 1567 case 'P': /* Delete n chars */ 1568 n = scp->term.par[0]; if (n < 1) n = 1; 1569 if (n > scp->max_posx - scp->posx) 1570 n = scp->max_posx - scp->posx; 1571 dst = scp->crtat; 1572 src = dst + n; 1573 count = scp->max_posx - (scp->posx + n); 1574 move_down(src, dst, count); 1575 src = dst + count; 1576 fillw(scp->term.attr | scr_map[0x20], src, n); 1577 break; 1578 1579 case '@': /* Insert n chars */ 1580 n = scp->term.par[0]; if (n < 1) n = 1; 1581 if (n > scp->max_posx - scp->posx) 1582 n = scp->max_posx - scp->posx; 1583 src = scp->crtat; 1584 dst = src + n; 1585 count = scp->max_posx - (scp->posx + n); 1586 move_up(src, dst, count); 1587 fillw(scp->term.attr | scr_map[0x20], src, n); 1588 break; 1589 1590 case 'S': /* scroll up n lines */ 1591 n = scp->term.par[0]; if (n < 1) n = 1; 1592 bcopy(scp->crt_base + (scp->max_posx * n), 1593 scp->crt_base, 1594 scp->max_posx * (scp->max_posy - n) * 1595 sizeof(u_short)); 1596 fillw(scp->term.attr | scr_map[0x20], 1597 scp->crt_base + scp->max_posx * 1598 (scp->max_posy - 1), 1599 scp->max_posx); 1600 break; 1601 1602 case 'T': /* scroll down n lines */ 1603 n = scp->term.par[0]; if (n < 1) n = 1; 1604 bcopy(scp->crt_base, 1605 scp->crt_base + (scp->max_posx * n), 1606 scp->max_posx * (scp->max_posy - n) * 1607 sizeof(u_short)); 1608 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1609 scp->max_posx); 1610 break; 1611 1612 case 'X': /* delete n characters in line */ 1613 n = scp->term.par[0]; if (n < 1) n = 1; 1614 fillw(scp->term.attr | scr_map[0x20], 1615 scp->crt_base + scp->posx + 1616 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1617 break; 1618 1619 case 'Z': /* move n tabs backwards */ 1620 n = scp->term.par[0]; if (n < 1) n = 1; 1621 if ((i = scp->posx & 0xf8) == scp->posx) 1622 i -= 8*n; 1623 else 1624 i -= 8*(n-1); 1625 if (i < 0) 1626 i = 0; 1627 move_crsr(scp, i, scp->posy); 1628 break; 1629 1630 case '`': /* move cursor to column n */ 1631 n = scp->term.par[0]; if (n < 1) n = 1; 1632 move_crsr(scp, n, scp->posy); 1633 break; 1634 1635 case 'a': /* move cursor n columns to the right */ 1636 n = scp->term.par[0]; if (n < 1) n = 1; 1637 move_crsr(scp, scp->posx + n, scp->posy); 1638 break; 1639 1640 case 'd': /* move cursor to row n */ 1641 n = scp->term.par[0]; if (n < 1) n = 1; 1642 move_crsr(scp, scp->posx, n); 1643 break; 1644 1645 case 'e': /* move cursor n rows down */ 1646 n = scp->term.par[0]; if (n < 1) n = 1; 1647 move_crsr(scp, scp->posx, scp->posy + n); 1648 break; 1649 1650 case 'm': /* change attribute */ 1651 if (scp->term.n_par == 0) 1652 n = 0; 1653 else 1654 n = scp->term.par[0]; 1655 switch (n) { 1656 case 0: /* back to normal */ 1657 scp->term.attr = scp->term.std_attr; 1658 break; 1659 case 1: /* highlight (bold) */ 1660 scp->term.attr &= 0xFF00; 1661 scp->term.attr |= 0x0800; 1662 break; 1663 case 4: /* highlight (underline) */ 1664 scp->term.attr &= 0x0F00; 1665 scp->term.attr |= 0x0800; 1666 break; 1667 case 5: /* blink */ 1668 scp->term.attr &= 0xFF00; 1669 scp->term.attr |= 0x8000; 1670 break; 1671 case 7: /* reverse video */ 1672 scp->term.attr = scp->term.rev_attr; 1673 break; 1674 case 30: case 31: case 32: case 33: /* set fg color */ 1675 case 34: case 35: case 36: case 37: 1676 scp->term.attr = (scp->term.attr & 0xF0FF) 1677 | (ansi_col[(n - 30) & 7] << 8); 1678 break; 1679 case 40: case 41: case 42: case 43: /* set bg color */ 1680 case 44: case 45: case 46: case 47: 1681 scp->term.attr = (scp->term.attr & 0x0FFF) 1682 | (ansi_col[(n - 40) & 7] << 12); 1683 break; 1684 } 1685 break; 1686 1687 case 'x': 1688 if (scp->term.n_par == 0) 1689 n = 0; 1690 else 1691 n = scp->term.par[0]; 1692 switch (n) { 1693 case 0: /* reset attributes */ 1694 scp->term.attr = scp->term.std_attr = 1695 current_default->std_attr; 1696 scp->term.rev_attr = current_default->rev_attr; 1697 break; 1698 case 1: /* set ansi background */ 1699 scp->term.attr = scp->term.std_attr = 1700 (scp->term.std_attr & 0x0F00) | 1701 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1702 break; 1703 case 2: /* set ansi foreground */ 1704 scp->term.attr = scp->term.std_attr = 1705 (scp->term.std_attr & 0xF000) | 1706 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1707 break; 1708 case 3: /* set ansi attribute directly */ 1709 scp->term.attr = scp->term.std_attr = 1710 (scp->term.par[1]&0xFF)<<8; 1711 break; 1712 case 5: /* set ansi reverse video background */ 1713 scp->term.rev_attr = 1714 (scp->term.rev_attr & 0x0F00) | 1715 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1716 break; 1717 case 6: /* set ansi reverse video foreground */ 1718 scp->term.rev_attr = 1719 (scp->term.rev_attr & 0xF000) | 1720 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1721 break; 1722 case 7: /* set ansi reverse video directly */ 1723 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1724 break; 1725 } 1726 break; 1727 1728 case 'z': /* switch to (virtual) console n */ 1729 if (scp->term.n_par == 1) 1730 switch_scr(scp->term.par[0]); 1731 break; 1732 } 1733 } 1734 else if (scp->term.esc == 3) { 1735 if (c >= '0' && c <= '9') { 1736 if (scp->term.n_par < MAX_ESC_PAR) { 1737 if (scp->term.last_par != scp->term.n_par) { 1738 scp->term.last_par = scp->term.n_par; 1739 scp->term.par[scp->term.n_par] = 0; 1740 } 1741 else 1742 scp->term.par[scp->term.n_par] *= 10; 1743 scp->term.par[scp->term.n_par] += c - '0'; 1744 return; 1745 } 1746 } 1747 scp->term.n_par = scp->term.last_par + 1; 1748 switch (c) { 1749 1750 case ';': 1751 if (scp->term.n_par < MAX_ESC_PAR) 1752 return; 1753 break; 1754 1755 case 'A': /* set display border color */ 1756 if (scp->term.n_par == 1) 1757 scp->border=scp->term.par[0] & 0xff; 1758 if (scp == cur_console) 1759 set_border(scp->border); 1760 break; 1761 1762 case 'B': /* set bell pitch and duration */ 1763 if (scp->term.n_par == 2) { 1764 scp->bell_pitch = scp->term.par[0]; 1765 scp->bell_duration = scp->term.par[1]*10; 1766 } 1767 break; 1768 1769 case 'C': /* set cursor shape (start & end line) */ 1770 if (scp->term.n_par == 2) { 1771 scp->cursor_start = scp->term.par[0] & 0x1F; 1772 scp->cursor_end = scp->term.par[1] & 0x1F; 1773 if (scp == cur_console) 1774 cursor_shape(scp->cursor_start, 1775 scp->cursor_end); 1776 } 1777 break; 1778 1779 case 'F': /* set ansi foreground */ 1780 if (scp->term.n_par == 1) 1781 scp->term.attr = scp->term.std_attr = 1782 (scp->term.std_attr & 0xF000) 1783 | ((scp->term.par[0] & 0x0F) << 8); 1784 break; 1785 1786 case 'G': /* set ansi background */ 1787 if (scp->term.n_par == 1) 1788 scp->term.attr = scp->term.std_attr = 1789 (scp->term.std_attr & 0x0F00) 1790 | ((scp->term.par[0] & 0x0F) << 12); 1791 break; 1792 1793 case 'H': /* set ansi reverse video foreground */ 1794 if (scp->term.n_par == 1) 1795 scp->term.rev_attr = 1796 (scp->term.rev_attr & 0xF000) 1797 | ((scp->term.par[0] & 0x0F) << 8); 1798 break; 1799 1800 case 'I': /* set ansi reverse video background */ 1801 if (scp->term.n_par == 1) 1802 scp->term.rev_attr = 1803 (scp->term.rev_attr & 0x0F00) 1804 | ((scp->term.par[0] & 0x0F) << 12); 1805 break; 1806 } 1807 } 1808 scp->term.esc = 0; 1809} 1810 1811 1812static void ansi_put(scr_stat *scp, u_char c) 1813{ 1814 if (scp->status & UNKNOWN_MODE) 1815 return; 1816 1817 /* make screensaver happy */ 1818 if (scp == cur_console) { 1819 scrn_time_stamp = time.tv_sec; 1820 if (scrn_blanked) 1821 scrn_saver(0); 1822 } 1823 in_putc++; 1824 if (scp->term.esc) 1825 scan_esc(scp, c); 1826 else switch(c) { 1827 case 0x1B: /* start escape sequence */ 1828 scp->term.esc = 1; 1829 scp->term.n_par = 0; 1830 break; 1831 case 0x07: 1832 if (scp == cur_console) 1833 sysbeep(scp->bell_pitch, scp->bell_duration); 1834 break; 1835 case '\t': /* non-destructive tab */ 1836 scp->crtat += (8 - scp->posx % 8); 1837 scp->posx += (8 - scp->posx % 8); 1838 break; 1839 case '\b': /* non-destructive backspace */ 1840 if (scp->crtat > scp->crt_base) { 1841 scp->crtat--; 1842 if (scp->posx > 0) 1843 scp->posx--; 1844 else { 1845 scp->posx += scp->max_posx - 1; 1846 scp->posy--; 1847 } 1848 } 1849 break; 1850 case '\r': /* return to pos 0 */ 1851 move_crsr(scp, 0, scp->posy); 1852 break; 1853 case '\n': /* newline, same pos */ 1854 scp->crtat += scp->max_posx; 1855 scp->posy++; 1856 break; 1857 case '\f': /* form feed, clears screen */ 1858 clear_screen(scp); 1859 break; 1860 default: 1861 /* Print only printables */ 1862 *scp->crtat = (scp->term.attr | scr_map[c]); 1863 scp->crtat++; 1864 if (++scp->posx >= scp->max_posx) { 1865 scp->posx = 0; 1866 scp->posy++; 1867 } 1868 break; 1869 } 1870 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1871 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1872 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1873 fillw(scp->term.attr | scr_map[0x20], 1874 scp->crt_base + scp->max_posx * (scp->max_posy - 1), 1875 scp->max_posx); 1876 scp->crtat -= scp->max_posx; 1877 scp->posy--; 1878 } 1879 in_putc--; 1880 if (nx_scr) 1881 switch_scr(nx_scr - 1); 1882} 1883 1884static void scinit(void) 1885{ 1886 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1887 unsigned cursorat; 1888 int i; 1889 1890 /* 1891 * catch that once in a blue moon occurence when scinit is called 1892 * TWICE, adding the CGA_BUF offset again -> poooff 1893 */ 1894 if (crtat != 0) 1895 return; 1896 /* 1897 * Crtat initialized to point to MONO buffer, if not present change 1898 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1899 * in the remapped offset at the right time 1900 */ 1901 was = *cp; 1902 *cp = (u_short) 0xA55A; 1903 if (*cp != 0xA55A) { 1904 crtc_addr = MONO_BASE; 1905 } else { 1906 *cp = was; 1907 crtc_addr = COLOR_BASE; 1908 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1909 } 1910 1911 /* Extract cursor location */ 1912 outb(crtc_addr,14); 1913 cursorat = inb(crtc_addr+1)<<8 ; 1914 outb(crtc_addr,15); 1915 cursorat |= inb(crtc_addr+1); 1916 crtat = Crtat + cursorat; 1917 1918 /* is this a VGA or higher ? */ 1919 outb(crtc_addr, 7); 1920 if (inb(crtc_addr) == 7) 1921 crtc_vga = 1; 1922 1923 current_default = &user_default; 1924 console[0].crtat = crtat; 1925 console[0].crt_base = Crtat; 1926 console[0].term.esc = 0; 1927 console[0].term.std_attr = current_default->std_attr; 1928 console[0].term.rev_attr = current_default->rev_attr; 1929 console[0].term.attr = current_default->std_attr; 1930 console[0].posx = cursorat % COL; 1931 console[0].posy = cursorat / COL; 1932 console[0].border = BG_BLACK;; 1933 console[0].max_posx = COL; 1934 console[0].max_posy = ROW; 1935 console[0].status = 0; 1936 console[0].pid = 0; 1937 console[0].proc = NULL; 1938 console[0].smode.mode = VT_AUTO; 1939 console[0].bell_pitch = BELL_PITCH; 1940 console[0].bell_duration = BELL_DURATION; 1941 kernel_console.esc = 0; 1942 kernel_console.std_attr = kernel_default.std_attr; 1943 kernel_console.rev_attr = kernel_default.rev_attr; 1944 kernel_console.attr = kernel_default.std_attr; 1945 /* initialize mapscrn array to */ 1946 for (i=0; i<sizeof(scr_map); i++) 1947 scr_map[i] = i; 1948 clear_screen(&console[0]); 1949} 1950 1951 1952static void sput(u_char c) 1953{ 1954 scr_stat *scp = &console[0]; 1955 term_stat save; 1956 1957 if (crtat == 0) 1958 scinit(); 1959 save = scp->term; 1960 scp->term = kernel_console; 1961 current_default = &kernel_default; 1962 ansi_put(scp, c); 1963 kernel_console = scp->term; 1964 current_default = &user_default; 1965 scp->term = save; 1966} 1967 1968 1969static u_char *get_fstr(u_int c, u_int *len) 1970{ 1971 u_int i; 1972 1973 if (!(c & FKEY)) 1974 return(NULL); 1975 i = (c & 0xFF) - F_FN; 1976 if (i > n_fkey_tab) 1977 return(NULL); 1978 *len = fkey_tab[i].len; 1979 return(fkey_tab[i].str); 1980} 1981 1982 1983static update_leds(int which) 1984{ 1985 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 1986 1987 kbd_cmd(KB_SETLEDS); /* LED Command */ 1988 kbd_cmd(xlate_leds[which & LED_MASK]); 1989 kbd_wait(); 1990} 1991 1992 1993static volatile void reset_cpu(void) 1994{ 1995 while (1) { 1996 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 1997 DELAY(4000000); 1998 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 1999 } 2000} 2001 2002 2003/* 2004 * sgetc(noblock) : get a character from the keyboard. 2005 * If noblock = 0 wait until a key is gotten. Otherwise return NOKEY. 2006 */ 2007u_int sgetc(int noblock) 2008{ 2009 u_char val, code, release; 2010 u_int state, action; 2011 struct key_t *key; 2012 static u_char esc_flag = 0, compose = 0; 2013 static u_int chr = 0; 2014 2015next_code: 2016 kbd_wait(); 2017 /* First see if there is something in the keyboard port */ 2018 if (inb(KB_STAT) & KB_BUF_FULL) 2019 val = inb(KB_DATA); 2020 else if (noblock) 2021 return(NOKEY); 2022 else 2023 goto next_code; 2024 2025 if (cur_console->status & KBD_RAW_MODE) 2026 return val; 2027 2028 code = val & 0x7F; 2029 release = val & 0x80; 2030 2031 switch (esc_flag) { 2032 case 0x00: /* normal scancode */ 2033 switch(code) { 2034 case 0x38: /* left alt (compose key) */ 2035 if (release && compose) { 2036 compose = 0; 2037 if (chr > 255) { 2038 sysbeep(BELL_PITCH, BELL_DURATION); 2039 chr = 0; 2040 } 2041 } 2042 else { 2043 if (!compose) { 2044 compose = 1; 2045 chr = 0; 2046 } 2047 } 2048 break; 2049 case 0x60: 2050 case 0x61: 2051 esc_flag = code; 2052 goto next_code; 2053 } 2054 break; 2055 case 0x60: /* 0xE0 prefix */ 2056 esc_flag = 0; 2057 switch (code) { 2058 case 0x1c: /* right enter key */ 2059 code = 0x59; 2060 break; 2061 case 0x1d: /* right ctrl key */ 2062 code = 0x5a; 2063 break; 2064 case 0x35: /* keypad divide key */ 2065 code = 0x5b; 2066 break; 2067 case 0x37: /* print scrn key */ 2068 code = 0x5c; 2069 break; 2070 case 0x38: /* right alt key (alt gr) */ 2071 code = 0x5d; 2072 break; 2073 case 0x47: /* grey home key */ 2074 code = 0x5e; 2075 break; 2076 case 0x48: /* grey up arrow key */ 2077 code = 0x5f; 2078 break; 2079 case 0x49: /* grey page up key */ 2080 code = 0x60; 2081 break; 2082 case 0x4b: /* grey left arrow key */ 2083 code = 0x61; 2084 break; 2085 case 0x4d: /* grey right arrow key */ 2086 code = 0x62; 2087 break; 2088 case 0x4f: /* grey end key */ 2089 code = 0x63; 2090 break; 2091 case 0x50: /* grey down arrow key */ 2092 code = 0x64; 2093 break; 2094 case 0x51: /* grey page down key */ 2095 code = 0x65; 2096 break; 2097 case 0x52: /* grey insert key */ 2098 code = 0x66; 2099 break; 2100 case 0x53: /* grey delete key */ 2101 code = 0x67; 2102 break; 2103 default: /* ignore everything else */ 2104 goto next_code; 2105 } 2106 break; 2107 case 0x61: /* 0xE1 prefix */ 2108 esc_flag = 0; 2109 if (code == 0x1D) 2110 esc_flag = 0x1D; 2111 goto next_code; 2112 /* NOT REACHED */ 2113 case 0x1D: /* pause / break */ 2114 esc_flag = 0; 2115 if (code != 0x45) 2116 goto next_code; 2117 code = 0x68; 2118 break; 2119 } 2120 2121 if (compose) { 2122 switch (code) { 2123 case 0x47: 2124 case 0x48: /* keypad 7,8,9 */ 2125 case 0x49: 2126 if (!release) 2127 chr = (code - 0x40) + chr*10; 2128 goto next_code; 2129 case 0x4b: 2130 case 0x4c: /* keypad 4,5,6 */ 2131 case 0x4d: 2132 if (!release) 2133 chr = (code - 0x47) + chr*10; 2134 goto next_code; 2135 case 0x4f: 2136 case 0x50: /* keypad 1,2,3 */ 2137 case 0x51: 2138 if (!release) 2139 chr = (code - 0x4e) + chr*10; 2140 goto next_code; 2141 case 0x52: /* keypad 0 */ 2142 if (!release) 2143 chr *= 10; 2144 goto next_code; 2145 case 0x38: /* left alt key */ 2146 break; 2147 default: 2148 if (chr) { 2149 compose = chr = 0; 2150 sysbeep(BELL_PITCH, BELL_DURATION); 2151 goto next_code; 2152 } 2153 break; 2154 } 2155 } 2156 2157 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2158 if ((!agrs && (cur_console->status & ALKED)) 2159 || (agrs && !(cur_console->status & ALKED))) 2160 code += ALTGR_OFFSET; 2161 key = &key_map.key[code]; 2162 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2163 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2164 state ^= 1; 2165 2166 /* Check for make/break */ 2167 action = key->map[state]; 2168 if (release) { /* key released */ 2169 if (key->spcl & 0x80) { 2170 switch (action) { 2171 case LSH: 2172 shfts &= ~1; 2173 break; 2174 case RSH: 2175 shfts &= ~2; 2176 break; 2177 case LCTR: 2178 ctls &= ~1; 2179 break; 2180 case RCTR: 2181 ctls &= ~2; 2182 break; 2183 case LALT: 2184 alts &= ~1; 2185 break; 2186 case RALT: 2187 alts &= ~2; 2188 break; 2189 case NLK: 2190 nlkcnt = 0; 2191 break; 2192 case CLK: 2193 clkcnt = 0; 2194 break; 2195 case SLK: 2196 slkcnt = 0; 2197 break; 2198 case ASH: 2199 agrs = 0; 2200 break; 2201 case ALK: 2202 alkcnt = 0; 2203 break; 2204 case META: 2205 metas = 0; 2206 break; 2207 } 2208 } 2209 if (chr && !compose) { 2210 action = chr; 2211 chr = 0; 2212 return (action); 2213 } 2214 } else { 2215 /* key pressed */ 2216 if (key->spcl & (0x80>>state)) { 2217 switch (action) { 2218 /* LOCKING KEYS */ 2219 case NLK: 2220 if (!nlkcnt) { 2221 nlkcnt++; 2222 if (cur_console->status & NLKED) 2223 cur_console->status &= ~NLKED; 2224 else 2225 cur_console->status |= NLKED; 2226 update_leds(cur_console->status & LED_MASK); 2227 } 2228 break; 2229 case CLK: 2230 if (!clkcnt) { 2231 clkcnt++; 2232 if (cur_console->status & CLKED) 2233 cur_console->status &= ~CLKED; 2234 else 2235 cur_console->status |= CLKED; 2236 update_leds(cur_console->status & LED_MASK); 2237 } 2238 break; 2239 case SLK: 2240 if (!slkcnt) { 2241 slkcnt++; 2242 if (cur_console->status & SLKED) { 2243 cur_console->status &= ~SLKED; 2244#if defined(NetBSD) 2245 pcstart(pc_tty[get_scr_num(cur_console)]); 2246#else 2247 pcstart(&pccons[get_scr_num(cur_console)]); 2248#endif 2249 } 2250 else 2251 cur_console->status |= SLKED; 2252 update_leds(cur_console->status & LED_MASK); 2253 } 2254 break; 2255 case ALK: 2256 if (!alkcnt) { 2257 alkcnt++; 2258 if (cur_console->status & ALKED) 2259 cur_console->status &= ~ALKED; 2260 else 2261 cur_console->status |= ALKED; 2262 } 2263 break; 2264 2265 /* NON-LOCKING KEYS */ 2266 case NOP: 2267 break; 2268 case RBT: 2269 cpu_reset(); 2270 break; 2271 case DBG: 2272#if DDB > 0 /* try to switch to console 0 */ 2273 if (cur_console->smode.mode == VT_AUTO && 2274 console[0].smode.mode == VT_AUTO) 2275 switch_scr(0); 2276 Debugger(); 2277 return(NOKEY); 2278#else 2279 printf("No debugger in kernel\n"); 2280#endif 2281 break; 2282 case LSH: 2283 shfts |= 1; 2284 break; 2285 case RSH: 2286 shfts |= 2; 2287 break; 2288 case LCTR: 2289 ctls |= 1; 2290 break; 2291 case RCTR: 2292 ctls |= 2; 2293 break; 2294 case LALT: 2295 alts |= 1; 2296 break; 2297 case RALT: 2298 alts |= 2; 2299 break; 2300 case ASH: 2301 agrs = 1; 2302 break; 2303 case META: 2304 metas = 1; 2305 break; 2306 case NEXT: 2307 switch_scr((get_scr_num(cur_console)+1)%NCONS); 2308 break; 2309 default: 2310 if (action >= F_SCR && action <= L_SCR) { 2311 switch_scr(action - F_SCR); 2312 break; 2313 } 2314 if (action >= F_FN && action <= L_FN) 2315 action |= FKEY; 2316 return(action); 2317 } 2318 } 2319 else { 2320 if (metas) 2321 action |= MKEY; 2322 return(action); 2323 } 2324 } 2325 goto next_code; 2326} 2327 2328 2329int getchar(void) 2330{ 2331 char thechar; 2332 int s; 2333 2334 polling = 1; 2335 s = splhigh(); 2336 sput('>'); 2337 thechar = (char) sgetc(0); 2338 polling = 0; 2339 splx(s); 2340 switch (thechar) { 2341 default: 2342 if (thechar >= scr_map[0x20]) 2343 sput(thechar); 2344 return(thechar); 2345 case cr: 2346 case lf: 2347 sput(cr); sput(lf); 2348 return(lf); 2349 case bs: 2350 case del: 2351 sput(bs); sput(scr_map[0x20]); sput(bs); 2352 return(thechar); 2353 case cntld: 2354 sput('^'); sput('D'); sput('\r'); sput('\n'); 2355 return(0); 2356 } 2357} 2358 2359 2360int pcmmap(dev_t dev, int offset, int nprot) 2361{ 2362 if (offset > 0x20000) 2363 return EINVAL; 2364 return i386_btop((VIDEOMEM + offset)); 2365} 2366 2367 2368static void kbd_wait(void) 2369{ 2370 int i; 2371 for (i=0; i<10000; i++) 2372 if ((inb(KB_STAT) & KB_READY) == 0) 2373 break; 2374} 2375 2376 2377static void kbd_cmd(u_char command) 2378{ 2379 kbd_wait(); 2380 outb(KB_DATA, command); 2381} 2382 2383 2384static void set_mode(scr_stat *scp) 2385{ 2386 u_char byte; 2387 int s; 2388 2389 if (scp != cur_console) 2390 return; 2391 2392 /* (re)activate cursor */ 2393 untimeout((timeout_t)cursor_pos, 0); 2394 cursor_pos(); 2395 2396 /* change cursor type if set */ 2397 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2398 cursor_shape(scp->cursor_start, scp->cursor_end); 2399 2400 /* mode change only on VGA's */ 2401 if (!crtc_vga) 2402 return; 2403 2404 /* setup video hardware for the given mode */ 2405 s = splhigh(); 2406 switch(scp->mode) { 2407 case TEXT80x25: 2408 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2409 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2410 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2411 break; 2412 case TEXT80x50: 2413 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2414 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2415 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2416 break; 2417 default: 2418 break; 2419 } 2420 splx(s); 2421 2422 /* set border color for this (virtual) console */ 2423 set_border(scp->border); 2424 return; 2425} 2426 2427 2428static void set_border(int color) 2429{ 2430 inb(crtc_addr+6); /* reset flip-flop */ 2431 outb(ATC, 0x11); outb(ATC, color); 2432 inb(crtc_addr+6); /* reset flip-flop */ 2433 outb(ATC, 0x20); /* enable Palette */ 2434} 2435 2436static load_font(int segment, int size, char* font) 2437{ 2438 int ch, line, s; 2439 u_char val; 2440 2441 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2442 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2443 2444 /* setup vga for loading fonts (graphics plane mode) */ 2445 s = splhigh(); 2446 inb(crtc_addr+6); /* reset flip/flop */ 2447 outb(ATC, 0x30); outb(ATC, 0x01); 2448 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2449 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2450 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2451 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2452 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2453 splx(s); 2454 for (ch=0; ch < 256; ch++) 2455 for (line=0; line < size; line++) 2456 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2457 font[(ch*size)+line]; 2458 /* setup vga for text mode again */ 2459 s = splhigh(); 2460 inb(crtc_addr+6); /* reset flip/flop */ 2461 outb(ATC, 0x30); outb(ATC, 0x0C); 2462 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2463 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2464 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2465 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2466 if (crtc_addr == MONO_BASE) { 2467 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2468 } 2469 else { 2470 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2471 } 2472 splx(s); 2473 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2474 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2475} 2476 2477 2478static void load_palette(void) 2479{ 2480 int i; 2481 2482 outb(PIXMASK, 0xFF); /* no pixelmask */ 2483 outb(PALWADR, 0x00); 2484 for (i=0x00; i<0x300; i++) 2485 outb(PALDATA, palette[i]); 2486 inb(crtc_addr+6); /* reset flip/flop */ 2487 outb(ATC, 0x20); /* enable palette */ 2488} 2489 2490static void save_palette(void) 2491{ 2492 int i; 2493 2494 outb(PALRADR, 0x00); 2495 for (i=0x00; i<0x300; i++) 2496 palette[i] = inb(PALDATA); 2497 inb(crtc_addr+6); /* reset flip/flop */ 2498} 2499 2500 2501static change_winsize(struct tty *tp, int x, int y) 2502{ 2503 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2504 tp->t_winsize.ws_col = x; 2505 tp->t_winsize.ws_row = y; 2506 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2507 } 2508} 2509 2510#endif /* NSC */ 2511