syscons.c revision 974
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 1.24 1994/01/03 07:55:47 davidg Exp $ 39 * 40 * Heavily modified by Sxren 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 (KERNBASE+0xB0000) 95#define CGA_BUF (KERNBASE+0xB8000) 96#define VGA_BUF (KERNBASE+0xA0000) 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); 224void pcxint(dev_t dev); 225void pcstart(struct tty *tp); 226int pccnprobe(struct consdev *cp); 227int pccninit(struct consdev *cp); 228void pccnputc(dev_t dev, char c); 229int pccngetc(dev_t dev); 230void 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 int 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 void 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 void load_font(int segment, int size, char* font); 259static void save_palette(void); 260static void load_palette(void); 261static void 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], 356 scp->scr, COL*ROW); 357 } 358 } 359 /* get cursor going */ 360#ifdef FAT_CURSOR 361 cursor_shape(console[0].cursor_start, 362 console[0].cursor_end); 363#endif 364 cursor_pos(); 365 return (1); 366} 367 368 369static struct tty *get_tty_ptr(dev_t dev) 370{ 371 int unit = minor(dev); 372 373 if (unit >= NCONS) 374 return(NULL); 375#if defined(NetBSD) 376 if (!pc_tty[unit]) 377 pc_tty[unit] = ttymalloc(); 378 return(pc_tty[unit]); 379#else 380 return(&pccons[unit]); 381#endif 382} 383 384 385static scr_stat *get_scr_stat(dev_t dev) 386{ 387 int unit = minor(dev); 388 389 if (unit >= NCONS) 390 return(NULL); 391 return(&console[unit]); 392} 393 394 395static int get_scr_num(scr_stat *scp) /* allways call with legal scp !! */ 396{ 397 int i = 0; 398 399 while ((i < NCONS) && (cur_console != &console[i])) i++; 400 return i; 401} 402 403int 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, 0)); 429} 430 431 432int 433pcclose(dev_t dev, int flag, int mode, struct proc *p) 434{ 435 struct tty *tp = get_tty_ptr(dev); 436 struct scr_stat *scp; 437 438 if (!tp) 439 return(ENXIO); 440 scp = get_scr_stat(tp->t_dev); 441 scp->pid = 0; 442 scp->proc = NULL; 443 scp->smode.mode = VT_AUTO; 444 (*linesw[tp->t_line].l_close)(tp, flag); 445 ttyclose(tp); 446 return(0); 447} 448 449 450int 451pcread(dev_t dev, struct uio *uio, int flag) 452{ 453 struct tty *tp = get_tty_ptr(dev); 454 455 if (!tp) 456 return(ENXIO); 457 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 458} 459 460 461int 462pcwrite(dev_t dev, struct uio *uio, int flag) 463{ 464 struct tty *tp = get_tty_ptr(dev); 465 466 if (!tp) 467 return(ENXIO); 468 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 469} 470 471 472/* 473 * Got a console interrupt, keyboard action ! 474 * Catch the character, and see who it goes to. 475 */ 476void 477scintr(dev_t dev, int irq, int cpl) 478{ 479 int c, len; 480 u_char *cp; 481 482 /* make screensaver happy */ 483 scrn_time_stamp = time.tv_sec; 484 if (scrn_blanked) 485 scrn_saver(0); 486 487 c = sgetc(1); 488 if (!cur_tty) 489 return; 490 if ((cur_tty->t_state & TS_ISOPEN) == 0 || polling) 491 return; 492 493 switch (c & 0xff00) { 494 case 0x0000: /* normal key */ 495 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 496 break; 497 case NOKEY: /* nothing there */ 498 return; 499 case FKEY: /* function key, return string */ 500 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 501 while (len-- > 0) 502 (*linesw[cur_tty->t_line].l_rint) 503 (*cp++ & 0xFF, cur_tty); 504 } 505 break; 506 case MKEY: /* meta is active, prepend ESC */ 507 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 508 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 509 break; 510 } 511} 512 513 514/* 515 * Set line parameters 516 */ 517int 518pcparam(struct tty *tp, struct termios *t) 519{ 520 int cflag = t->c_cflag; 521 522 /* and copy to tty */ 523 tp->t_ispeed = t->c_ispeed; 524 tp->t_ospeed = t->c_ospeed; 525 tp->t_cflag = cflag; 526 return(0); 527} 528 529#define frametype struct trapframe 530#define eflags tf_eflags 531 532int 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-1].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 959void 960pcxint(dev_t dev) 961{ 962 int unit = minor(dev); 963 964#if defined(NetBSD) 965 if (!pc_tty[unit]) 966 return; 967 pc_tty[unit]->t_state &= ~TS_BUSY; 968 if (pc_tty[unit]->t_line) 969 (*linesw[pc_tty[unit]->t_line].l_start)(pc_tty[unit]); 970 else 971 pcstart(pc_tty[unit]); 972#else 973 pccons[unit].t_state &= ~TS_BUSY; 974 if (pccons[unit].t_line) 975 (*linesw[pccons[unit].t_line].l_start)(&pccons[unit]); 976 else 977 pcstart(&pccons[unit]); 978#endif 979} 980 981 982void 983pcstart(struct tty *tp) 984{ 985#if defined(NetBSD) 986 struct clist *rbp; 987 int i, s, len; 988 u_char buf[PCBURST]; 989 scr_stat *scp = get_scr_stat(tp->t_dev); 990 991 if (scp->status & SLKED) 992 return; 993 s = spltty(); 994 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 995 tp->t_state |= TS_BUSY; 996 splx(s); 997 rbp = &tp->t_outq; 998 len = q_to_b(rbp, buf, PCBURST); 999 for (i=0; i<len; i++) 1000 if (buf[i]) ansi_put(scp, buf[i]); 1001 s = spltty(); 1002 tp->t_state &= ~TS_BUSY; 1003 if (rbp->c_cc) { 1004 tp->t_state |= TS_TIMEOUT; 1005 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1006 } 1007 if (rbp->c_cc <= tp->t_lowat) { 1008 if (tp->t_state & TS_ASLEEP) { 1009 tp->t_state &= ~TS_ASLEEP; 1010 wakeup((caddr_t)rbp); 1011 } 1012 selwakeup(&tp->t_wsel); 1013 } 1014 1015 } 1016 splx(s); 1017#else 1018 int c, s; 1019 scr_stat *scp = get_scr_stat(tp->t_dev); 1020 1021 s = spltty(); 1022 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 1023 for (;;) { 1024 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 1025 if (tp->t_state & TS_ASLEEP) { 1026 tp->t_state &= ~TS_ASLEEP; 1027 wakeup((caddr_t)&tp->t_out); 1028 } 1029 if (tp->t_wsel) { 1030 selwakeup(tp->t_wsel, 1031 tp->t_state & TS_WCOLL); 1032 tp->t_wsel = 0; 1033 tp->t_state &= ~TS_WCOLL; 1034 } 1035 } 1036 if (RB_LEN(&tp->t_out) == 0) 1037 break; 1038 if (scp->status & SLKED) 1039 break; 1040 c = getc(&tp->t_out); 1041 tp->t_state |= TS_BUSY; 1042 splx(s); 1043 ansi_put(scp, c); 1044 s = spltty(); 1045 tp->t_state &= ~TS_BUSY; 1046 } 1047 splx(s); 1048#endif 1049} 1050 1051 1052int 1053pccnprobe(struct consdev *cp) 1054{ 1055 int maj; 1056 1057 /* locate the major number */ 1058 for (maj = 0; maj < nchrdev; maj++) 1059 if ((void*) cdevsw[maj].d_open == (void*) pcopen) 1060 break; 1061 1062 /* initialize required fields */ 1063 cp->cn_dev = makedev(maj, 0); 1064#if !defined(NetBSD) 1065 cp->cn_tp = &pccons[0]; 1066#endif 1067 cp->cn_pri = CN_INTERNAL; 1068 return (1); 1069} 1070 1071 1072int 1073pccninit(struct consdev *cp) 1074{ 1075 scinit(); 1076 return (1); 1077} 1078 1079 1080void 1081pccnputc(dev_t dev, char c) 1082{ 1083 int pos; 1084 1085 if (cur_console->status & UNKNOWN_MODE) 1086 return; 1087 if (c == '\n') 1088 sput('\r'); 1089 sput(c); 1090 pos = cur_console->crtat - cur_console->crt_base; 1091 if (pos != cur_cursor_pos) { 1092 cur_cursor_pos = pos; 1093 outb(crtc_addr,14); 1094 outb(crtc_addr+1,pos >> 8); 1095 outb(crtc_addr,15); 1096 outb(crtc_addr+1,pos&0xff); 1097 } 1098} 1099 1100 1101int 1102pccngetc(dev_t dev) 1103{ 1104 int c, s; 1105 1106 s = spltty(); /* block scintr while we poll */ 1107 c = sgetc(0); 1108 splx(s); 1109 if (c == '\r') c = '\n'; 1110 return(c); 1111} 1112 1113#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1114 1115static void scrn_saver(int test) 1116{ 1117 u_char val; 1118 1119 if (test) { 1120 scrn_blanked = 1; 1121 outb(TSIDX, 0x01); val = inb(TSREG); 1122 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1123 } 1124 else { 1125 scrn_blanked = 0; 1126 outb(TSIDX, 0x01); val = inb(TSREG); 1127 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1128 } 1129} 1130#endif 1131#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1132 1133static u_long rand_next = 1; 1134 1135static int rand() 1136{ 1137 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1138} 1139#endif 1140#if defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1141/* 1142 * Alternate saver that got its inspiration from a well known utility 1143 * package for an unfamous OS. 1144 */ 1145 1146#define NUM_STARS 50 1147 1148static void scrn_saver(int test) 1149{ 1150 scr_stat *scp = cur_console; 1151 int cell, i; 1152 char pattern[] = {"...........++++*** "}; 1153 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1154 FG_WHITE, FG_LIGHTCYAN}; 1155 static u_short stars[NUM_STARS][2]; 1156 1157 if (test) { 1158 if (!scrn_blanked) { 1159 bcopy(Crtat, scp->scr, 1160 scp->max_posx * scp->max_posy * 2); 1161 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1162 Crtat, scp->max_posx * scp->max_posy); 1163 set_border(0); 1164 i = scp->max_posy * scp->max_posx + 5; 1165 outb(crtc_addr, 14); 1166 outb(crtc_addr+1, i >> 8); 1167 outb(crtc_addr, 15); 1168 outb(crtc_addr+1, i & 0xff); 1169 scrn_blanked = 1; 1170 for(i=0; i<NUM_STARS; i++) { 1171 stars[i][0] = 1172 rand() % (scp->max_posx*scp->max_posy); 1173 stars[i][1] = 0; 1174 } 1175 } 1176 cell = rand() % NUM_STARS; 1177 *((u_short*)(Crtat + stars[cell][0])) = 1178 scr_map[pattern[stars[cell][1]]] | 1179 colors[rand()%sizeof(colors)] << 8; 1180 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1181 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1182 stars[cell][1] = 0; 1183 } 1184 } 1185 else { 1186 if (scrn_blanked) { 1187 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1188 cur_cursor_pos = -1; 1189 set_border(scp->border); 1190 scrn_blanked = 0; 1191 } 1192 } 1193} 1194#endif 1195#if defined(SNAKE_SAVER) && !defined(STAR_SAVER) 1196/* 1197 * alternative screen saver for cards that do not like blanking 1198 */ 1199 1200static void scrn_saver(int test) 1201{ 1202 const char saves[] = {"FreeBSD"}; 1203 static u_char *savs[sizeof(saves)-1]; 1204 static int dirx, diry; 1205 int f; 1206 scr_stat *scp = cur_console; 1207 1208 if (test) { 1209 if (!scrn_blanked) { 1210 bcopy(Crtat, scp->scr, 1211 scp->max_posx * scp->max_posy * 2); 1212 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1213 Crtat, scp->max_posx * scp->max_posy); 1214 set_border(0); 1215 dirx = (scp->posx ? 1 : -1); 1216 diry = (scp->posy ? 1217 scp->max_posx : -scp->max_posx); 1218 for (f=0; f< sizeof(saves)-1; f++) 1219 savs[f] = (u_char *)Crtat + 2 * 1220 (scp->posx+scp->posy*scp->max_posx); 1221 *(savs[0]) = scr_map[*saves]; 1222 f = scp->max_posy * scp->max_posx + 5; 1223 outb(crtc_addr, 14); 1224 outb(crtc_addr+1, f >> 8); 1225 outb(crtc_addr, 15); 1226 outb(crtc_addr+1, f & 0xff); 1227 scrn_blanked = 1; 1228 } 1229 if (scrn_blanked++ < 4) 1230 return; 1231 scrn_blanked = 1; 1232 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1233 for (f=sizeof(saves)-2; f > 0; f--) 1234 savs[f] = savs[f-1]; 1235 f = (savs[0] - (u_char *)Crtat) / 2; 1236 if ((f % scp->max_posx) == 0 || 1237 (f % scp->max_posx) == scp->max_posx - 1 || 1238 (rand() % 50) == 0) 1239 dirx = -dirx; 1240 if ((f / scp->max_posx) == 0 || 1241 (f / scp->max_posx) == scp->max_posy - 1 || 1242 (rand() % 20) == 0) 1243 diry = -diry; 1244 savs[0] += 2*dirx + 2*diry; 1245 for (f=sizeof(saves)-2; f>=0; f--) 1246 *(savs[f]) = scr_map[saves[f]]; 1247 } 1248 else { 1249 if (scrn_blanked) { 1250 bcopy(scp->scr, Crtat, 1251 scp->max_posx * scp->max_posy * 2); 1252 cur_cursor_pos = -1; 1253 set_border(scp->border); 1254 scrn_blanked = 0; 1255 } 1256 } 1257} 1258#endif 1259 1260static void cursor_shape(int start, int end) 1261{ 1262 outb(crtc_addr, 10); 1263 outb(crtc_addr+1, start & 0xFF); 1264 outb(crtc_addr, 11); 1265 outb(crtc_addr+1, end & 0xFF); 1266} 1267 1268 1269static void get_cursor_shape(int *start, int *end) 1270{ 1271 outb(crtc_addr, 10); 1272 *start = inb(crtc_addr+1) & 0x1F; 1273 outb(crtc_addr, 11); 1274 *end = inb(crtc_addr+1) & 0x1F; 1275} 1276 1277 1278int cursor_pos(void) 1279{ 1280 int pos; 1281 1282 if (cur_console->status & UNKNOWN_MODE) 1283 return (0); 1284 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1285 scrn_saver(1); 1286 pos = cur_console->crtat - cur_console->crt_base; 1287 if (!scrn_blanked && pos != cur_cursor_pos) { 1288 cur_cursor_pos = pos; 1289 outb(crtc_addr, 14); 1290 outb(crtc_addr+1, pos>>8); 1291 outb(crtc_addr, 15); 1292 outb(crtc_addr+1, pos&0xff); 1293 } 1294 timeout((timeout_func_t)cursor_pos, 0, hz/20); 1295 return (0); 1296} 1297 1298 1299static void clear_screen(scr_stat *scp) 1300{ 1301 move_crsr(scp, 0, 0); 1302 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1303 scp->max_posx * scp->max_posy); 1304} 1305 1306 1307static int switch_scr(u_int next_scr) 1308{ 1309 if (in_putc) { /* don't switch if in putc */ 1310 nx_scr = next_scr+1; 1311 return 0; 1312 } 1313 if (switch_in_progress && 1314 (cur_console->proc != pfind(cur_console->pid))) 1315 switch_in_progress = 0; 1316 if (next_scr >= NCONS || switch_in_progress) { 1317 sysbeep(BELL_PITCH, BELL_DURATION); 1318 return EINVAL; 1319 } 1320 switch_in_progress = 1; 1321 old_scp = cur_console; 1322 new_scp = &console[next_scr]; 1323 wakeup((caddr_t)&new_scp->smode); 1324 if (new_scp == old_scp) { 1325 switch_in_progress = 0; 1326 return 0; 1327 } 1328 1329 /* has controlling process died? */ 1330 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1331 old_scp->smode.mode = VT_AUTO; 1332 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1333 new_scp->smode.mode = VT_AUTO; 1334 1335 /* check the modes and switch approbiatly */ 1336 if (old_scp->smode.mode == VT_PROCESS) { 1337 old_scp->status |= SWITCH_WAIT_REL; 1338 psignal(old_scp->proc, old_scp->smode.relsig); 1339 } 1340 else { 1341 exchange_scr(); 1342 if (new_scp->smode.mode == VT_PROCESS) { 1343 new_scp->status |= SWITCH_WAIT_ACQ; 1344 psignal(new_scp->proc, new_scp->smode.acqsig); 1345 } 1346 else 1347 switch_in_progress = 0; 1348 } 1349 return 0; 1350} 1351 1352 1353static void exchange_scr(void) 1354{ 1355 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1356 old_scp->crt_base = old_scp->scr; 1357 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1358 cur_console = new_scp; 1359#if defined(NetBSD) 1360 cur_tty = pc_tty[get_scr_num(new_scp)]; 1361#else 1362 cur_tty = &pccons[get_scr_num(new_scp)]; 1363#endif 1364 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1365 shfts = ctls = alts = agrs = metas = 0; 1366 update_leds(new_scp->status & LED_MASK); 1367 set_mode(new_scp); 1368 new_scp->crt_base = Crtat; 1369 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1370 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1371 nx_scr = 0; 1372} 1373 1374 1375static void move_crsr(scr_stat *scp, int x, int y) 1376{ 1377 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1378 return; 1379 scp->posx = x; 1380 scp->posy = y; 1381 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1382} 1383 1384 1385static void move_up(u_short *s, u_short *d, u_int len) 1386{ 1387 s += len; 1388 d += len; 1389 while (len-- > 0) 1390 *--d = *--s; 1391} 1392 1393 1394static void move_down(u_short *s, u_short *d, u_int len) 1395{ 1396 while (len-- > 0) 1397 *d++ = *s++; 1398} 1399 1400 1401static void scan_esc(scr_stat *scp, u_char c) 1402{ 1403 static u_char ansi_col[16] = 1404 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1405 int i, n; 1406 u_short *src, *dst, count; 1407 1408 if (scp->term.esc == 1) { 1409 switch (c) { 1410 1411 case '[': /* Start ESC [ sequence */ 1412 scp->term.esc = 2; 1413 scp->term.last_par = -1; 1414 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1415 scp->term.par[i] = 1; 1416 scp->term.n_par = 0; 1417 return; 1418 1419 case 'M': /* Move cursor up 1 line, scroll if at top */ 1420 if (scp->posy > 0) 1421 move_crsr(scp, scp->posx, scp->posy - 1); 1422 else { 1423 move_up(scp->crt_base, 1424 scp->crt_base + scp->max_posx, 1425 (scp->max_posy - 1) * scp->max_posx); 1426 fillw(scp->term.attr | scr_map[0x20], 1427 scp->crt_base, scp->max_posx); 1428 } 1429 break; 1430#if notyet 1431 case 'Q': 1432 scp->term.esc = 4; 1433 break; 1434#endif 1435 case 'c': /* Clear screen & home */ 1436 clear_screen(scp); 1437 break; 1438 } 1439 } 1440 else if (scp->term.esc == 2) { 1441 if (c >= '0' && c <= '9') { 1442 if (scp->term.n_par < MAX_ESC_PAR) { 1443 if (scp->term.last_par != scp->term.n_par) { 1444 scp->term.last_par = scp->term.n_par; 1445 scp->term.par[scp->term.n_par] = 0; 1446 } 1447 else 1448 scp->term.par[scp->term.n_par] *= 10; 1449 scp->term.par[scp->term.n_par] += c - '0'; 1450 return; 1451 } 1452 } 1453 scp->term.n_par = scp->term.last_par + 1; 1454 switch (c) { 1455 1456 case ';': 1457 if (scp->term.n_par < MAX_ESC_PAR) 1458 return; 1459 break; 1460 1461 case '=': 1462 scp->term.esc = 3; 1463 scp->term.last_par = -1; 1464 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1465 scp->term.par[i] = 1; 1466 scp->term.n_par = 0; 1467 return; 1468 1469 case 'A': /* up n rows */ 1470 n = scp->term.par[0]; if (n < 1) n = 1; 1471 move_crsr(scp, scp->posx, scp->posy - n); 1472 break; 1473 1474 case 'B': /* down n rows */ 1475 n = scp->term.par[0]; if (n < 1) n = 1; 1476 move_crsr(scp, scp->posx, scp->posy + n); 1477 break; 1478 1479 case 'C': /* right n columns */ 1480 n = scp->term.par[0]; if (n < 1) n = 1; 1481 move_crsr(scp, scp->posx + n, scp->posy); 1482 break; 1483 1484 case 'D': /* left n columns */ 1485 n = scp->term.par[0]; if (n < 1) n = 1; 1486 move_crsr(scp, scp->posx - n, scp->posy); 1487 break; 1488 1489 case 'E': /* cursor to start of line n lines down */ 1490 n = scp->term.par[0]; if (n < 1) n = 1; 1491 move_crsr(scp, 0, scp->posy + n); 1492 break; 1493 1494 case 'F': /* cursor to start of line n lines up */ 1495 n = scp->term.par[0]; if (n < 1) n = 1; 1496 move_crsr(scp, 0, scp->posy - n); 1497 break; 1498 1499 case 'f': /* System V consoles .. */ 1500 case 'H': /* Cursor move */ 1501 if (scp->term.n_par == 0) 1502 move_crsr(scp, 0, 0); 1503 else if (scp->term.n_par == 2) 1504 move_crsr(scp, scp->term.par[1] - 1, 1505 scp->term.par[0] - 1); 1506 break; 1507 1508 case 'J': /* Clear all or part of display */ 1509 if (scp->term.n_par == 0) 1510 n = 0; 1511 else 1512 n = scp->term.par[0]; 1513 switch (n) { 1514 case 0: /* clear form cursor to end of display */ 1515 fillw(scp->term.attr | scr_map[0x20], 1516 scp->crtat, scp->crt_base + 1517 scp->max_posx * scp->max_posy - 1518 scp->crtat); 1519 break; 1520 case 1: /* clear from beginning of display to cursor */ 1521 fillw(scp->term.attr | scr_map[0x20], 1522 scp->crt_base, 1523 scp->crtat - scp->crt_base); 1524 break; 1525 case 2: /* clear entire display */ 1526 clear_screen(scp); 1527 break; 1528 } 1529 break; 1530 1531 case 'K': /* Clear all or part of line */ 1532 if (scp->term.n_par == 0) 1533 n = 0; 1534 else 1535 n = scp->term.par[0]; 1536 switch (n) { 1537 case 0: /* clear form cursor to end of line */ 1538 fillw(scp->term.attr | scr_map[0x20], 1539 scp->crtat, scp->max_posx - scp->posx); 1540 break; 1541 case 1: /* clear from beginning of line to cursor */ 1542 fillw(scp->term.attr|scr_map[0x20], 1543 scp->crtat - (scp->max_posx - scp->posx), 1544 (scp->max_posx - scp->posx) + 1); 1545 break; 1546 case 2: /* clear entire line */ 1547 fillw(scp->term.attr|scr_map[0x20], 1548 scp->crtat - (scp->max_posx - scp->posx), 1549 scp->max_posx); 1550 break; 1551 } 1552 break; 1553 1554 case 'L': /* Insert 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 src = scp->crt_base + scp->posy * scp->max_posx; 1559 dst = src + n * scp->max_posx; 1560 count = scp->max_posy - (scp->posy + n); 1561 move_up(src, dst, count * scp->max_posx); 1562 fillw(scp->term.attr | scr_map[0x20], src, 1563 n * scp->max_posx); 1564 break; 1565 1566 case 'M': /* Delete n lines */ 1567 n = scp->term.par[0]; if (n < 1) n = 1; 1568 if (n > scp->max_posy - scp->posy) 1569 n = scp->max_posy - scp->posy; 1570 dst = scp->crt_base + scp->posy * scp->max_posx; 1571 src = dst + n * scp->max_posx; 1572 count = scp->max_posy - (scp->posy + n); 1573 move_down(src, dst, count * scp->max_posx); 1574 src = dst + count * scp->max_posx; 1575 fillw(scp->term.attr | scr_map[0x20], src, 1576 n * scp->max_posx); 1577 break; 1578 1579 case 'P': /* Delete 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 dst = scp->crtat; 1584 src = dst + n; 1585 count = scp->max_posx - (scp->posx + n); 1586 move_down(src, dst, count); 1587 src = dst + count; 1588 fillw(scp->term.attr | scr_map[0x20], src, n); 1589 break; 1590 1591 case '@': /* Insert n chars */ 1592 n = scp->term.par[0]; if (n < 1) n = 1; 1593 if (n > scp->max_posx - scp->posx) 1594 n = scp->max_posx - scp->posx; 1595 src = scp->crtat; 1596 dst = src + n; 1597 count = scp->max_posx - (scp->posx + n); 1598 move_up(src, dst, count); 1599 fillw(scp->term.attr | scr_map[0x20], src, n); 1600 break; 1601 1602 case 'S': /* scroll up n lines */ 1603 n = scp->term.par[0]; if (n < 1) n = 1; 1604 bcopy(scp->crt_base + (scp->max_posx * n), 1605 scp->crt_base, 1606 scp->max_posx * (scp->max_posy - n) * 1607 sizeof(u_short)); 1608 fillw(scp->term.attr | scr_map[0x20], 1609 scp->crt_base + scp->max_posx * 1610 (scp->max_posy - 1), 1611 scp->max_posx); 1612 break; 1613 1614 case 'T': /* scroll down n lines */ 1615 n = scp->term.par[0]; if (n < 1) n = 1; 1616 bcopy(scp->crt_base, 1617 scp->crt_base + (scp->max_posx * n), 1618 scp->max_posx * (scp->max_posy - n) * 1619 sizeof(u_short)); 1620 fillw(scp->term.attr | scr_map[0x20], 1621 scp->crt_base, scp->max_posx); 1622 break; 1623 1624 case 'X': /* delete n characters in line */ 1625 n = scp->term.par[0]; if (n < 1) n = 1; 1626 fillw(scp->term.attr | scr_map[0x20], 1627 scp->crt_base + scp->posx + 1628 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1629 break; 1630 1631 case 'Z': /* move n tabs backwards */ 1632 n = scp->term.par[0]; if (n < 1) n = 1; 1633 if ((i = scp->posx & 0xf8) == scp->posx) 1634 i -= 8*n; 1635 else 1636 i -= 8*(n-1); 1637 if (i < 0) 1638 i = 0; 1639 move_crsr(scp, i, scp->posy); 1640 break; 1641 1642 case '`': /* move cursor to column n */ 1643 n = scp->term.par[0]; if (n < 1) n = 1; 1644 move_crsr(scp, n, scp->posy); 1645 break; 1646 1647 case 'a': /* move cursor n columns to the right */ 1648 n = scp->term.par[0]; if (n < 1) n = 1; 1649 move_crsr(scp, scp->posx + n, scp->posy); 1650 break; 1651 1652 case 'd': /* move cursor to row n */ 1653 n = scp->term.par[0]; if (n < 1) n = 1; 1654 move_crsr(scp, scp->posx, n); 1655 break; 1656 1657 case 'e': /* move cursor n rows down */ 1658 n = scp->term.par[0]; if (n < 1) n = 1; 1659 move_crsr(scp, scp->posx, scp->posy + n); 1660 break; 1661 1662 case 'm': /* change attribute */ 1663 if (scp->term.n_par == 0) 1664 n = 0; 1665 else 1666 n = scp->term.par[0]; 1667 switch (n) { 1668 case 0: /* back to normal */ 1669 scp->term.attr = scp->term.std_attr; 1670 break; 1671 case 1: /* highlight (bold) */ 1672 scp->term.attr &= 0xFF00; 1673 scp->term.attr |= 0x0800; 1674 break; 1675 case 4: /* highlight (underline) */ 1676 scp->term.attr &= 0x0F00; 1677 scp->term.attr |= 0x0800; 1678 break; 1679 case 5: /* blink */ 1680 scp->term.attr &= 0xFF00; 1681 scp->term.attr |= 0x8000; 1682 break; 1683 case 7: /* reverse video */ 1684 scp->term.attr = scp->term.rev_attr; 1685 break; 1686 case 30: case 31: case 32: case 33: /* set fg color */ 1687 case 34: case 35: case 36: case 37: 1688 scp->term.attr = (scp->term.attr & 0xF0FF) 1689 | (ansi_col[(n - 30) & 7] << 8); 1690 break; 1691 case 40: case 41: case 42: case 43: /* set bg color */ 1692 case 44: case 45: case 46: case 47: 1693 scp->term.attr = (scp->term.attr & 0x0FFF) 1694 | (ansi_col[(n - 40) & 7] << 12); 1695 break; 1696 } 1697 break; 1698 1699 case 'x': 1700 if (scp->term.n_par == 0) 1701 n = 0; 1702 else 1703 n = scp->term.par[0]; 1704 switch (n) { 1705 case 0: /* reset attributes */ 1706 scp->term.attr = scp->term.std_attr = 1707 current_default->std_attr; 1708 scp->term.rev_attr = current_default->rev_attr; 1709 break; 1710 case 1: /* set ansi background */ 1711 scp->term.attr = scp->term.std_attr = 1712 (scp->term.std_attr & 0x0F00) | 1713 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1714 break; 1715 case 2: /* set ansi foreground */ 1716 scp->term.attr = scp->term.std_attr = 1717 (scp->term.std_attr & 0xF000) | 1718 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1719 break; 1720 case 3: /* set ansi attribute directly */ 1721 scp->term.attr = scp->term.std_attr = 1722 (scp->term.par[1]&0xFF)<<8; 1723 break; 1724 case 5: /* set ansi reverse video background */ 1725 scp->term.rev_attr = 1726 (scp->term.rev_attr & 0x0F00) | 1727 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1728 break; 1729 case 6: /* set ansi reverse video foreground */ 1730 scp->term.rev_attr = 1731 (scp->term.rev_attr & 0xF000) | 1732 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1733 break; 1734 case 7: /* set ansi reverse video directly */ 1735 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1736 break; 1737 } 1738 break; 1739 1740 case 'z': /* switch to (virtual) console n */ 1741 if (scp->term.n_par == 1) 1742 switch_scr(scp->term.par[0]); 1743 break; 1744 } 1745 } 1746 else if (scp->term.esc == 3) { 1747 if (c >= '0' && c <= '9') { 1748 if (scp->term.n_par < MAX_ESC_PAR) { 1749 if (scp->term.last_par != scp->term.n_par) { 1750 scp->term.last_par = scp->term.n_par; 1751 scp->term.par[scp->term.n_par] = 0; 1752 } 1753 else 1754 scp->term.par[scp->term.n_par] *= 10; 1755 scp->term.par[scp->term.n_par] += c - '0'; 1756 return; 1757 } 1758 } 1759 scp->term.n_par = scp->term.last_par + 1; 1760 switch (c) { 1761 1762 case ';': 1763 if (scp->term.n_par < MAX_ESC_PAR) 1764 return; 1765 break; 1766 1767 case 'A': /* set display border color */ 1768 if (scp->term.n_par == 1) 1769 scp->border=scp->term.par[0] & 0xff; 1770 if (scp == cur_console) 1771 set_border(scp->border); 1772 break; 1773 1774 case 'B': /* set bell pitch and duration */ 1775 if (scp->term.n_par == 2) { 1776 scp->bell_pitch = scp->term.par[0]; 1777 scp->bell_duration = scp->term.par[1]*10; 1778 } 1779 break; 1780 1781 case 'C': /* set cursor shape (start & end line) */ 1782 if (scp->term.n_par == 2) { 1783 scp->cursor_start = scp->term.par[0] & 0x1F; 1784 scp->cursor_end = scp->term.par[1] & 0x1F; 1785 if (scp == cur_console) 1786 cursor_shape(scp->cursor_start, 1787 scp->cursor_end); 1788 } 1789 break; 1790 1791 case 'F': /* set ansi foreground */ 1792 if (scp->term.n_par == 1) 1793 scp->term.attr = scp->term.std_attr = 1794 (scp->term.std_attr & 0xF000) 1795 | ((scp->term.par[0] & 0x0F) << 8); 1796 break; 1797 1798 case 'G': /* set ansi background */ 1799 if (scp->term.n_par == 1) 1800 scp->term.attr = scp->term.std_attr = 1801 (scp->term.std_attr & 0x0F00) 1802 | ((scp->term.par[0] & 0x0F) << 12); 1803 break; 1804 1805 case 'H': /* set ansi reverse video foreground */ 1806 if (scp->term.n_par == 1) 1807 scp->term.rev_attr = 1808 (scp->term.rev_attr & 0xF000) 1809 | ((scp->term.par[0] & 0x0F) << 8); 1810 break; 1811 1812 case 'I': /* set ansi reverse video background */ 1813 if (scp->term.n_par == 1) 1814 scp->term.rev_attr = 1815 (scp->term.rev_attr & 0x0F00) 1816 | ((scp->term.par[0] & 0x0F) << 12); 1817 break; 1818 } 1819 } 1820 scp->term.esc = 0; 1821} 1822 1823 1824static void ansi_put(scr_stat *scp, u_char c) 1825{ 1826 if (scp->status & UNKNOWN_MODE) 1827 return; 1828 1829 /* make screensaver happy */ 1830 if (scp == cur_console) { 1831 scrn_time_stamp = time.tv_sec; 1832 if (scrn_blanked) 1833 scrn_saver(0); 1834 } 1835 in_putc++; 1836 if (scp->term.esc) 1837 scan_esc(scp, c); 1838 else switch(c) { 1839 case 0x1B: /* start escape sequence */ 1840 scp->term.esc = 1; 1841 scp->term.n_par = 0; 1842 break; 1843 case 0x07: 1844 if (scp == cur_console) 1845 sysbeep(scp->bell_pitch, scp->bell_duration); 1846 break; 1847 case '\t': /* non-destructive tab */ 1848 scp->crtat += (8 - scp->posx % 8); 1849 scp->posx += (8 - scp->posx % 8); 1850 break; 1851 case '\b': /* non-destructive backspace */ 1852 if (scp->crtat > scp->crt_base) { 1853 scp->crtat--; 1854 if (scp->posx > 0) 1855 scp->posx--; 1856 else { 1857 scp->posx += scp->max_posx - 1; 1858 scp->posy--; 1859 } 1860 } 1861 break; 1862 case '\r': /* return to pos 0 */ 1863 move_crsr(scp, 0, scp->posy); 1864 break; 1865 case '\n': /* newline, same pos */ 1866 scp->crtat += scp->max_posx; 1867 scp->posy++; 1868 break; 1869 case '\f': /* form feed, clears screen */ 1870 clear_screen(scp); 1871 break; 1872 default: 1873 /* Print only printables */ 1874 *scp->crtat = (scp->term.attr | scr_map[c]); 1875 scp->crtat++; 1876 if (++scp->posx >= scp->max_posx) { 1877 scp->posx = 0; 1878 scp->posy++; 1879 } 1880 break; 1881 } 1882 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1883 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1884 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1885 fillw(scp->term.attr | scr_map[0x20], 1886 scp->crt_base + scp->max_posx 1887 * (scp->max_posy - 1), scp->max_posx); 1888 scp->crtat -= scp->max_posx; 1889 scp->posy--; 1890 } 1891 in_putc--; 1892 if (nx_scr) 1893 switch_scr(nx_scr - 1); 1894} 1895 1896static void scinit(void) 1897{ 1898 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1899 unsigned cursorat; 1900 int i; 1901 1902 /* 1903 * catch that once in a blue moon occurence when scinit is called 1904 * TWICE, adding the CGA_BUF offset again -> poooff 1905 */ 1906 if (crtat != 0) 1907 return; 1908 /* 1909 * Crtat initialized to point to MONO buffer, if not present change 1910 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1911 * in the remapped offset at the right time 1912 */ 1913 was = *cp; 1914 *cp = (u_short) 0xA55A; 1915 if (*cp != 0xA55A) { 1916 crtc_addr = MONO_BASE; 1917 } else { 1918 *cp = was; 1919 crtc_addr = COLOR_BASE; 1920 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1921 } 1922 1923 /* Extract cursor location */ 1924 outb(crtc_addr,14); 1925 cursorat = inb(crtc_addr+1)<<8 ; 1926 outb(crtc_addr,15); 1927 cursorat |= inb(crtc_addr+1); 1928 crtat = Crtat + cursorat; 1929 1930 /* is this a VGA or higher ? */ 1931 outb(crtc_addr, 7); 1932 if (inb(crtc_addr) == 7) 1933 crtc_vga = 1; 1934 1935 current_default = &user_default; 1936 console[0].crtat = crtat; 1937 console[0].crt_base = Crtat; 1938 console[0].term.esc = 0; 1939 console[0].term.std_attr = current_default->std_attr; 1940 console[0].term.rev_attr = current_default->rev_attr; 1941 console[0].term.attr = current_default->std_attr; 1942 console[0].posx = cursorat % COL; 1943 console[0].posy = cursorat / COL; 1944 console[0].border = BG_BLACK;; 1945 console[0].max_posx = COL; 1946 console[0].max_posy = ROW; 1947 console[0].status = 0; 1948 console[0].pid = 0; 1949 console[0].proc = NULL; 1950 console[0].smode.mode = VT_AUTO; 1951 console[0].bell_pitch = BELL_PITCH; 1952 console[0].bell_duration = BELL_DURATION; 1953 kernel_console.esc = 0; 1954 kernel_console.std_attr = kernel_default.std_attr; 1955 kernel_console.rev_attr = kernel_default.rev_attr; 1956 kernel_console.attr = kernel_default.std_attr; 1957 /* initialize mapscrn array to */ 1958 for (i=0; i<sizeof(scr_map); i++) 1959 scr_map[i] = i; 1960 clear_screen(&console[0]); 1961} 1962 1963 1964static void sput(u_char c) 1965{ 1966 scr_stat *scp = &console[0]; 1967 term_stat save; 1968 1969 if (crtat == 0) 1970 scinit(); 1971 save = scp->term; 1972 scp->term = kernel_console; 1973 current_default = &kernel_default; 1974 ansi_put(scp, c); 1975 kernel_console = scp->term; 1976 current_default = &user_default; 1977 scp->term = save; 1978} 1979 1980 1981static u_char *get_fstr(u_int c, u_int *len) 1982{ 1983 u_int i; 1984 1985 if (!(c & FKEY)) 1986 return(NULL); 1987 i = (c & 0xFF) - F_FN; 1988 if (i > n_fkey_tab) 1989 return(NULL); 1990 *len = fkey_tab[i].len; 1991 return(fkey_tab[i].str); 1992} 1993 1994 1995static void update_leds(int which) 1996{ 1997 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 1998 1999 kbd_cmd(KB_SETLEDS); /* LED Command */ 2000 kbd_cmd(xlate_leds[which & LED_MASK]); 2001 kbd_wait(); 2002} 2003 2004 2005static volatile void reset_cpu(void) 2006{ 2007 while (1) { 2008 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 2009 DELAY(4000000); 2010 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 2011 } 2012} 2013 2014 2015/* 2016 * sgetc(noblock) : get a character from the keyboard. 2017 * If noblock = 0 wait until a key is gotten. Otherwise return NOKEY. 2018 */ 2019u_int sgetc(int noblock) 2020{ 2021 u_char val, code, release; 2022 u_int state, action; 2023 struct key_t *key; 2024 static u_char esc_flag = 0, compose = 0; 2025 static u_int chr = 0; 2026 2027next_code: 2028 kbd_wait(); 2029 /* First see if there is something in the keyboard port */ 2030 if (inb(KB_STAT) & KB_BUF_FULL) 2031 val = inb(KB_DATA); 2032 else if (noblock) 2033 return(NOKEY); 2034 else 2035 goto next_code; 2036 2037 if (cur_console->status & KBD_RAW_MODE) 2038 return val; 2039 2040 code = val & 0x7F; 2041 release = val & 0x80; 2042 2043 switch (esc_flag) { 2044 case 0x00: /* normal scancode */ 2045 switch(code) { 2046 case 0x38: /* left alt (compose key) */ 2047 if (release && compose) { 2048 compose = 0; 2049 if (chr > 255) { 2050 sysbeep(BELL_PITCH, BELL_DURATION); 2051 chr = 0; 2052 } 2053 } 2054 else { 2055 if (!compose) { 2056 compose = 1; 2057 chr = 0; 2058 } 2059 } 2060 break; 2061 case 0x60: 2062 case 0x61: 2063 esc_flag = code; 2064 goto next_code; 2065 } 2066 break; 2067 case 0x60: /* 0xE0 prefix */ 2068 esc_flag = 0; 2069 switch (code) { 2070 case 0x1c: /* right enter key */ 2071 code = 0x59; 2072 break; 2073 case 0x1d: /* right ctrl key */ 2074 code = 0x5a; 2075 break; 2076 case 0x35: /* keypad divide key */ 2077 code = 0x5b; 2078 break; 2079 case 0x37: /* print scrn key */ 2080 code = 0x5c; 2081 break; 2082 case 0x38: /* right alt key (alt gr) */ 2083 code = 0x5d; 2084 break; 2085 case 0x47: /* grey home key */ 2086 code = 0x5e; 2087 break; 2088 case 0x48: /* grey up arrow key */ 2089 code = 0x5f; 2090 break; 2091 case 0x49: /* grey page up key */ 2092 code = 0x60; 2093 break; 2094 case 0x4b: /* grey left arrow key */ 2095 code = 0x61; 2096 break; 2097 case 0x4d: /* grey right arrow key */ 2098 code = 0x62; 2099 break; 2100 case 0x4f: /* grey end key */ 2101 code = 0x63; 2102 break; 2103 case 0x50: /* grey down arrow key */ 2104 code = 0x64; 2105 break; 2106 case 0x51: /* grey page down key */ 2107 code = 0x65; 2108 break; 2109 case 0x52: /* grey insert key */ 2110 code = 0x66; 2111 break; 2112 case 0x53: /* grey delete key */ 2113 code = 0x67; 2114 break; 2115 default: /* ignore everything else */ 2116 goto next_code; 2117 } 2118 break; 2119 case 0x61: /* 0xE1 prefix */ 2120 esc_flag = 0; 2121 if (code == 0x1D) 2122 esc_flag = 0x1D; 2123 goto next_code; 2124 /* NOT REACHED */ 2125 case 0x1D: /* pause / break */ 2126 esc_flag = 0; 2127 if (code != 0x45) 2128 goto next_code; 2129 code = 0x68; 2130 break; 2131 } 2132 2133 if (compose) { 2134 switch (code) { 2135 case 0x47: 2136 case 0x48: /* keypad 7,8,9 */ 2137 case 0x49: 2138 if (!release) 2139 chr = (code - 0x40) + chr*10; 2140 goto next_code; 2141 case 0x4b: 2142 case 0x4c: /* keypad 4,5,6 */ 2143 case 0x4d: 2144 if (!release) 2145 chr = (code - 0x47) + chr*10; 2146 goto next_code; 2147 case 0x4f: 2148 case 0x50: /* keypad 1,2,3 */ 2149 case 0x51: 2150 if (!release) 2151 chr = (code - 0x4e) + chr*10; 2152 goto next_code; 2153 case 0x52: /* keypad 0 */ 2154 if (!release) 2155 chr *= 10; 2156 goto next_code; 2157 case 0x38: /* left alt key */ 2158 break; 2159 default: 2160 if (chr) { 2161 compose = chr = 0; 2162 sysbeep(BELL_PITCH, BELL_DURATION); 2163 goto next_code; 2164 } 2165 break; 2166 } 2167 } 2168 2169 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2170 if ((!agrs && (cur_console->status & ALKED)) 2171 || (agrs && !(cur_console->status & ALKED))) 2172 code += ALTGR_OFFSET; 2173 key = &key_map.key[code]; 2174 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2175 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2176 state ^= 1; 2177 2178 /* Check for make/break */ 2179 action = key->map[state]; 2180 if (release) { /* key released */ 2181 if (key->spcl & 0x80) { 2182 switch (action) { 2183 case LSH: 2184 shfts &= ~1; 2185 break; 2186 case RSH: 2187 shfts &= ~2; 2188 break; 2189 case LCTR: 2190 ctls &= ~1; 2191 break; 2192 case RCTR: 2193 ctls &= ~2; 2194 break; 2195 case LALT: 2196 alts &= ~1; 2197 break; 2198 case RALT: 2199 alts &= ~2; 2200 break; 2201 case NLK: 2202 nlkcnt = 0; 2203 break; 2204 case CLK: 2205 clkcnt = 0; 2206 break; 2207 case SLK: 2208 slkcnt = 0; 2209 break; 2210 case ASH: 2211 agrs = 0; 2212 break; 2213 case ALK: 2214 alkcnt = 0; 2215 break; 2216 case META: 2217 metas = 0; 2218 break; 2219 } 2220 } 2221 if (chr && !compose) { 2222 action = chr; 2223 chr = 0; 2224 return (action); 2225 } 2226 } else { 2227 /* key pressed */ 2228 if (key->spcl & (0x80>>state)) { 2229 switch (action) { 2230 /* LOCKING KEYS */ 2231 case NLK: 2232 if (!nlkcnt) { 2233 nlkcnt++; 2234 if (cur_console->status & NLKED) 2235 cur_console->status &= ~NLKED; 2236 else 2237 cur_console->status |= NLKED; 2238 update_leds(cur_console->status & LED_MASK); 2239 } 2240 break; 2241 case CLK: 2242 if (!clkcnt) { 2243 clkcnt++; 2244 if (cur_console->status & CLKED) 2245 cur_console->status &= ~CLKED; 2246 else 2247 cur_console->status |= CLKED; 2248 update_leds(cur_console->status & LED_MASK); 2249 } 2250 break; 2251 case SLK: 2252 if (!slkcnt) { 2253 slkcnt++; 2254 if (cur_console->status & SLKED) { 2255 cur_console->status &= ~SLKED; 2256#if defined(NetBSD) 2257 pcstart(pc_tty[get_scr_num(cur_console)]); 2258#else 2259 pcstart(&pccons[get_scr_num(cur_console)]); 2260#endif 2261 } 2262 else 2263 cur_console->status |= SLKED; 2264 update_leds(cur_console->status & LED_MASK); 2265 } 2266 break; 2267 case ALK: 2268 if (!alkcnt) { 2269 alkcnt++; 2270 if (cur_console->status & ALKED) 2271 cur_console->status &= ~ALKED; 2272 else 2273 cur_console->status |= ALKED; 2274 } 2275 break; 2276 2277 /* NON-LOCKING KEYS */ 2278 case NOP: 2279 break; 2280 case RBT: 2281 cpu_reset(); 2282 break; 2283 case DBG: 2284#if DDB > 0 /* try to switch to console 0 */ 2285 if (cur_console->smode.mode == VT_AUTO && 2286 console[0].smode.mode == VT_AUTO) 2287 switch_scr(0); 2288 Debugger("manual escape to debugger"); 2289 return(NOKEY); 2290#else 2291 printf("No debugger in kernel\n"); 2292#endif 2293 break; 2294 case LSH: 2295 shfts |= 1; 2296 break; 2297 case RSH: 2298 shfts |= 2; 2299 break; 2300 case LCTR: 2301 ctls |= 1; 2302 break; 2303 case RCTR: 2304 ctls |= 2; 2305 break; 2306 case LALT: 2307 alts |= 1; 2308 break; 2309 case RALT: 2310 alts |= 2; 2311 break; 2312 case ASH: 2313 agrs = 1; 2314 break; 2315 case META: 2316 metas = 1; 2317 break; 2318 case NEXT: 2319 switch_scr((get_scr_num(cur_console)+1)%NCONS); 2320 break; 2321 default: 2322 if (action >= F_SCR && action <= L_SCR) { 2323 switch_scr(action - F_SCR); 2324 break; 2325 } 2326 if (action >= F_FN && action <= L_FN) 2327 action |= FKEY; 2328 return(action); 2329 } 2330 } 2331 else { 2332 if (metas) 2333 action |= MKEY; 2334 return(action); 2335 } 2336 } 2337 goto next_code; 2338} 2339 2340 2341int getchar(void) 2342{ 2343 u_char thechar; 2344 int s; 2345 2346 polling = 1; 2347 s = splhigh(); 2348 sput('>'); 2349 thechar = (u_char) sgetc(0); 2350 polling = 0; 2351 splx(s); 2352 switch (thechar) { 2353 default: 2354 if (thechar >= scr_map[0x20]) 2355 sput(thechar); 2356 return(thechar); 2357 case cr: 2358 case lf: 2359 sput(cr); sput(lf); 2360 return(lf); 2361 case bs: 2362 case del: 2363 sput(bs); sput(scr_map[0x20]); sput(bs); 2364 return(thechar); 2365 case cntld: 2366 sput('^'); sput('D'); sput('\r'); sput('\n'); 2367 return(0); 2368 } 2369} 2370 2371 2372int pcmmap(dev_t dev, int offset, int nprot) 2373{ 2374 if (offset > 0x20000) 2375 return EINVAL; 2376 return i386_btop((VIDEOMEM + offset)); 2377} 2378 2379 2380static void kbd_wait(void) 2381{ 2382 int i; 2383 for (i=0; i<10000; i++) 2384 if ((inb(KB_STAT) & KB_READY) == 0) 2385 break; 2386} 2387 2388 2389static void kbd_cmd(u_char command) 2390{ 2391 kbd_wait(); 2392 outb(KB_DATA, command); 2393} 2394 2395 2396static void set_mode(scr_stat *scp) 2397{ 2398 u_char byte; 2399 int s; 2400 2401 if (scp != cur_console) 2402 return; 2403 2404 /* (re)activate cursor */ 2405 untimeout((timeout_func_t)cursor_pos, 0); 2406 cursor_pos(); 2407 2408 /* change cursor type if set */ 2409 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2410 cursor_shape(scp->cursor_start, scp->cursor_end); 2411 2412 /* mode change only on VGA's */ 2413 if (!crtc_vga) 2414 return; 2415 2416 /* setup video hardware for the given mode */ 2417 s = splhigh(); 2418 switch(scp->mode) { 2419 case TEXT80x25: 2420 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2421 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2422 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2423 break; 2424 case TEXT80x50: 2425 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2426 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2427 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2428 break; 2429 default: 2430 break; 2431 } 2432 splx(s); 2433 2434 /* set border color for this (virtual) console */ 2435 set_border(scp->border); 2436 return; 2437} 2438 2439 2440static void set_border(int color) 2441{ 2442 inb(crtc_addr+6); /* reset flip-flop */ 2443 outb(ATC, 0x11); outb(ATC, color); 2444 inb(crtc_addr+6); /* reset flip-flop */ 2445 outb(ATC, 0x20); /* enable Palette */ 2446} 2447 2448static void load_font(int segment, int size, char* font) 2449{ 2450 int ch, line, s; 2451 u_char val; 2452 2453 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2454 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2455 2456 /* setup vga for loading fonts (graphics plane mode) */ 2457 s = splhigh(); 2458 inb(crtc_addr+6); /* reset flip/flop */ 2459 outb(ATC, 0x30); outb(ATC, 0x01); 2460 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2461 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2462 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2463 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2464 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2465 splx(s); 2466 for (ch=0; ch < 256; ch++) 2467 for (line=0; line < size; line++) 2468 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2469 font[(ch*size)+line]; 2470 /* setup vga for text mode again */ 2471 s = splhigh(); 2472 inb(crtc_addr+6); /* reset flip/flop */ 2473 outb(ATC, 0x30); outb(ATC, 0x0C); 2474 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2475 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2476 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2477 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2478 if (crtc_addr == MONO_BASE) { 2479 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2480 } 2481 else { 2482 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2483 } 2484 splx(s); 2485 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2486 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2487} 2488 2489 2490static void load_palette(void) 2491{ 2492 int i; 2493 2494 outb(PIXMASK, 0xFF); /* no pixelmask */ 2495 outb(PALWADR, 0x00); 2496 for (i=0x00; i<0x300; i++) 2497 outb(PALDATA, palette[i]); 2498 inb(crtc_addr+6); /* reset flip/flop */ 2499 outb(ATC, 0x20); /* enable palette */ 2500} 2501 2502static void save_palette(void) 2503{ 2504 int i; 2505 2506 outb(PALRADR, 0x00); 2507 for (i=0x00; i<0x300; i++) 2508 palette[i] = inb(PALDATA); 2509 inb(crtc_addr+6); /* reset flip/flop */ 2510} 2511 2512 2513static void change_winsize(struct tty *tp, int x, int y) 2514{ 2515 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2516 tp->t_winsize.ws_col = x; 2517 tp->t_winsize.ws_row = y; 2518 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2519 } 2520} 2521 2522#endif /* NSC */ 2523