syscons.c revision 802
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 1.19 1993/11/23 18:20:52 chmr 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); 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], 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 return (1); 365} 366 367 368static struct tty *get_tty_ptr(dev_t dev) 369{ 370 int unit = minor(dev); 371 372 if (unit >= NCONS) 373 return(NULL); 374#if defined(NetBSD) 375 if (!pc_tty[unit]) 376 pc_tty[unit] = ttymalloc(); 377 return(pc_tty[unit]); 378#else 379 return(&pccons[unit]); 380#endif 381} 382 383 384static scr_stat *get_scr_stat(dev_t dev) 385{ 386 int unit = minor(dev); 387 388 if (unit >= NCONS) 389 return(NULL); 390 return(&console[unit]); 391} 392 393 394static int get_scr_num(scr_stat *scp) /* allways call with legal scp !! */ 395{ 396 int i = 0; 397 398 while ((i < NCONS) && (cur_console != &console[i])) i++; 399 return i; 400} 401 402int 403pcopen(dev_t dev, int flag, int mode, struct proc *p) 404{ 405 struct tty *tp = get_tty_ptr(dev); 406 407 if (!tp) 408 return(ENXIO); 409 if (!cur_tty) 410 cur_tty = tp; 411 tp->t_oproc = (void*)pcstart; 412 tp->t_param = pcparam; 413 tp->t_dev = dev; 414 if ((tp->t_state & TS_ISOPEN) == 0) { 415 tp->t_state |= TS_WOPEN; 416 ttychars(tp); 417 tp->t_iflag = TTYDEF_IFLAG; 418 tp->t_oflag = TTYDEF_OFLAG; 419 tp->t_cflag = TTYDEF_CFLAG; 420 tp->t_lflag = TTYDEF_LFLAG; 421 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 422 pcparam(tp, &tp->t_termios); 423 ttsetwater(tp); 424 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 425 return(EBUSY); 426 tp->t_state |= TS_CARR_ON; 427 return((*linesw[tp->t_line].l_open)(dev, tp, 0)); 428} 429 430 431int 432pcclose(dev_t dev, int flag, int mode, struct proc *p) 433{ 434 struct tty *tp = get_tty_ptr(dev); 435 struct scr_stat *scp; 436 437 if (!tp) 438 return(ENXIO); 439 scp = get_scr_stat(tp->t_dev); 440 scp->pid = 0; 441 scp->proc = NULL; 442 scp->smode.mode = VT_AUTO; 443 (*linesw[tp->t_line].l_close)(tp, flag); 444 ttyclose(tp); 445 return(0); 446} 447 448 449int 450pcread(dev_t dev, struct uio *uio, int flag) 451{ 452 struct tty *tp = get_tty_ptr(dev); 453 454 if (!tp) 455 return(ENXIO); 456 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 457} 458 459 460int 461pcwrite(dev_t dev, struct uio *uio, int flag) 462{ 463 struct tty *tp = get_tty_ptr(dev); 464 465 if (!tp) 466 return(ENXIO); 467 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 468} 469 470 471/* 472 * Got a console interrupt, keyboard action ! 473 * Catch the character, and see who it goes to. 474 */ 475void 476scintr(dev_t dev, int irq, int cpl) 477{ 478 int c, len; 479 u_char *cp; 480 481 /* make screensaver happy */ 482 scrn_time_stamp = time.tv_sec; 483 if (scrn_blanked) 484 scrn_saver(0); 485 486 c = sgetc(1); 487 if (!cur_tty) 488 return; 489 if ((cur_tty->t_state & TS_ISOPEN) == 0 || polling) 490 return; 491 492 switch (c & 0xff00) { 493 case 0x0000: /* normal key */ 494 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 495 break; 496 case NOKEY: /* nothing there */ 497 return; 498 case FKEY: /* function key, return string */ 499 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 500 while (len-- > 0) 501 (*linesw[cur_tty->t_line].l_rint) 502 (*cp++ & 0xFF, cur_tty); 503 } 504 break; 505 case MKEY: /* meta is active, prepend ESC */ 506 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 507 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 508 break; 509 } 510} 511 512 513/* 514 * Set line parameters 515 */ 516int 517pcparam(struct tty *tp, struct termios *t) 518{ 519 int cflag = t->c_cflag; 520 521 /* and copy to tty */ 522 tp->t_ispeed = t->c_ispeed; 523 tp->t_ospeed = t->c_ospeed; 524 tp->t_cflag = cflag; 525 return(0); 526} 527 528 529#if defined(NetBSD) 530#define frametype struct trapframe 531#define eflags tf_eflags 532#else 533#define frametype struct syscframe 534#define eflags sf_eflags 535#endif 536 537int 538pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 539{ 540 int i, error; 541 struct tty *tp; 542 frametype *fp; 543 scr_stat *scp; 544 545 tp = get_tty_ptr(dev); 546 if (!tp) 547 return ENXIO; 548 scp = get_scr_stat(tp->t_dev); 549 550 switch (cmd) { /* process console hardware related ioctl's */ 551 552 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 553 scrn_blank_time = *(int*)data; 554 return 0; 555 556 case CONS_80x25TEXT: /* set 80x25 text mode */ 557 if (!crtc_vga) 558 return ENXIO; 559 scp->mode = TEXT80x25; 560 scp->max_posy = 25; 561 free(scp->scr, M_DEVBUF); 562 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 563 M_DEVBUF, M_NOWAIT); 564 if (scp != cur_console) 565 scp->crt_base = scp->scr; 566 set_mode(scp); 567 clear_screen(scp); 568 change_winsize(tp, scp->max_posx, scp->max_posy); 569 return 0; 570 571 case CONS_80x50TEXT: /* set 80x50 text mode */ 572 if (!crtc_vga) 573 return ENXIO; 574 scp->mode = TEXT80x50; 575 scp->max_posy = 50; 576 free(scp->scr, M_DEVBUF); 577 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 578 M_DEVBUF, M_NOWAIT); 579 if (scp != cur_console) 580 scp->crt_base = scp->scr; 581 set_mode(scp); 582 clear_screen(scp); 583 change_winsize(tp, scp->max_posx, scp->max_posy); 584 return 0; 585 586 case CONS_GETVERS: /* get version number */ 587 *(int*)data = 0x100; /* version 1.0 */ 588 return 0; 589 590 case CONS_GETINFO: /* get current (virtual) console info */ 591 if (*data == sizeof(struct vid_info)) { 592 vid_info_t *ptr = (vid_info_t*)data; 593 ptr->m_num = get_scr_num(scp); 594 ptr->mv_col = scp->posx; 595 ptr->mv_row = scp->posy; 596 ptr->mv_csz = scp->max_posx; 597 ptr->mv_rsz = scp->max_posy; 598 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 599 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 600 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 601 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 602 ptr->mv_grfc.fore = 0; /* not supported */ 603 ptr->mv_grfc.back = 0; /* not supported */ 604 ptr->mv_ovscan = scp->border; 605 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 606 return 0; 607 } 608 return EINVAL; 609 610 case VT_SETMODE: /* set screen switcher mode */ 611 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 612 if (scp->smode.mode == VT_PROCESS) { 613 scp->proc = p; 614 scp->pid = scp->proc->p_pid; 615 } 616 return 0; 617 618 case VT_GETMODE: /* get screen switcher mode */ 619 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 620 return 0; 621 622 case VT_RELDISP: /* screen switcher ioctl */ 623 switch(*data) { 624 case VT_FALSE: /* user refuses to release screen, abort */ 625 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 626 old_scp->status &= ~SWITCH_WAIT_REL; 627 switch_in_progress = 0; 628 return 0; 629 } 630 return EINVAL; 631 632 case VT_TRUE: /* user has released screen, go on */ 633 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 634 scp->status &= ~SWITCH_WAIT_REL; 635 exchange_scr(); 636 if (new_scp->smode.mode == VT_PROCESS) { 637 new_scp->status |= SWITCH_WAIT_ACQ; 638 psignal(new_scp->proc, 639 new_scp->smode.acqsig); 640 } 641 else 642 switch_in_progress = 0; 643 return 0; 644 } 645 return EINVAL; 646 647 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 648 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 649 scp->status &= ~SWITCH_WAIT_ACQ; 650 switch_in_progress = 0; 651 return 0; 652 } 653 return EINVAL; 654 655 default: 656 return EINVAL; 657 } 658 /* NOT REACHED */ 659 660 case VT_OPENQRY: /* return free virtual console */ 661 for (i = 0; i < NCONS; i++) 662#if defined(NetBSD) 663 if (!(pc_tty[i]->t_state & TS_ISOPEN)) { 664#else 665 if (!(pccons[i].t_state & TS_ISOPEN)) { 666#endif 667 *data = i + 1; 668 return 0; 669 } 670 return EINVAL; 671 /* NOT REACHED */ 672 673 case VT_ACTIVATE: /* switch to screen *data */ 674 return switch_scr((*data) - 1); 675 676 case VT_WAITACTIVE: /* wait for switch to occur */ 677 if (*data > NCONS) 678 return EINVAL; 679 if (minor(dev) == (*data) - 1) 680 return 0; 681 if (*data == 0) { 682 if (scp == cur_console) 683 return 0; 684 while ((error=tsleep((caddr_t)&scp->smode, 685 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 686 } 687 else 688 while ((error=tsleep( 689 (caddr_t)&console[*data].smode, 690 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 691 return error; 692 693 case VT_GETACTIVE: 694 *data = get_scr_num(scp)+1; 695 return 0; 696 697 case KDENABIO: /* allow io operations */ 698 fp = (frametype *)p->p_regs; 699 fp->eflags |= PSL_IOPL; 700 return 0; 701 702 case KDDISABIO: /* disallow io operations (default) */ 703 fp = (frametype *)p->p_regs; 704 fp->eflags &= ~PSL_IOPL; 705 return 0; 706 707 case KDSETMODE: /* set current mode of this (virtual) console */ 708 switch (*data) { 709 case KD_TEXT: /* switch to TEXT (known) mode */ 710 /* restore fonts & palette ! */ 711 if (crtc_vga) { 712 load_font(0, 16, font_8x16); 713 load_font(1, 8, font_8x8); 714 load_font(2, 14, font_8x14); 715 load_palette(); 716 } 717 /* FALL THROUGH */ 718 719 case KD_TEXT1: /* switch to TEXT (known) mode */ 720 /* no restore fonts & palette */ 721 scp->status &= ~UNKNOWN_MODE; 722 set_mode(scp); 723 clear_screen(scp); 724 return 0; 725 726 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 727 scp->status |= UNKNOWN_MODE; 728 return 0; 729 default: 730 return EINVAL; 731 } 732 /* NOT REACHED */ 733 734 case KDGETMODE: /* get current mode of this (virtual) console */ 735 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 736 return 0; 737 738 case KDSBORDER: /* set border color of this (virtual) console */ 739 if (!crtc_vga) 740 return ENXIO; 741 scp->border = *data; 742 if (scp == cur_console) 743 set_border(scp->border); 744 return 0; 745 746 case KDSKBSTATE: /* set keyboard state (locks) */ 747 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 748 scp->status &= ~LOCK_KEY_MASK; 749 scp->status |= *data; 750 if (scp == cur_console) 751 update_leds(scp->status & LED_MASK); 752 return 0; 753 } 754 return EINVAL; 755 756 case KDGKBSTATE: /* get keyboard state (locks) */ 757 *data = scp->status & LOCK_KEY_MASK; 758 return 0; 759 760 case KDSETRAD: /* set keyboard repeat & delay rates */ 761 if (*(u_char*)data < 0x80) { 762 kbd_cmd(KB_SETRAD); 763 kbd_cmd(*data & 0x7f); 764 return 0; 765 } 766 return EINVAL; 767 768 case KDSKBMODE: /* set keyboard mode */ 769 switch (*data) { 770 case K_RAW: /* switch to RAW scancode mode */ 771 scp->status |= KBD_RAW_MODE; 772 return 0; 773 774 case K_XLATE: /* switch to XLT ascii mode */ 775 scp->status &= ~KBD_RAW_MODE; 776 return 0; 777 default: 778 return EINVAL; 779 } 780 /* NOT REACHED */ 781 782 case KDGKBMODE: /* get keyboard mode */ 783 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 784 return 0; 785 786 case KDMKTONE: /* sound the bell */ 787 if (scp == cur_console) 788 sysbeep(scp->bell_pitch, scp->bell_duration); 789 return 0; 790 791 case KIOCSOUND: /* make tone (*data) hz */ 792 if (scp == cur_console) { 793 if (*(int*)data) { 794 int pitch = TIMER_FREQ/(*(int*)data); 795 /* enable counter 2 */ 796 outb(0x61, inb(0x61) | 3); 797 /* set command for counter 2, 2 byte write */ 798 outb(TIMER_MODE, 799 TIMER_SEL2|TIMER_16BIT|TIMER_SQWAVE); 800 /* set pitch */ 801 outb(TIMER_CNTR2, pitch); 802 outb(TIMER_CNTR2, (pitch>>8)); 803 } 804 else { 805 /* disable counter 2 */ 806 outb(0x61, inb(0x61) & 0xFC); 807 } 808 } 809 return 0; 810 811 case KDGKBTYPE: /* get keyboard type */ 812 *data = 0; /* type not known (yet) */ 813 return 0; 814 815 case KDSETLED: /* set keyboard LED status */ 816 if (*data >= 0 && *data <= LED_MASK) { 817 scp->status &= ~LED_MASK; 818 scp->status |= *data; 819 if (scp == cur_console) 820 update_leds(scp->status & LED_MASK); 821 return 0; 822 } 823 return EINVAL; 824 825 case KDGETLED: /* get keyboard LED status */ 826 *data = scp->status & LED_MASK; 827 return 0; 828 829 case GETFKEY: /* get functionkey string */ 830 if (*(u_short*)data < n_fkey_tab) { 831 fkeyarg_t *ptr = (fkeyarg_t*)data; 832 bcopy(&fkey_tab[ptr->keynum].str, 833 ptr->keydef, 834 fkey_tab[ptr->keynum].len); 835 ptr->flen = fkey_tab[ptr->keynum].len; 836 return 0; 837 } 838 else 839 return EINVAL; 840 841 case SETFKEY: /* set functionkey string */ 842 if (*(u_short*)data < n_fkey_tab) { 843 fkeyarg_t *ptr = (fkeyarg_t*)data; 844 bcopy(ptr->keydef, 845 &fkey_tab[ptr->keynum].str, 846 min(ptr->flen, MAXFK)); 847 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 848 return 0; 849 } 850 else 851 return EINVAL; 852 853 case GIO_SCRNMAP: /* get output translation table */ 854 bcopy(&scr_map, data, sizeof(scr_map)); 855 return 0; 856 857 case PIO_SCRNMAP: /* set output translation table */ 858 bcopy(data, &scr_map, sizeof(scr_map)); 859 return 0; 860 861 case GIO_KEYMAP: /* get keyboard translation table */ 862 bcopy(&key_map, data, sizeof(key_map)); 863 return 0; 864 865 case PIO_KEYMAP: /* set keyboard translation table */ 866 bcopy(data, &key_map, sizeof(key_map)); 867 return 0; 868 869 case PIO_FONT8x8: /* set 8x8 dot font */ 870 if (!crtc_vga) 871 return ENXIO; 872 bcopy(data, &font_8x8, sizeof(font_8x8)); 873 load_font(1, 8, font_8x8); 874 return 0; 875 876 case GIO_FONT8x8: /* get 8x8 dot font */ 877 if (!crtc_vga) 878 return ENXIO; 879 bcopy(&font_8x8, data, sizeof(font_8x8)); 880 return 0; 881 882 case PIO_FONT8x14: /* set 8x14 dot font */ 883 if (!crtc_vga) 884 return ENXIO; 885 bcopy(data, &font_8x14, sizeof(font_8x14)); 886 load_font(2, 14, font_8x14); 887 return 0; 888 889 case GIO_FONT8x14: /* get 8x14 dot font */ 890 if (!crtc_vga) 891 return ENXIO; 892 bcopy(&font_8x14, data, sizeof(font_8x14)); 893 return 0; 894 895 case PIO_FONT8x16: /* set 8x16 dot font */ 896 if (!crtc_vga) 897 return ENXIO; 898 bcopy(data, &font_8x16, sizeof(font_8x16)); 899 load_font(0, 16, font_8x16); 900 return 0; 901 902 case GIO_FONT8x16: /* get 8x16 dot font */ 903 if (!crtc_vga) 904 return ENXIO; 905 bcopy(&font_8x16, data, sizeof(font_8x16)); 906 return 0; 907 908 case CONSOLE_X_MODE_ON: /* just to be compatible */ 909 if (saved_console < 0) { 910 saved_console = get_scr_num(cur_console); 911 switch_scr(minor(dev)); 912 fp = (frametype *)p->p_regs; 913 fp->eflags |= PSL_IOPL; 914 scp->status |= UNKNOWN_MODE; 915 scp->status |= KBD_RAW_MODE; 916 return 0; 917 } 918 return EAGAIN; 919 920 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 921 fp = (frametype *)p->p_regs; 922 fp->eflags &= ~PSL_IOPL; 923 if (crtc_vga) { 924 load_font(0, 16, font_8x16); 925 load_font(1, 8, font_8x8); 926 load_font(2, 14, font_8x14); 927 load_palette(); 928 } 929 scp->status &= ~UNKNOWN_MODE; 930 set_mode(scp); 931 clear_screen(scp); 932 scp->status &= ~KBD_RAW_MODE; 933 switch_scr(saved_console); 934 saved_console = -1; 935 return 0; 936 937 case CONSOLE_X_BELL: /* more compatibility */ 938 /* 939 * if set, data is a pointer to a length 2 array of 940 * integers. data[0] is the pitch in Hz and data[1] 941 * is the duration in msec. 942 */ 943 if (data) 944 sysbeep(TIMER_FREQ/((int*)data)[0], 945 ((int*)data)[1]*hz/3000); 946 else 947 sysbeep(scp->bell_pitch, scp->bell_duration); 948 return 0; 949 950 default: 951 break; 952 } 953 954 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 955 if (error >= 0) 956 return(error); 957 error = ttioctl(tp, cmd, data, flag); 958 if (error >= 0) 959 return(error); 960 return(ENOTTY); 961} 962 963 964void 965pcxint(dev_t dev) 966{ 967 int unit = minor(dev); 968 969#if defined(NetBSD) 970 if (!pc_tty[unit]) 971 return; 972 pc_tty[unit]->t_state &= ~TS_BUSY; 973 if (pc_tty[unit]->t_line) 974 (*linesw[pc_tty[unit]->t_line].l_start)(pc_tty[unit]); 975 else 976 pcstart(pc_tty[unit]); 977#else 978 pccons[unit].t_state &= ~TS_BUSY; 979 if (pccons[unit].t_line) 980 (*linesw[pccons[unit].t_line].l_start)(&pccons[unit]); 981 else 982 pcstart(&pccons[unit]); 983#endif 984} 985 986 987void 988pcstart(struct tty *tp) 989{ 990#if defined(NetBSD) 991 struct clist *rbp; 992 int i, s, len; 993 u_char buf[PCBURST]; 994 scr_stat *scp = get_scr_stat(tp->t_dev); 995 996 if (scp->status & SLKED) 997 return; 998 s = spltty(); 999 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1000 tp->t_state |= TS_BUSY; 1001 splx(s); 1002 rbp = &tp->t_outq; 1003 len = q_to_b(rbp, buf, PCBURST); 1004 for (i=0; i<len; i++) 1005 if (buf[i]) ansi_put(scp, buf[i]); 1006 s = spltty(); 1007 tp->t_state &= ~TS_BUSY; 1008 if (rbp->c_cc) { 1009 tp->t_state |= TS_TIMEOUT; 1010 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1011 } 1012 if (rbp->c_cc <= tp->t_lowat) { 1013 if (tp->t_state & TS_ASLEEP) { 1014 tp->t_state &= ~TS_ASLEEP; 1015 wakeup((caddr_t)rbp); 1016 } 1017 selwakeup(&tp->t_wsel); 1018 } 1019 1020 } 1021 splx(s); 1022#else 1023 int c, s; 1024 scr_stat *scp = get_scr_stat(tp->t_dev); 1025 1026 s = spltty(); 1027 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 1028 for (;;) { 1029 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 1030 if (tp->t_state & TS_ASLEEP) { 1031 tp->t_state &= ~TS_ASLEEP; 1032 wakeup((caddr_t)&tp->t_out); 1033 } 1034 if (tp->t_wsel) { 1035 selwakeup(tp->t_wsel, 1036 tp->t_state & TS_WCOLL); 1037 tp->t_wsel = 0; 1038 tp->t_state &= ~TS_WCOLL; 1039 } 1040 } 1041 if (RB_LEN(&tp->t_out) == 0) 1042 break; 1043 if (scp->status & SLKED) 1044 break; 1045 c = getc(&tp->t_out); 1046 tp->t_state |= TS_BUSY; 1047 splx(s); 1048 ansi_put(scp, c); 1049 s = spltty(); 1050 tp->t_state &= ~TS_BUSY; 1051 } 1052 splx(s); 1053#endif 1054} 1055 1056 1057int 1058pccnprobe(struct consdev *cp) 1059{ 1060 int maj; 1061 1062 /* locate the major number */ 1063 for (maj = 0; maj < nchrdev; maj++) 1064 if ((void*) cdevsw[maj].d_open == (void*) pcopen) 1065 break; 1066 1067 /* initialize required fields */ 1068 cp->cn_dev = makedev(maj, 0); 1069#if !defined(NetBSD) 1070 cp->cn_tp = &pccons[0]; 1071#endif 1072 cp->cn_pri = CN_INTERNAL; 1073 return (1); 1074} 1075 1076 1077int 1078pccninit(struct consdev *cp) 1079{ 1080 scinit(); 1081 return (1); 1082} 1083 1084 1085void 1086pccnputc(dev_t dev, char c) 1087{ 1088 int pos; 1089 1090 if (cur_console->status & UNKNOWN_MODE) 1091 return; 1092 if (c == '\n') 1093 sput('\r'); 1094 sput(c); 1095 pos = cur_console->crtat - cur_console->crt_base; 1096 if (pos != cur_cursor_pos) { 1097 cur_cursor_pos = pos; 1098 outb(crtc_addr,14); 1099 outb(crtc_addr+1,pos >> 8); 1100 outb(crtc_addr,15); 1101 outb(crtc_addr+1,pos&0xff); 1102 } 1103} 1104 1105 1106int 1107pccngetc(dev_t dev) 1108{ 1109 int c, s; 1110 1111 s = spltty(); /* block scintr while we poll */ 1112 c = sgetc(0); 1113 splx(s); 1114 if (c == '\r') c = '\n'; 1115 return(c); 1116} 1117 1118#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1119 1120static void scrn_saver(int test) 1121{ 1122 u_char val; 1123 1124 if (test) { 1125 scrn_blanked = 1; 1126 outb(TSIDX, 0x01); val = inb(TSREG); 1127 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1128 } 1129 else { 1130 scrn_blanked = 0; 1131 outb(TSIDX, 0x01); val = inb(TSREG); 1132 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1133 } 1134} 1135#endif 1136#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1137 1138static u_long rand_next = 1; 1139 1140static int rand() 1141{ 1142 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1143} 1144#endif 1145#if defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1146/* 1147 * Alternate saver that got its inspiration from a well known utility 1148 * package for an unfamous OS. 1149 */ 1150 1151#define NUM_STARS 50 1152 1153static void scrn_saver(int test) 1154{ 1155 scr_stat *scp = cur_console; 1156 int cell, i; 1157 char pattern[] = {"...........++++*** "}; 1158 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1159 FG_WHITE, FG_LIGHTCYAN}; 1160 static u_short stars[NUM_STARS][2]; 1161 1162 if (test) { 1163 if (!scrn_blanked) { 1164 bcopy(Crtat, scp->scr, 1165 scp->max_posx * scp->max_posy * 2); 1166 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1167 scp->max_posx * scp->max_posy); 1168 set_border(0); 1169 i = scp->max_posy * scp->max_posx + 5; 1170 outb(crtc_addr, 14); 1171 outb(crtc_addr+1, i >> 8); 1172 outb(crtc_addr, 15); 1173 outb(crtc_addr+1, i & 0xff); 1174 scrn_blanked = 1; 1175 for(i=0; i<NUM_STARS; i++) { 1176 stars[i][0] = 1177 rand() % (scp->max_posx*scp->max_posy); 1178 stars[i][1] = 0; 1179 } 1180 } 1181 cell = rand() % NUM_STARS; 1182 *((u_short*)(Crtat + stars[cell][0])) = 1183 scr_map[pattern[stars[cell][1]]] | 1184 colors[rand()%sizeof(colors)] << 8; 1185 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1186 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1187 stars[cell][1] = 0; 1188 } 1189 } 1190 else { 1191 if (scrn_blanked) { 1192 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1193 cur_cursor_pos = -1; 1194 set_border(scp->border); 1195 scrn_blanked = 0; 1196 } 1197 } 1198} 1199#endif 1200#if defined(SNAKE_SAVER) && !defined(STAR_SAVER) 1201/* 1202 * alternative screen saver for cards that do not like blanking 1203 */ 1204 1205static void scrn_saver(int test) 1206{ 1207 const char saves[] = {"FreeBSD"}; 1208 static u_char *savs[sizeof(saves)-1]; 1209 static int dirx, diry; 1210 int f; 1211 scr_stat *scp = cur_console; 1212 1213 if (test) { 1214 if (!scrn_blanked) { 1215 bcopy(Crtat, scp->scr, 1216 scp->max_posx * scp->max_posy * 2); 1217 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1218 scp->max_posx * scp->max_posy); 1219 set_border(0); 1220 dirx = (scp->posx ? 1 : -1); 1221 diry = (scp->posy ? 1222 scp->max_posx : -scp->max_posx); 1223 for (f=0; f< sizeof(saves)-1; f++) 1224 savs[f] = (u_char *)Crtat + 2 * 1225 (scp->posx+scp->posy*scp->max_posx); 1226 *(savs[0]) = scr_map[*saves]; 1227 f = scp->max_posy * scp->max_posx + 5; 1228 outb(crtc_addr, 14); 1229 outb(crtc_addr+1, f >> 8); 1230 outb(crtc_addr, 15); 1231 outb(crtc_addr+1, f & 0xff); 1232 scrn_blanked = 1; 1233 } 1234 if (scrn_blanked++ < 4) 1235 return; 1236 scrn_blanked = 1; 1237 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1238 for (f=sizeof(saves)-2; f > 0; f--) 1239 savs[f] = savs[f-1]; 1240 f = (savs[0] - (u_char *)Crtat) / 2; 1241 if ((f % scp->max_posx) == 0 || 1242 (f % scp->max_posx) == scp->max_posx - 1 || 1243 (rand() % 50) == 0) 1244 dirx = -dirx; 1245 if ((f / scp->max_posx) == 0 || 1246 (f / scp->max_posx) == scp->max_posy - 1 || 1247 (rand() % 20) == 0) 1248 diry = -diry; 1249 savs[0] += 2*dirx + 2*diry; 1250 for (f=sizeof(saves)-2; f>=0; f--) 1251 *(savs[f]) = scr_map[saves[f]]; 1252 } 1253 else { 1254 if (scrn_blanked) { 1255 bcopy(scp->scr, Crtat, 1256 scp->max_posx * scp->max_posy * 2); 1257 cur_cursor_pos = -1; 1258 set_border(scp->border); 1259 scrn_blanked = 0; 1260 } 1261 } 1262} 1263#endif 1264 1265static void cursor_shape(int start, int end) 1266{ 1267 outb(crtc_addr, 10); 1268 outb(crtc_addr+1, start & 0xFF); 1269 outb(crtc_addr, 11); 1270 outb(crtc_addr+1, end & 0xFF); 1271} 1272 1273 1274static void get_cursor_shape(int *start, int *end) 1275{ 1276 outb(crtc_addr, 10); 1277 *start = inb(crtc_addr+1) & 0x1F; 1278 outb(crtc_addr, 11); 1279 *end = inb(crtc_addr+1) & 0x1F; 1280} 1281 1282 1283int cursor_pos(void) 1284{ 1285 int pos; 1286 1287 if (cur_console->status & UNKNOWN_MODE) 1288 return (0); 1289 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1290 scrn_saver(1); 1291 pos = cur_console->crtat - cur_console->crt_base; 1292 if (!scrn_blanked && pos != cur_cursor_pos) { 1293 cur_cursor_pos = pos; 1294 outb(crtc_addr, 14); 1295 outb(crtc_addr+1, pos>>8); 1296 outb(crtc_addr, 15); 1297 outb(crtc_addr+1, pos&0xff); 1298 } 1299 timeout((timeout_func_t)cursor_pos, 0, hz/20); 1300 return (0); 1301} 1302 1303 1304static void clear_screen(scr_stat *scp) 1305{ 1306 move_crsr(scp, 0, 0); 1307 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1308 scp->max_posx * scp->max_posy); 1309} 1310 1311 1312static int switch_scr(u_int next_scr) 1313{ 1314 if (in_putc) { /* don't switch if in putc */ 1315 nx_scr = next_scr+1; 1316 return 0; 1317 } 1318 if (switch_in_progress && 1319 (cur_console->proc != pfind(cur_console->pid))) 1320 switch_in_progress = 0; 1321 if (next_scr >= NCONS || switch_in_progress) { 1322 sysbeep(BELL_PITCH, BELL_DURATION); 1323 return EINVAL; 1324 } 1325 switch_in_progress = 1; 1326 old_scp = cur_console; 1327 new_scp = &console[next_scr]; 1328 wakeup((caddr_t)&new_scp->smode); 1329 if (new_scp == old_scp) { 1330 switch_in_progress = 0; 1331 return 0; 1332 } 1333 1334 /* has controlling process died? */ 1335 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1336 old_scp->smode.mode = VT_AUTO; 1337 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1338 new_scp->smode.mode = VT_AUTO; 1339 1340 /* check the modes and switch approbiatly */ 1341 if (old_scp->smode.mode == VT_PROCESS) { 1342 old_scp->status |= SWITCH_WAIT_REL; 1343 psignal(old_scp->proc, old_scp->smode.relsig); 1344 } 1345 else { 1346 exchange_scr(); 1347 if (new_scp->smode.mode == VT_PROCESS) { 1348 new_scp->status |= SWITCH_WAIT_ACQ; 1349 psignal(new_scp->proc, new_scp->smode.acqsig); 1350 } 1351 else 1352 switch_in_progress = 0; 1353 } 1354 return 0; 1355} 1356 1357 1358static void exchange_scr(void) 1359{ 1360 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1361 old_scp->crt_base = old_scp->scr; 1362 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1363 cur_console = new_scp; 1364#if defined(NetBSD) 1365 cur_tty = pc_tty[get_scr_num(new_scp)]; 1366#else 1367 cur_tty = &pccons[get_scr_num(new_scp)]; 1368#endif 1369 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1370 shfts = ctls = alts = agrs = metas = 0; 1371 update_leds(new_scp->status & LED_MASK); 1372 set_mode(new_scp); 1373 new_scp->crt_base = Crtat; 1374 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1375 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1376 nx_scr = 0; 1377} 1378 1379 1380static void move_crsr(scr_stat *scp, int x, int y) 1381{ 1382 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1383 return; 1384 scp->posx = x; 1385 scp->posy = y; 1386 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1387} 1388 1389 1390static void move_up(u_short *s, u_short *d, u_int len) 1391{ 1392 s += len; 1393 d += len; 1394 while (len-- > 0) 1395 *--d = *--s; 1396} 1397 1398 1399static void move_down(u_short *s, u_short *d, u_int len) 1400{ 1401 while (len-- > 0) 1402 *d++ = *s++; 1403} 1404 1405 1406static void scan_esc(scr_stat *scp, u_char c) 1407{ 1408 static u_char ansi_col[16] = 1409 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1410 int i, n; 1411 u_short *src, *dst, count; 1412 1413 if (scp->term.esc == 1) { 1414 switch (c) { 1415 1416 case '[': /* Start ESC [ sequence */ 1417 scp->term.esc = 2; 1418 scp->term.last_par = -1; 1419 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1420 scp->term.par[i] = 1; 1421 scp->term.n_par = 0; 1422 return; 1423 1424 case 'M': /* Move cursor up 1 line, scroll if at top */ 1425 if (scp->posy > 0) 1426 move_crsr(scp, scp->posx, scp->posy - 1); 1427 else { 1428 move_up(scp->crt_base, 1429 scp->crt_base + scp->max_posx, 1430 (scp->max_posy - 1) * scp->max_posx); 1431 fillw(scp->term.attr | scr_map[0x20], 1432 scp->crt_base, scp->max_posx); 1433 } 1434 break; 1435#if notyet 1436 case 'Q': 1437 scp->term.esc = 4; 1438 break; 1439#endif 1440 case 'c': /* Clear screen & home */ 1441 clear_screen(scp); 1442 break; 1443 } 1444 } 1445 else if (scp->term.esc == 2) { 1446 if (c >= '0' && c <= '9') { 1447 if (scp->term.n_par < MAX_ESC_PAR) { 1448 if (scp->term.last_par != scp->term.n_par) { 1449 scp->term.last_par = scp->term.n_par; 1450 scp->term.par[scp->term.n_par] = 0; 1451 } 1452 else 1453 scp->term.par[scp->term.n_par] *= 10; 1454 scp->term.par[scp->term.n_par] += c - '0'; 1455 return; 1456 } 1457 } 1458 scp->term.n_par = scp->term.last_par + 1; 1459 switch (c) { 1460 1461 case ';': 1462 if (scp->term.n_par < MAX_ESC_PAR) 1463 return; 1464 break; 1465 1466 case '=': 1467 scp->term.esc = 3; 1468 scp->term.last_par = -1; 1469 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1470 scp->term.par[i] = 1; 1471 scp->term.n_par = 0; 1472 return; 1473 1474 case 'A': /* up 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 'B': /* down n rows */ 1480 n = scp->term.par[0]; if (n < 1) n = 1; 1481 move_crsr(scp, scp->posx, scp->posy + n); 1482 break; 1483 1484 case 'C': /* right 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 'D': /* left n columns */ 1490 n = scp->term.par[0]; if (n < 1) n = 1; 1491 move_crsr(scp, scp->posx - n, scp->posy); 1492 break; 1493 1494 case 'E': /* cursor to start of line n lines down */ 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': /* cursor to start of line n lines up */ 1500 n = scp->term.par[0]; if (n < 1) n = 1; 1501 move_crsr(scp, 0, scp->posy - n); 1502 break; 1503 1504 case 'f': /* System V consoles .. */ 1505 case 'H': /* Cursor move */ 1506 if (scp->term.n_par == 0) 1507 move_crsr(scp, 0, 0); 1508 else if (scp->term.n_par == 2) 1509 move_crsr(scp, scp->term.par[1] - 1, 1510 scp->term.par[0] - 1); 1511 break; 1512 1513 case 'J': /* Clear all or part of display */ 1514 if (scp->term.n_par == 0) 1515 n = 0; 1516 else 1517 n = scp->term.par[0]; 1518 switch (n) { 1519 case 0: /* clear form cursor to end of display */ 1520 fillw(scp->term.attr | scr_map[0x20], 1521 scp->crtat, scp->crt_base + 1522 scp->max_posx * scp->max_posy - 1523 scp->crtat); 1524 break; 1525 case 1: /* clear from beginning of display to cursor */ 1526 fillw(scp->term.attr | scr_map[0x20], 1527 scp->crt_base, 1528 scp->crtat - scp->crt_base); 1529 break; 1530 case 2: /* clear entire display */ 1531 clear_screen(scp); 1532 break; 1533 } 1534 break; 1535 1536 case 'K': /* Clear all or part of line */ 1537 if (scp->term.n_par == 0) 1538 n = 0; 1539 else 1540 n = scp->term.par[0]; 1541 switch (n) { 1542 case 0: /* clear form cursor to end of line */ 1543 fillw(scp->term.attr | scr_map[0x20], 1544 scp->crtat, scp->max_posx - scp->posx); 1545 break; 1546 case 1: /* clear from beginning of line to cursor */ 1547 fillw(scp->term.attr|scr_map[0x20], 1548 scp->crtat - (scp->max_posx - scp->posx), 1549 (scp->max_posx - scp->posx) + 1); 1550 break; 1551 case 2: /* clear entire line */ 1552 fillw(scp->term.attr|scr_map[0x20], 1553 scp->crtat - (scp->max_posx - scp->posx), 1554 scp->max_posx); 1555 break; 1556 } 1557 break; 1558 1559 case 'L': /* Insert n lines */ 1560 n = scp->term.par[0]; if (n < 1) n = 1; 1561 if (n > scp->max_posy - scp->posy) 1562 n = scp->max_posy - scp->posy; 1563 src = scp->crt_base + scp->posy * scp->max_posx; 1564 dst = src + n * scp->max_posx; 1565 count = scp->max_posy - (scp->posy + n); 1566 move_up(src, dst, count * scp->max_posx); 1567 fillw(scp->term.attr | scr_map[0x20], src, 1568 n * scp->max_posx); 1569 break; 1570 1571 case 'M': /* Delete n lines */ 1572 n = scp->term.par[0]; if (n < 1) n = 1; 1573 if (n > scp->max_posy - scp->posy) 1574 n = scp->max_posy - scp->posy; 1575 dst = scp->crt_base + scp->posy * scp->max_posx; 1576 src = dst + n * scp->max_posx; 1577 count = scp->max_posy - (scp->posy + n); 1578 move_down(src, dst, count * scp->max_posx); 1579 src = dst + count * scp->max_posx; 1580 fillw(scp->term.attr | scr_map[0x20], src, 1581 n * scp->max_posx); 1582 break; 1583 1584 case 'P': /* Delete n chars */ 1585 n = scp->term.par[0]; if (n < 1) n = 1; 1586 if (n > scp->max_posx - scp->posx) 1587 n = scp->max_posx - scp->posx; 1588 dst = scp->crtat; 1589 src = dst + n; 1590 count = scp->max_posx - (scp->posx + n); 1591 move_down(src, dst, count); 1592 src = dst + count; 1593 fillw(scp->term.attr | scr_map[0x20], src, n); 1594 break; 1595 1596 case '@': /* Insert n chars */ 1597 n = scp->term.par[0]; if (n < 1) n = 1; 1598 if (n > scp->max_posx - scp->posx) 1599 n = scp->max_posx - scp->posx; 1600 src = scp->crtat; 1601 dst = src + n; 1602 count = scp->max_posx - (scp->posx + n); 1603 move_up(src, dst, count); 1604 fillw(scp->term.attr | scr_map[0x20], src, n); 1605 break; 1606 1607 case 'S': /* scroll up n lines */ 1608 n = scp->term.par[0]; if (n < 1) n = 1; 1609 bcopy(scp->crt_base + (scp->max_posx * n), 1610 scp->crt_base, 1611 scp->max_posx * (scp->max_posy - n) * 1612 sizeof(u_short)); 1613 fillw(scp->term.attr | scr_map[0x20], 1614 scp->crt_base + scp->max_posx * 1615 (scp->max_posy - 1), 1616 scp->max_posx); 1617 break; 1618 1619 case 'T': /* scroll down n lines */ 1620 n = scp->term.par[0]; if (n < 1) n = 1; 1621 bcopy(scp->crt_base, 1622 scp->crt_base + (scp->max_posx * n), 1623 scp->max_posx * (scp->max_posy - n) * 1624 sizeof(u_short)); 1625 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1626 scp->max_posx); 1627 break; 1628 1629 case 'X': /* delete n characters in line */ 1630 n = scp->term.par[0]; if (n < 1) n = 1; 1631 fillw(scp->term.attr | scr_map[0x20], 1632 scp->crt_base + scp->posx + 1633 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1634 break; 1635 1636 case 'Z': /* move n tabs backwards */ 1637 n = scp->term.par[0]; if (n < 1) n = 1; 1638 if ((i = scp->posx & 0xf8) == scp->posx) 1639 i -= 8*n; 1640 else 1641 i -= 8*(n-1); 1642 if (i < 0) 1643 i = 0; 1644 move_crsr(scp, i, scp->posy); 1645 break; 1646 1647 case '`': /* move cursor to column n */ 1648 n = scp->term.par[0]; if (n < 1) n = 1; 1649 move_crsr(scp, n, scp->posy); 1650 break; 1651 1652 case 'a': /* move cursor n columns to the right */ 1653 n = scp->term.par[0]; if (n < 1) n = 1; 1654 move_crsr(scp, scp->posx + n, scp->posy); 1655 break; 1656 1657 case 'd': /* move cursor to row n */ 1658 n = scp->term.par[0]; if (n < 1) n = 1; 1659 move_crsr(scp, scp->posx, n); 1660 break; 1661 1662 case 'e': /* move cursor n rows down */ 1663 n = scp->term.par[0]; if (n < 1) n = 1; 1664 move_crsr(scp, scp->posx, scp->posy + n); 1665 break; 1666 1667 case 'm': /* change attribute */ 1668 if (scp->term.n_par == 0) 1669 n = 0; 1670 else 1671 n = scp->term.par[0]; 1672 switch (n) { 1673 case 0: /* back to normal */ 1674 scp->term.attr = scp->term.std_attr; 1675 break; 1676 case 1: /* highlight (bold) */ 1677 scp->term.attr &= 0xFF00; 1678 scp->term.attr |= 0x0800; 1679 break; 1680 case 4: /* highlight (underline) */ 1681 scp->term.attr &= 0x0F00; 1682 scp->term.attr |= 0x0800; 1683 break; 1684 case 5: /* blink */ 1685 scp->term.attr &= 0xFF00; 1686 scp->term.attr |= 0x8000; 1687 break; 1688 case 7: /* reverse video */ 1689 scp->term.attr = scp->term.rev_attr; 1690 break; 1691 case 30: case 31: case 32: case 33: /* set fg color */ 1692 case 34: case 35: case 36: case 37: 1693 scp->term.attr = (scp->term.attr & 0xF0FF) 1694 | (ansi_col[(n - 30) & 7] << 8); 1695 break; 1696 case 40: case 41: case 42: case 43: /* set bg color */ 1697 case 44: case 45: case 46: case 47: 1698 scp->term.attr = (scp->term.attr & 0x0FFF) 1699 | (ansi_col[(n - 40) & 7] << 12); 1700 break; 1701 } 1702 break; 1703 1704 case 'x': 1705 if (scp->term.n_par == 0) 1706 n = 0; 1707 else 1708 n = scp->term.par[0]; 1709 switch (n) { 1710 case 0: /* reset attributes */ 1711 scp->term.attr = scp->term.std_attr = 1712 current_default->std_attr; 1713 scp->term.rev_attr = current_default->rev_attr; 1714 break; 1715 case 1: /* set ansi background */ 1716 scp->term.attr = scp->term.std_attr = 1717 (scp->term.std_attr & 0x0F00) | 1718 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1719 break; 1720 case 2: /* set ansi foreground */ 1721 scp->term.attr = scp->term.std_attr = 1722 (scp->term.std_attr & 0xF000) | 1723 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1724 break; 1725 case 3: /* set ansi attribute directly */ 1726 scp->term.attr = scp->term.std_attr = 1727 (scp->term.par[1]&0xFF)<<8; 1728 break; 1729 case 5: /* set ansi reverse video background */ 1730 scp->term.rev_attr = 1731 (scp->term.rev_attr & 0x0F00) | 1732 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1733 break; 1734 case 6: /* set ansi reverse video foreground */ 1735 scp->term.rev_attr = 1736 (scp->term.rev_attr & 0xF000) | 1737 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1738 break; 1739 case 7: /* set ansi reverse video directly */ 1740 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1741 break; 1742 } 1743 break; 1744 1745 case 'z': /* switch to (virtual) console n */ 1746 if (scp->term.n_par == 1) 1747 switch_scr(scp->term.par[0]); 1748 break; 1749 } 1750 } 1751 else if (scp->term.esc == 3) { 1752 if (c >= '0' && c <= '9') { 1753 if (scp->term.n_par < MAX_ESC_PAR) { 1754 if (scp->term.last_par != scp->term.n_par) { 1755 scp->term.last_par = scp->term.n_par; 1756 scp->term.par[scp->term.n_par] = 0; 1757 } 1758 else 1759 scp->term.par[scp->term.n_par] *= 10; 1760 scp->term.par[scp->term.n_par] += c - '0'; 1761 return; 1762 } 1763 } 1764 scp->term.n_par = scp->term.last_par + 1; 1765 switch (c) { 1766 1767 case ';': 1768 if (scp->term.n_par < MAX_ESC_PAR) 1769 return; 1770 break; 1771 1772 case 'A': /* set display border color */ 1773 if (scp->term.n_par == 1) 1774 scp->border=scp->term.par[0] & 0xff; 1775 if (scp == cur_console) 1776 set_border(scp->border); 1777 break; 1778 1779 case 'B': /* set bell pitch and duration */ 1780 if (scp->term.n_par == 2) { 1781 scp->bell_pitch = scp->term.par[0]; 1782 scp->bell_duration = scp->term.par[1]*10; 1783 } 1784 break; 1785 1786 case 'C': /* set cursor shape (start & end line) */ 1787 if (scp->term.n_par == 2) { 1788 scp->cursor_start = scp->term.par[0] & 0x1F; 1789 scp->cursor_end = scp->term.par[1] & 0x1F; 1790 if (scp == cur_console) 1791 cursor_shape(scp->cursor_start, 1792 scp->cursor_end); 1793 } 1794 break; 1795 1796 case 'F': /* set ansi foreground */ 1797 if (scp->term.n_par == 1) 1798 scp->term.attr = scp->term.std_attr = 1799 (scp->term.std_attr & 0xF000) 1800 | ((scp->term.par[0] & 0x0F) << 8); 1801 break; 1802 1803 case 'G': /* set ansi background */ 1804 if (scp->term.n_par == 1) 1805 scp->term.attr = scp->term.std_attr = 1806 (scp->term.std_attr & 0x0F00) 1807 | ((scp->term.par[0] & 0x0F) << 12); 1808 break; 1809 1810 case 'H': /* set ansi reverse video foreground */ 1811 if (scp->term.n_par == 1) 1812 scp->term.rev_attr = 1813 (scp->term.rev_attr & 0xF000) 1814 | ((scp->term.par[0] & 0x0F) << 8); 1815 break; 1816 1817 case 'I': /* set ansi reverse video background */ 1818 if (scp->term.n_par == 1) 1819 scp->term.rev_attr = 1820 (scp->term.rev_attr & 0x0F00) 1821 | ((scp->term.par[0] & 0x0F) << 12); 1822 break; 1823 } 1824 } 1825 scp->term.esc = 0; 1826} 1827 1828 1829static void ansi_put(scr_stat *scp, u_char c) 1830{ 1831 if (scp->status & UNKNOWN_MODE) 1832 return; 1833 1834 /* make screensaver happy */ 1835 if (scp == cur_console) { 1836 scrn_time_stamp = time.tv_sec; 1837 if (scrn_blanked) 1838 scrn_saver(0); 1839 } 1840 in_putc++; 1841 if (scp->term.esc) 1842 scan_esc(scp, c); 1843 else switch(c) { 1844 case 0x1B: /* start escape sequence */ 1845 scp->term.esc = 1; 1846 scp->term.n_par = 0; 1847 break; 1848 case 0x07: 1849 if (scp == cur_console) 1850 sysbeep(scp->bell_pitch, scp->bell_duration); 1851 break; 1852 case '\t': /* non-destructive tab */ 1853 scp->crtat += (8 - scp->posx % 8); 1854 scp->posx += (8 - scp->posx % 8); 1855 break; 1856 case '\b': /* non-destructive backspace */ 1857 if (scp->crtat > scp->crt_base) { 1858 scp->crtat--; 1859 if (scp->posx > 0) 1860 scp->posx--; 1861 else { 1862 scp->posx += scp->max_posx - 1; 1863 scp->posy--; 1864 } 1865 } 1866 break; 1867 case '\r': /* return to pos 0 */ 1868 move_crsr(scp, 0, scp->posy); 1869 break; 1870 case '\n': /* newline, same pos */ 1871 scp->crtat += scp->max_posx; 1872 scp->posy++; 1873 break; 1874 case '\f': /* form feed, clears screen */ 1875 clear_screen(scp); 1876 break; 1877 default: 1878 /* Print only printables */ 1879 *scp->crtat = (scp->term.attr | scr_map[c]); 1880 scp->crtat++; 1881 if (++scp->posx >= scp->max_posx) { 1882 scp->posx = 0; 1883 scp->posy++; 1884 } 1885 break; 1886 } 1887 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1888 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1889 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1890 fillw(scp->term.attr | scr_map[0x20], 1891 scp->crt_base + scp->max_posx * (scp->max_posy - 1), 1892 scp->max_posx); 1893 scp->crtat -= scp->max_posx; 1894 scp->posy--; 1895 } 1896 in_putc--; 1897 if (nx_scr) 1898 switch_scr(nx_scr - 1); 1899} 1900 1901static void scinit(void) 1902{ 1903 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1904 unsigned cursorat; 1905 int i; 1906 1907 /* 1908 * catch that once in a blue moon occurence when scinit is called 1909 * TWICE, adding the CGA_BUF offset again -> poooff 1910 */ 1911 if (crtat != 0) 1912 return; 1913 /* 1914 * Crtat initialized to point to MONO buffer, if not present change 1915 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1916 * in the remapped offset at the right time 1917 */ 1918 was = *cp; 1919 *cp = (u_short) 0xA55A; 1920 if (*cp != 0xA55A) { 1921 crtc_addr = MONO_BASE; 1922 } else { 1923 *cp = was; 1924 crtc_addr = COLOR_BASE; 1925 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1926 } 1927 1928 /* Extract cursor location */ 1929 outb(crtc_addr,14); 1930 cursorat = inb(crtc_addr+1)<<8 ; 1931 outb(crtc_addr,15); 1932 cursorat |= inb(crtc_addr+1); 1933 crtat = Crtat + cursorat; 1934 1935 /* is this a VGA or higher ? */ 1936 outb(crtc_addr, 7); 1937 if (inb(crtc_addr) == 7) 1938 crtc_vga = 1; 1939 1940 current_default = &user_default; 1941 console[0].crtat = crtat; 1942 console[0].crt_base = Crtat; 1943 console[0].term.esc = 0; 1944 console[0].term.std_attr = current_default->std_attr; 1945 console[0].term.rev_attr = current_default->rev_attr; 1946 console[0].term.attr = current_default->std_attr; 1947 console[0].posx = cursorat % COL; 1948 console[0].posy = cursorat / COL; 1949 console[0].border = BG_BLACK;; 1950 console[0].max_posx = COL; 1951 console[0].max_posy = ROW; 1952 console[0].status = 0; 1953 console[0].pid = 0; 1954 console[0].proc = NULL; 1955 console[0].smode.mode = VT_AUTO; 1956 console[0].bell_pitch = BELL_PITCH; 1957 console[0].bell_duration = BELL_DURATION; 1958 kernel_console.esc = 0; 1959 kernel_console.std_attr = kernel_default.std_attr; 1960 kernel_console.rev_attr = kernel_default.rev_attr; 1961 kernel_console.attr = kernel_default.std_attr; 1962 /* initialize mapscrn array to */ 1963 for (i=0; i<sizeof(scr_map); i++) 1964 scr_map[i] = i; 1965 clear_screen(&console[0]); 1966} 1967 1968 1969static void sput(u_char c) 1970{ 1971 scr_stat *scp = &console[0]; 1972 term_stat save; 1973 1974 if (crtat == 0) 1975 scinit(); 1976 save = scp->term; 1977 scp->term = kernel_console; 1978 current_default = &kernel_default; 1979 ansi_put(scp, c); 1980 kernel_console = scp->term; 1981 current_default = &user_default; 1982 scp->term = save; 1983} 1984 1985 1986static u_char *get_fstr(u_int c, u_int *len) 1987{ 1988 u_int i; 1989 1990 if (!(c & FKEY)) 1991 return(NULL); 1992 i = (c & 0xFF) - F_FN; 1993 if (i > n_fkey_tab) 1994 return(NULL); 1995 *len = fkey_tab[i].len; 1996 return(fkey_tab[i].str); 1997} 1998 1999 2000static void update_leds(int which) 2001{ 2002 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2003 2004 kbd_cmd(KB_SETLEDS); /* LED Command */ 2005 kbd_cmd(xlate_leds[which & LED_MASK]); 2006 kbd_wait(); 2007} 2008 2009 2010static volatile void reset_cpu(void) 2011{ 2012 while (1) { 2013 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 2014 DELAY(4000000); 2015 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 2016 } 2017} 2018 2019 2020/* 2021 * sgetc(noblock) : get a character from the keyboard. 2022 * If noblock = 0 wait until a key is gotten. Otherwise return NOKEY. 2023 */ 2024u_int sgetc(int noblock) 2025{ 2026 u_char val, code, release; 2027 u_int state, action; 2028 struct key_t *key; 2029 static u_char esc_flag = 0, compose = 0; 2030 static u_int chr = 0; 2031 2032next_code: 2033 kbd_wait(); 2034 /* First see if there is something in the keyboard port */ 2035 if (inb(KB_STAT) & KB_BUF_FULL) 2036 val = inb(KB_DATA); 2037 else if (noblock) 2038 return(NOKEY); 2039 else 2040 goto next_code; 2041 2042 if (cur_console->status & KBD_RAW_MODE) 2043 return val; 2044 2045 code = val & 0x7F; 2046 release = val & 0x80; 2047 2048 switch (esc_flag) { 2049 case 0x00: /* normal scancode */ 2050 switch(code) { 2051 case 0x38: /* left alt (compose key) */ 2052 if (release && compose) { 2053 compose = 0; 2054 if (chr > 255) { 2055 sysbeep(BELL_PITCH, BELL_DURATION); 2056 chr = 0; 2057 } 2058 } 2059 else { 2060 if (!compose) { 2061 compose = 1; 2062 chr = 0; 2063 } 2064 } 2065 break; 2066 case 0x60: 2067 case 0x61: 2068 esc_flag = code; 2069 goto next_code; 2070 } 2071 break; 2072 case 0x60: /* 0xE0 prefix */ 2073 esc_flag = 0; 2074 switch (code) { 2075 case 0x1c: /* right enter key */ 2076 code = 0x59; 2077 break; 2078 case 0x1d: /* right ctrl key */ 2079 code = 0x5a; 2080 break; 2081 case 0x35: /* keypad divide key */ 2082 code = 0x5b; 2083 break; 2084 case 0x37: /* print scrn key */ 2085 code = 0x5c; 2086 break; 2087 case 0x38: /* right alt key (alt gr) */ 2088 code = 0x5d; 2089 break; 2090 case 0x47: /* grey home key */ 2091 code = 0x5e; 2092 break; 2093 case 0x48: /* grey up arrow key */ 2094 code = 0x5f; 2095 break; 2096 case 0x49: /* grey page up key */ 2097 code = 0x60; 2098 break; 2099 case 0x4b: /* grey left arrow key */ 2100 code = 0x61; 2101 break; 2102 case 0x4d: /* grey right arrow key */ 2103 code = 0x62; 2104 break; 2105 case 0x4f: /* grey end key */ 2106 code = 0x63; 2107 break; 2108 case 0x50: /* grey down arrow key */ 2109 code = 0x64; 2110 break; 2111 case 0x51: /* grey page down key */ 2112 code = 0x65; 2113 break; 2114 case 0x52: /* grey insert key */ 2115 code = 0x66; 2116 break; 2117 case 0x53: /* grey delete key */ 2118 code = 0x67; 2119 break; 2120 default: /* ignore everything else */ 2121 goto next_code; 2122 } 2123 break; 2124 case 0x61: /* 0xE1 prefix */ 2125 esc_flag = 0; 2126 if (code == 0x1D) 2127 esc_flag = 0x1D; 2128 goto next_code; 2129 /* NOT REACHED */ 2130 case 0x1D: /* pause / break */ 2131 esc_flag = 0; 2132 if (code != 0x45) 2133 goto next_code; 2134 code = 0x68; 2135 break; 2136 } 2137 2138 if (compose) { 2139 switch (code) { 2140 case 0x47: 2141 case 0x48: /* keypad 7,8,9 */ 2142 case 0x49: 2143 if (!release) 2144 chr = (code - 0x40) + chr*10; 2145 goto next_code; 2146 case 0x4b: 2147 case 0x4c: /* keypad 4,5,6 */ 2148 case 0x4d: 2149 if (!release) 2150 chr = (code - 0x47) + chr*10; 2151 goto next_code; 2152 case 0x4f: 2153 case 0x50: /* keypad 1,2,3 */ 2154 case 0x51: 2155 if (!release) 2156 chr = (code - 0x4e) + chr*10; 2157 goto next_code; 2158 case 0x52: /* keypad 0 */ 2159 if (!release) 2160 chr *= 10; 2161 goto next_code; 2162 case 0x38: /* left alt key */ 2163 break; 2164 default: 2165 if (chr) { 2166 compose = chr = 0; 2167 sysbeep(BELL_PITCH, BELL_DURATION); 2168 goto next_code; 2169 } 2170 break; 2171 } 2172 } 2173 2174 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2175 if ((!agrs && (cur_console->status & ALKED)) 2176 || (agrs && !(cur_console->status & ALKED))) 2177 code += ALTGR_OFFSET; 2178 key = &key_map.key[code]; 2179 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2180 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2181 state ^= 1; 2182 2183 /* Check for make/break */ 2184 action = key->map[state]; 2185 if (release) { /* key released */ 2186 if (key->spcl & 0x80) { 2187 switch (action) { 2188 case LSH: 2189 shfts &= ~1; 2190 break; 2191 case RSH: 2192 shfts &= ~2; 2193 break; 2194 case LCTR: 2195 ctls &= ~1; 2196 break; 2197 case RCTR: 2198 ctls &= ~2; 2199 break; 2200 case LALT: 2201 alts &= ~1; 2202 break; 2203 case RALT: 2204 alts &= ~2; 2205 break; 2206 case NLK: 2207 nlkcnt = 0; 2208 break; 2209 case CLK: 2210 clkcnt = 0; 2211 break; 2212 case SLK: 2213 slkcnt = 0; 2214 break; 2215 case ASH: 2216 agrs = 0; 2217 break; 2218 case ALK: 2219 alkcnt = 0; 2220 break; 2221 case META: 2222 metas = 0; 2223 break; 2224 } 2225 } 2226 if (chr && !compose) { 2227 action = chr; 2228 chr = 0; 2229 return (action); 2230 } 2231 } else { 2232 /* key pressed */ 2233 if (key->spcl & (0x80>>state)) { 2234 switch (action) { 2235 /* LOCKING KEYS */ 2236 case NLK: 2237 if (!nlkcnt) { 2238 nlkcnt++; 2239 if (cur_console->status & NLKED) 2240 cur_console->status &= ~NLKED; 2241 else 2242 cur_console->status |= NLKED; 2243 update_leds(cur_console->status & LED_MASK); 2244 } 2245 break; 2246 case CLK: 2247 if (!clkcnt) { 2248 clkcnt++; 2249 if (cur_console->status & CLKED) 2250 cur_console->status &= ~CLKED; 2251 else 2252 cur_console->status |= CLKED; 2253 update_leds(cur_console->status & LED_MASK); 2254 } 2255 break; 2256 case SLK: 2257 if (!slkcnt) { 2258 slkcnt++; 2259 if (cur_console->status & SLKED) { 2260 cur_console->status &= ~SLKED; 2261#if defined(NetBSD) 2262 pcstart(pc_tty[get_scr_num(cur_console)]); 2263#else 2264 pcstart(&pccons[get_scr_num(cur_console)]); 2265#endif 2266 } 2267 else 2268 cur_console->status |= SLKED; 2269 update_leds(cur_console->status & LED_MASK); 2270 } 2271 break; 2272 case ALK: 2273 if (!alkcnt) { 2274 alkcnt++; 2275 if (cur_console->status & ALKED) 2276 cur_console->status &= ~ALKED; 2277 else 2278 cur_console->status |= ALKED; 2279 } 2280 break; 2281 2282 /* NON-LOCKING KEYS */ 2283 case NOP: 2284 break; 2285 case RBT: 2286 cpu_reset(); 2287 break; 2288 case DBG: 2289#if DDB > 0 /* try to switch to console 0 */ 2290 if (cur_console->smode.mode == VT_AUTO && 2291 console[0].smode.mode == VT_AUTO) 2292 switch_scr(0); 2293 Debugger(); 2294 return(NOKEY); 2295#else 2296 printf("No debugger in kernel\n"); 2297#endif 2298 break; 2299 case LSH: 2300 shfts |= 1; 2301 break; 2302 case RSH: 2303 shfts |= 2; 2304 break; 2305 case LCTR: 2306 ctls |= 1; 2307 break; 2308 case RCTR: 2309 ctls |= 2; 2310 break; 2311 case LALT: 2312 alts |= 1; 2313 break; 2314 case RALT: 2315 alts |= 2; 2316 break; 2317 case ASH: 2318 agrs = 1; 2319 break; 2320 case META: 2321 metas = 1; 2322 break; 2323 case NEXT: 2324 switch_scr((get_scr_num(cur_console)+1)%NCONS); 2325 break; 2326 default: 2327 if (action >= F_SCR && action <= L_SCR) { 2328 switch_scr(action - F_SCR); 2329 break; 2330 } 2331 if (action >= F_FN && action <= L_FN) 2332 action |= FKEY; 2333 return(action); 2334 } 2335 } 2336 else { 2337 if (metas) 2338 action |= MKEY; 2339 return(action); 2340 } 2341 } 2342 goto next_code; 2343} 2344 2345 2346int getchar(void) 2347{ 2348 u_char thechar; 2349 int s; 2350 2351 polling = 1; 2352 s = splhigh(); 2353 sput('>'); 2354 thechar = (u_char) sgetc(0); 2355 polling = 0; 2356 splx(s); 2357 switch (thechar) { 2358 default: 2359 if (thechar >= scr_map[0x20]) 2360 sput(thechar); 2361 return(thechar); 2362 case cr: 2363 case lf: 2364 sput(cr); sput(lf); 2365 return(lf); 2366 case bs: 2367 case del: 2368 sput(bs); sput(scr_map[0x20]); sput(bs); 2369 return(thechar); 2370 case cntld: 2371 sput('^'); sput('D'); sput('\r'); sput('\n'); 2372 return(0); 2373 } 2374} 2375 2376 2377int pcmmap(dev_t dev, int offset, int nprot) 2378{ 2379 if (offset > 0x20000) 2380 return EINVAL; 2381 return i386_btop((VIDEOMEM + offset)); 2382} 2383 2384 2385static void kbd_wait(void) 2386{ 2387 int i; 2388 for (i=0; i<10000; i++) 2389 if ((inb(KB_STAT) & KB_READY) == 0) 2390 break; 2391} 2392 2393 2394static void kbd_cmd(u_char command) 2395{ 2396 kbd_wait(); 2397 outb(KB_DATA, command); 2398} 2399 2400 2401static void set_mode(scr_stat *scp) 2402{ 2403 u_char byte; 2404 int s; 2405 2406 if (scp != cur_console) 2407 return; 2408 2409 /* (re)activate cursor */ 2410 untimeout((timeout_t)cursor_pos, 0); 2411 cursor_pos(); 2412 2413 /* change cursor type if set */ 2414 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2415 cursor_shape(scp->cursor_start, scp->cursor_end); 2416 2417 /* mode change only on VGA's */ 2418 if (!crtc_vga) 2419 return; 2420 2421 /* setup video hardware for the given mode */ 2422 s = splhigh(); 2423 switch(scp->mode) { 2424 case TEXT80x25: 2425 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2426 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2427 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2428 break; 2429 case TEXT80x50: 2430 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2431 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2432 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2433 break; 2434 default: 2435 break; 2436 } 2437 splx(s); 2438 2439 /* set border color for this (virtual) console */ 2440 set_border(scp->border); 2441 return; 2442} 2443 2444 2445static void set_border(int color) 2446{ 2447 inb(crtc_addr+6); /* reset flip-flop */ 2448 outb(ATC, 0x11); outb(ATC, color); 2449 inb(crtc_addr+6); /* reset flip-flop */ 2450 outb(ATC, 0x20); /* enable Palette */ 2451} 2452 2453static void load_font(int segment, int size, char* font) 2454{ 2455 int ch, line, s; 2456 u_char val; 2457 2458 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2459 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2460 2461 /* setup vga for loading fonts (graphics plane mode) */ 2462 s = splhigh(); 2463 inb(crtc_addr+6); /* reset flip/flop */ 2464 outb(ATC, 0x30); outb(ATC, 0x01); 2465 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2466 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2467 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2468 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2469 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2470 splx(s); 2471 for (ch=0; ch < 256; ch++) 2472 for (line=0; line < size; line++) 2473 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2474 font[(ch*size)+line]; 2475 /* setup vga for text mode again */ 2476 s = splhigh(); 2477 inb(crtc_addr+6); /* reset flip/flop */ 2478 outb(ATC, 0x30); outb(ATC, 0x0C); 2479 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2480 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2481 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2482 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2483 if (crtc_addr == MONO_BASE) { 2484 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2485 } 2486 else { 2487 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2488 } 2489 splx(s); 2490 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2491 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2492} 2493 2494 2495static void load_palette(void) 2496{ 2497 int i; 2498 2499 outb(PIXMASK, 0xFF); /* no pixelmask */ 2500 outb(PALWADR, 0x00); 2501 for (i=0x00; i<0x300; i++) 2502 outb(PALDATA, palette[i]); 2503 inb(crtc_addr+6); /* reset flip/flop */ 2504 outb(ATC, 0x20); /* enable palette */ 2505} 2506 2507static void save_palette(void) 2508{ 2509 int i; 2510 2511 outb(PALRADR, 0x00); 2512 for (i=0x00; i<0x300; i++) 2513 palette[i] = inb(PALDATA); 2514 inb(crtc_addr+6); /* reset flip/flop */ 2515} 2516 2517 2518static void change_winsize(struct tty *tp, int x, int y) 2519{ 2520 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2521 tp->t_winsize.ws_col = x; 2522 tp->t_winsize.ws_row = y; 2523 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2524 } 2525} 2526 2527#endif /* NSC */ 2528