syscons.c revision 627
178189Sbrian/*- 278189Sbrian * Copyright (c) 1990 The Regents of the University of California. 378189Sbrian * All rights reserved. 478189Sbrian * 578189Sbrian * This code is derived from software contributed to Berkeley by 613389Sphk * William Jolitz and Don Ahn. 778189Sbrian * 878189Sbrian * Redistribution and use in source and binary forms, with or without 978189Sbrian * modification, are permitted provided that the following conditions 1078189Sbrian * are met: 1178189Sbrian * 1. Redistributions of source code must retain the above copyright 1278189Sbrian * notice, this list of conditions and the following disclaimer. 1378189Sbrian * 2. Redistributions in binary form must reproduce the above copyright 1478189Sbrian * notice, this list of conditions and the following disclaimer in the 1513389Sphk * documentation and/or other materials provided with the distribution. 1678189Sbrian * 3. All advertising materials mentioning features or use of this software 1778189Sbrian * must display the following acknowledgement: 1878189Sbrian * This product includes software developed by the University of 1978189Sbrian * California, Berkeley and its contributors. 2078189Sbrian * 4. Neither the name of the University nor the names of its contributors 2178189Sbrian * may be used to endorse or promote products derived from this software 2278189Sbrian * without specific prior written permission. 2378189Sbrian * 2478189Sbrian * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2578189Sbrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2678189Sbrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2713389Sphk * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2850479Speter * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2913389Sphk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3013389Sphk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3136285Sbrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3236285Sbrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3336285Sbrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3436285Sbrian * SUCH DAMAGE. 3536285Sbrian * 3646686Sbrian * from: @(#)pccons.c 5.11 (Berkeley) 5/21/91 3781634Sbrian * from: @(#)syscons.c 1.0 930928 3881634Sbrian * $Id: syscons.c,v 1.13 1993/10/16 13:46:23 rgrimes Exp $ 3981634Sbrian * 4081634Sbrian * Heavily modified by S�ren Schmidt (sos@login.dkuug.dk) to provide: 4181634Sbrian * 4281634Sbrian * virtual consoles, SYSV ioctl's, ANSI emulation 4381634Sbrian */ 4481634Sbrian 45#define STAR_SAVER 46/* #define FAT_CURSOR /* This breaks on some CGA displays */ 47 48#include "param.h" 49#include "conf.h" 50#include "ioctl.h" 51#include "proc.h" 52#include "user.h" 53#include "tty.h" 54#include "uio.h" 55#include "callout.h" 56#include "systm.h" 57#include "kernel.h" 58#include "syslog.h" 59#include "errno.h" 60#include "machine/console.h" 61#include "malloc.h" 62#include "i386/isa/icu.h" 63#include "i386/isa/isa.h" 64#include "i386/isa/isa_device.h" 65#include "machine/pc/display.h" 66#include "i386/i386/cons.h" 67#include "machine/psl.h" 68#include "machine/frame.h" 69#include "sc.h" 70#include "ddb.h" 71#include "iso8859.font" 72#include "kbdtables.h" 73 74#if NSC > 0 75#ifndef NCONS 76#define NCONS 12 77#endif 78 79/* status flags */ 80#define LOCK_KEY_MASK 0x0000F 81#define LED_MASK 0x00007 82#define UNKNOWN_MODE 0x00010 83#define KBD_RAW_MODE 0x00020 84#define SWITCH_WAIT_REL 0x00040 85#define SWITCH_WAIT_ACQ 0x00080 86 87/* virtual video memory addresses */ 88#define MONO_BUF (KERNBASE + 0xB0000) 89#define CGA_BUF (KERNBASE + 0xB8000) 90#define VGA_BUF (KERNBASE + 0xA0000) 91#define VIDEOMEM 0x000A0000 92#define MEMSIZE 0x00020000 93 94/* misc defines */ 95#define MAX_ESC_PAR 3 96#define TEXT80x25 1 97#define TEXT80x50 2 98#define COL 80 99#define ROW 25 100#ifndef XTALSPEED 101#define XTALSPEED 1193182 /* should be in isa.h */ 102#endif 103 104/* defines related to hardware addresses */ 105#define MONO_BASE 0x3B4 /* crt controller base mono */ 106#define COLOR_BASE 0x3D4 /* crt controller base color */ 107#define ATC IO_VGA+0x00 /* attribute controller */ 108#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 109#define TSREG IO_VGA+0x05 /* timing sequencer data */ 110#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 111#define PALRADR IO_VGA+0x07 /* palette read address */ 112#define PALWADR IO_VGA+0x08 /* palette write address */ 113#define PALDATA IO_VGA+0x09 /* palette data register */ 114#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 115#define GDCREG IO_VGA+0x0F /* graph data controller data */ 116 117typedef struct term_stat { 118 int esc; /* processing escape sequence */ 119 int n_par; /* # of parameters to ESC */ 120 int last_par; /* last parameter # */ 121 int par[MAX_ESC_PAR]; /* contains ESC parameters */ 122 int attr; /* current attributes */ 123 int std_attr; /* normal attributes */ 124 int rev_attr; /* reverse attributes */ 125} term_stat; 126 127typedef struct scr_stat { 128 u_short *crt_base; /* address of screen memory */ 129 u_short *scr; /* buffer when off screen */ 130 u_short *crtat; /* cursor address */ 131 int posx; /* current X position */ 132 int posy; /* current Y position */ 133 int max_posx; /* X size */ 134 int max_posy; /* X size */ 135 term_stat term; /* terminal emulation stuff */ 136 char cursor_start; /* cursor start line # */ 137 char cursor_end; /* cursor start end # */ 138 u_char border; /* border color */ 139 u_short bell_duration; 140 u_short bell_pitch; 141 u_short status; /* status (bitfield) */ 142 u_short mode; /* mode */ 143 pid_t pid; /* pid of controlling proc */ 144 struct proc *proc; /* proc* of controlling proc */ 145 struct vt_mode smode; /* switch mode */ 146} scr_stat; 147 148typedef struct default_attr { 149 int std_attr; /* normal attributes */ 150 int rev_attr; /* reverse attributes */ 151} default_attr; 152 153static default_attr user_default = { 154 (FG_LIGHTGREY | BG_BLACK) << 8, 155 (FG_BLACK | BG_LIGHTGREY) << 8 156}; 157 158static default_attr kernel_default = { 159 (FG_WHITE | BG_BLACK) << 8, 160 (FG_BLACK | BG_LIGHTGREY) << 8 161}; 162 163static default_attr *current_default; 164 165static scr_stat cons_scr_stat[NCONS]; 166static scr_stat *cur_scr_stat = &cons_scr_stat[0]; 167static scr_stat *new_scp, *old_scp; 168static term_stat kernel_console; 169static int switch_in_progress = 0; 170 171u_short *Crtat = (u_short *)MONO_BUF; 172static u_short *crtat = 0; 173static u_int crtc_addr = MONO_BASE; 174static char crtc_vga = 0; 175static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0; 176static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 177static char palette[3*256]; 178static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 179static int cur_cursor_pos = -1; 180static char in_putc, nx_scr; 181static char saved_console = -1; /* saved console number */ 182static long scrn_blank_time = 0; /* screen saver timout value */ 183static int scrn_blanked = 0; /* screen saver active flag */ 184static long scrn_time_stamp; 185static u_char scr_map[256]; 186 187struct tty pccons[NCONS]; 188struct tty *cur_pccons = &pccons[0]; 189struct tty *new_pccons; 190 191extern int hz; 192extern struct timeval time; 193 194#define CSF_ACTIVE 0x1 /* timeout active */ 195#define CSF_POLLING 0x2 /* polling for input */ 196 197struct pcconsoftc { 198 char cs_flags; 199 char cs_lastc; /* last char sent */ 200 int cs_timo; /* timeouts since interrupt */ 201 u_long cs_wedgecnt; /* times restarted */ 202} pcconsoftc = {0, 0, 0, 0}; 203 204 205/* special characters */ 206#define bs 8 207#define lf 10 208#define cr 13 209#define cntlc 3 210#define del 0177 211#define cntld 4 212 213/* function prototypes */ 214int pcprobe(struct isa_device *dev); 215int pcattach(struct isa_device *dev); 216int pcopen(dev_t dev, int flag, int mode, struct proc *p); 217int pcclose(dev_t dev, int flag, int mode, struct proc *p); 218int pcread(dev_t dev, struct uio *uio, int flag); 219int pcwrite(dev_t dev, struct uio *uio, int flag); 220int pcparam(struct tty *tp, struct termios *t); 221int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 222int pcxint(dev_t dev); 223int pcstart(struct tty *tp); 224int pccnprobe(struct consdev *cp); 225int pccninit(struct consdev *cp); 226int pccnputc(dev_t dev, char c); 227int pccngetc(dev_t dev); 228int scintr(dev_t dev, int irq, int cpl); 229void scrn_saver(int test); 230static struct tty *get_pccons(dev_t dev); 231static scr_stat *get_scr_stat(dev_t dev); 232static int get_scr_num(scr_stat *scp); 233static void cursor_shape(int start, int end); 234static void get_cursor_shape(int *start, int *end); 235static void cursor_pos(void); 236static void clear_screen(scr_stat *scp); 237static switch_scr(u_int next_scr); 238static void exchange_scr(void); 239static void move_crsr(scr_stat *scp, int x, int y); 240static void move_up(u_short *s, u_short *d, u_int len); 241static void move_down(u_short *s, u_short *d, u_int len); 242static void scan_esc(scr_stat *scp, u_char c); 243static void ansi_put(scr_stat *scp, u_char c); 244void consinit(void); 245static void sput(u_char c); 246static u_char *get_fstr(u_int c, u_int *len); 247static update_leds(int which); 248void reset_cpu(void); 249u_int sgetc(int noblock); 250int pcmmap(dev_t dev, int offset, int nprot); 251int getchar(void); 252static void kbd_wait(void); 253static void kbd_cmd(u_char command); 254static void set_mode(scr_stat *scp); 255static void set_border(int color); 256static load_font(int segment, int size, char* font); 257static void save_palette(void); 258static void load_palette(void); 259static change_winsize(struct tty *tp, int x, int y); 260 261struct isa_driver scdriver = { 262 pcprobe, pcattach, "sc", 263}; 264 265 266int pcprobe(struct isa_device *dev) 267{ 268 u_char c; 269 int again = 0; 270 271 /* Enable interrupts and keyboard controller */ 272 kbd_wait(); 273 outb(KB_STAT, KB_WRITE); 274 kbd_cmd(0x4D); 275 276 /* Start keyboard stuff RESET */ 277 kbd_cmd(KB_RESET); 278 while ((c=inb(KB_DATA)) != KB_ACK) { 279 if ((c == 0xFE) || (c == 0xFF)) { 280 if (!again) 281 printf("KEYBOARD disconnected: RECONNECT \n"); 282 kbd_cmd(KB_RESET); 283 again = 1; 284 } 285 } 286 kbd_wait(); 287 return (IO_KBDSIZE); 288} 289 290 291int pcattach(struct isa_device *dev) 292{ 293 scr_stat *scp; 294 int start = -1, end = -1, i; 295 296 if (crtc_vga) 297 if (crtc_addr == MONO_BASE) 298 printf("VGA mono"); 299 else 300 printf("VGA color"); 301 else 302 if (crtc_addr == MONO_BASE) 303 printf("MDA/hercules"); 304 else 305 printf("CGA/EGA"); 306 307 if (NCONS > 1) 308 printf(" <%d virtual consoles>\n", NCONS); 309 else 310 printf("\n"); 311#ifdef FAT_CURSOR 312 start = 0; 313 end = 18; 314#endif 315 if (crtc_vga) { 316#ifndef FAT_CURSOR 317 get_cursor_shape(&start, &end); 318#endif 319 save_palette(); 320 load_font(0, 16, font_8x16); 321 load_font(1, 8, font_8x8); 322 load_font(2, 14, font_8x14); 323 } 324 current_default = &user_default; 325 for (i = 0; i < NCONS; i++) { 326 scp = &cons_scr_stat[i]; 327 scp->scr = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); 328 scp->mode = TEXT80x25; 329 scp->term.esc = 0; 330 scp->term.std_attr = current_default->std_attr; 331 scp->term.rev_attr = current_default->rev_attr; 332 scp->term.attr = scp->term.std_attr; 333 scp->border = BG_BLACK; 334 scp->cursor_start = start; 335 scp->cursor_end = end; 336 scp->max_posx = COL; 337 scp->max_posy = ROW; 338 scp->bell_pitch = 800; 339 scp->bell_duration = 10; 340 scp->status = 0; 341 scp->pid = 0; 342 scp->proc = NULL; 343 scp->smode.mode = VT_AUTO; 344 if (i > 0) { 345 scp->crt_base = scp->crtat = scp->scr; 346 fillw(scp->term.attr|scr_map[0x20], scp->scr, COL*ROW); 347 } 348 } 349 /* get cursor going */ 350#ifdef FAT_CURSOR 351 cursor_shape(cons_scr_stat[0].cursor_start, 352 cons_scr_stat[0].cursor_end); 353#endif 354 cursor_pos(); 355} 356 357 358static struct tty *get_pccons(dev_t dev) 359{ 360 int i = minor(dev); 361 362 if (i >= NCONS) 363 return(NULL); 364 return(&pccons[i]); 365} 366 367 368static scr_stat *get_scr_stat(dev_t dev) 369{ 370 int i = minor(dev); 371 372 if (i >= NCONS) 373 return(NULL); 374 return(&cons_scr_stat[i]); 375} 376 377 378static int get_scr_num(scr_stat *scp) /* allways call with legal scp !! */ 379{ 380 int i = 0; 381 382 while ((i < NCONS) && (cur_scr_stat != &cons_scr_stat[i])) i++; 383 return i; 384} 385 386pcopen(dev_t dev, int flag, int mode, struct proc *p) 387{ 388 struct tty *tp = get_pccons(dev); 389 390 if (!tp) 391 return(ENXIO); 392 tp->t_oproc = pcstart; 393 tp->t_param = pcparam; 394 tp->t_dev = dev; 395 if ((tp->t_state & TS_ISOPEN) == 0) { 396 tp->t_state |= TS_WOPEN; 397 ttychars(tp); 398 tp->t_iflag = TTYDEF_IFLAG; 399 tp->t_oflag = TTYDEF_OFLAG; 400 tp->t_cflag = TTYDEF_CFLAG; 401 tp->t_lflag = TTYDEF_LFLAG; 402 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 403 pcparam(tp, &tp->t_termios); 404 ttsetwater(tp); 405 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 406 return(EBUSY); 407 tp->t_state |= TS_CARR_ON; 408 return((*linesw[tp->t_line].l_open)(dev, tp)); 409} 410 411 412pcclose(dev_t dev, int flag, int mode, struct proc *p) 413{ 414 struct tty *tp = get_pccons(dev); 415 struct scr_stat *scp; 416 417 if (!tp) 418 return(ENXIO); 419 scp = get_scr_stat(tp->t_dev); 420 scp->pid = 0; 421 scp->proc = NULL; 422 scp->smode.mode = VT_AUTO; 423 (*linesw[tp->t_line].l_close)(tp, flag); 424 ttyclose(tp); 425 return(0); 426} 427 428 429pcread(dev_t dev, struct uio *uio, int flag) 430{ 431 struct tty *tp = get_pccons(dev); 432 433 if (!tp) 434 return(ENXIO); 435 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 436} 437 438 439pcwrite(dev_t dev, struct uio *uio, int flag) 440{ 441 struct tty *tp = get_pccons(dev); 442 443 if (!tp) 444 return(ENXIO); 445 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 446} 447 448 449/* 450 * Got a console interrupt, keyboard action ! 451 * Catch the character, and see who it goes to. 452 */ 453scintr(dev_t dev, int irq, int cpl) 454{ 455 int c, len; 456 u_char *cp; 457 458 /* make screensaver happy */ 459 scrn_time_stamp = time.tv_sec; 460 if (scrn_blanked) 461 scrn_saver(0); 462 c = sgetc(1); 463 if (c & 0x100) 464 return; 465 if ((cur_pccons->t_state & TS_ISOPEN) == 0) 466 return; 467 if (pcconsoftc.cs_flags & CSF_POLLING) 468 return; 469 if (c < 0x100) 470 (*linesw[cur_pccons->t_line].l_rint)(c & 0xFF, cur_pccons); 471 else if (cp = get_fstr((u_int)c, (u_int *)&len)) { 472 while (len-- > 0) 473 (*linesw[cur_pccons->t_line].l_rint) 474 (*cp++ & 0xFF, cur_pccons); 475 } 476} 477 478 479/* 480 * Set line parameters 481 */ 482pcparam(struct tty *tp, struct termios *t) 483{ 484 int cflag = t->c_cflag; 485 486 /* and copy to tty */ 487 tp->t_ispeed = t->c_ispeed; 488 tp->t_ospeed = t->c_ospeed; 489 tp->t_cflag = cflag; 490 return(0); 491} 492 493 494pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 495{ 496 int i, error; 497 struct tty *tp; 498 struct syscframe *fp; 499 scr_stat *scp; 500 501 tp = get_pccons(dev); 502 if (!tp) 503 return ENXIO; 504 scp = get_scr_stat(tp->t_dev); 505 506 switch (cmd) { /* process console hardware related ioctl's */ 507 508 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 509 scrn_blank_time = *(int*)data; 510 return 0; 511 512 case CONS_80x25TEXT: /* set 80x25 text mode */ 513 if (!crtc_vga) 514 return ENXIO; 515 scp->mode = TEXT80x25; 516 scp->max_posy = 25; 517 free(scp->scr, M_DEVBUF); 518 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 519 M_DEVBUF, M_NOWAIT); 520 if (scp != cur_scr_stat) 521 scp->crt_base = scp->scr; 522 set_mode(scp); 523 clear_screen(scp); 524 change_winsize(tp, scp->max_posx, scp->max_posy); 525 return 0; 526 527 case CONS_80x50TEXT: /* set 80x50 text mode */ 528 if (!crtc_vga) 529 return ENXIO; 530 scp->mode = TEXT80x50; 531 scp->max_posy = 50; 532 free(scp->scr, M_DEVBUF); 533 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 534 M_DEVBUF, M_NOWAIT); 535 if (scp != cur_scr_stat) 536 scp->crt_base = scp->scr; 537 set_mode(scp); 538 clear_screen(scp); 539 change_winsize(tp, scp->max_posx, scp->max_posy); 540 return 0; 541 542 case CONS_GETVERS: /* get version number */ 543 *(int*)data = 0x100; /* version 1.0 */ 544 return 0; 545 546 case CONS_GETINFO: /* get current (virtual) console info */ 547 if (*data == sizeof(struct vid_info)) { 548 vid_info_t *ptr = (vid_info_t*)data; 549 ptr->m_num = get_scr_num(scp); 550 ptr->mv_col = scp->posx; 551 ptr->mv_row = scp->posy; 552 ptr->mv_csz = scp->max_posx; 553 ptr->mv_rsz = scp->max_posy; 554 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 555 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 556 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 557 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 558 ptr->mv_grfc.fore = 0; /* not supported */ 559 ptr->mv_grfc.back = 0; /* not supported */ 560 ptr->mv_ovscan = scp->border; 561 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 562 return 0; 563 } 564 return EINVAL; 565 566 case VT_SETMODE: /* set screen switcher mode */ 567 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 568 if (scp->smode.mode == VT_PROCESS) { 569 scp->proc = p; 570 scp->pid = scp->proc->p_pid; 571 } 572 return 0; 573 574 case VT_GETMODE: /* get screen switcher mode */ 575 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 576 return 0; 577 578 case VT_RELDISP: /* screen switcher ioctl */ 579 switch(*data) { 580 case VT_FALSE: /* user refuses to release screen, abort */ 581 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 582 old_scp->status &= ~SWITCH_WAIT_REL; 583 switch_in_progress = 0; 584 return 0; 585 } 586 return EINVAL; 587 588 case VT_TRUE: /* user has released screen, go on */ 589 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 590 scp->status &= ~SWITCH_WAIT_REL; 591 exchange_scr(); 592 if (new_scp->smode.mode == VT_PROCESS) { 593 new_scp->status |= SWITCH_WAIT_ACQ; 594 psignal(new_scp->proc, 595 new_scp->smode.acqsig); 596 } 597 else 598 switch_in_progress = 0; 599 return 0; 600 } 601 return EINVAL; 602 603 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 604 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 605 scp->status &= ~SWITCH_WAIT_ACQ; 606 switch_in_progress = 0; 607 return 0; 608 } 609 return EINVAL; 610 611 default: 612 return EINVAL; 613 } 614 /* NOT REACHED */ 615 616 case VT_OPENQRY: /* return free virtual console */ 617 for (i = 0; i < NCONS; i++) 618 if (!(pccons[i].t_state & TS_ISOPEN)) { 619 *data = i + 1; 620 return 0; 621 } 622 return EINVAL; 623 /* NOT REACHED */ 624 625 case VT_GETACTIVE: /* return number of active virtual console */ 626 *data = get_scr_num(scp) + 1; 627 return 0; 628 629 case VT_ACTIVATE: /* switch to screen *data */ 630 return switch_scr((*data) - 1); 631 632 case VT_WAITACTIVE: /* wait for switch to occur */ 633 if (*data > NCONS) 634 return EINVAL; 635 if (minor(dev) == (*data) - 1) 636 return 0; 637 if (*data == 0) { 638 if (scp == cur_scr_stat) 639 return 0; 640 while ((error=tsleep(&scp->smode, 641 PZERO|PCATCH, "waitvt", 0)) 642 == ERESTART) ; 643 } 644 else 645 while ((error=tsleep(&cons_scr_stat[*data].smode, 646 PZERO|PCATCH, "waitvt", 0)) 647 == ERESTART) ; 648 return error; 649 650 case KDENABIO: /* allow io operations */ 651 fp = (struct syscframe *)p->p_regs; 652 fp->sf_eflags |= PSL_IOPL; 653 return 0; 654 655 case KDDISABIO: /* disallow io operations (default) */ 656 fp = (struct syscframe *)p->p_regs; 657 fp->sf_eflags &= ~PSL_IOPL; 658 return 0; 659 660 case KDSETMODE: /* set current mode of this (virtual) console */ 661 switch (*data) { 662 case KD_TEXT: /* switch to TEXT (known) mode */ 663 /* restore fonts & palette ! */ 664 if (crtc_vga) { 665 load_font(0, 16, font_8x16); 666 load_font(1, 8, font_8x8); 667 load_font(2, 14, font_8x14); 668 load_palette(); 669 } 670 /* FALL THROUGH */ 671 672 case KD_TEXT1: /* switch to TEXT (known) mode */ 673 /* no restore fonts & palette */ 674 scp->status &= ~UNKNOWN_MODE; 675 set_mode(scp); 676 clear_screen(scp); 677 return 0; 678 679 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 680 scp->status |= UNKNOWN_MODE; 681 return 0; 682 default: 683 return EINVAL; 684 } 685 /* NOT REACHED */ 686 687 case KDGETMODE: /* get current mode of this (virtual) console */ 688 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 689 return 0; 690 691 case KDSBORDER: /* set border color of this (virtual) console */ 692 if (!crtc_vga) 693 return ENXIO; 694 scp->border = *data; 695 if (scp == cur_scr_stat) 696 set_border(scp->border); 697 return 0; 698 699 case KDSKBSTATE: /* set keyboard state (locks) */ 700 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 701 scp->status &= ~LOCK_KEY_MASK; 702 scp->status |= *data; 703 if (scp == cur_scr_stat) 704 update_leds(scp->status & LED_MASK); 705 return 0; 706 } 707 return EINVAL; 708 709 case KDGKBSTATE: /* get keyboard state (locks) */ 710 *data = scp->status & LOCK_KEY_MASK; 711 return 0; 712 713 case KDSETRAD: /* set keyboard repeat & delay rates */ 714 if (*(u_char*)data < 0x80) { 715 kbd_cmd(KB_SETRAD); 716 kbd_cmd(*data & 0x7f); 717 return 0; 718 } 719 return EINVAL; 720 721 case KDSKBMODE: /* set keyboard mode */ 722 switch (*data) { 723 case K_RAW: /* switch to RAW scancode mode */ 724 scp->status |= KBD_RAW_MODE; 725 return 0; 726 727 case K_XLATE: /* switch to XLT ascii mode */ 728 scp->status &= ~KBD_RAW_MODE; 729 return 0; 730 default: 731 return EINVAL; 732 } 733 /* NOT REACHED */ 734 735 case KDGKBMODE: /* get keyboard mode */ 736 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 737 return 0; 738 739 case KDMKTONE: /* sound the bell */ 740 if (scp == cur_scr_stat) 741 sysbeep(scp->bell_pitch, scp->bell_duration); 742 return 0; 743 744 case KIOCSOUND: /* make tone (*data) hz */ 745 if (scp == cur_scr_stat) { 746 if (*(int*)data) { 747 int pitch = XTALSPEED/(*(int*)data); 748 /* enable counter 2 */ 749 outb(0x61, inb(0x61) | 3); 750 /* set command for counter 2, 2 byte write */ 751 outb(0x43, 0xb6); 752 /* set pitch */ 753 outb(0x42, pitch); 754 outb(0x42, (pitch>>8)); 755 } 756 else { 757 /* disable counter 2 */ 758 outb(0x61, inb(0x61) & 0xFC); 759 } 760 } 761 return 0; 762 763 case KDGKBTYPE: /* get keyboard type */ 764 *data = 0; /* type not known (yet) */ 765 return 0; 766 767 case KDSETLED: /* set keyboard LED status */ 768 if (*data >= 0 && *data <= LED_MASK) { 769 scp->status &= ~LED_MASK; 770 scp->status |= *data; 771 if (scp == cur_scr_stat) 772 update_leds(scp->status & LED_MASK); 773 return 0; 774 } 775 return EINVAL; 776 777 case KDGETLED: /* get keyboard LED status */ 778 *data = scp->status & LED_MASK; 779 return 0; 780 781 case GETFKEY: /* get functionkey string */ 782 if (*(u_short*)data < n_fkey_tab) { 783 fkeyarg_t *ptr = (fkeyarg_t*)data; 784 bcopy(&fkey_tab[ptr->keynum].str, 785 ptr->keydef, 786 fkey_tab[ptr->keynum].len); 787 ptr->flen = fkey_tab[ptr->keynum].len; 788 return 0; 789 } 790 else 791 return EINVAL; 792 793 case SETFKEY: /* set functionkey string */ 794 if (*(u_short*)data < n_fkey_tab) { 795 fkeyarg_t *ptr = (fkeyarg_t*)data; 796 bcopy(ptr->keydef, 797 &fkey_tab[ptr->keynum].str, 798 min(ptr->flen, MAXFK)); 799 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 800 return 0; 801 } 802 else 803 return EINVAL; 804 805 case GIO_SCRNMAP: /* get output translation table */ 806 bcopy(&scr_map, data, sizeof(scr_map)); 807 return 0; 808 809 case PIO_SCRNMAP: /* set output translation table */ 810 bcopy(data, &scr_map, sizeof(scr_map)); 811 return 0; 812 813 case GIO_KEYMAP: /* get keyboard translation table */ 814 bcopy(&key_map, data, sizeof(key_map)); 815 return 0; 816 817 case PIO_KEYMAP: /* set keyboard translation table */ 818 bcopy(data, &key_map, sizeof(key_map)); 819 return 0; 820 821 case PIO_FONT8x8: /* set 8x8 dot font */ 822 if (!crtc_vga) 823 return ENXIO; 824 bcopy(data, &font_8x8, sizeof(font_8x8)); 825 load_font(1, 8, font_8x8); 826 return 0; 827 828 case GIO_FONT8x8: /* get 8x8 dot font */ 829 if (!crtc_vga) 830 return ENXIO; 831 bcopy(&font_8x8, data, sizeof(font_8x8)); 832 return 0; 833 834 case PIO_FONT8x14: /* set 8x14 dot font */ 835 if (!crtc_vga) 836 return ENXIO; 837 bcopy(data, &font_8x14, sizeof(font_8x14)); 838 load_font(2, 14, font_8x14); 839 return 0; 840 841 case GIO_FONT8x14: /* get 8x14 dot font */ 842 if (!crtc_vga) 843 return ENXIO; 844 bcopy(&font_8x14, data, sizeof(font_8x14)); 845 return 0; 846 847 case PIO_FONT8x16: /* set 8x16 dot font */ 848 if (!crtc_vga) 849 return ENXIO; 850 bcopy(data, &font_8x16, sizeof(font_8x16)); 851 load_font(0, 16, font_8x16); 852 return 0; 853 854 case GIO_FONT8x16: /* get 8x16 dot font */ 855 if (!crtc_vga) 856 return ENXIO; 857 bcopy(&font_8x16, data, sizeof(font_8x16)); 858 return 0; 859 860 case CONSOLE_X_MODE_ON: /* just to be compatible */ 861 if (saved_console < 0) { 862 saved_console = get_scr_num(cur_scr_stat); 863 switch_scr(minor(dev)); 864 fp = (struct syscframe *)p->p_regs; 865 fp->sf_eflags |= PSL_IOPL; 866 scp->status |= UNKNOWN_MODE; 867 scp->status |= KBD_RAW_MODE; 868 return 0; 869 } 870 return EAGAIN; 871 872 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 873 fp = (struct syscframe *)p->p_regs; 874 fp->sf_eflags &= ~PSL_IOPL; 875 if (crtc_vga) { 876 load_font(0, 16, font_8x16); 877 load_font(1, 8, font_8x8); 878 load_font(2, 14, font_8x14); 879 load_palette(); 880 } 881 scp->status &= ~UNKNOWN_MODE; 882 set_mode(scp); 883 clear_screen(scp); 884 scp->status &= ~KBD_RAW_MODE; 885 switch_scr(saved_console); 886 saved_console = -1; 887 return 0; 888 889 case CONSOLE_X_BELL: /* more compatibility */ 890 /* 891 * if set, data is a pointer to a length 2 array of 892 * integers. data[0] is the pitch in Hz and data[1] 893 * is the duration in msec. 894 */ 895 if (data) 896 sysbeep(XTALSPEED/((int*)data)[0], ((int*)data)[1]*hz/3000); 897 else 898 sysbeep(0x31b, hz/4); 899 return 0; 900 901 default: 902 break; 903 } 904 905 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 906 if (error >= 0) 907 return(error); 908 error = ttioctl(tp, cmd, data, flag); 909 if (error >= 0) 910 return(error); 911 return(ENOTTY); 912} 913 914 915pcxint(dev_t dev) 916{ 917 pccons[minor(dev)].t_state &= ~TS_BUSY; 918 pcconsoftc.cs_timo = 0; 919 if (pccons[minor(dev)].t_line) 920 (*linesw[pccons[minor(dev)].t_line].l_start) 921 (&pccons[minor(dev)]); 922 else 923 pcstart(&pccons[minor(dev)]); 924} 925 926 927pcstart(struct tty *tp) 928{ 929 int c, s; 930 scr_stat *scp = get_scr_stat(tp->t_dev); 931 932 s = spltty(); 933 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 934 for (;;) { 935 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 936 if (tp->t_state & TS_ASLEEP) { 937 tp->t_state &= ~TS_ASLEEP; 938 wakeup((caddr_t)&tp->t_out); 939 } 940 if (tp->t_wsel) { 941 selwakeup(tp->t_wsel, 942 tp->t_state & TS_WCOLL); 943 tp->t_wsel = 0; 944 tp->t_state &= ~TS_WCOLL; 945 } 946 } 947 if (RB_LEN(&tp->t_out) == 0) 948 break; 949 if (scp->status & SLKED) 950 break; 951 c = getc(&tp->t_out); 952 tp->t_state |= TS_BUSY; 953 splx(s); 954 ansi_put(scp, c); 955 s = spltty(); 956 tp->t_state &= ~TS_BUSY; 957 } 958 splx(s); 959} 960 961 962pccnprobe(struct consdev *cp) 963{ 964 int maj; 965 966 /* locate the major number */ 967 for (maj = 0; maj < nchrdev; maj++) 968 if (cdevsw[maj].d_open == pcopen) 969 break; 970 971 /* initialize required fields */ 972 cp->cn_dev = makedev(maj, 0); 973 cp->cn_tp = &pccons[0]; 974 cp->cn_pri = CN_INTERNAL; 975} 976 977 978pccninit(struct consdev *cp) 979{ 980} 981 982 983pccnputc(dev_t dev, char c) 984{ 985 int pos; 986 987 if (cur_scr_stat->status & UNKNOWN_MODE) 988 return; 989 if (c == '\n') 990 sput('\r'); 991 sput(c); 992 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 993 if (pos != cur_cursor_pos) { 994 cur_cursor_pos = pos; 995 outb(crtc_addr,14); 996 outb(crtc_addr+1,pos >> 8); 997 outb(crtc_addr,15); 998 outb(crtc_addr+1,pos&0xff); 999 } 1000} 1001 1002 1003pccngetc(dev_t dev) 1004{ 1005 int c, s; 1006 1007 s = spltty(); /* block scintr while we poll */ 1008 c = sgetc(0); 1009 splx(s); 1010 if (c == '\r') c = '\n'; 1011 return(c); 1012} 1013 1014#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1015 1016void scrn_saver(int test) 1017{ 1018 u_char val; 1019 1020 if (test) { 1021 scrn_blanked = 1; 1022 outb(TSIDX, 0x01); val = inb(TSREG); 1023 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1024 } 1025 else { 1026 scrn_blanked = 0; 1027 outb(TSIDX, 0x01); val = inb(TSREG); 1028 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1029 } 1030} 1031#endif 1032#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1033 1034static u_long rand_next = 1; 1035 1036static rand() 1037{ 1038 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1039} 1040#endif 1041#ifdef STAR_SAVER 1042/* 1043 * Alternate saver that got its inspiration from a well known utility 1044 * package for an unfamous OS. 1045 */ 1046 1047#define NUM_STARS 50 1048 1049void scrn_saver(int test) 1050{ 1051 scr_stat *scp = cur_scr_stat; 1052 int cell, i; 1053 char pattern[] = {"...........++++*** "}; 1054 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1055 FG_WHITE, FG_LIGHTCYAN}; 1056 static u_short stars[NUM_STARS][2]; 1057 1058 if (test) { 1059 if (!scrn_blanked) { 1060 bcopy(Crtat, scp->scr, 1061 scp->max_posx * scp->max_posy * 2); 1062 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1063 scp->max_posx * scp->max_posy); 1064 set_border(0); 1065 i = scp->max_posy * scp->max_posx + 5; 1066 outb(crtc_addr, 14); 1067 outb(crtc_addr+1, i >> 8); 1068 outb(crtc_addr, 15); 1069 outb(crtc_addr+1, i & 0xff); 1070 scrn_blanked = 1; 1071 for(i=0; i<NUM_STARS; i++) { 1072 stars[i][0] = 1073 rand() % (scp->max_posx*scp->max_posy); 1074 stars[i][1] = 0; 1075 } 1076 } 1077 cell = rand() % NUM_STARS; 1078 *((u_short*)(Crtat + stars[cell][0])) = 1079 scr_map[pattern[stars[cell][1]]] | 1080 colors[rand()%sizeof(colors)] << 8; 1081 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1082 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1083 stars[cell][1] = 0; 1084 } 1085 } 1086 else { 1087 if (scrn_blanked) { 1088 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1089 cur_cursor_pos = -1; 1090 set_border(scp->border); 1091 scrn_blanked = 0; 1092 } 1093 } 1094} 1095#endif 1096#ifdef SNAKE_SAVER 1097/* 1098 * alternative screen saver for cards that do not like blanking 1099 */ 1100 1101void scrn_saver(int test) 1102{ 1103 const char saves[] = {"FreeBSD"}; 1104 static u_char *savs[sizeof(saves)-1]; 1105 static int dirx, diry; 1106 int f; 1107 scr_stat *scp = cur_scr_stat; 1108 1109 if (test) { 1110 if (!scrn_blanked) { 1111 bcopy(Crtat, scp->scr, 1112 scp->max_posx * scp->max_posy * 2); 1113 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1114 scp->max_posx * scp->max_posy); 1115 set_border(0); 1116 dirx = (scp->posx ? 1 : -1); 1117 diry = (scp->posy ? 1118 scp->max_posx : -scp->max_posx); 1119 for (f=0; f< sizeof(saves)-1; f++) 1120 savs[f] = (u_char *)Crtat + 2 * 1121 (scp->posx+scp->posy*scp->max_posx); 1122 *(savs[0]) = scr_map[*saves]; 1123 f = scp->max_posy * scp->max_posx + 5; 1124 outb(crtc_addr, 14); 1125 outb(crtc_addr+1, f >> 8); 1126 outb(crtc_addr, 15); 1127 outb(crtc_addr+1, f & 0xff); 1128 scrn_blanked = 1; 1129 } 1130 if (scrn_blanked++ < 4) 1131 return; 1132 scrn_blanked = 1; 1133 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1134 for (f=sizeof(saves)-2; f > 0; f--) 1135 savs[f] = savs[f-1]; 1136 f = (savs[0] - (u_char *)Crtat) / 2; 1137 if ((f % scp->max_posx) == 0 || 1138 (f % scp->max_posx) == scp->max_posx - 1 || 1139 (rand() % 50) == 0) 1140 dirx = -dirx; 1141 if ((f / scp->max_posx) == 0 || 1142 (f / scp->max_posx) == scp->max_posy - 1 || 1143 (rand() % 20) == 0) 1144 diry = -diry; 1145 savs[0] += 2*dirx + 2*diry; 1146 for (f=sizeof(saves)-2; f>=0; f--) 1147 *(savs[f]) = scr_map[saves[f]]; 1148 } 1149 else { 1150 if (scrn_blanked) { 1151 bcopy(scp->scr, Crtat, 1152 scp->max_posx * scp->max_posy * 2); 1153 cur_cursor_pos = -1; 1154 set_border(scp->border); 1155 scrn_blanked = 0; 1156 } 1157 } 1158} 1159#endif 1160 1161static void cursor_shape(int start, int end) 1162{ 1163 outb(crtc_addr, 10); 1164 outb(crtc_addr+1, start & 0xFF); 1165 outb(crtc_addr, 11); 1166 outb(crtc_addr+1, end & 0xFF); 1167} 1168 1169 1170static void get_cursor_shape(int *start, int *end) 1171{ 1172 outb(crtc_addr, 10); 1173 *start = inb(crtc_addr+1) & 0x1F; 1174 outb(crtc_addr, 11); 1175 *end = inb(crtc_addr+1) & 0x1F; 1176} 1177 1178 1179static void cursor_pos(void) 1180{ 1181 int pos; 1182 1183 if (cur_scr_stat->status & UNKNOWN_MODE) 1184 return; 1185 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1186 scrn_saver(1); 1187 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 1188 if (!scrn_blanked && pos != cur_cursor_pos) { 1189 cur_cursor_pos = pos; 1190 outb(crtc_addr, 14); 1191 outb(crtc_addr+1, pos>>8); 1192 outb(crtc_addr, 15); 1193 outb(crtc_addr+1, pos&0xff); 1194 } 1195 timeout(cursor_pos, 0, hz/20); 1196} 1197 1198 1199static void clear_screen(scr_stat *scp) 1200{ 1201 move_crsr(scp, 0, 0); 1202 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1203 scp->max_posx * scp->max_posy); 1204} 1205 1206 1207static switch_scr(u_int next_scr) 1208{ 1209 if (in_putc) { /* don't switch if in putc */ 1210 nx_scr = next_scr+1; 1211 return 0; 1212 } 1213 if (switch_in_progress && 1214 (cur_scr_stat->proc != pfind(cur_scr_stat->pid))) 1215 switch_in_progress = 0; 1216 if (next_scr >= NCONS || switch_in_progress) { 1217 sysbeep(800, hz/4); 1218 return -1; 1219 } 1220 switch_in_progress = 1; 1221 old_scp = cur_scr_stat; 1222 new_scp = &cons_scr_stat[next_scr]; 1223 wakeup(&new_scp->smode); 1224 if (new_scp == old_scp) { 1225 switch_in_progress = 0; 1226 return 0; 1227 } 1228 new_pccons = &pccons[next_scr]; 1229 1230 /* has controlling process died? */ 1231 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1232 old_scp->smode.mode = VT_AUTO; 1233 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1234 new_scp->smode.mode = VT_AUTO; 1235 1236 /* check the modes and switch approbiatly */ 1237 if (old_scp->smode.mode == VT_PROCESS) { 1238 old_scp->status |= SWITCH_WAIT_REL; 1239 psignal(old_scp->proc, old_scp->smode.relsig); 1240 } 1241 else { 1242 exchange_scr(); 1243 if (new_scp->smode.mode == VT_PROCESS) { 1244 new_scp->status |= SWITCH_WAIT_ACQ; 1245 psignal(new_scp->proc, new_scp->smode.acqsig); 1246 } 1247 else 1248 switch_in_progress = 0; 1249 } 1250 return 0; 1251} 1252 1253 1254static void exchange_scr(void) 1255{ 1256 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1257 old_scp->crt_base = old_scp->scr; 1258 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1259 cur_scr_stat = new_scp; 1260 cur_pccons = new_pccons; 1261 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1262 shfts = ctls = alts = 0; 1263 update_leds(new_scp->status & LED_MASK); 1264 set_mode(new_scp); 1265 new_scp->crt_base = Crtat; 1266 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1267 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1268 nx_scr = 0; 1269} 1270 1271 1272static void move_crsr(scr_stat *scp, int x, int y) 1273{ 1274 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1275 return; 1276 scp->posx = x; 1277 scp->posy = y; 1278 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1279} 1280 1281 1282static void move_up(u_short *s, u_short *d, u_int len) 1283{ 1284 s += len; 1285 d += len; 1286 while (len-- > 0) 1287 *--d = *--s; 1288} 1289 1290 1291static void move_down(u_short *s, u_short *d, u_int len) 1292{ 1293 while (len-- > 0) 1294 *d++ = *s++; 1295} 1296 1297 1298static void scan_esc(scr_stat *scp, u_char c) 1299{ 1300 static u_char ansi_col[16] = 1301 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1302 int i, n; 1303 u_short *src, *dst, count; 1304 1305 if (scp->term.esc == 1) { 1306 switch (c) { 1307 1308 case '[': /* Start ESC [ sequence */ 1309 scp->term.esc = 2; 1310 scp->term.last_par = -1; 1311 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1312 scp->term.par[i] = 1; 1313 scp->term.n_par = 0; 1314 return; 1315 1316 case 'M': /* Move cursor up 1 line, scroll if at top */ 1317 if (scp->posy > 0) 1318 move_crsr(scp, scp->posx, scp->posy - 1); 1319 else { 1320 move_up(scp->crt_base, 1321 scp->crt_base + scp->max_posx, 1322 (scp->max_posy - 1) * scp->max_posx); 1323 fillw(scp->term.attr | scr_map[0x20], 1324 scp->crt_base, scp->max_posx); 1325 } 1326 break; 1327#if notyet 1328 case 'Q': 1329 scp->term.esc = 4; 1330 break; 1331#endif 1332 case 'c': /* Clear screen & home */ 1333 clear_screen(scp); 1334 break; 1335 } 1336 } 1337 else if (scp->term.esc == 2) { 1338 if (c >= '0' && c <= '9') { 1339 if (scp->term.n_par < MAX_ESC_PAR) { 1340 if (scp->term.last_par != scp->term.n_par) { 1341 scp->term.last_par = scp->term.n_par; 1342 scp->term.par[scp->term.n_par] = 0; 1343 } 1344 else 1345 scp->term.par[scp->term.n_par] *= 10; 1346 scp->term.par[scp->term.n_par] += c - '0'; 1347 return; 1348 } 1349 } 1350 scp->term.n_par = scp->term.last_par + 1; 1351 switch (c) { 1352 1353 case ';': 1354 if (scp->term.n_par < MAX_ESC_PAR) 1355 return; 1356 break; 1357 1358 case '=': 1359 scp->term.esc = 3; 1360 scp->term.last_par = -1; 1361 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1362 scp->term.par[i] = 1; 1363 scp->term.n_par = 0; 1364 return; 1365 1366 case 'A': /* up n rows */ 1367 n = scp->term.par[0]; if (n < 1) n = 1; 1368 move_crsr(scp, scp->posx, scp->posy - n); 1369 break; 1370 1371 case 'B': /* down n rows */ 1372 n = scp->term.par[0]; if (n < 1) n = 1; 1373 move_crsr(scp, scp->posx, scp->posy + n); 1374 break; 1375 1376 case 'C': /* right n columns */ 1377 n = scp->term.par[0]; if (n < 1) n = 1; 1378 move_crsr(scp, scp->posx + n, scp->posy); 1379 break; 1380 1381 case 'D': /* left n columns */ 1382 n = scp->term.par[0]; if (n < 1) n = 1; 1383 move_crsr(scp, scp->posx - n, scp->posy); 1384 break; 1385 1386 case 'E': /* cursor to start of line n lines down */ 1387 n = scp->term.par[0]; if (n < 1) n = 1; 1388 move_crsr(scp, 0, scp->posy + n); 1389 break; 1390 1391 case 'F': /* cursor to start of line n lines up */ 1392 n = scp->term.par[0]; if (n < 1) n = 1; 1393 move_crsr(scp, 0, scp->posy - n); 1394 break; 1395 1396 case 'f': /* System V consoles .. */ 1397 case 'H': /* Cursor move */ 1398 if (scp->term.n_par == 0) 1399 move_crsr(scp, 0, 0); 1400 else if (scp->term.n_par == 2) 1401 move_crsr(scp, scp->term.par[1] - 1, 1402 scp->term.par[0] - 1); 1403 break; 1404 1405 case 'J': /* Clear all or part of display */ 1406 if (scp->term.n_par == 0) 1407 n = 0; 1408 else 1409 n = scp->term.par[0]; 1410 switch (n) { 1411 case 0: /* clear form cursor to end of display */ 1412 fillw(scp->term.attr | scr_map[0x20], 1413 scp->crtat, scp->crt_base + 1414 scp->max_posx * scp->max_posy - 1415 scp->crtat); 1416 break; 1417 case 1: /* clear from beginning of display to cursor */ 1418 fillw(scp->term.attr | scr_map[0x20], 1419 scp->crt_base, 1420 scp->crtat - scp->crt_base); 1421 break; 1422 case 2: /* clear entire display */ 1423 clear_screen(scp); 1424 break; 1425 } 1426 break; 1427 1428 case 'K': /* Clear all or part of line */ 1429 if (scp->term.n_par == 0) 1430 n = 0; 1431 else 1432 n = scp->term.par[0]; 1433 switch (n) { 1434 case 0: /* clear form cursor to end of line */ 1435 fillw(scp->term.attr | scr_map[0x20], 1436 scp->crtat, scp->max_posx - scp->posx); 1437 break; 1438 case 1: /* clear from beginning of line to cursor */ 1439 fillw(scp->term.attr|scr_map[0x20], 1440 scp->crtat - (scp->max_posx - scp->posx), 1441 (scp->max_posx - scp->posx) + 1); 1442 break; 1443 case 2: /* clear entire line */ 1444 fillw(scp->term.attr|scr_map[0x20], 1445 scp->crtat - (scp->max_posx - scp->posx), 1446 scp->max_posx); 1447 break; 1448 } 1449 break; 1450 1451 case 'L': /* Insert n lines */ 1452 n = scp->term.par[0]; if (n < 1) n = 1; 1453 if (n > scp->max_posy - scp->posy) 1454 n = scp->max_posy - scp->posy; 1455 src = scp->crt_base + scp->posy * scp->max_posx; 1456 dst = src + n * scp->max_posx; 1457 count = scp->max_posy - (scp->posy + n); 1458 move_up(src, dst, count * scp->max_posx); 1459 fillw(scp->term.attr | scr_map[0x20], src, 1460 n * scp->max_posx); 1461 break; 1462 1463 case 'M': /* Delete n lines */ 1464 n = scp->term.par[0]; if (n < 1) n = 1; 1465 if (n > scp->max_posy - scp->posy) 1466 n = scp->max_posy - scp->posy; 1467 dst = scp->crt_base + scp->posy * scp->max_posx; 1468 src = dst + n * scp->max_posx; 1469 count = scp->max_posy - (scp->posy + n); 1470 move_down(src, dst, count * scp->max_posx); 1471 src = dst + count * scp->max_posx; 1472 fillw(scp->term.attr | scr_map[0x20], src, 1473 n * scp->max_posx); 1474 break; 1475 1476 case 'P': /* Delete n chars */ 1477 n = scp->term.par[0]; if (n < 1) n = 1; 1478 if (n > scp->max_posx - scp->posx) 1479 n = scp->max_posx - scp->posx; 1480 dst = scp->crtat; 1481 src = dst + n; 1482 count = scp->max_posx - (scp->posx + n); 1483 move_down(src, dst, count); 1484 src = dst + count; 1485 fillw(scp->term.attr | scr_map[0x20], src, n); 1486 break; 1487 1488 case '@': /* Insert n chars */ 1489 n = scp->term.par[0]; if (n < 1) n = 1; 1490 if (n > scp->max_posx - scp->posx) 1491 n = scp->max_posx - scp->posx; 1492 src = scp->crtat; 1493 dst = src + n; 1494 count = scp->max_posx - (scp->posx + n); 1495 move_up(src, dst, count); 1496 fillw(scp->term.attr | scr_map[0x20], src, n); 1497 break; 1498 1499 case 'S': /* scroll up n lines */ 1500 n = scp->term.par[0]; if (n < 1) n = 1; 1501 bcopy(scp->crt_base + (scp->max_posx * n), 1502 scp->crt_base, 1503 scp->max_posx * (scp->max_posy - n) * 1504 sizeof(u_short)); 1505 fillw(scp->term.attr | scr_map[0x20], 1506 scp->crt_base + scp->max_posx * 1507 (scp->max_posy - 1), 1508 scp->max_posx); 1509 break; 1510 1511 case 'T': /* scroll down n lines */ 1512 n = scp->term.par[0]; if (n < 1) n = 1; 1513 bcopy(scp->crt_base, 1514 scp->crt_base + (scp->max_posx * n), 1515 scp->max_posx * (scp->max_posy - n) * 1516 sizeof(u_short)); 1517 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1518 scp->max_posx); 1519 break; 1520 1521 case 'X': /* delete n characters in line */ 1522 n = scp->term.par[0]; if (n < 1) n = 1; 1523 fillw(scp->term.attr | scr_map[0x20], 1524 scp->crt_base + scp->posx + 1525 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1526 break; 1527 1528 case 'Z': /* move n tabs backwards */ 1529 n = scp->term.par[0]; if (n < 1) n = 1; 1530 if ((i = scp->posx & 0xf8) == scp->posx) 1531 i -= 8*n; 1532 else 1533 i -= 8*(n-1); 1534 if (i < 0) 1535 i = 0; 1536 move_crsr(scp, i, scp->posy); 1537 break; 1538 1539 case '`': /* move cursor to column n */ 1540 n = scp->term.par[0]; if (n < 1) n = 1; 1541 move_crsr(scp, n, scp->posy); 1542 break; 1543 1544 case 'a': /* move cursor n columns to the right */ 1545 n = scp->term.par[0]; if (n < 1) n = 1; 1546 move_crsr(scp, scp->posx + n, scp->posy); 1547 break; 1548 1549 case 'd': /* move cursor to row n */ 1550 n = scp->term.par[0]; if (n < 1) n = 1; 1551 move_crsr(scp, scp->posx, n); 1552 break; 1553 1554 case 'e': /* move cursor n rows down */ 1555 n = scp->term.par[0]; if (n < 1) n = 1; 1556 move_crsr(scp, scp->posx, scp->posy + n); 1557 break; 1558 1559 case 'm': /* change attribute */ 1560 if (scp->term.n_par == 0) 1561 n = 0; 1562 else 1563 n = scp->term.par[0]; 1564 switch (n) { 1565 case 0: /* back to normal */ 1566 scp->term.attr = scp->term.std_attr; 1567 break; 1568 case 1: /* highlight (bold) */ 1569 scp->term.attr &= 0xFF00; 1570 scp->term.attr |= 0x0800; 1571 break; 1572 case 4: /* highlight (underline) */ 1573 scp->term.attr &= 0x0F00; 1574 scp->term.attr |= 0x0800; 1575 break; 1576 case 5: /* blink */ 1577 scp->term.attr &= 0xFF00; 1578 scp->term.attr |= 0x8000; 1579 break; 1580 case 7: /* reverse video */ 1581 scp->term.attr = scp->term.rev_attr; 1582 break; 1583 case 30: case 31: case 32: case 33: /* set fg color */ 1584 case 34: case 35: case 36: case 37: 1585 scp->term.attr = (scp->term.attr & 0xF0FF) 1586 | (ansi_col[(n - 30) & 7] << 8); 1587 break; 1588 case 40: case 41: case 42: case 43: /* set bg color */ 1589 case 44: case 45: case 46: case 47: 1590 scp->term.attr = (scp->term.attr & 0x0FFF) 1591 | (ansi_col[(n - 40) & 7] << 12); 1592 break; 1593 } 1594 break; 1595 1596 case 'x': 1597 if (scp->term.n_par == 0) 1598 n = 0; 1599 else 1600 n = scp->term.par[0]; 1601 switch (n) { 1602 case 0: /* reset attributes */ 1603 scp->term.attr = scp->term.std_attr = 1604 current_default->std_attr; 1605 scp->term.rev_attr = current_default->rev_attr; 1606 break; 1607 case 1: /* set ansi background */ 1608 scp->term.attr = scp->term.std_attr = 1609 (scp->term.std_attr & 0x0F00) | 1610 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1611 break; 1612 case 2: /* set ansi foreground */ 1613 scp->term.attr = scp->term.std_attr = 1614 (scp->term.std_attr & 0xF000) | 1615 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1616 break; 1617 case 3: /* set ansi attribute directly */ 1618 scp->term.attr = scp->term.std_attr = 1619 (scp->term.par[1]&0xFF)<<8; 1620 break; 1621 case 5: /* set ansi reverse video background */ 1622 scp->term.rev_attr = 1623 (scp->term.rev_attr & 0x0F00) | 1624 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1625 break; 1626 case 6: /* set ansi reverse video foreground */ 1627 scp->term.rev_attr = 1628 (scp->term.rev_attr & 0xF000) | 1629 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1630 break; 1631 case 7: /* set ansi reverse video directly */ 1632 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1633 break; 1634 } 1635 break; 1636 1637 case 'z': /* switch to (virtual) console n */ 1638 if (scp->term.n_par == 1) 1639 switch_scr(scp->term.par[0]); 1640 break; 1641 } 1642 } 1643 else if (scp->term.esc == 3) { 1644 if (c >= '0' && c <= '9') { 1645 if (scp->term.n_par < MAX_ESC_PAR) { 1646 if (scp->term.last_par != scp->term.n_par) { 1647 scp->term.last_par = scp->term.n_par; 1648 scp->term.par[scp->term.n_par] = 0; 1649 } 1650 else 1651 scp->term.par[scp->term.n_par] *= 10; 1652 scp->term.par[scp->term.n_par] += c - '0'; 1653 return; 1654 } 1655 } 1656 scp->term.n_par = scp->term.last_par + 1; 1657 switch (c) { 1658 1659 case ';': 1660 if (scp->term.n_par < MAX_ESC_PAR) 1661 return; 1662 break; 1663 1664 case 'A': /* set display border color */ 1665 if (scp->term.n_par == 1) 1666 scp->border=scp->term.par[0] & 0xff; 1667 if (scp == cur_scr_stat) 1668 set_border(scp->border); 1669 break; 1670 1671 case 'B': /* set bell pitch and duration */ 1672 if (scp->term.n_par == 2) { 1673 scp->bell_pitch = scp->term.par[0]; 1674 scp->bell_duration = scp->term.par[1]*10; 1675 } 1676 break; 1677 1678 case 'C': /* set cursor shape (start & end line) */ 1679 if (scp->term.n_par == 2) { 1680 scp->cursor_start = scp->term.par[0] & 0x1F; 1681 scp->cursor_end = scp->term.par[1] & 0x1F; 1682 if (scp == cur_scr_stat) 1683 cursor_shape(scp->cursor_start, 1684 scp->cursor_end); 1685 } 1686 break; 1687 1688 case 'F': /* set ansi foreground */ 1689 if (scp->term.n_par == 1) 1690 scp->term.attr = scp->term.std_attr = 1691 (scp->term.std_attr & 0xF000) 1692 | ((scp->term.par[0] & 0x0F) << 8); 1693 break; 1694 1695 case 'G': /* set ansi background */ 1696 if (scp->term.n_par == 1) 1697 scp->term.attr = scp->term.std_attr = 1698 (scp->term.std_attr & 0x0F00) 1699 | ((scp->term.par[0] & 0x0F) << 12); 1700 break; 1701 1702 case 'H': /* set ansi reverse video foreground */ 1703 if (scp->term.n_par == 1) 1704 scp->term.rev_attr = 1705 (scp->term.rev_attr & 0xF000) 1706 | ((scp->term.par[0] & 0x0F) << 8); 1707 break; 1708 1709 case 'I': /* set ansi reverse video background */ 1710 if (scp->term.n_par == 1) 1711 scp->term.rev_attr = 1712 (scp->term.rev_attr & 0x0F00) 1713 | ((scp->term.par[0] & 0x0F) << 12); 1714 break; 1715 } 1716 } 1717 scp->term.esc = 0; 1718} 1719 1720 1721static void ansi_put(scr_stat *scp, u_char c) 1722{ 1723 if (scp->status & UNKNOWN_MODE) 1724 return; 1725 1726 /* make screensaver happy */ 1727 if (scp == cur_scr_stat) { 1728 scrn_time_stamp = time.tv_sec; 1729 if (scrn_blanked) 1730 scrn_saver(0); 1731 } 1732 in_putc++; 1733 if (scp->term.esc) 1734 scan_esc(scp, c); 1735 else switch(c) { 1736 case 0x1B: /* start escape sequence */ 1737 scp->term.esc = 1; 1738 scp->term.n_par = 0; 1739 break; 1740 case 0x07: 1741 if (scp == cur_scr_stat) 1742 sysbeep(scp->bell_pitch, scp->bell_duration); 1743 break; 1744 case '\t': /* non-destructive tab */ 1745 scp->crtat += (8 - scp->posx % 8); 1746 scp->posx += (8 - scp->posx % 8); 1747 break; 1748 case '\b': /* non-destructive backspace */ 1749 if (scp->crtat > scp->crt_base) { 1750 scp->crtat--; 1751 if (scp->posx > 0) 1752 scp->posx--; 1753 else { 1754 scp->posx += scp->max_posx - 1; 1755 scp->posy--; 1756 } 1757 } 1758 break; 1759 case '\r': /* return to pos 0 */ 1760 move_crsr(scp, 0, scp->posy); 1761 break; 1762 case '\n': /* newline, same pos */ 1763 scp->crtat += scp->max_posx; 1764 scp->posy++; 1765 break; 1766 case '\f': /* form feed, clears screen */ 1767 clear_screen(scp); 1768 break; 1769 default: 1770 /* Print only printables */ 1771 *scp->crtat = (scp->term.attr | scr_map[c]); 1772 scp->crtat++; 1773 if (++scp->posx >= scp->max_posx) { 1774 scp->posx = 0; 1775 scp->posy++; 1776 } 1777 break; 1778 } 1779 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1780 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1781 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1782 fillw(scp->term.attr | scr_map[0x20], 1783 scp->crt_base + scp->max_posx * (scp->max_posy - 1), 1784 scp->max_posx); 1785 scp->crtat -= scp->max_posx; 1786 scp->posy--; 1787 } 1788 in_putc--; 1789 if (nx_scr) 1790 switch_scr(nx_scr - 1); 1791} 1792 1793 1794void consinit(void) 1795{ 1796 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1797 unsigned cursorat; 1798 int i; 1799 1800 /* 1801 * catch that once in a blue moon occurence when consinit is called 1802 * TWICE, adding the CGA_BUF offset again -> poooff 1803 */ 1804 if (crtat != 0) 1805 return; 1806 /* 1807 * Crtat initialized to point to MONO buffer, if not present change 1808 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1809 * in the remapped offset at the right time 1810 */ 1811 was = *cp; 1812 *cp = (u_short) 0xA55A; 1813 if (*cp != 0xA55A) { 1814 crtc_addr = MONO_BASE; 1815 } else { 1816 *cp = was; 1817 crtc_addr = COLOR_BASE; 1818 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1819 } 1820 1821 /* Extract cursor location */ 1822 outb(crtc_addr,14); 1823 cursorat = inb(crtc_addr+1)<<8 ; 1824 outb(crtc_addr,15); 1825 cursorat |= inb(crtc_addr+1); 1826 crtat = Crtat + cursorat; 1827 1828 /* is this a VGA or higher ? */ 1829 outb(crtc_addr, 7); 1830 if (inb(crtc_addr) == 7) 1831 crtc_vga = 1; 1832 1833 current_default = &user_default; 1834 cons_scr_stat[0].crtat = crtat; 1835 cons_scr_stat[0].crt_base = Crtat; 1836 cons_scr_stat[0].term.esc = 0; 1837 cons_scr_stat[0].term.std_attr = current_default->std_attr; 1838 cons_scr_stat[0].term.rev_attr = current_default->rev_attr; 1839 cons_scr_stat[0].term.attr = current_default->std_attr; 1840 cons_scr_stat[0].posx = cursorat % COL; 1841 cons_scr_stat[0].posy = cursorat / COL; 1842 cons_scr_stat[0].border = BG_BLACK;; 1843 cons_scr_stat[0].max_posx = COL; 1844 cons_scr_stat[0].max_posy = ROW; 1845 cons_scr_stat[0].status = 0; 1846 cons_scr_stat[0].pid = 0; 1847 cons_scr_stat[0].proc = NULL; 1848 cons_scr_stat[0].smode.mode = VT_AUTO; 1849 cons_scr_stat[0].bell_pitch = 800; 1850 cons_scr_stat[0].bell_duration = 10; 1851 kernel_console.esc = 0; 1852 kernel_console.std_attr = kernel_default.std_attr; 1853 kernel_console.rev_attr = kernel_default.rev_attr; 1854 kernel_console.attr = kernel_default.std_attr; 1855 /* initialize mapscrn array to */ 1856 for (i=0; i<sizeof(scr_map); i++) 1857 scr_map[i] = i; 1858 clear_screen(&cons_scr_stat[0]); 1859} 1860 1861 1862static void sput(u_char c) 1863{ 1864 scr_stat *scp = &cons_scr_stat[0]; 1865 term_stat save; 1866 1867 if (crtat == 0) 1868 consinit(); 1869 save = scp->term; 1870 scp->term = kernel_console; 1871 current_default = &kernel_default; 1872 ansi_put(scp, c); 1873 kernel_console = scp->term; 1874 current_default = &user_default; 1875 scp->term = save; 1876} 1877 1878 1879static u_char *get_fstr(u_int c, u_int *len) 1880{ 1881 u_int i; 1882 1883 if (!(c & FKEY)) 1884 return(NULL); 1885 i = (c & 0xFF) - F_FN; 1886 if (i > n_fkey_tab) 1887 return(NULL); 1888 *len = fkey_tab[i].len; 1889 return(fkey_tab[i].str); 1890} 1891 1892 1893static update_leds(int which) 1894{ 1895 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 1896 1897 kbd_cmd(KB_SETLEDS); /* LED Command */ 1898 kbd_cmd(xlate_leds[which & LED_MASK]); 1899 kbd_wait(); 1900} 1901 1902 1903volatile void reset_cpu(void) 1904{ 1905 while (1) { 1906 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 1907 DELAY(4000000); 1908 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 1909 } 1910} 1911 1912 1913/* 1914 * sgetc(noblock) : get a character from the keyboard. 1915 * If noblock = 0 wait until a key is gotten. Otherwise return a 0x100. 1916 */ 1917u_int sgetc(int noblock) 1918{ 1919 u_char val, code, release; 1920 u_int state, action; 1921 struct key_t *key; 1922 static u_char esc_flag = 0, compose = 0; 1923 static u_int chr = 0; 1924 1925next_code: 1926 kbd_wait(); 1927 /* First see if there is something in the keyboard port */ 1928 if (inb(KB_STAT) & KB_BUF_FULL) 1929 val = inb(KB_DATA); 1930 else if (noblock) 1931 return(0x100); 1932 else 1933 goto next_code; 1934 1935 if (cur_scr_stat->status & KBD_RAW_MODE) 1936 return val; 1937 1938 code = val & 0x7F; 1939 release = val & 0x80; 1940 1941 /* Check for cntl-alt-del */ 1942 if ((code == 83) && ctls && alts) 1943 cpu_reset(); 1944#if NDDB > 0 1945 /* Check for cntl-alt-esc */ 1946 if ((val == 1) && ctls && alts) { 1947 /* if debugger called, try to switch to console 0 */ 1948 if (cur_scr_stat->smode.mode == VT_AUTO && 1949 cons_scr_stat[0].smode.mode == VT_AUTO) 1950 switch_scr(0); 1951 Debugger(); 1952 return(0x100); 1953 } 1954#endif 1955 switch (esc_flag) { 1956 case 0x00: /* normal scancode */ 1957 switch(code) { 1958 case 0x38: /* left alt (compose key) */ 1959 if (release && compose) { 1960 compose = 0; 1961 if (chr > 255) { 1962 sysbeep(500, hz/4); 1963 chr = 0; 1964 } 1965 } 1966 else { 1967 if (!compose) { 1968 compose = 1; 1969 chr = 0; 1970 } 1971 } 1972 break; 1973 case 0x60: 1974 case 0x61: 1975 esc_flag = code; 1976 goto next_code; 1977 } 1978 break; 1979 case 0x60: /* 0xE0 prefix */ 1980 esc_flag = 0; 1981 switch (code) { 1982 case 0x1c: /* right enter key */ 1983 code = 0x59; 1984 break; 1985 case 0x1d: /* right ctrl key */ 1986 code = 0x5a; 1987 break; 1988 case 0x35: /* keypad divide key */ 1989 code = 0x5b; 1990 break; 1991 case 0x37: /* print scrn key */ 1992 code = 0x5c; 1993 break; 1994 case 0x38: /* right alt key (alt gr) */ 1995 code = 0x5d; 1996 break; 1997 case 0x47: /* grey home key */ 1998 code = 0x5e; 1999 break; 2000 case 0x48: /* grey up arrow key */ 2001 code = 0x5f; 2002 break; 2003 case 0x49: /* grey page up key */ 2004 code = 0x60; 2005 break; 2006 case 0x4b: /* grey left arrow key */ 2007 code = 0x61; 2008 break; 2009 case 0x4d: /* grey right arrow key */ 2010 code = 0x62; 2011 break; 2012 case 0x4f: /* grey end key */ 2013 code = 0x63; 2014 break; 2015 case 0x50: /* grey down arrow key */ 2016 code = 0x64; 2017 break; 2018 case 0x51: /* grey page down key */ 2019 code = 0x65; 2020 break; 2021 case 0x52: /* grey insert key */ 2022 code = 0x66; 2023 break; 2024 case 0x53: /* grey delete key */ 2025 code = 0x67; 2026 break; 2027 default: /* ignore everything else */ 2028 goto next_code; 2029 } 2030 break; 2031 case 0x61: /* 0xE1 prefix */ 2032 esc_flag = 0; 2033 if (code == 0x1D) 2034 esc_flag = 0x1D; 2035 goto next_code; 2036 /* NOT REACHED */ 2037 case 0x1D: /* pause / break */ 2038 esc_flag = 0; 2039 if (code != 0x45) 2040 goto next_code; 2041 code = 0x68; 2042 break; 2043 } 2044 2045 if (compose) { 2046 switch (code) { 2047 case 0x47: 2048 case 0x48: /* keypad 7,8,9 */ 2049 case 0x49: 2050 if (!release) 2051 chr = (code - 0x40) + chr*10; 2052 goto next_code; 2053 case 0x4b: 2054 case 0x4c: /* keypad 4,5,6 */ 2055 case 0x4d: 2056 if (!release) 2057 chr = (code - 0x47) + chr*10; 2058 goto next_code; 2059 case 0x4f: 2060 case 0x50: /* keypad 1,2,3 */ 2061 case 0x51: 2062 if (!release) 2063 chr = (code - 0x4e) + chr*10; 2064 goto next_code; 2065 case 0x52: /* keypad 0 */ 2066 if (!release) 2067 chr *= 10; 2068 goto next_code; 2069 case 0x38: /* left alt key */ 2070 break; 2071 default: 2072 if (chr) { 2073 compose = chr = 0; 2074 sysbeep(500, hz/4); 2075 goto next_code; 2076 } 2077 break; 2078 } 2079 } 2080 2081 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2082 if ((!agrs && (cur_scr_stat->status & ALKED)) 2083 || (agrs && !(cur_scr_stat->status & ALKED))) 2084 code += ALTGR_OFFSET; 2085 key = &key_map.key[code]; 2086 if ( ((key->flgs & FLAG_LOCK_C) && (cur_scr_stat->status & CLKED)) 2087 || ((key->flgs & FLAG_LOCK_N) && (cur_scr_stat->status & NLKED)) ) 2088 state ^= 1; 2089 2090 /* Check for make/break */ 2091 action = key->map[state]; 2092 if (release) { /* key released */ 2093 if (key->spcl & 0x80) { 2094 switch (action) { 2095 case LSH: 2096 shfts &= ~1; 2097 break; 2098 case RSH: 2099 shfts &= ~2; 2100 break; 2101 case LCTR: 2102 ctls &= ~1; 2103 break; 2104 case RCTR: 2105 ctls &= ~2; 2106 break; 2107 case LALT: 2108 alts &= ~1; 2109 break; 2110 case RALT: 2111 alts &= ~2; 2112 break; 2113 case NLK: 2114 nlkcnt = 0; 2115 break; 2116 case CLK: 2117 clkcnt = 0; 2118 break; 2119 case SLK: 2120 slkcnt = 0; 2121 break; 2122 case ASH: 2123 agrs = 0; 2124 break; 2125 case ALK: 2126 alkcnt = 0; 2127 break; 2128 } 2129 } 2130 if (chr && !compose) { 2131 action = chr; 2132 chr = 0; 2133 return (action); 2134 } 2135 } else { 2136 /* key pressed */ 2137 if (key->spcl & (0x80>>state)) { 2138 switch (action) { 2139 /* LOCKING KEYS */ 2140 case NLK: 2141 if (!nlkcnt) { 2142 nlkcnt++; 2143 if (cur_scr_stat->status & NLKED) 2144 cur_scr_stat->status &= ~NLKED; 2145 else 2146 cur_scr_stat->status |= NLKED; 2147 update_leds(cur_scr_stat->status & LED_MASK); 2148 } 2149 break; 2150 case CLK: 2151 if (!clkcnt) { 2152 clkcnt++; 2153 if (cur_scr_stat->status & CLKED) 2154 cur_scr_stat->status &= ~CLKED; 2155 else 2156 cur_scr_stat->status |= CLKED; 2157 update_leds(cur_scr_stat->status & LED_MASK); 2158 } 2159 break; 2160 case SLK: 2161 if (!slkcnt) { 2162 slkcnt++; 2163 if (cur_scr_stat->status & SLKED) { 2164 cur_scr_stat->status &= ~SLKED; 2165 pcstart(&pccons[get_scr_num(cur_scr_stat)]); 2166 } 2167 else 2168 cur_scr_stat->status |= SLKED; 2169 update_leds(cur_scr_stat->status & LED_MASK); 2170 } 2171 break; 2172 case ALK: 2173 if (!alkcnt) { 2174 alkcnt++; 2175 if (cur_scr_stat->status & ALKED) 2176 cur_scr_stat->status &= ~ALKED; 2177 else 2178 cur_scr_stat->status |= ALKED; 2179 } 2180 break; 2181 2182 /* NON-LOCKING KEYS */ 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 ASH: 2202 agrs = 1; 2203 break; 2204 case NOP: 2205 break; 2206 default: 2207 if (action >= F_SCR && action <= L_SCR) { 2208 switch_scr(action - F_SCR); 2209 break; 2210 } 2211 if (action >= F_FN && action <= L_FN) { 2212 return(action | FKEY); 2213 } 2214 return(action); 2215 } 2216 } 2217 else return(action); 2218 } 2219 goto next_code; 2220} 2221 2222/* July '93, jkh. Added in for init_main.c */ 2223void cons_highlight() 2224{ 2225 cons_scr_stat[0].term.attr &= 0xFF00; 2226 cons_scr_stat[0].term.attr |= 0x0800; 2227} 2228 2229void cons_normal() 2230{ 2231 cons_scr_stat[0].term.attr = cons_scr_stat[0].term.std_attr; 2232} 2233 2234int getchar(void) 2235{ 2236 char thechar; 2237 int s; 2238 2239 pcconsoftc.cs_flags |= CSF_POLLING; 2240 s = splhigh(); 2241 sput('>'); 2242 thechar = (char) sgetc(0); 2243 pcconsoftc.cs_flags &= ~CSF_POLLING; 2244 splx(s); 2245 switch (thechar) { 2246 default: 2247 if (thechar >= scr_map[0x20]) 2248 sput(thechar); 2249 return(thechar); 2250 case cr: 2251 case lf: 2252 sput(cr); sput(lf); 2253 return(lf); 2254 case bs: 2255 case del: 2256 sput(bs); sput(scr_map[0x20]); sput(bs); 2257 return(thechar); 2258 case cntld: 2259 sput('^'); sput('D'); sput('\r'); sput('\n'); 2260 return(0); 2261 } 2262} 2263 2264 2265int pcmmap(dev_t dev, int offset, int nprot) 2266{ 2267 if (offset > 0x20000) 2268 return EINVAL; 2269 return i386_btop((VIDEOMEM + offset)); 2270} 2271 2272 2273static void kbd_wait(void) 2274{ 2275 int i; 2276 for (i=0; i<10000; i++) 2277 if ((inb(KB_STAT) & KB_READY) == 0) 2278 break; 2279} 2280 2281 2282static void kbd_cmd(u_char command) 2283{ 2284 kbd_wait(); 2285 outb(KB_DATA, command); 2286} 2287 2288 2289static void set_mode(scr_stat *scp) 2290{ 2291 u_char byte; 2292 int s; 2293 2294 if (scp != cur_scr_stat) 2295 return; 2296 2297 /* (re)activate cursor */ 2298 untimeout(cursor_pos, 0); 2299 cursor_pos(); 2300 2301 /* change cursor type if set */ 2302 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2303 cursor_shape(scp->cursor_start, scp->cursor_end); 2304 2305 /* mode change only on VGA's */ 2306 if (!crtc_vga) 2307 return; 2308 2309 /* setup video hardware for the given mode */ 2310 s = splhigh(); 2311 switch(scp->mode) { 2312 case TEXT80x25: 2313 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2314 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2315 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2316 break; 2317 case TEXT80x50: 2318 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2319 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2320 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2321 break; 2322 default: 2323 return; 2324 } 2325 splx(s); 2326 2327 /* set border color for this (virtual) console */ 2328 set_border(scp->border); 2329 return; 2330} 2331 2332 2333static void set_border(int color) 2334{ 2335 inb(crtc_addr+6); /* reset flip-flop */ 2336 outb(ATC, 0x11); outb(ATC, color); 2337 inb(crtc_addr+6); /* reset flip-flop */ 2338 outb(ATC, 0x20); /* enable Palette */ 2339} 2340 2341static load_font(int segment, int size, char* font) 2342{ 2343 int ch, line, s; 2344 u_char val; 2345 2346 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2347 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2348 2349 /* setup vga for loading fonts (graphics plane mode) */ 2350 s = splhigh(); 2351 inb(crtc_addr+6); /* reset flip/flop */ 2352 outb(ATC, 0x30); outb(ATC, 0x01); 2353 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2354 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2355 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2356 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2357 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2358 splx(s); 2359 for (ch=0; ch < 256; ch++) 2360 for (line=0; line < size; line++) 2361 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2362 font[(ch*size)+line]; 2363 /* setup vga for text mode again */ 2364 s = splhigh(); 2365 inb(crtc_addr+6); /* reset flip/flop */ 2366 outb(ATC, 0x30); outb(ATC, 0x0C); 2367 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2368 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2369 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2370 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2371 if (crtc_addr == MONO_BASE) { 2372 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2373 } 2374 else { 2375 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2376 } 2377 splx(s); 2378 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2379 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2380} 2381 2382 2383static void load_palette(void) 2384{ 2385 int i; 2386 2387 outb(PIXMASK, 0xFF); /* no pixelmask */ 2388 outb(PALWADR, 0x00); 2389 for (i=0x00; i<0x300; i++) 2390 outb(PALDATA, palette[i]); 2391 inb(crtc_addr+6); /* reset flip/flop */ 2392 outb(ATC, 0x20); /* enable palette */ 2393} 2394 2395static void save_palette(void) 2396{ 2397 int i; 2398 2399 outb(PALRADR, 0x00); 2400 for (i=0x00; i<0x300; i++) 2401 palette[i] = inb(PALDATA); 2402 inb(crtc_addr+6); /* reset flip/flop */ 2403} 2404 2405 2406static change_winsize(struct tty *tp, int x, int y) 2407{ 2408 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2409 tp->t_winsize.ws_col = x; 2410 tp->t_winsize.ws_row = y; 2411 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2412 } 2413} 2414 2415#endif /* NSC */ 2416