syscons.c revision 1394
1/*- 2 * Copyright (c) 1992-1994 S�ren Schmidt 3 * Copyright (c) 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * William Jolitz and Don Ahn. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from:@(#)syscons.c 1.3 940129 38 * $Id: syscons.c,v 1.43 1994/04/12 00:05:23 ache Exp $ 39 * 40 */ 41 42#if !defined(__FreeBSD__) 43#define FAT_CURSOR 44#endif 45 46#include "param.h" 47#include "conf.h" 48#include "ioctl.h" 49#include "proc.h" 50#include "user.h" 51#include "tty.h" 52#include "uio.h" 53#include "callout.h" 54#include "systm.h" 55#include "kernel.h" 56#include "syslog.h" 57#include "errno.h" 58#include "malloc.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 "iso8859.font" 68#include "kbdtables.h" 69#include "sc.h" 70 71#if NSC > 0 72 73#if !defined(NCONS) 74#define NCONS 12 75#endif 76 77/* status flags */ 78#define LOCK_KEY_MASK 0x0000F 79#define LED_MASK 0x00007 80#define UNKNOWN_MODE 0x00010 81#define KBD_RAW_MODE 0x00020 82#define SWITCH_WAIT_REL 0x00040 83#define SWITCH_WAIT_ACQ 0x00080 84 85/* video hardware memory addresses */ 86#define VIDEOMEM 0x000A0000 87 88/* misc defines */ 89#define MAX_ESC_PAR 3 90#define TEXT80x25 1 91#define TEXT80x50 2 92#define COL 80 93#define ROW 25 94#define BELL_DURATION 5 95#define BELL_PITCH 800 96#define TIMER_FREQ 1193182 /* should be in isa.h */ 97#define PCBURST 128 98 99/* defines related to hardware addresses */ 100#define MONO_BASE 0x3B4 /* crt controller base mono */ 101#define COLOR_BASE 0x3D4 /* crt controller base color */ 102#define ATC IO_VGA+0x00 /* attribute controller */ 103#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 104#define TSREG IO_VGA+0x05 /* timing sequencer data */ 105#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 106#define PALRADR IO_VGA+0x07 /* palette read address */ 107#define PALWADR IO_VGA+0x08 /* palette write address */ 108#define PALDATA IO_VGA+0x09 /* palette data register */ 109#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 110#define GDCREG IO_VGA+0x0F /* graph data controller data */ 111 112/* special characters */ 113#define cntlc 0x03 114#define cntld 0x04 115#define bs 0x08 116#define lf 0x0a 117#define cr 0x0d 118#define del 0x7f 119 120typedef struct term_stat { 121 int esc; /* processing escape sequence */ 122 int num_param; /* # of parameters to ESC */ 123 int last_param; /* last parameter # */ 124 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 125 int cur_attr; /* current attributes */ 126 int std_attr; /* normal attributes */ 127 int rev_attr; /* reverse attributes */ 128} term_stat; 129 130typedef struct scr_stat { 131 u_short *crt_base; /* address of screen memory */ 132 u_short *scr_buf; /* buffer when off screen */ 133 u_short *crtat; /* cursor address */ 134 int xpos; /* current X position */ 135 int ypos; /* current Y position */ 136 int xsize; /* X size */ 137 int ysize; /* Y size */ 138 term_stat term; /* terminal emulation stuff */ 139 char cursor_start; /* cursor start line # */ 140 char cursor_end; /* cursor end line # */ 141 u_char border; /* border color */ 142 u_short bell_duration; 143 u_short bell_pitch; 144 u_short status; /* status (bitfield) */ 145 u_short mode; /* mode */ 146 pid_t pid; /* pid of controlling proc */ 147 struct proc *proc; /* proc* of controlling proc */ 148 struct vt_mode smode; /* switch mode */ 149} scr_stat; 150 151typedef struct default_attr { 152 int std_attr; /* normal attributes */ 153 int rev_attr; /* reverse attributes */ 154} default_attr; 155 156static default_attr user_default = { 157 (FG_LIGHTGREY | BG_BLACK) << 8, 158 (FG_BLACK | BG_LIGHTGREY) << 8 159}; 160 161static default_attr kernel_default = { 162 (FG_WHITE | BG_BLACK) << 8, 163 (FG_BLACK | BG_LIGHTGREY) << 8 164}; 165 166#define CONSOLE_BUFFER_SIZE 1024 167int console_buffer_count; 168char console_buffer[CONSOLE_BUFFER_SIZE]; 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 delayed_next_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 int scrn_saver = 0; /* screen saver routine */ 191static long scrn_time_stamp; 192static u_char scr_map[256]; 193extern int hz; 194extern struct timeval time; 195 196/* function prototypes */ 197int pcprobe(struct isa_device *dev); 198int pcattach(struct isa_device *dev); 199int pcopen(dev_t dev, int flag, int mode, struct proc *p); 200int pcclose(dev_t dev, int flag, int mode, struct proc *p); 201int pcread(dev_t dev, struct uio *uio, int flag); 202int pcwrite(dev_t dev, struct uio *uio, int flag); 203int pcparam(struct tty *tp, struct termios *t); 204int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 205void pcxint(dev_t dev); 206void pcstart(struct tty *tp); 207void pccnprobe(struct consdev *cp); 208void pccninit(struct consdev *cp); 209void pccnputc(dev_t dev, char c); 210int pccngetc(dev_t dev); 211void scintr(int unit); 212int pcmmap(dev_t dev, int offset, int nprot); 213u_int sgetc(int noblock); 214int getchar(void); 215static void scinit(void); 216static void scput(u_char c); 217static u_int scgetc(int noblock); 218static struct tty *get_tty_ptr(dev_t dev); 219static scr_stat *get_scr_stat(dev_t dev); 220static int get_scr_num(); 221static void cursor_shape(int start, int end); 222static void get_cursor_shape(int *start, int *end); 223static void cursor_pos(int force); 224static void clear_screen(scr_stat *scp); 225static int switch_scr(u_int next_scr); 226static void exchange_scr(void); 227static void move_crsr(scr_stat *scp, int x, int y); 228static void move_up(u_short *s, u_short *d, u_int len); 229static void move_down(u_short *s, u_short *d, u_int len); 230static void scan_esc(scr_stat *scp, u_char c); 231static void ansi_put(scr_stat *scp, u_char c); 232static u_char *get_fstr(u_int c, u_int *len); 233static void update_leds(int which); 234static void kbd_wait(void); 235static void kbd_cmd(u_char command); 236static void kbd_cmd2(u_char command, u_char arg); 237static int kbd_reply(void); 238static void set_mode(scr_stat *scp); 239static void set_border(int color); 240static void load_font(int segment, int size, char* font); 241static void save_palette(void); 242static void load_palette(void); 243static void change_winsize(struct tty *tp, int x, int y); 244 245 246/* available screen savers */ 247 248static void none_saver(int test); 249static void blank_saver(int test); 250static void fade_saver(int test); 251static void star_saver(int test); 252static void snake_saver(int test); 253 254static const struct { 255 char *name; 256 void (*routine)(); 257} screen_savers[] = { 258 { "none", none_saver }, /* 0 */ 259 { "blank", blank_saver }, /* 1 */ 260 { "fade", fade_saver }, /* 2 */ 261 { "star", star_saver }, /* 3 */ 262 { "snake", snake_saver }, /* 4 */ 263}; 264#define SCRN_SAVER(arg) (*screen_savers[scrn_saver].routine)(arg) 265#define NUM_SCRN_SAVERS (sizeof(screen_savers) / sizeof(screen_savers[0])) 266 267/* OS specific stuff */ 268 269#if defined(NetBSD) 270#define VIRTUAL_TTY(x) pc_tty[x] ? (pc_tty[x]) : (pc_tty[x] = ttymalloc()) 271#define CONSOLE_TTY pc_tty[NCONS] ? (pc_tty[NCONS]) : (pc_tty[NCONS] = ttymalloc()) 272#define frametype struct trapframe 273#define eflags tf_eflags 274extern u_short *Crtat; 275struct tty *pc_tty[NCONS+1]; 276int ttrstrt(); 277#endif 278 279#if defined(__FreeBSD__) 280#define VIRTUAL_TTY(x) (pccons[x] = ttymalloc(pccons[x])) 281#define CONSOLE_TTY (pccons[NCONS] = ttymalloc(pccons[NCONS])) 282#define frametype struct trapframe 283#define eflags tf_eflags 284#define timeout_t timeout_func_t 285#define MONO_BUF (KERNBASE+0xB0000) 286#define CGA_BUF (KERNBASE+0xB8000) 287struct tty *pccons[NCONS+1]; 288#endif 289 290#if defined(__386BSD__) && !defined(__FreeBSD__) 291#define VIRTUAL_TTY(x) &pccons[x] 292#define CONSOLE_TTY &pccons[NCONS] 293#define frametype struct syscframe 294#define eflags sf_eflags 295#define timeout_t caddr_t 296#define MONO_BUF (0xFE0B0000) 297#define CGA_BUF (0xFE0B8000) 298struct tty pccons[NCONS+1]; 299#endif 300 301#if defined(__386BSD__) || defined(__FreeBSD__) 302u_short *Crtat = (u_short *)MONO_BUF; 303void consinit(void) {scinit();} 304#include "ddb.h" 305#if NDDB > 0 306#define DDB 1 307#endif 308#endif 309 310struct isa_driver scdriver = { 311 pcprobe, pcattach, "sc", 312}; 313 314 315int pcprobe(struct isa_device *dev) 316{ 317 /* Enable interrupts and keyboard controller */ 318 kbd_wait(); 319 outb(KB_STAT, KB_WRITE); 320 kbd_cmd(0x4D); 321 322 /* Start keyboard stuff RESET */ 323 for (;;) { 324 kbd_cmd(KB_RESET); 325 if (kbd_reply() == KB_ACK && /* command accepted */ 326 kbd_reply() == 0xaa) /* self test passed */ 327 break; 328 printf("Keyboard reset failed\n"); 329 } 330 return (IO_KBDSIZE); 331} 332 333 334int pcattach(struct isa_device *dev) 335{ 336 scr_stat *scp; 337 int start = -1, end = -1, i; 338 339 printf("sc%d: ", dev->id_unit); 340 if (crtc_vga) 341 if (crtc_addr == MONO_BASE) 342 printf("VGA mono"); 343 else 344 printf("VGA color"); 345 else 346 if (crtc_addr == MONO_BASE) 347 printf("MDA/hercules"); 348 else 349 printf("CGA/EGA"); 350 351 if (NCONS > 1) 352 printf(" <%d virtual consoles>\n", NCONS); 353 else 354 printf("\n"); 355#if defined(FAT_CURSOR) 356 start = 0; 357 end = 18; 358 if (crtc_vga) { 359#else 360 if (crtc_vga) { 361 get_cursor_shape(&start, &end); 362#endif 363 save_palette(); 364 load_font(0, 16, font_8x16); 365 load_font(1, 8, font_8x8); 366 load_font(2, 14, font_8x14); 367 } 368 current_default = &user_default; 369 for (i = 0; i < NCONS; i++) { 370 scp = &console[i]; 371 scp->scr_buf = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); 372 scp->mode = TEXT80x25; 373 scp->term.esc = 0; 374 scp->term.std_attr = current_default->std_attr; 375 scp->term.rev_attr = current_default->rev_attr; 376 scp->term.cur_attr = scp->term.std_attr; 377 scp->border = BG_BLACK; 378 scp->cursor_start = start; 379 scp->cursor_end = end; 380 scp->xsize = COL; 381 scp->ysize = ROW; 382 scp->bell_pitch = BELL_PITCH; 383 scp->bell_duration = BELL_DURATION; 384 scp->status = 0; 385 scp->pid = 0; 386 scp->proc = NULL; 387 scp->smode.mode = VT_AUTO; 388 if (i > 0) { 389 scp->crt_base = scp->crtat = scp->scr_buf; 390 fillw(scp->term.cur_attr|scr_map[0x20], scp->scr_buf, COL*ROW); 391 } 392 } 393 /* get cursor going */ 394#if defined(FAT_CURSOR) 395 cursor_shape(console[0].cursor_start, 396 console[0].cursor_end); 397#endif 398 cursor_pos(1); 399 return 0; 400} 401 402 403static struct tty *get_tty_ptr(dev_t dev) 404{ 405 int unit = minor(dev); 406 407 if (unit > NCONS) 408 return(NULL); 409 if (unit == NCONS) 410 return(CONSOLE_TTY); 411 return(VIRTUAL_TTY(unit)); 412} 413 414 415static scr_stat *get_scr_stat(dev_t dev) 416{ 417 int unit = minor(dev); 418 419 if (unit > NCONS) 420 return(NULL); 421 if (unit == NCONS) 422 return(&console[0]); 423 return(&console[unit]); 424} 425 426 427static int get_scr_num() 428{ 429 int i = 0; 430 431 while ((i < NCONS) && (cur_console != &console[i])) i++; 432 return i < NCONS ? i : 0; 433} 434 435int pcopen(dev_t dev, int flag, int mode, struct proc *p) 436{ 437 struct tty *tp = get_tty_ptr(dev); 438 439 if (!tp) 440 return(ENXIO); 441 442 tp->t_oproc = pcstart; 443 tp->t_param = pcparam; 444 tp->t_dev = dev; 445 if (!(tp->t_state & TS_ISOPEN)) { 446 tp->t_state |= TS_WOPEN; 447 ttychars(tp); 448 tp->t_iflag = TTYDEF_IFLAG; 449 tp->t_oflag = TTYDEF_OFLAG; 450 tp->t_cflag = TTYDEF_CFLAG; 451 tp->t_lflag = TTYDEF_LFLAG; 452 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 453 pcparam(tp, &tp->t_termios); 454 ttsetwater(tp); 455 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 456 return(EBUSY); 457 tp->t_state |= TS_CARR_ON; 458 tp->t_cflag |= CLOCAL; 459#if defined(__FreeBSD__) 460 return((*linesw[tp->t_line].l_open)(dev, tp, 0)); 461#else 462 return((*linesw[tp->t_line].l_open)(dev, tp)); 463#endif 464} 465 466 467int pcclose(dev_t dev, int flag, int mode, struct proc *p) 468{ 469 struct tty *tp = get_tty_ptr(dev); 470 struct scr_stat *scp; 471 472 if (!tp) 473 return(ENXIO); 474 if (minor(dev) < NCONS) { 475 scp = get_scr_stat(tp->t_dev); 476 if (scp->status & SWITCH_WAIT_ACQ) 477 wakeup((caddr_t)&scp->smode); 478 scp->pid = 0; 479 scp->proc = NULL; 480 scp->smode.mode = VT_AUTO; 481 } 482 (*linesw[tp->t_line].l_close)(tp, flag); 483 ttyclose(tp); 484 return(0); 485} 486 487 488int pcread(dev_t dev, struct uio *uio, int flag) 489{ 490 struct tty *tp = get_tty_ptr(dev); 491 492 if (!tp) 493 return(ENXIO); 494 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 495} 496 497 498int pcwrite(dev_t dev, struct uio *uio, int flag) 499{ 500 struct tty *tp = get_tty_ptr(dev); 501 502 if (!tp) 503 return(ENXIO); 504 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 505} 506 507 508/* 509 * Got a console interrupt, keyboard action ! 510 * Catch the character, and see who it goes to. 511 */ 512void scintr(int unit) 513{ 514 static struct tty *cur_tty; 515 int c, len; 516 u_char *cp; 517 518 /* make screensaver happy */ 519 scrn_time_stamp = time.tv_sec; 520 if (scrn_blanked) 521 SCRN_SAVER(0); 522 523 c = scgetc(1); 524 525 cur_tty = VIRTUAL_TTY(get_scr_num()); 526 if (!(cur_tty->t_state & TS_ISOPEN)) 527 cur_tty = CONSOLE_TTY; 528 529 if (!(cur_tty->t_state & TS_ISOPEN) || polling) 530 return; 531 532 switch (c & 0xff00) { 533 case 0x0000: /* normal key */ 534 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 535 break; 536 case NOKEY: /* nothing there */ 537 break; 538 case FKEY: /* function key, return string */ 539 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 540 while (len-- > 0) 541 (*linesw[cur_tty->t_line].l_rint) 542 (*cp++ & 0xFF, cur_tty); 543 } 544 break; 545 case MKEY: /* meta is active, prepend ESC */ 546 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 547 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 548 break; 549 } 550} 551 552 553/* 554 * Set line parameters 555 */ 556int pcparam(struct tty *tp, struct termios *t) 557{ 558 int cflag = t->c_cflag; 559 560 /* and copy to tty */ 561 tp->t_ispeed = t->c_ispeed; 562 tp->t_ospeed = t->c_ospeed; 563 tp->t_cflag = cflag; 564 return 0; 565} 566 567 568int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 569{ 570 int i, error; 571 struct tty *tp; 572 frametype *fp; 573 scr_stat *scp; 574 575 tp = get_tty_ptr(dev); 576 if (!tp) 577 return ENXIO; 578 scp = get_scr_stat(tp->t_dev); 579 580 switch (cmd) { /* process console hardware related ioctl's */ 581 582 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 583 scrn_blank_time = *(int*)data; 584 return 0; 585 case CONS_SSAVER: /* set screen saver */ 586 { 587 register ssaver_t *sav = (ssaver_t *)data; 588 if (sav->num < 0 || sav->num >= NUM_SCRN_SAVERS) 589 return EIO; 590 SCRN_SAVER(0); 591 scrn_saver = sav->num; 592 scrn_blank_time = sav->time; 593 return 0; 594 } 595 case CONS_GSAVER: /* get screen saver info */ 596 { 597 register ssaver_t *sav = (ssaver_t *)data; 598 if (sav->num < 0) 599 sav->num = scrn_saver; 600 else if (sav->num >= NUM_SCRN_SAVERS) 601 return EIO; 602 sav->time = scrn_blank_time; 603 strcpy(sav->name, screen_savers[sav->num].name); 604 return 0; 605 } 606 case CONS_80x25TEXT: /* set 80x25 text mode */ 607 if (!crtc_vga) 608 return ENXIO; 609 scp->mode = TEXT80x25; 610 scp->ysize = 25; 611 free(scp->scr_buf, M_DEVBUF); 612 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*2, 613 M_DEVBUF, M_NOWAIT); 614 if (scp != cur_console) 615 scp->crt_base = scp->scr_buf; 616 set_mode(scp); 617 clear_screen(scp); 618 change_winsize(tp, scp->xsize, scp->ysize); 619 return 0; 620 621 case CONS_80x50TEXT: /* set 80x50 text mode */ 622 if (!crtc_vga) 623 return ENXIO; 624 scp->mode = TEXT80x50; 625 scp->ysize = 50; 626 free(scp->scr_buf, M_DEVBUF); 627 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*2, 628 M_DEVBUF, M_NOWAIT); 629 if (scp != cur_console) 630 scp->crt_base = scp->scr_buf; 631 set_mode(scp); 632 clear_screen(scp); 633 change_winsize(tp, scp->xsize, scp->ysize); 634 return 0; 635 636 case CONS_GETVERS: /* get version number */ 637 *(int*)data = 0x103; /* version 1.3 */ 638 return 0; 639 640 case CONS_GETINFO: /* get current (virtual) console info */ 641 { 642 vid_info_t *ptr = (vid_info_t*)data; 643 if (ptr->size == sizeof(struct vid_info)) { 644 ptr->m_num = get_scr_num(); 645 ptr->mv_col = scp->xpos; 646 ptr->mv_row = scp->ypos; 647 ptr->mv_csz = scp->xsize; 648 ptr->mv_rsz = scp->ysize; 649 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 650 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 651 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 652 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 653 ptr->mv_grfc.fore = 0; /* not supported */ 654 ptr->mv_grfc.back = 0; /* not supported */ 655 ptr->mv_ovscan = scp->border; 656 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 657 return 0; 658 } 659 return EINVAL; 660 } 661 662 case VT_SETMODE: /* set screen switcher mode */ 663 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 664 if (scp->smode.mode == VT_PROCESS) { 665 scp->proc = p; 666 scp->pid = scp->proc->p_pid; 667 } 668 return 0; 669 670 case VT_GETMODE: /* get screen switcher mode */ 671 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 672 return 0; 673 674 case VT_RELDISP: /* screen switcher ioctl */ 675 switch(*data) { 676 case VT_FALSE: /* user refuses to release screen, abort */ 677 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 678 old_scp->status &= ~SWITCH_WAIT_REL; 679 switch_in_progress = 0; 680 return 0; 681 } 682 return EINVAL; 683 684 case VT_TRUE: /* user has released screen, go on */ 685 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 686 scp->status &= ~SWITCH_WAIT_REL; 687 exchange_scr(); 688 if (new_scp->smode.mode == VT_PROCESS) { 689 new_scp->status |= SWITCH_WAIT_ACQ; 690 psignal(new_scp->proc, 691 new_scp->smode.acqsig); 692 } 693 else 694 switch_in_progress = 0; 695 return 0; 696 } 697 return EINVAL; 698 699 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 700 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 701 scp->status &= ~SWITCH_WAIT_ACQ; 702 switch_in_progress = 0; 703 return 0; 704 } 705 return EINVAL; 706 707 default: 708 return EINVAL; 709 } 710 /* NOT REACHED */ 711 712 case VT_OPENQRY: /* return free virtual console */ 713 for (i = 0; i < NCONS; i++) { 714 tp = VIRTUAL_TTY(i); 715 if (!(tp->t_state & TS_ISOPEN)) { 716 *data = i + 1; 717 return 0; 718 } 719 } 720 return EINVAL; 721 722 case VT_ACTIVATE: /* switch to screen *data */ 723 return switch_scr((*data) - 1); 724 725 case VT_WAITACTIVE: /* wait for switch to occur */ 726 if (*data > NCONS) 727 return EINVAL; 728 if (minor(dev) == (*data) - 1) 729 return 0; 730 if (*data == 0) { 731 if (scp == cur_console) 732 return 0; 733 while ((error=tsleep((caddr_t)&scp->smode, 734 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 735 } 736 else 737 while ((error=tsleep( 738 (caddr_t)&console[*(data-1)].smode, 739 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 740 return error; 741 742 case VT_GETACTIVE: 743 *data = get_scr_num()+1; 744 return 0; 745 746 case KDENABIO: /* allow io operations */ 747 fp = (frametype *)p->p_regs; 748 fp->eflags |= PSL_IOPL; 749 return 0; 750 751 case KDDISABIO: /* disallow io operations (default) */ 752 fp = (frametype *)p->p_regs; 753 fp->eflags &= ~PSL_IOPL; 754 return 0; 755 756 case KDSETMODE: /* set current mode of this (virtual) console */ 757 switch (*data) { 758 case KD_TEXT: /* switch to TEXT (known) mode */ 759 /* restore fonts & palette ! */ 760 if (crtc_vga) { 761 load_font(0, 16, font_8x16); 762 load_font(1, 8, font_8x8); 763 load_font(2, 14, font_8x14); 764 load_palette(); 765 } 766 /* FALL THROUGH */ 767 768 case KD_TEXT1: /* switch to TEXT (known) mode */ 769 /* no restore fonts & palette */ 770 scp->status &= ~UNKNOWN_MODE; 771 set_mode(scp); 772 clear_screen(scp); 773 return 0; 774 775 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 776 scp->status |= UNKNOWN_MODE; 777 return 0; 778 default: 779 return EINVAL; 780 } 781 /* NOT REACHED */ 782 783 case KDGETMODE: /* get current mode of this (virtual) console */ 784 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 785 return 0; 786 787 case KDSBORDER: /* set border color of this (virtual) console */ 788 if (!crtc_vga) 789 return ENXIO; 790 scp->border = *data; 791 if (scp == cur_console) 792 set_border(scp->border); 793 return 0; 794 795 case KDSKBSTATE: /* set keyboard state (locks) */ 796 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 797 scp->status &= ~LOCK_KEY_MASK; 798 scp->status |= *data; 799 if (scp == cur_console) 800 update_leds(scp->status); 801 return 0; 802 } 803 return EINVAL; 804 805 case KDGKBSTATE: /* get keyboard state (locks) */ 806 *data = scp->status & LOCK_KEY_MASK; 807 return 0; 808 809 case KDSETRAD: /* set keyboard repeat & delay rates */ 810 if (*data & 0x80) 811 return EINVAL; 812 kbd_cmd2(KB_SETRAD, *data); 813 return 0; 814 815 case KDSKBMODE: /* set keyboard mode */ 816 switch (*data) { 817 case K_RAW: /* switch to RAW scancode mode */ 818 scp->status |= KBD_RAW_MODE; 819 return 0; 820 821 case K_XLATE: /* switch to XLT ascii mode */ 822 if (scp == cur_console && scp->status == KBD_RAW_MODE) 823 shfts = ctls = alts = agrs = metas = 0; 824 scp->status &= ~KBD_RAW_MODE; 825 return 0; 826 default: 827 return EINVAL; 828 } 829 /* NOT REACHED */ 830 831 case KDGKBMODE: /* get keyboard mode */ 832 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 833 return 0; 834 835 case KDMKTONE: /* sound the bell */ 836 if (scp == cur_console) 837 sysbeep(scp->bell_pitch, scp->bell_duration); 838 return 0; 839 840 case KIOCSOUND: /* make tone (*data) hz */ 841 if (scp == cur_console) { 842 if (*(int*)data) { 843 int pitch = TIMER_FREQ/(*(int*)data); 844 /* set command for counter 2, 2 byte write */ 845 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) { 846 return EBUSY; 847 } 848 /* set pitch */ 849 outb(TIMER_CNTR2, pitch); 850 outb(TIMER_CNTR2, (pitch>>8)); 851 /* enable counter 2 output to speaker */ 852 outb(0x61, inb(0x61) | 3); 853 } 854 else { 855 /* disable counter 2 output to speaker */ 856 outb(0x61, inb(0x61) & 0xFC); 857 release_timer2(); 858 } 859 } 860 return 0; 861 862 case KDGKBTYPE: /* get keyboard type */ 863 *data = 0; /* type not known (yet) */ 864 return 0; 865 866 case KDSETLED: /* set keyboard LED status */ 867 if (*data >= 0 && *data <= LED_MASK) { 868 scp->status &= ~LED_MASK; 869 scp->status |= *data; 870 if (scp == cur_console) 871 update_leds(scp->status); 872 return 0; 873 } 874 return EINVAL; 875 876 case KDGETLED: /* get keyboard LED status */ 877 *data = scp->status & LED_MASK; 878 return 0; 879 880 case GETFKEY: /* get functionkey string */ 881 if (*(u_short*)data < n_fkey_tab) { 882 fkeyarg_t *ptr = (fkeyarg_t*)data; 883 bcopy(&fkey_tab[ptr->keynum].str, 884 ptr->keydef, 885 fkey_tab[ptr->keynum].len); 886 ptr->flen = fkey_tab[ptr->keynum].len; 887 return 0; 888 } 889 else 890 return EINVAL; 891 892 case SETFKEY: /* set functionkey string */ 893 if (*(u_short*)data < n_fkey_tab) { 894 fkeyarg_t *ptr = (fkeyarg_t*)data; 895 bcopy(ptr->keydef, 896 &fkey_tab[ptr->keynum].str, 897 min(ptr->flen, MAXFK)); 898 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 899 return 0; 900 } 901 else 902 return EINVAL; 903 904 case GIO_SCRNMAP: /* get output translation table */ 905 bcopy(&scr_map, data, sizeof(scr_map)); 906 return 0; 907 908 case PIO_SCRNMAP: /* set output translation table */ 909 bcopy(data, &scr_map, sizeof(scr_map)); 910 return 0; 911 912 case GIO_KEYMAP: /* get keyboard translation table */ 913 bcopy(&key_map, data, sizeof(key_map)); 914 return 0; 915 916 case PIO_KEYMAP: /* set keyboard translation table */ 917 bcopy(data, &key_map, sizeof(key_map)); 918 return 0; 919 920 case PIO_FONT8x8: /* set 8x8 dot font */ 921 if (!crtc_vga) 922 return ENXIO; 923 bcopy(data, &font_8x8, sizeof(font_8x8)); 924 load_font(1, 8, font_8x8); 925 return 0; 926 927 case GIO_FONT8x8: /* get 8x8 dot font */ 928 if (!crtc_vga) 929 return ENXIO; 930 bcopy(&font_8x8, data, sizeof(font_8x8)); 931 return 0; 932 933 case PIO_FONT8x14: /* set 8x14 dot font */ 934 if (!crtc_vga) 935 return ENXIO; 936 bcopy(data, &font_8x14, sizeof(font_8x14)); 937 load_font(2, 14, font_8x14); 938 return 0; 939 940 case GIO_FONT8x14: /* get 8x14 dot font */ 941 if (!crtc_vga) 942 return ENXIO; 943 bcopy(&font_8x14, data, sizeof(font_8x14)); 944 return 0; 945 946 case PIO_FONT8x16: /* set 8x16 dot font */ 947 if (!crtc_vga) 948 return ENXIO; 949 bcopy(data, &font_8x16, sizeof(font_8x16)); 950 load_font(0, 16, font_8x16); 951 return 0; 952 953 case GIO_FONT8x16: /* get 8x16 dot font */ 954 if (!crtc_vga) 955 return ENXIO; 956 bcopy(&font_8x16, data, sizeof(font_8x16)); 957 return 0; 958 959 case CONSOLE_X_MODE_ON: /* just to be compatible */ 960 if (saved_console < 0) { 961 saved_console = get_scr_num(); 962 switch_scr(minor(dev)); 963 fp = (frametype *)p->p_regs; 964 fp->eflags |= PSL_IOPL; 965 scp->status |= UNKNOWN_MODE; 966 scp->status |= KBD_RAW_MODE; 967 return 0; 968 } 969 return EAGAIN; 970 971 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 972 fp = (frametype *)p->p_regs; 973 fp->eflags &= ~PSL_IOPL; 974 if (crtc_vga) { 975 load_font(0, 16, font_8x16); 976 load_font(1, 8, font_8x8); 977 load_font(2, 14, font_8x14); 978 load_palette(); 979 } 980 scp->status &= ~UNKNOWN_MODE; 981 set_mode(scp); 982 clear_screen(scp); 983 scp->status &= ~KBD_RAW_MODE; 984 switch_scr(saved_console); 985 saved_console = -1; 986 return 0; 987 988 case CONSOLE_X_BELL: /* more compatibility */ 989 /* 990 * if set, data is a pointer to a length 2 array of 991 * integers. data[0] is the pitch in Hz and data[1] 992 * is the duration in msec. 993 */ 994 if (data) 995 sysbeep(TIMER_FREQ/((int*)data)[0], 996 ((int*)data)[1]*hz/3000); 997 else 998 sysbeep(scp->bell_pitch, scp->bell_duration); 999 return 0; 1000 1001 default: 1002 break; 1003 } 1004 1005 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 1006 if (error >= 0) 1007 return(error); 1008 error = ttioctl(tp, cmd, data, flag); 1009 if (error >= 0) 1010 return(error); 1011 return(ENOTTY); 1012} 1013 1014 1015void pcxint(dev_t dev) 1016{ 1017 struct tty *tp = get_tty_ptr(dev); 1018 1019 if (!tp) 1020 return; 1021 tp->t_state &= ~TS_BUSY; 1022 if (tp->t_line) 1023 (*linesw[tp->t_line].l_start)(tp); 1024 else 1025 pcstart(tp); 1026} 1027 1028 1029void pcstart(struct tty *tp) 1030{ 1031#if defined(NetBSD) 1032 struct clist *rbp; 1033 int i, s, len; 1034 u_char buf[PCBURST]; 1035 scr_stat *scp = get_scr_stat(tp->t_dev); 1036 1037 if (scp->status & SLKED) 1038 return; 1039 s = spltty(); 1040 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1041 tp->t_state |= TS_BUSY; 1042 splx(s); 1043 rbp = &tp->t_outq; 1044 len = q_to_b(rbp, buf, PCBURST); 1045 for (i=0; i<len; i++) 1046 if (buf[i]) ansi_put(scp, buf[i]); 1047 s = spltty(); 1048 tp->t_state &= ~TS_BUSY; 1049 if (rbp->c_cc) { 1050 tp->t_state |= TS_TIMEOUT; 1051 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1052 } 1053 if (rbp->c_cc <= tp->t_lowat) { 1054 if (tp->t_state & TS_ASLEEP) { 1055 tp->t_state &= ~TS_ASLEEP; 1056 wakeup((caddr_t)rbp); 1057 } 1058 selwakeup(&tp->t_wsel); 1059 } 1060 } 1061 splx(s); 1062 1063#else /* __FreeBSD__ & __386BSD__ */ 1064 1065 int c, s, len, i; 1066 scr_stat *scp = get_scr_stat(tp->t_dev); 1067 u_char buf[PCBURST]; 1068 1069 if (scp->status & SLKED) 1070 return; 1071 s = spltty(); 1072 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1073 for (;;) { 1074 if (RB_LEN(tp->t_out) <= tp->t_lowat) { 1075 if (tp->t_state & TS_ASLEEP) { 1076 tp->t_state &= ~TS_ASLEEP; 1077 wakeup((caddr_t)tp->t_out); 1078 } 1079 if (tp->t_wsel) { 1080 selwakeup(tp->t_wsel, 1081 tp->t_state & TS_WCOLL); 1082 tp->t_wsel = 0; 1083 tp->t_state &= ~TS_WCOLL; 1084 } 1085 } 1086 if (RB_LEN(tp->t_out) == 0) 1087 break; 1088 if (scp->status & SLKED) 1089 break; 1090 len = 0; 1091 while( len < PCBURST) { 1092 buf[len++] = getc(tp->t_out); 1093 if( RB_LEN(tp->t_out) == 0) 1094 break; 1095 } 1096 tp->t_state |= TS_BUSY; 1097 splx(s); 1098 for(i=0;i<len;i++) 1099 ansi_put(scp, buf[i]); 1100 s = spltty(); 1101 tp->t_state &= ~TS_BUSY; 1102 } 1103 tp->t_state |= TS_BUSY; 1104 if( in_putc == 0) { 1105 int i; 1106 for(i=0;i<console_buffer_count;i++) { 1107 scput(console_buffer[i]); 1108 } 1109 console_buffer_count = 0; 1110 } 1111 tp->t_state &= ~TS_BUSY; 1112 } 1113 splx(s); 1114#endif 1115} 1116 1117 1118void pccnprobe(struct consdev *cp) 1119{ 1120 int maj; 1121 1122 /* locate the major number */ 1123 for (maj = 0; maj < nchrdev; maj++) 1124 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1125 break; 1126 1127 /* initialize required fields */ 1128 cp->cn_dev = makedev(maj, NCONS); 1129 cp->cn_pri = CN_INTERNAL; 1130#if defined(__386BSD__) && !defined(__FreeBSD__) 1131 cp->cn_tp = CONSOLE_TTY; 1132#endif 1133} 1134 1135 1136void pccninit(struct consdev *cp) 1137{ 1138 scinit(); 1139} 1140 1141 1142void pccnputc(dev_t dev, char c) 1143{ 1144 if (c == '\n') 1145 scput('\r'); 1146 scput(c); 1147 if (cur_console == &console[0]) { 1148 int pos = cur_console->crtat - cur_console->crt_base; 1149 if (pos != cur_cursor_pos) { 1150 cur_cursor_pos = pos; 1151 outb(crtc_addr,14); 1152 outb(crtc_addr+1,pos >> 8); 1153 outb(crtc_addr,15); 1154 outb(crtc_addr+1,pos&0xff); 1155 } 1156 } 1157} 1158 1159 1160int pccngetc(dev_t dev) 1161{ 1162 int s = spltty(); /* block scintr while we poll */ 1163 int c = scgetc(0); 1164 splx(s); 1165 if (c == '\r') c = '\n'; 1166 return(c); 1167} 1168 1169static void none_saver(int test) 1170{ 1171} 1172 1173static void fade_saver(int test) 1174{ 1175 static int count = 0; 1176 int i; 1177 1178 if (test) { 1179 scrn_blanked = 1; 1180 if (count < 64) { 1181 outb(PIXMASK, 0xFF); /* no pixelmask */ 1182 outb(PALWADR, 0x00); 1183 outb(PALDATA, 0); 1184 outb(PALDATA, 0); 1185 outb(PALDATA, 0); 1186 for (i = 3; i < 768; i++) { 1187 if (palette[i] - count > 15) 1188 outb(PALDATA, palette[i]-count); 1189 else 1190 outb(PALDATA, 15); 1191 } 1192 inb(crtc_addr+6); /* reset flip/flop */ 1193 outb(ATC, 0x20); /* enable palette */ 1194 count++; 1195 } 1196 } 1197 else { 1198 count = scrn_blanked = 0; 1199 load_palette(); 1200 } 1201} 1202 1203static void blank_saver(int test) 1204{ 1205 u_char val; 1206 if (test) { 1207 scrn_blanked = 1; 1208 outb(TSIDX, 0x01); val = inb(TSREG); 1209 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1210 } 1211 else { 1212 scrn_blanked = 0; 1213 outb(TSIDX, 0x01); val = inb(TSREG); 1214 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1215 } 1216} 1217 1218static u_long rand_next = 1; 1219 1220static int rand() 1221{ 1222 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1223} 1224 1225/* 1226 * Alternate saver that got its inspiration from a well known utility 1227 * package for an unfamous OS. 1228 */ 1229 1230#define NUM_STARS 50 1231 1232static void star_saver(int test) 1233{ 1234 scr_stat *scp = cur_console; 1235 int cell, i; 1236 char pattern[] = {"...........++++*** "}; 1237 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1238 FG_WHITE, FG_LIGHTCYAN}; 1239 static u_short stars[NUM_STARS][2]; 1240 1241 if (test) { 1242 if (!scrn_blanked) { 1243 bcopy(Crtat, scp->scr_buf, 1244 scp->xsize * scp->ysize * 2); 1245 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1246 scp->xsize * scp->ysize); 1247 set_border(0); 1248 i = scp->ysize * scp->xsize + 5; 1249 outb(crtc_addr, 14); 1250 outb(crtc_addr+1, i >> 8); 1251 outb(crtc_addr, 15); 1252 outb(crtc_addr+1, i & 0xff); 1253 scrn_blanked = 1; 1254 for(i=0; i<NUM_STARS; i++) { 1255 stars[i][0] = 1256 rand() % (scp->xsize*scp->ysize); 1257 stars[i][1] = 0; 1258 } 1259 } 1260 cell = rand() % NUM_STARS; 1261 *((u_short*)(Crtat + stars[cell][0])) = 1262 scr_map[pattern[stars[cell][1]]] | 1263 colors[rand()%sizeof(colors)] << 8; 1264 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1265 stars[cell][0] = rand() % (scp->xsize*scp->ysize); 1266 stars[cell][1] = 0; 1267 } 1268 } 1269 else { 1270 if (scrn_blanked) { 1271 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1272 cur_cursor_pos = -1; 1273 set_border(scp->border); 1274 scrn_blanked = 0; 1275 } 1276 } 1277} 1278 1279 1280static void snake_saver(int test) 1281{ 1282 const char saves[] = {"FreeBSD"}; 1283 static u_char *savs[sizeof(saves)-1]; 1284 static int dirx, diry; 1285 int f; 1286 scr_stat *scp = cur_console; 1287 1288 if (test) { 1289 if (!scrn_blanked) { 1290 bcopy(Crtat, scp->scr_buf, 1291 scp->xsize * scp->ysize * 2); 1292 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1293 Crtat, scp->xsize * scp->ysize); 1294 set_border(0); 1295 dirx = (scp->xpos ? 1 : -1); 1296 diry = (scp->ypos ? 1297 scp->xsize : -scp->xsize); 1298 for (f=0; f< sizeof(saves)-1; f++) 1299 savs[f] = (u_char *)Crtat + 2 * 1300 (scp->xpos+scp->ypos*scp->xsize); 1301 *(savs[0]) = scr_map[*saves]; 1302 f = scp->ysize * scp->xsize + 5; 1303 outb(crtc_addr, 14); 1304 outb(crtc_addr+1, f >> 8); 1305 outb(crtc_addr, 15); 1306 outb(crtc_addr+1, f & 0xff); 1307 scrn_blanked = 1; 1308 } 1309 if (scrn_blanked++ < 4) 1310 return; 1311 scrn_blanked = 1; 1312 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1313 for (f=sizeof(saves)-2; f > 0; f--) 1314 savs[f] = savs[f-1]; 1315 f = (savs[0] - (u_char *)Crtat) / 2; 1316 if ((f % scp->xsize) == 0 || 1317 (f % scp->xsize) == scp->xsize - 1 || 1318 (rand() % 50) == 0) 1319 dirx = -dirx; 1320 if ((f / scp->xsize) == 0 || 1321 (f / scp->xsize) == scp->ysize - 1 || 1322 (rand() % 20) == 0) 1323 diry = -diry; 1324 savs[0] += 2*dirx + 2*diry; 1325 for (f=sizeof(saves)-2; f>=0; f--) 1326 *(savs[f]) = scr_map[saves[f]]; 1327 } 1328 else { 1329 if (scrn_blanked) { 1330 bcopy(scp->scr_buf, Crtat, 1331 scp->xsize * scp->ysize * 2); 1332 cur_cursor_pos = -1; 1333 set_border(scp->border); 1334 scrn_blanked = 0; 1335 } 1336 } 1337} 1338 1339static void cursor_shape(int start, int end) 1340{ 1341 outb(crtc_addr, 10); 1342 outb(crtc_addr+1, start & 0xFF); 1343 outb(crtc_addr, 11); 1344 outb(crtc_addr+1, end & 0xFF); 1345} 1346 1347 1348#if !defined(FAT_CURSOR) 1349static void get_cursor_shape(int *start, int *end) 1350{ 1351 outb(crtc_addr, 10); 1352 *start = inb(crtc_addr+1) & 0x1F; 1353 outb(crtc_addr, 11); 1354 *end = inb(crtc_addr+1) & 0x1F; 1355} 1356#endif 1357 1358 1359static void cursor_pos(int force) 1360{ 1361 int pos; 1362 1363 if (cur_console->status & UNKNOWN_MODE) 1364 return; 1365 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1366 SCRN_SAVER(1); 1367 pos = cur_console->crtat - cur_console->crt_base; 1368 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1369 cur_cursor_pos = pos; 1370 outb(crtc_addr, 14); 1371 outb(crtc_addr+1, pos>>8); 1372 outb(crtc_addr, 15); 1373 outb(crtc_addr+1, pos&0xff); 1374 } 1375 timeout((timeout_t)cursor_pos, 0, hz/20); 1376} 1377 1378 1379static void clear_screen(scr_stat *scp) 1380{ 1381 move_crsr(scp, 0, 0); 1382 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1383 scp->xsize * scp->ysize); 1384} 1385 1386 1387static int switch_scr(u_int next_scr) 1388{ 1389 if (in_putc) { /* delay switch if in putc */ 1390 delayed_next_scr = next_scr+1; 1391 return 0; 1392 } 1393 if (switch_in_progress && 1394 (cur_console->proc != pfind(cur_console->pid))) 1395 switch_in_progress = 0; 1396 1397 if (next_scr >= NCONS || switch_in_progress) { 1398 sysbeep(BELL_PITCH, BELL_DURATION); 1399 return EINVAL; 1400 } 1401 1402 /* is the wanted virtual console open ? */ 1403 if (next_scr) { 1404 struct tty *tp = VIRTUAL_TTY(next_scr); 1405 if (!(tp->t_state & TS_ISOPEN)) { 1406 sysbeep(BELL_PITCH, BELL_DURATION); 1407 return EINVAL; 1408 } 1409 } 1410 1411 switch_in_progress = 1; 1412 old_scp = cur_console; 1413 new_scp = &console[next_scr]; 1414 wakeup((caddr_t)&new_scp->smode); 1415 if (new_scp == old_scp) { 1416 switch_in_progress = 0; 1417 return 0; 1418 } 1419 1420 /* has controlling process died? */ 1421 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1422 old_scp->smode.mode = VT_AUTO; 1423 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1424 new_scp->smode.mode = VT_AUTO; 1425 1426 /* check the modes and switch approbiatly */ 1427 if (old_scp->smode.mode == VT_PROCESS) { 1428 old_scp->status |= SWITCH_WAIT_REL; 1429 psignal(old_scp->proc, old_scp->smode.relsig); 1430 } 1431 else { 1432 exchange_scr(); 1433 if (new_scp->smode.mode == VT_PROCESS) { 1434 new_scp->status |= SWITCH_WAIT_ACQ; 1435 psignal(new_scp->proc, new_scp->smode.acqsig); 1436 } 1437 else 1438 switch_in_progress = 0; 1439 } 1440 return 0; 1441} 1442 1443 1444static void exchange_scr(void) 1445{ 1446 struct tty *tp; 1447 1448 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1449 old_scp->crt_base = old_scp->scr_buf; 1450 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1451 cur_console = new_scp; 1452 set_mode(new_scp); 1453 new_scp->crt_base = Crtat; 1454 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1455 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1456 update_leds(new_scp->status); 1457 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1458 load_font(0, 16, font_8x16); 1459 load_font(1, 8, font_8x8); 1460 load_font(2, 14, font_8x14); 1461 load_palette(); 1462 } 1463 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1464 shfts = ctls = alts = agrs = metas = 0; 1465 delayed_next_scr = 0; 1466} 1467 1468 1469static void move_crsr(scr_stat *scp, int x, int y) 1470{ 1471 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1472 return; 1473 scp->xpos = x; 1474 scp->ypos = y; 1475 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1476} 1477 1478static void move_up(u_short *s, u_short *d, u_int len) 1479{ 1480 s += len; 1481 d += len; 1482 while (len-- > 0) 1483 *--d = *--s; 1484} 1485 1486static void move_down(u_short *s, u_short *d, u_int len) 1487{ 1488 while (len-- > 0) 1489 *d++ = *s++; 1490} 1491 1492static void scan_esc(scr_stat *scp, u_char c) 1493{ 1494 static u_char ansi_col[16] = 1495 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1496 int i, n; 1497 u_short *src, *dst, count; 1498 1499 if (scp->term.esc == 1) { 1500 switch (c) { 1501 1502 case '[': /* Start ESC [ sequence */ 1503 scp->term.esc = 2; 1504 scp->term.last_param = -1; 1505 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1506 scp->term.param[i] = 1; 1507 scp->term.num_param = 0; 1508 return; 1509 1510 case 'M': /* Move cursor up 1 line, scroll if at top */ 1511 if (scp->ypos > 0) 1512 move_crsr(scp, scp->xpos, scp->ypos - 1); 1513 else { 1514 move_up(scp->crt_base, 1515 scp->crt_base + scp->xsize, 1516 (scp->ysize - 1) * scp->xsize); 1517 fillw(scp->term.cur_attr | scr_map[0x20], 1518 scp->crt_base, scp->xsize); 1519 } 1520 break; 1521#if notyet 1522 case 'Q': 1523 scp->term.esc = 4; 1524 break; 1525#endif 1526 case 'c': /* Clear screen & home */ 1527 clear_screen(scp); 1528 break; 1529 } 1530 } 1531 else if (scp->term.esc == 2) { 1532 if (c >= '0' && c <= '9') { 1533 if (scp->term.num_param < MAX_ESC_PAR) { 1534 if (scp->term.last_param != scp->term.num_param) { 1535 scp->term.last_param = scp->term.num_param; 1536 scp->term.param[scp->term.num_param] = 0; 1537 } 1538 else 1539 scp->term.param[scp->term.num_param] *= 10; 1540 scp->term.param[scp->term.num_param] += c - '0'; 1541 return; 1542 } 1543 } 1544 scp->term.num_param = scp->term.last_param + 1; 1545 switch (c) { 1546 1547 case ';': 1548 if (scp->term.num_param < MAX_ESC_PAR) 1549 return; 1550 break; 1551 1552 case '=': 1553 scp->term.esc = 3; 1554 scp->term.last_param = -1; 1555 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1556 scp->term.param[i] = 1; 1557 scp->term.num_param = 0; 1558 return; 1559 1560 case 'A': /* up n rows */ 1561 n = scp->term.param[0]; if (n < 1) n = 1; 1562 move_crsr(scp, scp->xpos, scp->ypos - n); 1563 break; 1564 1565 case 'B': /* down n rows */ 1566 n = scp->term.param[0]; if (n < 1) n = 1; 1567 move_crsr(scp, scp->xpos, scp->ypos + n); 1568 break; 1569 1570 case 'C': /* right n columns */ 1571 n = scp->term.param[0]; if (n < 1) n = 1; 1572 move_crsr(scp, scp->xpos + n, scp->ypos); 1573 break; 1574 1575 case 'D': /* left n columns */ 1576 n = scp->term.param[0]; if (n < 1) n = 1; 1577 move_crsr(scp, scp->xpos - n, scp->ypos); 1578 break; 1579 1580 case 'E': /* cursor to start of line n lines down */ 1581 n = scp->term.param[0]; if (n < 1) n = 1; 1582 move_crsr(scp, 0, scp->ypos + n); 1583 break; 1584 1585 case 'F': /* cursor to start of line n lines up */ 1586 n = scp->term.param[0]; if (n < 1) n = 1; 1587 move_crsr(scp, 0, scp->ypos - n); 1588 break; 1589 1590 case 'f': /* System V consoles .. */ 1591 case 'H': /* Cursor move */ 1592 if (scp->term.num_param == 0) 1593 move_crsr(scp, 0, 0); 1594 else if (scp->term.num_param == 2) 1595 move_crsr(scp, scp->term.param[1] - 1, 1596 scp->term.param[0] - 1); 1597 break; 1598 1599 case 'J': /* Clear all or part of display */ 1600 if (scp->term.num_param == 0) 1601 n = 0; 1602 else 1603 n = scp->term.param[0]; 1604 switch (n) { 1605 case 0: /* clear form cursor to end of display */ 1606 fillw(scp->term.cur_attr | scr_map[0x20], 1607 scp->crtat, scp->crt_base + 1608 scp->xsize * scp->ysize - 1609 scp->crtat); 1610 break; 1611 case 1: /* clear from beginning of display to cursor */ 1612 fillw(scp->term.cur_attr | scr_map[0x20], 1613 scp->crt_base, 1614 scp->crtat - scp->crt_base); 1615 break; 1616 case 2: /* clear entire display */ 1617 clear_screen(scp); 1618 break; 1619 } 1620 break; 1621 1622 case 'K': /* Clear all or part of line */ 1623 if (scp->term.num_param == 0) 1624 n = 0; 1625 else 1626 n = scp->term.param[0]; 1627 switch (n) { 1628 case 0: /* clear form cursor to end of line */ 1629 fillw(scp->term.cur_attr | scr_map[0x20], 1630 scp->crtat, scp->xsize - scp->xpos); 1631 break; 1632 case 1: /* clear from beginning of line to cursor */ 1633 fillw(scp->term.cur_attr|scr_map[0x20], 1634 scp->crtat - (scp->xsize - scp->xpos), 1635 (scp->xsize - scp->xpos) + 1); 1636 break; 1637 case 2: /* clear entire line */ 1638 fillw(scp->term.cur_attr|scr_map[0x20], 1639 scp->crtat - (scp->xsize - scp->xpos), 1640 scp->xsize); 1641 break; 1642 } 1643 break; 1644 1645 case 'L': /* Insert n lines */ 1646 n = scp->term.param[0]; if (n < 1) n = 1; 1647 if (n > scp->ysize - scp->ypos) 1648 n = scp->ysize - scp->ypos; 1649 src = scp->crt_base + scp->ypos * scp->xsize; 1650 dst = src + n * scp->xsize; 1651 count = scp->ysize - (scp->ypos + n); 1652 move_up(src, dst, count * scp->xsize); 1653 fillw(scp->term.cur_attr | scr_map[0x20], src, 1654 n * scp->xsize); 1655 break; 1656 1657 case 'M': /* Delete n lines */ 1658 n = scp->term.param[0]; if (n < 1) n = 1; 1659 if (n > scp->ysize - scp->ypos) 1660 n = scp->ysize - scp->ypos; 1661 dst = scp->crt_base + scp->ypos * scp->xsize; 1662 src = dst + n * scp->xsize; 1663 count = scp->ysize - (scp->ypos + n); 1664 move_down(src, dst, count * scp->xsize); 1665 src = dst + count * scp->xsize; 1666 fillw(scp->term.cur_attr | scr_map[0x20], src, 1667 n * scp->xsize); 1668 break; 1669 1670 case 'P': /* Delete n chars */ 1671 n = scp->term.param[0]; if (n < 1) n = 1; 1672 if (n > scp->xsize - scp->xpos) 1673 n = scp->xsize - scp->xpos; 1674 dst = scp->crtat; 1675 src = dst + n; 1676 count = scp->xsize - (scp->xpos + n); 1677 move_down(src, dst, count); 1678 src = dst + count; 1679 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1680 break; 1681 1682 case '@': /* Insert n chars */ 1683 n = scp->term.param[0]; if (n < 1) n = 1; 1684 if (n > scp->xsize - scp->xpos) 1685 n = scp->xsize - scp->xpos; 1686 src = scp->crtat; 1687 dst = src + n; 1688 count = scp->xsize - (scp->xpos + n); 1689 move_up(src, dst, count); 1690 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1691 break; 1692 1693 case 'S': /* scroll up n lines */ 1694 n = scp->term.param[0]; if (n < 1) n = 1; 1695 bcopy(scp->crt_base + (scp->xsize * n), 1696 scp->crt_base, 1697 scp->xsize * (scp->ysize - n) * 1698 sizeof(u_short)); 1699 fillw(scp->term.cur_attr | scr_map[0x20], 1700 scp->crt_base + scp->xsize * 1701 (scp->ysize - 1), 1702 scp->xsize); 1703 break; 1704 1705 case 'T': /* scroll down n lines */ 1706 n = scp->term.param[0]; if (n < 1) n = 1; 1707 bcopy(scp->crt_base, 1708 scp->crt_base + (scp->xsize * n), 1709 scp->xsize * (scp->ysize - n) * 1710 sizeof(u_short)); 1711 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1712 scp->xsize); 1713 break; 1714 1715 case 'X': /* delete n characters in line */ 1716 n = scp->term.param[0]; if (n < 1) n = 1; 1717 fillw(scp->term.cur_attr | scr_map[0x20], 1718 scp->crt_base + scp->xpos + 1719 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1720 break; 1721 1722 case 'Z': /* move n tabs backwards */ 1723 n = scp->term.param[0]; if (n < 1) n = 1; 1724 if ((i = scp->xpos & 0xf8) == scp->xpos) 1725 i -= 8*n; 1726 else 1727 i -= 8*(n-1); 1728 if (i < 0) 1729 i = 0; 1730 move_crsr(scp, i, scp->ypos); 1731 break; 1732 1733 case '`': /* move cursor to column n */ 1734 n = scp->term.param[0]; if (n < 1) n = 1; 1735 move_crsr(scp, n, scp->ypos); 1736 break; 1737 1738 case 'a': /* move cursor n columns to the right */ 1739 n = scp->term.param[0]; if (n < 1) n = 1; 1740 move_crsr(scp, scp->xpos + n, scp->ypos); 1741 break; 1742 1743 case 'd': /* move cursor to row n */ 1744 n = scp->term.param[0]; if (n < 1) n = 1; 1745 move_crsr(scp, scp->xpos, n); 1746 break; 1747 1748 case 'e': /* move cursor n rows down */ 1749 n = scp->term.param[0]; if (n < 1) n = 1; 1750 move_crsr(scp, scp->xpos, scp->ypos + n); 1751 break; 1752 1753 case 'm': /* change attribute */ 1754 if (scp->term.num_param == 0) 1755 n = 0; 1756 else 1757 n = scp->term.param[0]; 1758 switch (n) { 1759 case 0: /* back to normal */ 1760 scp->term.cur_attr = scp->term.std_attr; 1761 break; 1762 case 1: /* highlight (bold) */ 1763 scp->term.cur_attr &= 0xFF00; 1764 scp->term.cur_attr |= 0x0800; 1765 break; 1766 case 4: /* highlight (underline) */ 1767 scp->term.cur_attr &= 0x0F00; 1768 scp->term.cur_attr |= 0x0800; 1769 break; 1770 case 5: /* blink */ 1771 scp->term.cur_attr &= 0xFF00; 1772 scp->term.cur_attr |= 0x8000; 1773 break; 1774 case 7: /* reverse video */ 1775 scp->term.cur_attr = scp->term.rev_attr; 1776 break; 1777 case 30: case 31: case 32: case 33: /* set fg color */ 1778 case 34: case 35: case 36: case 37: 1779 scp->term.cur_attr = (scp->term.cur_attr & 0xF0FF) 1780 | (ansi_col[(n - 30) & 7] << 8); 1781 break; 1782 case 40: case 41: case 42: case 43: /* set bg color */ 1783 case 44: case 45: case 46: case 47: 1784 scp->term.cur_attr = (scp->term.cur_attr & 0x0FFF) 1785 | (ansi_col[(n - 40) & 7] << 12); 1786 break; 1787 } 1788 break; 1789 1790 case 'x': 1791 if (scp->term.num_param == 0) 1792 n = 0; 1793 else 1794 n = scp->term.param[0]; 1795 switch (n) { 1796 case 0: /* reset attributes */ 1797 scp->term.cur_attr = scp->term.std_attr = 1798 current_default->std_attr; 1799 scp->term.rev_attr = current_default->rev_attr; 1800 break; 1801 case 1: /* set ansi background */ 1802 scp->term.cur_attr = scp->term.std_attr = 1803 (scp->term.std_attr & 0x0F00) | 1804 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1805 break; 1806 case 2: /* set ansi foreground */ 1807 scp->term.cur_attr = scp->term.std_attr = 1808 (scp->term.std_attr & 0xF000) | 1809 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1810 break; 1811 case 3: /* set ansi attribute directly */ 1812 scp->term.cur_attr = scp->term.std_attr = 1813 (scp->term.param[1]&0xFF)<<8; 1814 break; 1815 case 5: /* set ansi reverse video background */ 1816 scp->term.rev_attr = 1817 (scp->term.rev_attr & 0x0F00) | 1818 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1819 break; 1820 case 6: /* set ansi reverse video foreground */ 1821 scp->term.rev_attr = 1822 (scp->term.rev_attr & 0xF000) | 1823 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1824 break; 1825 case 7: /* set ansi reverse video directly */ 1826 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1827 break; 1828 } 1829 break; 1830 1831 case 'z': /* switch to (virtual) console n */ 1832 if (scp->term.num_param == 1) 1833 switch_scr(scp->term.param[0]); 1834 break; 1835 } 1836 } 1837 else if (scp->term.esc == 3) { 1838 if (c >= '0' && c <= '9') { 1839 if (scp->term.num_param < MAX_ESC_PAR) { 1840 if (scp->term.last_param != scp->term.num_param) { 1841 scp->term.last_param = scp->term.num_param; 1842 scp->term.param[scp->term.num_param] = 0; 1843 } 1844 else 1845 scp->term.param[scp->term.num_param] *= 10; 1846 scp->term.param[scp->term.num_param] += c - '0'; 1847 return; 1848 } 1849 } 1850 scp->term.num_param = scp->term.last_param + 1; 1851 switch (c) { 1852 1853 case ';': 1854 if (scp->term.num_param < MAX_ESC_PAR) 1855 return; 1856 break; 1857 1858 case 'A': /* set display border color */ 1859 if (scp->term.num_param == 1) 1860 scp->border=scp->term.param[0] & 0xff; 1861 if (scp == cur_console) 1862 set_border(scp->border); 1863 break; 1864 1865 case 'B': /* set bell pitch and duration */ 1866 if (scp->term.num_param == 2) { 1867 scp->bell_pitch = scp->term.param[0]; 1868 scp->bell_duration = scp->term.param[1]*10; 1869 } 1870 break; 1871 1872 case 'C': /* set cursor shape (start & end line) */ 1873 if (scp->term.num_param == 2) { 1874 scp->cursor_start = scp->term.param[0] & 0x1F; 1875 scp->cursor_end = scp->term.param[1] & 0x1F; 1876 if (scp == cur_console) 1877 cursor_shape(scp->cursor_start, 1878 scp->cursor_end); 1879 } 1880 break; 1881 1882 case 'F': /* set ansi foreground */ 1883 if (scp->term.num_param == 1) 1884 scp->term.cur_attr = scp->term.std_attr = 1885 (scp->term.std_attr & 0xF000) 1886 | ((scp->term.param[0] & 0x0F) << 8); 1887 break; 1888 1889 case 'G': /* set ansi background */ 1890 if (scp->term.num_param == 1) 1891 scp->term.cur_attr = scp->term.std_attr = 1892 (scp->term.std_attr & 0x0F00) 1893 | ((scp->term.param[0] & 0x0F) << 12); 1894 break; 1895 1896 case 'H': /* set ansi reverse video foreground */ 1897 if (scp->term.num_param == 1) 1898 scp->term.rev_attr = 1899 (scp->term.rev_attr & 0xF000) 1900 | ((scp->term.param[0] & 0x0F) << 8); 1901 break; 1902 1903 case 'I': /* set ansi reverse video background */ 1904 if (scp->term.num_param == 1) 1905 scp->term.rev_attr = 1906 (scp->term.rev_attr & 0x0F00) 1907 | ((scp->term.param[0] & 0x0F) << 12); 1908 break; 1909 } 1910 } 1911 scp->term.esc = 0; 1912} 1913 1914 1915static void ansi_put(scr_stat *scp, u_char c) 1916{ 1917 if (scp->status & UNKNOWN_MODE) 1918 return; 1919 1920 /* make screensaver happy */ 1921 if (scp == cur_console) { 1922 scrn_time_stamp = time.tv_sec; 1923 if (scrn_blanked) 1924 SCRN_SAVER(0); 1925 } 1926 in_putc++; 1927 if (scp->term.esc) 1928 scan_esc(scp, c); 1929 else switch(c) { 1930 case 0x1B: /* start escape sequence */ 1931 scp->term.esc = 1; 1932 scp->term.num_param = 0; 1933 break; 1934 case 0x07: 1935 if (scp == cur_console) 1936 sysbeep(scp->bell_pitch, scp->bell_duration); 1937 break; 1938 case '\t': /* non-destructive tab */ 1939 scp->crtat += (8 - scp->xpos % 8); 1940 scp->xpos += (8 - scp->xpos % 8); 1941 break; 1942 case '\b': /* non-destructive backspace */ 1943 if (scp->crtat > scp->crt_base) { 1944 scp->crtat--; 1945 if (scp->xpos > 0) 1946 scp->xpos--; 1947 else { 1948 scp->xpos += scp->xsize - 1; 1949 scp->ypos--; 1950 } 1951 } 1952 break; 1953 case '\r': /* return to pos 0 */ 1954 move_crsr(scp, 0, scp->ypos); 1955 break; 1956 case '\n': /* newline, same pos */ 1957 scp->crtat += scp->xsize; 1958 scp->ypos++; 1959 break; 1960 case '\f': /* form feed, clears screen */ 1961 clear_screen(scp); 1962 break; 1963 default: 1964 /* Print only printables */ 1965 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 1966 scp->crtat++; 1967 if (++scp->xpos >= scp->xsize) { 1968 scp->xpos = 0; 1969 scp->ypos++; 1970 } 1971 break; 1972 } 1973 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 1974 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 1975 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1976 fillw(scp->term.cur_attr | scr_map[0x20], 1977 scp->crt_base + scp->xsize * (scp->ysize - 1), 1978 scp->xsize); 1979 scp->crtat -= scp->xsize; 1980 scp->ypos--; 1981 } 1982 in_putc--; 1983 if (delayed_next_scr) 1984 switch_scr(delayed_next_scr - 1); 1985} 1986 1987static void scinit(void) 1988{ 1989 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1990 unsigned cursorat; 1991 int i; 1992 1993 /* 1994 * catch that once in a blue moon occurence when scinit is called 1995 * TWICE, adding the CGA_BUF offset again -> poooff 1996 */ 1997 if (crtat != 0) 1998 return; 1999 /* 2000 * Crtat initialized to point to MONO buffer, if not present change 2001 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 2002 * in the remapped offset at the "right" time 2003 */ 2004 was = *cp; 2005 *cp = (u_short) 0xA55A; 2006 if (*cp != 0xA55A) { 2007 crtc_addr = MONO_BASE; 2008 } else { 2009 *cp = was; 2010 crtc_addr = COLOR_BASE; 2011 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2012 } 2013 2014 /* Extract cursor location */ 2015 outb(crtc_addr,14); 2016 cursorat = inb(crtc_addr+1)<<8 ; 2017 outb(crtc_addr,15); 2018 cursorat |= inb(crtc_addr+1); 2019 crtat = Crtat + cursorat; 2020 2021 /* is this a VGA or higher ? */ 2022 outb(crtc_addr, 7); 2023 if (inb(crtc_addr) == 7) 2024 crtc_vga = 1; 2025 2026 current_default = &user_default; 2027 console[0].crtat = crtat; 2028 console[0].crt_base = Crtat; 2029 console[0].term.esc = 0; 2030 console[0].term.std_attr = current_default->std_attr; 2031 console[0].term.rev_attr = current_default->rev_attr; 2032 console[0].term.cur_attr = current_default->std_attr; 2033 console[0].xpos = cursorat % COL; 2034 console[0].ypos = cursorat / COL; 2035 console[0].border = BG_BLACK;; 2036 console[0].xsize = COL; 2037 console[0].ysize = ROW; 2038 console[0].status = 0; 2039 console[0].pid = 0; 2040 console[0].proc = NULL; 2041 console[0].smode.mode = VT_AUTO; 2042 console[0].bell_pitch = BELL_PITCH; 2043 console[0].bell_duration = BELL_DURATION; 2044 kernel_console.esc = 0; 2045 kernel_console.std_attr = kernel_default.std_attr; 2046 kernel_console.rev_attr = kernel_default.rev_attr; 2047 kernel_console.cur_attr = kernel_default.std_attr; 2048 /* initialize mapscrn array to a one to one map */ 2049 for (i=0; i<sizeof(scr_map); i++) 2050 scr_map[i] = i; 2051 clear_screen(&console[0]); 2052} 2053 2054 2055static void scput(u_char c) 2056{ 2057 scr_stat *scp = &console[0]; 2058 term_stat save; 2059 2060 if (crtat == 0) 2061 scinit(); 2062 if( in_putc == 0) { 2063 ++in_putc; 2064 save = scp->term; 2065 scp->term = kernel_console; 2066 current_default = &kernel_default; 2067 ansi_put(scp, c); 2068 kernel_console = scp->term; 2069 current_default = &user_default; 2070 scp->term = save; 2071 --in_putc; 2072 } else { 2073 if( console_buffer_count < CONSOLE_BUFFER_SIZE) 2074 console_buffer[console_buffer_count++] = c; 2075 } 2076} 2077 2078 2079static u_char *get_fstr(u_int c, u_int *len) 2080{ 2081 u_int i; 2082 2083 if (!(c & FKEY)) 2084 return(NULL); 2085 i = (c & 0xFF) - F_FN; 2086 if (i > n_fkey_tab) 2087 return(NULL); 2088 *len = fkey_tab[i].len; 2089 return(fkey_tab[i].str); 2090} 2091 2092 2093static void update_leds(int which) 2094{ 2095 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2096 2097 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2098 if (key_map.n_keys > ALTGR_OFFSET) { 2099 if (which & ALKED) 2100 which |= CLKED; 2101 else 2102 which &= ~CLKED; 2103 } 2104 kbd_cmd2(KB_SETLEDS, xlate_leds[which & LED_MASK]); 2105} 2106 2107 2108/* 2109 * scgetc(noblock) : get a character from the keyboard. 2110 * If noblock = 0 wait until a key is gotten. Otherwise return NOKEY. 2111 */ 2112u_int scgetc(int noblock) 2113{ 2114 u_char val, code, release; 2115 u_int state, action; 2116 struct key_t *key; 2117 static u_char esc_flag = 0, compose = 0; 2118 static u_int chr = 0; 2119 2120next_code: 2121 kbd_wait(); 2122 /* First see if there is something in the keyboard port */ 2123 if (inb(KB_STAT) & KB_BUF_FULL) 2124 val = inb(KB_DATA); 2125 else if (noblock) 2126 return(NOKEY); 2127 else 2128 goto next_code; 2129 2130 if (cur_console->status & KBD_RAW_MODE) 2131 return val; 2132 2133 code = val & 0x7F; 2134 release = val & 0x80; 2135 2136 switch (esc_flag) { 2137 case 0x00: /* normal scancode */ 2138 switch(code) { 2139 case 0x38: /* left alt (compose key) */ 2140 if (release && compose) { 2141 compose = 0; 2142 if (chr > 255) { 2143 sysbeep(BELL_PITCH, BELL_DURATION); 2144 chr = 0; 2145 } 2146 } 2147 else { 2148 if (!compose) { 2149 compose = 1; 2150 chr = 0; 2151 } 2152 } 2153 break; 2154 case 0x60: 2155 case 0x61: 2156 esc_flag = code; 2157 goto next_code; 2158 } 2159 break; 2160 case 0x60: /* 0xE0 prefix */ 2161 esc_flag = 0; 2162 switch (code) { 2163 case 0x1c: /* right enter key */ 2164 code = 0x59; 2165 break; 2166 case 0x1d: /* right ctrl key */ 2167 code = 0x5a; 2168 break; 2169 case 0x35: /* keypad divide key */ 2170 code = 0x5b; 2171 break; 2172 case 0x37: /* print scrn key */ 2173 code = 0x5c; 2174 break; 2175 case 0x38: /* right alt key (alt gr) */ 2176 code = 0x5d; 2177 break; 2178 case 0x47: /* grey home key */ 2179 code = 0x5e; 2180 break; 2181 case 0x48: /* grey up arrow key */ 2182 code = 0x5f; 2183 break; 2184 case 0x49: /* grey page up key */ 2185 code = 0x60; 2186 break; 2187 case 0x4b: /* grey left arrow key */ 2188 code = 0x61; 2189 break; 2190 case 0x4d: /* grey right arrow key */ 2191 code = 0x62; 2192 break; 2193 case 0x4f: /* grey end key */ 2194 code = 0x63; 2195 break; 2196 case 0x50: /* grey down arrow key */ 2197 code = 0x64; 2198 break; 2199 case 0x51: /* grey page down key */ 2200 code = 0x65; 2201 break; 2202 case 0x52: /* grey insert key */ 2203 code = 0x66; 2204 break; 2205 case 0x53: /* grey delete key */ 2206 code = 0x67; 2207 break; 2208 default: /* ignore everything else */ 2209 goto next_code; 2210 } 2211 break; 2212 case 0x61: /* 0xE1 prefix */ 2213 esc_flag = 0; 2214 if (code == 0x1D) 2215 esc_flag = 0x1D; 2216 goto next_code; 2217 /* NOT REACHED */ 2218 case 0x1D: /* pause / break */ 2219 esc_flag = 0; 2220 if (code != 0x45) 2221 goto next_code; 2222 code = 0x68; 2223 break; 2224 } 2225 2226 if (compose) { 2227 switch (code) { 2228 case 0x47: 2229 case 0x48: /* keypad 7,8,9 */ 2230 case 0x49: 2231 if (!release) 2232 chr = (code - 0x40) + chr*10; 2233 goto next_code; 2234 case 0x4b: 2235 case 0x4c: /* keypad 4,5,6 */ 2236 case 0x4d: 2237 if (!release) 2238 chr = (code - 0x47) + chr*10; 2239 goto next_code; 2240 case 0x4f: 2241 case 0x50: /* keypad 1,2,3 */ 2242 case 0x51: 2243 if (!release) 2244 chr = (code - 0x4e) + chr*10; 2245 goto next_code; 2246 case 0x52: /* keypad 0 */ 2247 if (!release) 2248 chr *= 10; 2249 goto next_code; 2250 case 0x38: /* left alt key */ 2251 break; 2252 default: 2253 if (chr) { 2254 compose = chr = 0; 2255 sysbeep(BELL_PITCH, BELL_DURATION); 2256 goto next_code; 2257 } 2258 break; 2259 } 2260 } 2261 2262 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2263 if ((!agrs && (cur_console->status & ALKED)) 2264 || (agrs && !(cur_console->status & ALKED))) 2265 code += ALTGR_OFFSET; 2266 key = &key_map.key[code]; 2267 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2268 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2269 state ^= 1; 2270 2271 /* Check for make/break */ 2272 action = key->map[state]; 2273 if (release) { /* key released */ 2274 if (key->spcl & 0x80) { 2275 switch (action) { 2276 case LSH: 2277 shfts &= ~1; 2278 break; 2279 case RSH: 2280 shfts &= ~2; 2281 break; 2282 case LCTR: 2283 ctls &= ~1; 2284 break; 2285 case RCTR: 2286 ctls &= ~2; 2287 break; 2288 case LALT: 2289 alts &= ~1; 2290 break; 2291 case RALT: 2292 alts &= ~2; 2293 break; 2294 case NLK: 2295 nlkcnt = 0; 2296 break; 2297 case CLK: 2298 clkcnt = 0; 2299 break; 2300 case SLK: 2301 slkcnt = 0; 2302 break; 2303 case ASH: 2304 agrs = 0; 2305 break; 2306 case ALK: 2307 alkcnt = 0; 2308 break; 2309 case META: 2310 metas = 0; 2311 break; 2312 } 2313 } 2314 if (chr && !compose) { 2315 action = chr; 2316 chr = 0; 2317 return(action); 2318 } 2319 } else { 2320 /* key pressed */ 2321 if (key->spcl & (0x80>>state)) { 2322 switch (action) { 2323 /* LOCKING KEYS */ 2324 case NLK: 2325 if (!nlkcnt) { 2326 nlkcnt++; 2327 if (cur_console->status & NLKED) 2328 cur_console->status &= ~NLKED; 2329 else 2330 cur_console->status |= NLKED; 2331 update_leds(cur_console->status); 2332 } 2333 break; 2334 case CLK: 2335 if (!clkcnt) { 2336 clkcnt++; 2337 if (cur_console->status & CLKED) 2338 cur_console->status &= ~CLKED; 2339 else 2340 cur_console->status |= CLKED; 2341 update_leds(cur_console->status); 2342 } 2343 break; 2344 case SLK: 2345 if (!slkcnt) { 2346 slkcnt++; 2347 if (cur_console->status & SLKED) { 2348 cur_console->status &= ~SLKED; 2349 pcstart(VIRTUAL_TTY(get_scr_num())); 2350 } 2351 else 2352 cur_console->status |= SLKED; 2353 update_leds(cur_console->status); 2354 } 2355 break; 2356 case ALK: 2357 if (!alkcnt) { 2358 alkcnt++; 2359 if (cur_console->status & ALKED) 2360 cur_console->status &= ~ALKED; 2361 else 2362 cur_console->status |= ALKED; 2363 update_leds(cur_console->status); 2364 } 2365 break; 2366 2367 /* NON-LOCKING KEYS */ 2368 case NOP: 2369 break; 2370 case RBT: 2371#if defined(__FreeBSD__) 2372 shutdown_nice(); 2373#else 2374 cpu_reset(); 2375#endif 2376 break; 2377 case DBG: 2378#if DDB > 0 /* try to switch to console 0 */ 2379 if (cur_console->smode.mode == VT_AUTO && 2380 console[0].smode.mode == VT_AUTO) 2381 switch_scr(0); 2382 Debugger("manual escape to debugger"); 2383 return(NOKEY); 2384#else 2385 printf("No debugger in kernel\n"); 2386#endif 2387 break; 2388 case LSH: 2389 shfts |= 1; 2390 break; 2391 case RSH: 2392 shfts |= 2; 2393 break; 2394 case LCTR: 2395 ctls |= 1; 2396 break; 2397 case RCTR: 2398 ctls |= 2; 2399 break; 2400 case LALT: 2401 alts |= 1; 2402 break; 2403 case RALT: 2404 alts |= 2; 2405 break; 2406 case ASH: 2407 agrs = 1; 2408 break; 2409 case META: 2410 metas = 1; 2411 break; 2412 case NEXT: 2413 switch_scr((get_scr_num()+1)%NCONS); 2414 break; 2415 default: 2416 if (action >= F_SCR && action <= L_SCR) { 2417 switch_scr(action - F_SCR); 2418 break; 2419 } 2420 if (action >= F_FN && action <= L_FN) 2421 action |= FKEY; 2422 return(action); 2423 } 2424 } 2425 else { 2426 if (metas) 2427 action |= MKEY; 2428 return(action); 2429 } 2430 } 2431 goto next_code; 2432} 2433 2434 2435int getchar(void) 2436{ 2437 u_char thechar; 2438 int s; 2439 2440 polling = 1; 2441 s = splhigh(); 2442 scput('>'); 2443 thechar = (u_char) scgetc(0); 2444 polling = 0; 2445 splx(s); 2446 switch (thechar) { 2447 default: 2448 if (thechar >= scr_map[0x20]) 2449 scput(thechar); 2450 return(thechar); 2451 case cr: 2452 case lf: 2453 scput(cr); scput(lf); 2454 return(lf); 2455 case bs: 2456 case del: 2457 scput(bs); scput(scr_map[0x20]); scput(bs); 2458 return(thechar); 2459 case cntld: 2460 scput('^'); scput('D'); scput('\r'); scput('\n'); 2461 return(0); 2462 } 2463} 2464 2465 2466u_int sgetc(int noblock) 2467{ 2468 return (scgetc(noblock) & 0xff); 2469} 2470 2471int pcmmap(dev_t dev, int offset, int nprot) 2472{ 2473 if (offset > 0x20000) 2474 return EINVAL; 2475 return i386_btop((VIDEOMEM + offset)); 2476} 2477 2478 2479static void kbd_wait(void) 2480{ 2481 int i; 2482 2483 for (i=0; i<1000; i++) { /* up to 10 msec */ 2484 if ((inb(KB_STAT) & KB_READY) == 0) 2485 break; 2486 DELAY (10); 2487 } 2488} 2489 2490 2491static void kbd_cmd(u_char command) 2492{ 2493 kbd_wait(); 2494 outb(KB_DATA, command); 2495} 2496 2497 2498static void kbd_cmd2(u_char command, u_char arg) 2499{ 2500 int r, s = spltty(); 2501 do { 2502 kbd_cmd(command); 2503 r = kbd_reply(); 2504 if (r == KB_ACK) { 2505 kbd_cmd(arg & 0x7f); 2506 r = kbd_reply(); 2507 } 2508 } while (r != KB_ACK); 2509 splx(s); 2510} 2511 2512 2513static int kbd_reply() 2514{ 2515 int i; 2516 2517 kbd_wait(); 2518 for (i=0; i<60000; i++) { /* at least 300 msec, 600 msec enough */ 2519 if (inb(KB_STAT) & KB_BUF_FULL) 2520 return ((u_char) inb(KB_DATA)); 2521 DELAY (10); 2522 } 2523 return(-1); 2524} 2525 2526 2527static void set_mode(scr_stat *scp) 2528{ 2529 u_char byte; 2530 int s; 2531 2532 if (scp != cur_console) 2533 return; 2534 2535 /* (re)activate cursor */ 2536 untimeout((timeout_t)cursor_pos, 0); 2537 cursor_pos(1); 2538 2539 /* change cursor type if set */ 2540 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2541 cursor_shape(scp->cursor_start, scp->cursor_end); 2542 2543 /* mode change only on VGA's */ 2544 if (!crtc_vga) 2545 return; 2546 2547 /* setup video hardware for the given mode */ 2548 s = splhigh(); 2549 switch(scp->mode) { 2550 case TEXT80x25: 2551 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2552 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2553 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2554 break; 2555 case TEXT80x50: 2556 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2557 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2558 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2559 break; 2560 default: 2561 break; 2562 } 2563 splx(s); 2564 2565 /* set border color for this (virtual) console */ 2566 set_border(scp->border); 2567 return; 2568} 2569 2570 2571static void set_border(int color) 2572{ 2573 inb(crtc_addr+6); /* reset flip-flop */ 2574 outb(ATC, 0x11); outb(ATC, color); 2575 inb(crtc_addr+6); /* reset flip-flop */ 2576 outb(ATC, 0x20); /* enable Palette */ 2577} 2578 2579static void load_font(int segment, int size, char* font) 2580{ 2581 int ch, line, s; 2582 u_char val; 2583 2584 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2585 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2586 2587 /* setup vga for loading fonts (graphics plane mode) */ 2588 s = splhigh(); 2589 inb(crtc_addr+6); /* reset flip/flop */ 2590 outb(ATC, 0x30); outb(ATC, 0x01); 2591 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2592 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2593 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2594 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2595 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2596 splx(s); 2597 for (ch=0; ch < 256; ch++) 2598 for (line=0; line < size; line++) 2599 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2600 font[(ch*size)+line]; 2601 /* setup vga for text mode again */ 2602 s = splhigh(); 2603 inb(crtc_addr+6); /* reset flip/flop */ 2604 outb(ATC, 0x30); outb(ATC, 0x0C); 2605 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2606 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2607 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2608 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2609 if (crtc_addr == MONO_BASE) { 2610 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2611 } 2612 else { 2613 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2614 } 2615 splx(s); 2616 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2617 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2618} 2619 2620 2621static void load_palette(void) 2622{ 2623 int i; 2624 2625 outb(PIXMASK, 0xFF); /* no pixelmask */ 2626 outb(PALWADR, 0x00); 2627 for (i=0x00; i<0x300; i++) 2628 outb(PALDATA, palette[i]); 2629 inb(crtc_addr+6); /* reset flip/flop */ 2630 outb(ATC, 0x20); /* enable palette */ 2631} 2632 2633static void save_palette(void) 2634{ 2635 int i; 2636 2637 outb(PALRADR, 0x00); 2638 for (i=0x00; i<0x300; i++) 2639 palette[i] = inb(PALDATA); 2640 inb(crtc_addr+6); /* reset flip/flop */ 2641} 2642 2643 2644static void change_winsize(struct tty *tp, int x, int y) 2645{ 2646 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2647 tp->t_winsize.ws_col = x; 2648 tp->t_winsize.ws_row = y; 2649 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2650 } 2651} 2652 2653#endif /* NSC */ 2654