syscons.c revision 1242
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 1.36 1994/03/02 20:28:38 guido 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 166static scr_stat console[NCONS]; 167static scr_stat *cur_console = &console[0]; 168static scr_stat *new_scp, *old_scp; 169static term_stat kernel_console; 170static default_attr *current_default; 171static int switch_in_progress = 0; 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, metas = 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 = 0; 181static char polling = 0; 182static int delayed_next_scr; 183static char saved_console = -1; /* saved console number */ 184static long scrn_blank_time = 0; /* screen saver timout value */ 185static int scrn_blanked = 0; /* screen saver active flag */ 186static int scrn_saver = 0; /* screen saver routine */ 187static long scrn_time_stamp; 188static u_char scr_map[256]; 189extern int hz; 190extern struct timeval time; 191 192/* function prototypes */ 193int pcprobe(struct isa_device *dev); 194int pcattach(struct isa_device *dev); 195int pcopen(dev_t dev, int flag, int mode, struct proc *p); 196int pcclose(dev_t dev, int flag, int mode, struct proc *p); 197int pcread(dev_t dev, struct uio *uio, int flag); 198int pcwrite(dev_t dev, struct uio *uio, int flag); 199int pcparam(struct tty *tp, struct termios *t); 200int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 201void pcxint(dev_t dev); 202void pcstart(struct tty *tp); 203void pccnprobe(struct consdev *cp); 204void pccninit(struct consdev *cp); 205void pccnputc(dev_t dev, char c); 206int pccngetc(dev_t dev); 207void scintr(int unit); 208int pcmmap(dev_t dev, int offset, int nprot); 209u_int sgetc(int noblock); 210int getchar(void); 211static void scinit(void); 212static void scput(u_char c); 213static u_int scgetc(int noblock); 214static struct tty *get_tty_ptr(dev_t dev); 215static scr_stat *get_scr_stat(dev_t dev); 216static int get_scr_num(); 217static void cursor_shape(int start, int end); 218static void get_cursor_shape(int *start, int *end); 219static void cursor_pos(int force); 220static void clear_screen(scr_stat *scp); 221static int switch_scr(u_int next_scr); 222static void exchange_scr(void); 223static void move_crsr(scr_stat *scp, int x, int y); 224static void move_up(u_short *s, u_short *d, u_int len); 225static void move_down(u_short *s, u_short *d, u_int len); 226static void scan_esc(scr_stat *scp, u_char c); 227static void ansi_put(scr_stat *scp, u_char c); 228static u_char *get_fstr(u_int c, u_int *len); 229static void update_leds(int which); 230static void kbd_wait(void); 231static void kbd_cmd(u_char command); 232static void kbd_cmd2(u_char command, u_char arg); 233static int kbd_reply(void); 234static void set_mode(scr_stat *scp); 235static void set_border(int color); 236static void load_font(int segment, int size, char* font); 237static void save_palette(void); 238static void load_palette(void); 239static void change_winsize(struct tty *tp, int x, int y); 240 241 242/* available screen savers */ 243 244static void none_saver(int test); 245static void blank_saver(int test); 246static void fade_saver(int test); 247static void star_saver(int test); 248static void snake_saver(int test); 249 250static const struct { 251 char *name; 252 void (*routine)(); 253} screen_savers[] = { 254 { "none", none_saver }, /* 0 */ 255 { "blank", blank_saver }, /* 1 */ 256 { "fade", fade_saver }, /* 2 */ 257 { "star", star_saver }, /* 3 */ 258 { "snake", snake_saver }, /* 4 */ 259}; 260#define SCRN_SAVER(arg) (*screen_savers[scrn_saver].routine)(arg) 261#define NUM_SCRN_SAVERS (sizeof(screen_savers) / sizeof(screen_savers[0])) 262 263/* OS specific stuff */ 264 265#if defined(NetBSD) 266#define VIRTUAL_TTY(x) pc_tty[x] ? (pc_tty[x]) : (pc_tty[x] = ttymalloc()) 267#define CONSOLE_TTY pc_tty[NCONS] ? (pc_tty[NCONS]) : (pc_tty[NCONS] = ttymalloc()) 268#define frametype struct trapframe 269#define eflags tf_eflags 270extern u_short *Crtat; 271struct tty *pc_tty[NCONS+1]; 272int ttrstrt(); 273#endif 274 275#if defined(__FreeBSD__) 276#define VIRTUAL_TTY(x) (pccons[x] = ttymalloc(pccons[x])) 277#define CONSOLE_TTY (pccons[NCONS] = ttymalloc(pccons[NCONS])) 278#define frametype struct trapframe 279#define eflags tf_eflags 280#define timeout_t timeout_func_t 281#define MONO_BUF (KERNBASE+0xB0000) 282#define CGA_BUF (KERNBASE+0xB8000) 283struct tty *pccons[NCONS+1]; 284#endif 285 286#if defined(__386BSD__) && !defined(__FreeBSD__) 287#define VIRTUAL_TTY(x) &pccons[x] 288#define CONSOLE_TTY &pccons[NCONS] 289#define frametype struct syscframe 290#define eflags sf_eflags 291#define timeout_t caddr_t 292#define MONO_BUF (0xFE0B0000) 293#define CGA_BUF (0xFE0B8000) 294struct tty pccons[NCONS+1]; 295#endif 296 297#if defined(__386BSD__) || defined(__FreeBSD__) 298u_short *Crtat = (u_short *)MONO_BUF; 299void consinit(void) {scinit();} 300#include "ddb.h" 301#if NDDB > 0 302#define DDB 1 303#endif 304#endif 305 306struct isa_driver scdriver = { 307 pcprobe, pcattach, "sc", 308}; 309 310 311int pcprobe(struct isa_device *dev) 312{ 313 /* Enable interrupts and keyboard controller */ 314 kbd_wait(); 315 outb(KB_STAT, KB_WRITE); 316 kbd_cmd(0x4D); 317 318 /* Start keyboard stuff RESET */ 319 for (;;) { 320 kbd_cmd(KB_RESET); 321 if (kbd_reply() == KB_ACK && /* command accepted */ 322 kbd_reply() == 0xaa) /* self test passed */ 323 break; 324 printf("Keyboard reset failed\n"); 325 } 326 return (IO_KBDSIZE); 327} 328 329 330int pcattach(struct isa_device *dev) 331{ 332 scr_stat *scp; 333 int start = -1, end = -1, i; 334 335 printf("sc%d: ", dev->id_unit); 336 if (crtc_vga) 337 if (crtc_addr == MONO_BASE) 338 printf("VGA mono"); 339 else 340 printf("VGA color"); 341 else 342 if (crtc_addr == MONO_BASE) 343 printf("MDA/hercules"); 344 else 345 printf("CGA/EGA"); 346 347 if (NCONS > 1) 348 printf(" <%d virtual consoles>\n", NCONS); 349 else 350 printf("\n"); 351#if defined(FAT_CURSOR) 352 start = 0; 353 end = 18; 354 if (crtc_vga) { 355#else 356 if (crtc_vga) { 357 get_cursor_shape(&start, &end); 358#endif 359 save_palette(); 360 load_font(0, 16, font_8x16); 361 load_font(1, 8, font_8x8); 362 load_font(2, 14, font_8x14); 363 } 364 current_default = &user_default; 365 for (i = 0; i < NCONS; i++) { 366 scp = &console[i]; 367 scp->scr_buf = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); 368 scp->mode = TEXT80x25; 369 scp->term.esc = 0; 370 scp->term.std_attr = current_default->std_attr; 371 scp->term.rev_attr = current_default->rev_attr; 372 scp->term.cur_attr = scp->term.std_attr; 373 scp->border = BG_BLACK; 374 scp->cursor_start = start; 375 scp->cursor_end = end; 376 scp->xsize = COL; 377 scp->ysize = ROW; 378 scp->bell_pitch = BELL_PITCH; 379 scp->bell_duration = BELL_DURATION; 380 scp->status = 0; 381 scp->pid = 0; 382 scp->proc = NULL; 383 scp->smode.mode = VT_AUTO; 384 if (i > 0) { 385 scp->crt_base = scp->crtat = scp->scr_buf; 386 fillw(scp->term.cur_attr|scr_map[0x20], scp->scr_buf, COL*ROW); 387 } 388 } 389 /* get cursor going */ 390#if defined(FAT_CURSOR) 391 cursor_shape(console[0].cursor_start, 392 console[0].cursor_end); 393#endif 394 cursor_pos(1); 395 return 0; 396} 397 398 399static struct tty *get_tty_ptr(dev_t dev) 400{ 401 int unit = minor(dev); 402 403 if (unit > NCONS) 404 return(NULL); 405 if (unit == NCONS) 406 return(CONSOLE_TTY); 407 return(VIRTUAL_TTY(unit)); 408} 409 410 411static scr_stat *get_scr_stat(dev_t dev) 412{ 413 int unit = minor(dev); 414 415 if (unit > NCONS) 416 return(NULL); 417 if (unit == NCONS) 418 return(&console[0]); 419 return(&console[unit]); 420} 421 422 423static int get_scr_num() 424{ 425 int i = 0; 426 427 while ((i < NCONS) && (cur_console != &console[i])) i++; 428 return i < NCONS ? i : 0; 429} 430 431int pcopen(dev_t dev, int flag, int mode, struct proc *p) 432{ 433 struct tty *tp = get_tty_ptr(dev); 434 435 if (!tp) 436 return(ENXIO); 437 438 tp->t_oproc = pcstart; 439 tp->t_param = pcparam; 440 tp->t_dev = dev; 441 if (!(tp->t_state & TS_ISOPEN)) { 442 tp->t_state |= TS_WOPEN; 443 ttychars(tp); 444 tp->t_iflag = TTYDEF_IFLAG; 445 tp->t_oflag = TTYDEF_OFLAG; 446 tp->t_cflag = TTYDEF_CFLAG; 447 tp->t_lflag = TTYDEF_LFLAG; 448 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 449 pcparam(tp, &tp->t_termios); 450 ttsetwater(tp); 451 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 452 return(EBUSY); 453 tp->t_state |= TS_CARR_ON; 454 tp->t_cflag |= CLOCAL; 455#if defined(__FreeBSD__) 456 return((*linesw[tp->t_line].l_open)(dev, tp, 0)); 457#else 458 return((*linesw[tp->t_line].l_open)(dev, tp)); 459#endif 460} 461 462 463int pcclose(dev_t dev, int flag, int mode, struct proc *p) 464{ 465 struct tty *tp = get_tty_ptr(dev); 466 struct scr_stat *scp; 467 468 if (!tp) 469 return(ENXIO); 470 if (minor(dev) < NCONS) { 471 scp = get_scr_stat(tp->t_dev); 472 if (scp->status & SWITCH_WAIT_ACQ) 473 wakeup((caddr_t)&scp->smode); 474 scp->pid = 0; 475 scp->proc = NULL; 476 scp->smode.mode = VT_AUTO; 477 } 478 (*linesw[tp->t_line].l_close)(tp, flag); 479 ttyclose(tp); 480 return(0); 481} 482 483 484int pcread(dev_t dev, struct uio *uio, int flag) 485{ 486 struct tty *tp = get_tty_ptr(dev); 487 488 if (!tp) 489 return(ENXIO); 490 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 491} 492 493 494int pcwrite(dev_t dev, struct uio *uio, int flag) 495{ 496 struct tty *tp = get_tty_ptr(dev); 497 498 if (!tp) 499 return(ENXIO); 500 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 501} 502 503 504/* 505 * Got a console interrupt, keyboard action ! 506 * Catch the character, and see who it goes to. 507 */ 508void scintr(int unit) 509{ 510 static struct tty *cur_tty; 511 int c, len; 512 u_char *cp; 513 514 /* make screensaver happy */ 515 scrn_time_stamp = time.tv_sec; 516 if (scrn_blanked) 517 SCRN_SAVER(0); 518 519 c = scgetc(1); 520 521 cur_tty = VIRTUAL_TTY(get_scr_num()); 522 if (!(cur_tty->t_state & TS_ISOPEN)) 523 cur_tty = CONSOLE_TTY; 524 525 if (!(cur_tty->t_state & TS_ISOPEN) || polling) 526 return; 527 528 switch (c & 0xff00) { 529 case 0x0000: /* normal key */ 530 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 531 break; 532 case NOKEY: /* nothing there */ 533 break; 534 case FKEY: /* function key, return string */ 535 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 536 while (len-- > 0) 537 (*linesw[cur_tty->t_line].l_rint) 538 (*cp++ & 0xFF, cur_tty); 539 } 540 break; 541 case MKEY: /* meta is active, prepend ESC */ 542 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 543 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 544 break; 545 } 546} 547 548 549/* 550 * Set line parameters 551 */ 552int pcparam(struct tty *tp, struct termios *t) 553{ 554 int cflag = t->c_cflag; 555 556 /* and copy to tty */ 557 tp->t_ispeed = t->c_ispeed; 558 tp->t_ospeed = t->c_ospeed; 559 tp->t_cflag = cflag; 560 return 0; 561} 562 563 564int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 565{ 566 int i, error; 567 struct tty *tp; 568 frametype *fp; 569 scr_stat *scp; 570 571 tp = get_tty_ptr(dev); 572 if (!tp) 573 return ENXIO; 574 scp = get_scr_stat(tp->t_dev); 575 576 switch (cmd) { /* process console hardware related ioctl's */ 577 578 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 579 scrn_blank_time = *(int*)data; 580 return 0; 581 case CONS_SSAVER: /* set screen saver */ 582 { 583 register ssaver_t *sav = (ssaver_t *)data; 584 if (sav->num < 0 || sav->num >= NUM_SCRN_SAVERS) 585 return EIO; 586 SCRN_SAVER(0); 587 scrn_saver = sav->num; 588 scrn_blank_time = sav->time; 589 return 0; 590 } 591 case CONS_GSAVER: /* get screen saver info */ 592 { 593 register ssaver_t *sav = (ssaver_t *)data; 594 if (sav->num < 0) 595 sav->num = scrn_saver; 596 else if (sav->num >= NUM_SCRN_SAVERS) 597 return EIO; 598 sav->time = scrn_blank_time; 599 strcpy(sav->name, screen_savers[sav->num].name); 600 return 0; 601 } 602 case CONS_80x25TEXT: /* set 80x25 text mode */ 603 if (!crtc_vga) 604 return ENXIO; 605 scp->mode = TEXT80x25; 606 scp->ysize = 25; 607 free(scp->scr_buf, M_DEVBUF); 608 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*2, 609 M_DEVBUF, M_NOWAIT); 610 if (scp != cur_console) 611 scp->crt_base = scp->scr_buf; 612 set_mode(scp); 613 clear_screen(scp); 614 change_winsize(tp, scp->xsize, scp->ysize); 615 return 0; 616 617 case CONS_80x50TEXT: /* set 80x50 text mode */ 618 if (!crtc_vga) 619 return ENXIO; 620 scp->mode = TEXT80x50; 621 scp->ysize = 50; 622 free(scp->scr_buf, M_DEVBUF); 623 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*2, 624 M_DEVBUF, M_NOWAIT); 625 if (scp != cur_console) 626 scp->crt_base = scp->scr_buf; 627 set_mode(scp); 628 clear_screen(scp); 629 change_winsize(tp, scp->xsize, scp->ysize); 630 return 0; 631 632 case CONS_GETVERS: /* get version number */ 633 *(int*)data = 0x103; /* version 1.3 */ 634 return 0; 635 636 case CONS_GETINFO: /* get current (virtual) console info */ 637 if (*data == sizeof(struct vid_info)) { 638 vid_info_t *ptr = (vid_info_t*)data; 639 ptr->m_num = get_scr_num(); 640 ptr->mv_col = scp->xpos; 641 ptr->mv_row = scp->ypos; 642 ptr->mv_csz = scp->xsize; 643 ptr->mv_rsz = scp->ysize; 644 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 645 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 646 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 647 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 648 ptr->mv_grfc.fore = 0; /* not supported */ 649 ptr->mv_grfc.back = 0; /* not supported */ 650 ptr->mv_ovscan = scp->border; 651 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 652 return 0; 653 } 654 return EINVAL; 655 656 case VT_SETMODE: /* set screen switcher mode */ 657 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 658 if (scp->smode.mode == VT_PROCESS) { 659 scp->proc = p; 660 scp->pid = scp->proc->p_pid; 661 } 662 return 0; 663 664 case VT_GETMODE: /* get screen switcher mode */ 665 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 666 return 0; 667 668 case VT_RELDISP: /* screen switcher ioctl */ 669 switch(*data) { 670 case VT_FALSE: /* user refuses to release screen, abort */ 671 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 672 old_scp->status &= ~SWITCH_WAIT_REL; 673 switch_in_progress = 0; 674 return 0; 675 } 676 return EINVAL; 677 678 case VT_TRUE: /* user has released screen, go on */ 679 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 680 scp->status &= ~SWITCH_WAIT_REL; 681 exchange_scr(); 682 if (new_scp->smode.mode == VT_PROCESS) { 683 new_scp->status |= SWITCH_WAIT_ACQ; 684 psignal(new_scp->proc, 685 new_scp->smode.acqsig); 686 } 687 else 688 switch_in_progress = 0; 689 return 0; 690 } 691 return EINVAL; 692 693 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 694 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 695 scp->status &= ~SWITCH_WAIT_ACQ; 696 switch_in_progress = 0; 697 return 0; 698 } 699 return EINVAL; 700 701 default: 702 return EINVAL; 703 } 704 /* NOT REACHED */ 705 706 case VT_OPENQRY: /* return free virtual console */ 707 for (i = 0; i < NCONS; i++) { 708 tp = VIRTUAL_TTY(i); 709 if (!(tp->t_state & TS_ISOPEN)) { 710 *data = i + 1; 711 return 0; 712 } 713 } 714 return EINVAL; 715 716 case VT_ACTIVATE: /* switch to screen *data */ 717 return switch_scr((*data) - 1); 718 719 case VT_WAITACTIVE: /* wait for switch to occur */ 720 if (*data > NCONS) 721 return EINVAL; 722 if (minor(dev) == (*data) - 1) 723 return 0; 724 if (*data == 0) { 725 if (scp == cur_console) 726 return 0; 727 while ((error=tsleep((caddr_t)&scp->smode, 728 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 729 } 730 else 731 while ((error=tsleep( 732 (caddr_t)&console[*(data-1)].smode, 733 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 734 return error; 735 736 case VT_GETACTIVE: 737 *data = get_scr_num()+1; 738 return 0; 739 740 case KDENABIO: /* allow io operations */ 741 fp = (frametype *)p->p_regs; 742 fp->eflags |= PSL_IOPL; 743 return 0; 744 745 case KDDISABIO: /* disallow io operations (default) */ 746 fp = (frametype *)p->p_regs; 747 fp->eflags &= ~PSL_IOPL; 748 return 0; 749 750 case KDSETMODE: /* set current mode of this (virtual) console */ 751 switch (*data) { 752 case KD_TEXT: /* switch to TEXT (known) mode */ 753 /* restore fonts & palette ! */ 754 if (crtc_vga) { 755 load_font(0, 16, font_8x16); 756 load_font(1, 8, font_8x8); 757 load_font(2, 14, font_8x14); 758 load_palette(); 759 } 760 /* FALL THROUGH */ 761 762 case KD_TEXT1: /* switch to TEXT (known) mode */ 763 /* no restore fonts & palette */ 764 scp->status &= ~UNKNOWN_MODE; 765 set_mode(scp); 766 clear_screen(scp); 767 return 0; 768 769 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 770 scp->status |= UNKNOWN_MODE; 771 return 0; 772 default: 773 return EINVAL; 774 } 775 /* NOT REACHED */ 776 777 case KDGETMODE: /* get current mode of this (virtual) console */ 778 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 779 return 0; 780 781 case KDSBORDER: /* set border color of this (virtual) console */ 782 if (!crtc_vga) 783 return ENXIO; 784 scp->border = *data; 785 if (scp == cur_console) 786 set_border(scp->border); 787 return 0; 788 789 case KDSKBSTATE: /* set keyboard state (locks) */ 790 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 791 scp->status &= ~LOCK_KEY_MASK; 792 scp->status |= *data; 793 if (scp == cur_console) 794 update_leds(scp->status & LED_MASK); 795 return 0; 796 } 797 return EINVAL; 798 799 case KDGKBSTATE: /* get keyboard state (locks) */ 800 *data = scp->status & LOCK_KEY_MASK; 801 return 0; 802 803 case KDSETRAD: /* set keyboard repeat & delay rates */ 804 if (*data & 0x80) 805 return EINVAL; 806 kbd_cmd2(KB_SETRAD, *data); 807 return 0; 808 809 case KDSKBMODE: /* set keyboard mode */ 810 switch (*data) { 811 case K_RAW: /* switch to RAW scancode mode */ 812 scp->status |= KBD_RAW_MODE; 813 return 0; 814 815 case K_XLATE: /* switch to XLT ascii mode */ 816 if (scp == cur_console && scp->status == KBD_RAW_MODE) 817 shfts = ctls = alts = agrs = metas = 0; 818 scp->status &= ~KBD_RAW_MODE; 819 return 0; 820 default: 821 return EINVAL; 822 } 823 /* NOT REACHED */ 824 825 case KDGKBMODE: /* get keyboard mode */ 826 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 827 return 0; 828 829 case KDMKTONE: /* sound the bell */ 830 if (scp == cur_console) 831 sysbeep(scp->bell_pitch, scp->bell_duration); 832 return 0; 833 834 case KIOCSOUND: /* make tone (*data) hz */ 835 if (scp == cur_console) { 836 if (*(int*)data) { 837 int pitch = TIMER_FREQ/(*(int*)data); 838 /* enable counter 2 */ 839 outb(0x61, inb(0x61) | 3); 840 /* set command for counter 2, 2 byte write */ 841 outb(TIMER_MODE, 842 TIMER_SEL2|TIMER_16BIT|TIMER_SQWAVE); 843 /* set pitch */ 844 outb(TIMER_CNTR2, pitch); 845 outb(TIMER_CNTR2, (pitch>>8)); 846 } 847 else { 848 /* disable counter 2 */ 849 outb(0x61, inb(0x61) & 0xFC); 850 } 851 } 852 return 0; 853 854 case KDGKBTYPE: /* get keyboard type */ 855 *data = 0; /* type not known (yet) */ 856 return 0; 857 858 case KDSETLED: /* set keyboard LED status */ 859 if (*data >= 0 && *data <= LED_MASK) { 860 scp->status &= ~LED_MASK; 861 scp->status |= *data; 862 if (scp == cur_console) 863 update_leds(scp->status & LED_MASK); 864 return 0; 865 } 866 return EINVAL; 867 868 case KDGETLED: /* get keyboard LED status */ 869 *data = scp->status & LED_MASK; 870 return 0; 871 872 case GETFKEY: /* get functionkey string */ 873 if (*(u_short*)data < n_fkey_tab) { 874 fkeyarg_t *ptr = (fkeyarg_t*)data; 875 bcopy(&fkey_tab[ptr->keynum].str, 876 ptr->keydef, 877 fkey_tab[ptr->keynum].len); 878 ptr->flen = fkey_tab[ptr->keynum].len; 879 return 0; 880 } 881 else 882 return EINVAL; 883 884 case SETFKEY: /* set functionkey string */ 885 if (*(u_short*)data < n_fkey_tab) { 886 fkeyarg_t *ptr = (fkeyarg_t*)data; 887 bcopy(ptr->keydef, 888 &fkey_tab[ptr->keynum].str, 889 min(ptr->flen, MAXFK)); 890 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 891 return 0; 892 } 893 else 894 return EINVAL; 895 896 case GIO_SCRNMAP: /* get output translation table */ 897 bcopy(&scr_map, data, sizeof(scr_map)); 898 return 0; 899 900 case PIO_SCRNMAP: /* set output translation table */ 901 bcopy(data, &scr_map, sizeof(scr_map)); 902 return 0; 903 904 case GIO_KEYMAP: /* get keyboard translation table */ 905 bcopy(&key_map, data, sizeof(key_map)); 906 return 0; 907 908 case PIO_KEYMAP: /* set keyboard translation table */ 909 bcopy(data, &key_map, sizeof(key_map)); 910 return 0; 911 912 case PIO_FONT8x8: /* set 8x8 dot font */ 913 if (!crtc_vga) 914 return ENXIO; 915 bcopy(data, &font_8x8, sizeof(font_8x8)); 916 load_font(1, 8, font_8x8); 917 return 0; 918 919 case GIO_FONT8x8: /* get 8x8 dot font */ 920 if (!crtc_vga) 921 return ENXIO; 922 bcopy(&font_8x8, data, sizeof(font_8x8)); 923 return 0; 924 925 case PIO_FONT8x14: /* set 8x14 dot font */ 926 if (!crtc_vga) 927 return ENXIO; 928 bcopy(data, &font_8x14, sizeof(font_8x14)); 929 load_font(2, 14, font_8x14); 930 return 0; 931 932 case GIO_FONT8x14: /* get 8x14 dot font */ 933 if (!crtc_vga) 934 return ENXIO; 935 bcopy(&font_8x14, data, sizeof(font_8x14)); 936 return 0; 937 938 case PIO_FONT8x16: /* set 8x16 dot font */ 939 if (!crtc_vga) 940 return ENXIO; 941 bcopy(data, &font_8x16, sizeof(font_8x16)); 942 load_font(0, 16, font_8x16); 943 return 0; 944 945 case GIO_FONT8x16: /* get 8x16 dot font */ 946 if (!crtc_vga) 947 return ENXIO; 948 bcopy(&font_8x16, data, sizeof(font_8x16)); 949 return 0; 950 951 case CONSOLE_X_MODE_ON: /* just to be compatible */ 952 if (saved_console < 0) { 953 saved_console = get_scr_num(); 954 switch_scr(minor(dev)); 955 fp = (frametype *)p->p_regs; 956 fp->eflags |= PSL_IOPL; 957 scp->status |= UNKNOWN_MODE; 958 scp->status |= KBD_RAW_MODE; 959 return 0; 960 } 961 return EAGAIN; 962 963 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 964 fp = (frametype *)p->p_regs; 965 fp->eflags &= ~PSL_IOPL; 966 if (crtc_vga) { 967 load_font(0, 16, font_8x16); 968 load_font(1, 8, font_8x8); 969 load_font(2, 14, font_8x14); 970 load_palette(); 971 } 972 scp->status &= ~UNKNOWN_MODE; 973 set_mode(scp); 974 clear_screen(scp); 975 scp->status &= ~KBD_RAW_MODE; 976 switch_scr(saved_console); 977 saved_console = -1; 978 return 0; 979 980 case CONSOLE_X_BELL: /* more compatibility */ 981 /* 982 * if set, data is a pointer to a length 2 array of 983 * integers. data[0] is the pitch in Hz and data[1] 984 * is the duration in msec. 985 */ 986 if (data) 987 sysbeep(TIMER_FREQ/((int*)data)[0], 988 ((int*)data)[1]*hz/3000); 989 else 990 sysbeep(scp->bell_pitch, scp->bell_duration); 991 return 0; 992 993 default: 994 break; 995 } 996 997 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 998 if (error >= 0) 999 return(error); 1000 error = ttioctl(tp, cmd, data, flag); 1001 if (error >= 0) 1002 return(error); 1003 return(ENOTTY); 1004} 1005 1006 1007void pcxint(dev_t dev) 1008{ 1009 struct tty *tp = get_tty_ptr(dev); 1010 1011 if (!tp) 1012 return; 1013 tp->t_state &= ~TS_BUSY; 1014 if (tp->t_line) 1015 (*linesw[tp->t_line].l_start)(tp); 1016 else 1017 pcstart(tp); 1018} 1019 1020 1021void pcstart(struct tty *tp) 1022{ 1023#if defined(NetBSD) 1024 struct clist *rbp; 1025 int i, s, len; 1026 u_char buf[PCBURST]; 1027 scr_stat *scp = get_scr_stat(tp->t_dev); 1028 1029 if (scp->status & SLKED) 1030 return; 1031 s = spltty(); 1032 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1033 tp->t_state |= TS_BUSY; 1034 splx(s); 1035 rbp = &tp->t_outq; 1036 len = q_to_b(rbp, buf, PCBURST); 1037 for (i=0; i<len; i++) 1038 if (buf[i]) ansi_put(scp, buf[i]); 1039 s = spltty(); 1040 tp->t_state &= ~TS_BUSY; 1041 if (rbp->c_cc) { 1042 tp->t_state |= TS_TIMEOUT; 1043 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1044 } 1045 if (rbp->c_cc <= tp->t_lowat) { 1046 if (tp->t_state & TS_ASLEEP) { 1047 tp->t_state &= ~TS_ASLEEP; 1048 wakeup((caddr_t)rbp); 1049 } 1050 selwakeup(&tp->t_wsel); 1051 } 1052 } 1053 splx(s); 1054 1055#else /* __FreeBSD__ & __386BSD__ */ 1056 1057 int c, s; 1058 scr_stat *scp = get_scr_stat(tp->t_dev); 1059 1060 if (scp->status & SLKED) 1061 return; 1062 s = spltty(); 1063 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 1064 for (;;) { 1065 if (RB_LEN(tp->t_out) <= tp->t_lowat) { 1066 if (tp->t_state & TS_ASLEEP) { 1067 tp->t_state &= ~TS_ASLEEP; 1068 wakeup((caddr_t)tp->t_out); 1069 } 1070 if (tp->t_wsel) { 1071 selwakeup(tp->t_wsel, 1072 tp->t_state & TS_WCOLL); 1073 tp->t_wsel = 0; 1074 tp->t_state &= ~TS_WCOLL; 1075 } 1076 } 1077 if (RB_LEN(tp->t_out) == 0) 1078 break; 1079 if (scp->status & SLKED) 1080 break; 1081 c = getc(tp->t_out); 1082 tp->t_state |= TS_BUSY; 1083 splx(s); 1084 ansi_put(scp, c); 1085 s = spltty(); 1086 tp->t_state &= ~TS_BUSY; 1087 } 1088 splx(s); 1089#endif 1090} 1091 1092 1093void pccnprobe(struct consdev *cp) 1094{ 1095 int maj; 1096 1097 /* locate the major number */ 1098 for (maj = 0; maj < nchrdev; maj++) 1099 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1100 break; 1101 1102 /* initialize required fields */ 1103 cp->cn_dev = makedev(maj, NCONS); 1104 cp->cn_pri = CN_INTERNAL; 1105#if defined(__386BSD__) 1106 cp->cn_tp = CONSOLE_TTY; 1107#endif 1108} 1109 1110 1111void pccninit(struct consdev *cp) 1112{ 1113 scinit(); 1114} 1115 1116 1117void pccnputc(dev_t dev, char c) 1118{ 1119 if (c == '\n') 1120 scput('\r'); 1121 scput(c); 1122 if (cur_console == &console[0]) { 1123 int pos = cur_console->crtat - cur_console->crt_base; 1124 if (pos != cur_cursor_pos) { 1125 cur_cursor_pos = pos; 1126 outb(crtc_addr,14); 1127 outb(crtc_addr+1,pos >> 8); 1128 outb(crtc_addr,15); 1129 outb(crtc_addr+1,pos&0xff); 1130 } 1131 } 1132} 1133 1134 1135int pccngetc(dev_t dev) 1136{ 1137 int s = spltty(); /* block scintr while we poll */ 1138 int c = scgetc(0); 1139 splx(s); 1140 if (c == '\r') c = '\n'; 1141 return(c); 1142} 1143 1144static void none_saver(int test) 1145{ 1146} 1147 1148static void fade_saver(int test) 1149{ 1150 static int count = 0; 1151 int i; 1152 1153 if (test) { 1154 scrn_blanked = 1; 1155 if (count < 64) { 1156 outb(PIXMASK, 0xFF); /* no pixelmask */ 1157 outb(PALWADR, 0x00); 1158 outb(PALDATA, 0); 1159 outb(PALDATA, 0); 1160 outb(PALDATA, 0); 1161 for (i = 3; i < 768; i++) { 1162 if (palette[i] - count > 15) 1163 outb(PALDATA, palette[i]-count); 1164 else 1165 outb(PALDATA, 15); 1166 } 1167 inb(crtc_addr+6); /* reset flip/flop */ 1168 outb(ATC, 0x20); /* enable palette */ 1169 count++; 1170 } 1171 } 1172 else { 1173 count = scrn_blanked = 0; 1174 load_palette(); 1175 } 1176} 1177 1178static void blank_saver(int test) 1179{ 1180 u_char val; 1181 if (test) { 1182 scrn_blanked = 1; 1183 outb(TSIDX, 0x01); val = inb(TSREG); 1184 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1185 } 1186 else { 1187 scrn_blanked = 0; 1188 outb(TSIDX, 0x01); val = inb(TSREG); 1189 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1190 } 1191} 1192 1193static u_long rand_next = 1; 1194 1195static int rand() 1196{ 1197 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1198} 1199 1200/* 1201 * Alternate saver that got its inspiration from a well known utility 1202 * package for an unfamous OS. 1203 */ 1204 1205#define NUM_STARS 50 1206 1207static void star_saver(int test) 1208{ 1209 scr_stat *scp = cur_console; 1210 int cell, i; 1211 char pattern[] = {"...........++++*** "}; 1212 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1213 FG_WHITE, FG_LIGHTCYAN}; 1214 static u_short stars[NUM_STARS][2]; 1215 1216 if (test) { 1217 if (!scrn_blanked) { 1218 bcopy(Crtat, scp->scr_buf, 1219 scp->xsize * scp->ysize * 2); 1220 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1221 scp->xsize * scp->ysize); 1222 set_border(0); 1223 i = scp->ysize * scp->xsize + 5; 1224 outb(crtc_addr, 14); 1225 outb(crtc_addr+1, i >> 8); 1226 outb(crtc_addr, 15); 1227 outb(crtc_addr+1, i & 0xff); 1228 scrn_blanked = 1; 1229 for(i=0; i<NUM_STARS; i++) { 1230 stars[i][0] = 1231 rand() % (scp->xsize*scp->ysize); 1232 stars[i][1] = 0; 1233 } 1234 } 1235 cell = rand() % NUM_STARS; 1236 *((u_short*)(Crtat + stars[cell][0])) = 1237 scr_map[pattern[stars[cell][1]]] | 1238 colors[rand()%sizeof(colors)] << 8; 1239 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1240 stars[cell][0] = rand() % (scp->xsize*scp->ysize); 1241 stars[cell][1] = 0; 1242 } 1243 } 1244 else { 1245 if (scrn_blanked) { 1246 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1247 cur_cursor_pos = -1; 1248 set_border(scp->border); 1249 scrn_blanked = 0; 1250 } 1251 } 1252} 1253 1254 1255static void snake_saver(int test) 1256{ 1257 const char saves[] = {"FreeBSD"}; 1258 static u_char *savs[sizeof(saves)-1]; 1259 static int dirx, diry; 1260 int f; 1261 scr_stat *scp = cur_console; 1262 1263 if (test) { 1264 if (!scrn_blanked) { 1265 bcopy(Crtat, scp->scr_buf, 1266 scp->xsize * scp->ysize * 2); 1267 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1268 Crtat, scp->xsize * scp->ysize); 1269 set_border(0); 1270 dirx = (scp->xpos ? 1 : -1); 1271 diry = (scp->ypos ? 1272 scp->xsize : -scp->xsize); 1273 for (f=0; f< sizeof(saves)-1; f++) 1274 savs[f] = (u_char *)Crtat + 2 * 1275 (scp->xpos+scp->ypos*scp->xsize); 1276 *(savs[0]) = scr_map[*saves]; 1277 f = scp->ysize * scp->xsize + 5; 1278 outb(crtc_addr, 14); 1279 outb(crtc_addr+1, f >> 8); 1280 outb(crtc_addr, 15); 1281 outb(crtc_addr+1, f & 0xff); 1282 scrn_blanked = 1; 1283 } 1284 if (scrn_blanked++ < 4) 1285 return; 1286 scrn_blanked = 1; 1287 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1288 for (f=sizeof(saves)-2; f > 0; f--) 1289 savs[f] = savs[f-1]; 1290 f = (savs[0] - (u_char *)Crtat) / 2; 1291 if ((f % scp->xsize) == 0 || 1292 (f % scp->xsize) == scp->xsize - 1 || 1293 (rand() % 50) == 0) 1294 dirx = -dirx; 1295 if ((f / scp->xsize) == 0 || 1296 (f / scp->xsize) == scp->ysize - 1 || 1297 (rand() % 20) == 0) 1298 diry = -diry; 1299 savs[0] += 2*dirx + 2*diry; 1300 for (f=sizeof(saves)-2; f>=0; f--) 1301 *(savs[f]) = scr_map[saves[f]]; 1302 } 1303 else { 1304 if (scrn_blanked) { 1305 bcopy(scp->scr_buf, Crtat, 1306 scp->xsize * scp->ysize * 2); 1307 cur_cursor_pos = -1; 1308 set_border(scp->border); 1309 scrn_blanked = 0; 1310 } 1311 } 1312} 1313 1314static void cursor_shape(int start, int end) 1315{ 1316 outb(crtc_addr, 10); 1317 outb(crtc_addr+1, start & 0xFF); 1318 outb(crtc_addr, 11); 1319 outb(crtc_addr+1, end & 0xFF); 1320} 1321 1322 1323#if !defined(FAT_CURSOR) 1324static void get_cursor_shape(int *start, int *end) 1325{ 1326 outb(crtc_addr, 10); 1327 *start = inb(crtc_addr+1) & 0x1F; 1328 outb(crtc_addr, 11); 1329 *end = inb(crtc_addr+1) & 0x1F; 1330} 1331#endif 1332 1333 1334static void cursor_pos(int force) 1335{ 1336 int pos; 1337 1338 if (cur_console->status & UNKNOWN_MODE) 1339 return; 1340 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1341 SCRN_SAVER(1); 1342 pos = cur_console->crtat - cur_console->crt_base; 1343 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1344 cur_cursor_pos = pos; 1345 outb(crtc_addr, 14); 1346 outb(crtc_addr+1, pos>>8); 1347 outb(crtc_addr, 15); 1348 outb(crtc_addr+1, pos&0xff); 1349 } 1350 timeout((timeout_t)cursor_pos, 0, hz/20); 1351} 1352 1353 1354static void clear_screen(scr_stat *scp) 1355{ 1356 move_crsr(scp, 0, 0); 1357 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1358 scp->xsize * scp->ysize); 1359} 1360 1361 1362static int switch_scr(u_int next_scr) 1363{ 1364 if (in_putc) { /* delay switch if in putc */ 1365 delayed_next_scr = next_scr+1; 1366 return 0; 1367 } 1368 if (switch_in_progress && 1369 (cur_console->proc != pfind(cur_console->pid))) 1370 switch_in_progress = 0; 1371 1372 if (next_scr >= NCONS || switch_in_progress) { 1373 sysbeep(BELL_PITCH, BELL_DURATION); 1374 return EINVAL; 1375 } 1376 1377 /* is the wanted virtual console open ? */ 1378 if (next_scr) { 1379 struct tty *tp = VIRTUAL_TTY(next_scr); 1380 if (!(tp->t_state & TS_ISOPEN)) { 1381 sysbeep(BELL_PITCH, BELL_DURATION); 1382 return EINVAL; 1383 } 1384 } 1385 1386 switch_in_progress = 1; 1387 old_scp = cur_console; 1388 new_scp = &console[next_scr]; 1389 wakeup((caddr_t)&new_scp->smode); 1390 if (new_scp == old_scp) { 1391 switch_in_progress = 0; 1392 return 0; 1393 } 1394 1395 /* has controlling process died? */ 1396 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1397 old_scp->smode.mode = VT_AUTO; 1398 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1399 new_scp->smode.mode = VT_AUTO; 1400 1401 /* check the modes and switch approbiatly */ 1402 if (old_scp->smode.mode == VT_PROCESS) { 1403 old_scp->status |= SWITCH_WAIT_REL; 1404 psignal(old_scp->proc, old_scp->smode.relsig); 1405 } 1406 else { 1407 exchange_scr(); 1408 if (new_scp->smode.mode == VT_PROCESS) { 1409 new_scp->status |= SWITCH_WAIT_ACQ; 1410 psignal(new_scp->proc, new_scp->smode.acqsig); 1411 } 1412 else 1413 switch_in_progress = 0; 1414 } 1415 return 0; 1416} 1417 1418 1419static void exchange_scr(void) 1420{ 1421 struct tty *tp; 1422 1423 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1424 old_scp->crt_base = old_scp->scr_buf; 1425 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1426 cur_console = new_scp; 1427 set_mode(new_scp); 1428 new_scp->crt_base = Crtat; 1429 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1430 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1431 update_leds(new_scp->status & LED_MASK); 1432 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1433 shfts = ctls = alts = agrs = metas = 0; 1434 delayed_next_scr = 0; 1435} 1436 1437 1438static void move_crsr(scr_stat *scp, int x, int y) 1439{ 1440 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1441 return; 1442 scp->xpos = x; 1443 scp->ypos = y; 1444 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1445} 1446 1447 1448static void move_up(u_short *s, u_short *d, u_int len) 1449{ 1450 s += len; 1451 d += len; 1452 while (len-- > 0) 1453 *--d = *--s; 1454} 1455 1456 1457static void move_down(u_short *s, u_short *d, u_int len) 1458{ 1459 while (len-- > 0) 1460 *d++ = *s++; 1461} 1462 1463 1464static void scan_esc(scr_stat *scp, u_char c) 1465{ 1466 static u_char ansi_col[16] = 1467 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1468 int i, n; 1469 u_short *src, *dst, count; 1470 1471 if (scp->term.esc == 1) { 1472 switch (c) { 1473 1474 case '[': /* Start ESC [ sequence */ 1475 scp->term.esc = 2; 1476 scp->term.last_param = -1; 1477 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1478 scp->term.param[i] = 1; 1479 scp->term.num_param = 0; 1480 return; 1481 1482 case 'M': /* Move cursor up 1 line, scroll if at top */ 1483 if (scp->ypos > 0) 1484 move_crsr(scp, scp->xpos, scp->ypos - 1); 1485 else { 1486 move_up(scp->crt_base, 1487 scp->crt_base + scp->xsize, 1488 (scp->ysize - 1) * scp->xsize); 1489 fillw(scp->term.cur_attr | scr_map[0x20], 1490 scp->crt_base, scp->xsize); 1491 } 1492 break; 1493#if notyet 1494 case 'Q': 1495 scp->term.esc = 4; 1496 break; 1497#endif 1498 case 'c': /* Clear screen & home */ 1499 clear_screen(scp); 1500 break; 1501 } 1502 } 1503 else if (scp->term.esc == 2) { 1504 if (c >= '0' && c <= '9') { 1505 if (scp->term.num_param < MAX_ESC_PAR) { 1506 if (scp->term.last_param != scp->term.num_param) { 1507 scp->term.last_param = scp->term.num_param; 1508 scp->term.param[scp->term.num_param] = 0; 1509 } 1510 else 1511 scp->term.param[scp->term.num_param] *= 10; 1512 scp->term.param[scp->term.num_param] += c - '0'; 1513 return; 1514 } 1515 } 1516 scp->term.num_param = scp->term.last_param + 1; 1517 switch (c) { 1518 1519 case ';': 1520 if (scp->term.num_param < MAX_ESC_PAR) 1521 return; 1522 break; 1523 1524 case '=': 1525 scp->term.esc = 3; 1526 scp->term.last_param = -1; 1527 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1528 scp->term.param[i] = 1; 1529 scp->term.num_param = 0; 1530 return; 1531 1532 case 'A': /* up n rows */ 1533 n = scp->term.param[0]; if (n < 1) n = 1; 1534 move_crsr(scp, scp->xpos, scp->ypos - n); 1535 break; 1536 1537 case 'B': /* down n rows */ 1538 n = scp->term.param[0]; if (n < 1) n = 1; 1539 move_crsr(scp, scp->xpos, scp->ypos + n); 1540 break; 1541 1542 case 'C': /* right n columns */ 1543 n = scp->term.param[0]; if (n < 1) n = 1; 1544 move_crsr(scp, scp->xpos + n, scp->ypos); 1545 break; 1546 1547 case 'D': /* left n columns */ 1548 n = scp->term.param[0]; if (n < 1) n = 1; 1549 move_crsr(scp, scp->xpos - n, scp->ypos); 1550 break; 1551 1552 case 'E': /* cursor to start of line n lines down */ 1553 n = scp->term.param[0]; if (n < 1) n = 1; 1554 move_crsr(scp, 0, scp->ypos + n); 1555 break; 1556 1557 case 'F': /* cursor to start of line n lines up */ 1558 n = scp->term.param[0]; if (n < 1) n = 1; 1559 move_crsr(scp, 0, scp->ypos - n); 1560 break; 1561 1562 case 'f': /* System V consoles .. */ 1563 case 'H': /* Cursor move */ 1564 if (scp->term.num_param == 0) 1565 move_crsr(scp, 0, 0); 1566 else if (scp->term.num_param == 2) 1567 move_crsr(scp, scp->term.param[1] - 1, 1568 scp->term.param[0] - 1); 1569 break; 1570 1571 case 'J': /* Clear all or part of display */ 1572 if (scp->term.num_param == 0) 1573 n = 0; 1574 else 1575 n = scp->term.param[0]; 1576 switch (n) { 1577 case 0: /* clear form cursor to end of display */ 1578 fillw(scp->term.cur_attr | scr_map[0x20], 1579 scp->crtat, scp->crt_base + 1580 scp->xsize * scp->ysize - 1581 scp->crtat); 1582 break; 1583 case 1: /* clear from beginning of display to cursor */ 1584 fillw(scp->term.cur_attr | scr_map[0x20], 1585 scp->crt_base, 1586 scp->crtat - scp->crt_base); 1587 break; 1588 case 2: /* clear entire display */ 1589 clear_screen(scp); 1590 break; 1591 } 1592 break; 1593 1594 case 'K': /* Clear all or part of line */ 1595 if (scp->term.num_param == 0) 1596 n = 0; 1597 else 1598 n = scp->term.param[0]; 1599 switch (n) { 1600 case 0: /* clear form cursor to end of line */ 1601 fillw(scp->term.cur_attr | scr_map[0x20], 1602 scp->crtat, scp->xsize - scp->xpos); 1603 break; 1604 case 1: /* clear from beginning of line to cursor */ 1605 fillw(scp->term.cur_attr|scr_map[0x20], 1606 scp->crtat - (scp->xsize - scp->xpos), 1607 (scp->xsize - scp->xpos) + 1); 1608 break; 1609 case 2: /* clear entire line */ 1610 fillw(scp->term.cur_attr|scr_map[0x20], 1611 scp->crtat - (scp->xsize - scp->xpos), 1612 scp->xsize); 1613 break; 1614 } 1615 break; 1616 1617 case 'L': /* Insert n lines */ 1618 n = scp->term.param[0]; if (n < 1) n = 1; 1619 if (n > scp->ysize - scp->ypos) 1620 n = scp->ysize - scp->ypos; 1621 src = scp->crt_base + scp->ypos * scp->xsize; 1622 dst = src + n * scp->xsize; 1623 count = scp->ysize - (scp->ypos + n); 1624 move_up(src, dst, count * scp->xsize); 1625 fillw(scp->term.cur_attr | scr_map[0x20], src, 1626 n * scp->xsize); 1627 break; 1628 1629 case 'M': /* Delete n lines */ 1630 n = scp->term.param[0]; if (n < 1) n = 1; 1631 if (n > scp->ysize - scp->ypos) 1632 n = scp->ysize - scp->ypos; 1633 dst = scp->crt_base + scp->ypos * scp->xsize; 1634 src = dst + n * scp->xsize; 1635 count = scp->ysize - (scp->ypos + n); 1636 move_down(src, dst, count * scp->xsize); 1637 src = dst + count * scp->xsize; 1638 fillw(scp->term.cur_attr | scr_map[0x20], src, 1639 n * scp->xsize); 1640 break; 1641 1642 case 'P': /* Delete n chars */ 1643 n = scp->term.param[0]; if (n < 1) n = 1; 1644 if (n > scp->xsize - scp->xpos) 1645 n = scp->xsize - scp->xpos; 1646 dst = scp->crtat; 1647 src = dst + n; 1648 count = scp->xsize - (scp->xpos + n); 1649 move_down(src, dst, count); 1650 src = dst + count; 1651 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1652 break; 1653 1654 case '@': /* Insert n chars */ 1655 n = scp->term.param[0]; if (n < 1) n = 1; 1656 if (n > scp->xsize - scp->xpos) 1657 n = scp->xsize - scp->xpos; 1658 src = scp->crtat; 1659 dst = src + n; 1660 count = scp->xsize - (scp->xpos + n); 1661 move_up(src, dst, count); 1662 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1663 break; 1664 1665 case 'S': /* scroll up n lines */ 1666 n = scp->term.param[0]; if (n < 1) n = 1; 1667 bcopy(scp->crt_base + (scp->xsize * n), 1668 scp->crt_base, 1669 scp->xsize * (scp->ysize - n) * 1670 sizeof(u_short)); 1671 fillw(scp->term.cur_attr | scr_map[0x20], 1672 scp->crt_base + scp->xsize * 1673 (scp->ysize - 1), 1674 scp->xsize); 1675 break; 1676 1677 case 'T': /* scroll down n lines */ 1678 n = scp->term.param[0]; if (n < 1) n = 1; 1679 bcopy(scp->crt_base, 1680 scp->crt_base + (scp->xsize * n), 1681 scp->xsize * (scp->ysize - n) * 1682 sizeof(u_short)); 1683 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1684 scp->xsize); 1685 break; 1686 1687 case 'X': /* delete n characters in line */ 1688 n = scp->term.param[0]; if (n < 1) n = 1; 1689 fillw(scp->term.cur_attr | scr_map[0x20], 1690 scp->crt_base + scp->xpos + 1691 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1692 break; 1693 1694 case 'Z': /* move n tabs backwards */ 1695 n = scp->term.param[0]; if (n < 1) n = 1; 1696 if ((i = scp->xpos & 0xf8) == scp->xpos) 1697 i -= 8*n; 1698 else 1699 i -= 8*(n-1); 1700 if (i < 0) 1701 i = 0; 1702 move_crsr(scp, i, scp->ypos); 1703 break; 1704 1705 case '`': /* move cursor to column n */ 1706 n = scp->term.param[0]; if (n < 1) n = 1; 1707 move_crsr(scp, n, scp->ypos); 1708 break; 1709 1710 case 'a': /* move cursor n columns to the right */ 1711 n = scp->term.param[0]; if (n < 1) n = 1; 1712 move_crsr(scp, scp->xpos + n, scp->ypos); 1713 break; 1714 1715 case 'd': /* move cursor to row n */ 1716 n = scp->term.param[0]; if (n < 1) n = 1; 1717 move_crsr(scp, scp->xpos, n); 1718 break; 1719 1720 case 'e': /* move cursor n rows down */ 1721 n = scp->term.param[0]; if (n < 1) n = 1; 1722 move_crsr(scp, scp->xpos, scp->ypos + n); 1723 break; 1724 1725 case 'm': /* change attribute */ 1726 if (scp->term.num_param == 0) 1727 n = 0; 1728 else 1729 n = scp->term.param[0]; 1730 switch (n) { 1731 case 0: /* back to normal */ 1732 scp->term.cur_attr = scp->term.std_attr; 1733 break; 1734 case 1: /* highlight (bold) */ 1735 scp->term.cur_attr &= 0xFF00; 1736 scp->term.cur_attr |= 0x0800; 1737 break; 1738 case 4: /* highlight (underline) */ 1739 scp->term.cur_attr &= 0x0F00; 1740 scp->term.cur_attr |= 0x0800; 1741 break; 1742 case 5: /* blink */ 1743 scp->term.cur_attr &= 0xFF00; 1744 scp->term.cur_attr |= 0x8000; 1745 break; 1746 case 7: /* reverse video */ 1747 scp->term.cur_attr = scp->term.rev_attr; 1748 break; 1749 case 30: case 31: case 32: case 33: /* set fg color */ 1750 case 34: case 35: case 36: case 37: 1751 scp->term.cur_attr = (scp->term.cur_attr & 0xF0FF) 1752 | (ansi_col[(n - 30) & 7] << 8); 1753 break; 1754 case 40: case 41: case 42: case 43: /* set bg color */ 1755 case 44: case 45: case 46: case 47: 1756 scp->term.cur_attr = (scp->term.cur_attr & 0x0FFF) 1757 | (ansi_col[(n - 40) & 7] << 12); 1758 break; 1759 } 1760 break; 1761 1762 case 'x': 1763 if (scp->term.num_param == 0) 1764 n = 0; 1765 else 1766 n = scp->term.param[0]; 1767 switch (n) { 1768 case 0: /* reset attributes */ 1769 scp->term.cur_attr = scp->term.std_attr = 1770 current_default->std_attr; 1771 scp->term.rev_attr = current_default->rev_attr; 1772 break; 1773 case 1: /* set ansi background */ 1774 scp->term.cur_attr = scp->term.std_attr = 1775 (scp->term.std_attr & 0x0F00) | 1776 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1777 break; 1778 case 2: /* set ansi foreground */ 1779 scp->term.cur_attr = scp->term.std_attr = 1780 (scp->term.std_attr & 0xF000) | 1781 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1782 break; 1783 case 3: /* set ansi attribute directly */ 1784 scp->term.cur_attr = scp->term.std_attr = 1785 (scp->term.param[1]&0xFF)<<8; 1786 break; 1787 case 5: /* set ansi reverse video background */ 1788 scp->term.rev_attr = 1789 (scp->term.rev_attr & 0x0F00) | 1790 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1791 break; 1792 case 6: /* set ansi reverse video foreground */ 1793 scp->term.rev_attr = 1794 (scp->term.rev_attr & 0xF000) | 1795 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1796 break; 1797 case 7: /* set ansi reverse video directly */ 1798 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1799 break; 1800 } 1801 break; 1802 1803 case 'z': /* switch to (virtual) console n */ 1804 if (scp->term.num_param == 1) 1805 switch_scr(scp->term.param[0]); 1806 break; 1807 } 1808 } 1809 else if (scp->term.esc == 3) { 1810 if (c >= '0' && c <= '9') { 1811 if (scp->term.num_param < MAX_ESC_PAR) { 1812 if (scp->term.last_param != scp->term.num_param) { 1813 scp->term.last_param = scp->term.num_param; 1814 scp->term.param[scp->term.num_param] = 0; 1815 } 1816 else 1817 scp->term.param[scp->term.num_param] *= 10; 1818 scp->term.param[scp->term.num_param] += c - '0'; 1819 return; 1820 } 1821 } 1822 scp->term.num_param = scp->term.last_param + 1; 1823 switch (c) { 1824 1825 case ';': 1826 if (scp->term.num_param < MAX_ESC_PAR) 1827 return; 1828 break; 1829 1830 case 'A': /* set display border color */ 1831 if (scp->term.num_param == 1) 1832 scp->border=scp->term.param[0] & 0xff; 1833 if (scp == cur_console) 1834 set_border(scp->border); 1835 break; 1836 1837 case 'B': /* set bell pitch and duration */ 1838 if (scp->term.num_param == 2) { 1839 scp->bell_pitch = scp->term.param[0]; 1840 scp->bell_duration = scp->term.param[1]*10; 1841 } 1842 break; 1843 1844 case 'C': /* set cursor shape (start & end line) */ 1845 if (scp->term.num_param == 2) { 1846 scp->cursor_start = scp->term.param[0] & 0x1F; 1847 scp->cursor_end = scp->term.param[1] & 0x1F; 1848 if (scp == cur_console) 1849 cursor_shape(scp->cursor_start, 1850 scp->cursor_end); 1851 } 1852 break; 1853 1854 case 'F': /* set ansi foreground */ 1855 if (scp->term.num_param == 1) 1856 scp->term.cur_attr = scp->term.std_attr = 1857 (scp->term.std_attr & 0xF000) 1858 | ((scp->term.param[0] & 0x0F) << 8); 1859 break; 1860 1861 case 'G': /* set ansi background */ 1862 if (scp->term.num_param == 1) 1863 scp->term.cur_attr = scp->term.std_attr = 1864 (scp->term.std_attr & 0x0F00) 1865 | ((scp->term.param[0] & 0x0F) << 12); 1866 break; 1867 1868 case 'H': /* set ansi reverse video foreground */ 1869 if (scp->term.num_param == 1) 1870 scp->term.rev_attr = 1871 (scp->term.rev_attr & 0xF000) 1872 | ((scp->term.param[0] & 0x0F) << 8); 1873 break; 1874 1875 case 'I': /* set ansi reverse video background */ 1876 if (scp->term.num_param == 1) 1877 scp->term.rev_attr = 1878 (scp->term.rev_attr & 0x0F00) 1879 | ((scp->term.param[0] & 0x0F) << 12); 1880 break; 1881 } 1882 } 1883 scp->term.esc = 0; 1884} 1885 1886 1887static void ansi_put(scr_stat *scp, u_char c) 1888{ 1889 if (scp->status & UNKNOWN_MODE) 1890 return; 1891 1892 /* make screensaver happy */ 1893 if (scp == cur_console) { 1894 scrn_time_stamp = time.tv_sec; 1895 if (scrn_blanked) 1896 SCRN_SAVER(0); 1897 } 1898 in_putc++; 1899 if (scp->term.esc) 1900 scan_esc(scp, c); 1901 else switch(c) { 1902 case 0x1B: /* start escape sequence */ 1903 scp->term.esc = 1; 1904 scp->term.num_param = 0; 1905 break; 1906 case 0x07: 1907 if (scp == cur_console) 1908 sysbeep(scp->bell_pitch, scp->bell_duration); 1909 break; 1910 case '\t': /* non-destructive tab */ 1911 scp->crtat += (8 - scp->xpos % 8); 1912 scp->xpos += (8 - scp->xpos % 8); 1913 break; 1914 case '\b': /* non-destructive backspace */ 1915 if (scp->crtat > scp->crt_base) { 1916 scp->crtat--; 1917 if (scp->xpos > 0) 1918 scp->xpos--; 1919 else { 1920 scp->xpos += scp->xsize - 1; 1921 scp->ypos--; 1922 } 1923 } 1924 break; 1925 case '\r': /* return to pos 0 */ 1926 move_crsr(scp, 0, scp->ypos); 1927 break; 1928 case '\n': /* newline, same pos */ 1929 scp->crtat += scp->xsize; 1930 scp->ypos++; 1931 break; 1932 case '\f': /* form feed, clears screen */ 1933 clear_screen(scp); 1934 break; 1935 default: 1936 /* Print only printables */ 1937 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 1938 scp->crtat++; 1939 if (++scp->xpos >= scp->xsize) { 1940 scp->xpos = 0; 1941 scp->ypos++; 1942 } 1943 break; 1944 } 1945 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 1946 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 1947 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1948 fillw(scp->term.cur_attr | scr_map[0x20], 1949 scp->crt_base + scp->xsize * (scp->ysize - 1), 1950 scp->xsize); 1951 scp->crtat -= scp->xsize; 1952 scp->ypos--; 1953 } 1954 in_putc--; 1955 if (delayed_next_scr) 1956 switch_scr(delayed_next_scr - 1); 1957} 1958 1959static void scinit(void) 1960{ 1961 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1962 unsigned cursorat; 1963 int i; 1964 1965 /* 1966 * catch that once in a blue moon occurence when scinit is called 1967 * TWICE, adding the CGA_BUF offset again -> poooff 1968 */ 1969 if (crtat != 0) 1970 return; 1971 /* 1972 * Crtat initialized to point to MONO buffer, if not present change 1973 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1974 * in the remapped offset at the "right" time 1975 */ 1976 was = *cp; 1977 *cp = (u_short) 0xA55A; 1978 if (*cp != 0xA55A) { 1979 crtc_addr = MONO_BASE; 1980 } else { 1981 *cp = was; 1982 crtc_addr = COLOR_BASE; 1983 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1984 } 1985 1986 /* Extract cursor location */ 1987 outb(crtc_addr,14); 1988 cursorat = inb(crtc_addr+1)<<8 ; 1989 outb(crtc_addr,15); 1990 cursorat |= inb(crtc_addr+1); 1991 crtat = Crtat + cursorat; 1992 1993 /* is this a VGA or higher ? */ 1994 outb(crtc_addr, 7); 1995 if (inb(crtc_addr) == 7) 1996 crtc_vga = 1; 1997 1998 current_default = &user_default; 1999 console[0].crtat = crtat; 2000 console[0].crt_base = Crtat; 2001 console[0].term.esc = 0; 2002 console[0].term.std_attr = current_default->std_attr; 2003 console[0].term.rev_attr = current_default->rev_attr; 2004 console[0].term.cur_attr = current_default->std_attr; 2005 console[0].xpos = cursorat % COL; 2006 console[0].ypos = cursorat / COL; 2007 console[0].border = BG_BLACK;; 2008 console[0].xsize = COL; 2009 console[0].ysize = ROW; 2010 console[0].status = 0; 2011 console[0].pid = 0; 2012 console[0].proc = NULL; 2013 console[0].smode.mode = VT_AUTO; 2014 console[0].bell_pitch = BELL_PITCH; 2015 console[0].bell_duration = BELL_DURATION; 2016 kernel_console.esc = 0; 2017 kernel_console.std_attr = kernel_default.std_attr; 2018 kernel_console.rev_attr = kernel_default.rev_attr; 2019 kernel_console.cur_attr = kernel_default.std_attr; 2020 /* initialize mapscrn array to a one to one map */ 2021 for (i=0; i<sizeof(scr_map); i++) 2022 scr_map[i] = i; 2023 clear_screen(&console[0]); 2024} 2025 2026 2027static void scput(u_char c) 2028{ 2029 scr_stat *scp = &console[0]; 2030 term_stat save; 2031 2032 if (crtat == 0) 2033 scinit(); 2034 save = scp->term; 2035 scp->term = kernel_console; 2036 current_default = &kernel_default; 2037 ansi_put(scp, c); 2038 kernel_console = scp->term; 2039 current_default = &user_default; 2040 scp->term = save; 2041} 2042 2043 2044static u_char *get_fstr(u_int c, u_int *len) 2045{ 2046 u_int i; 2047 2048 if (!(c & FKEY)) 2049 return(NULL); 2050 i = (c & 0xFF) - F_FN; 2051 if (i > n_fkey_tab) 2052 return(NULL); 2053 *len = fkey_tab[i].len; 2054 return(fkey_tab[i].str); 2055} 2056 2057 2058static void update_leds(int which) 2059{ 2060 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2061 2062 kbd_cmd2(KB_SETLEDS, xlate_leds[which & LED_MASK]); 2063} 2064 2065 2066/* 2067 * scgetc(noblock) : get a character from the keyboard. 2068 * If noblock = 0 wait until a key is gotten. Otherwise return NOKEY. 2069 */ 2070u_int scgetc(int noblock) 2071{ 2072 u_char val, code, release; 2073 u_int state, action; 2074 struct key_t *key; 2075 static u_char esc_flag = 0, compose = 0; 2076 static u_int chr = 0; 2077 2078next_code: 2079 kbd_wait(); 2080 /* First see if there is something in the keyboard port */ 2081 if (inb(KB_STAT) & KB_BUF_FULL) 2082 val = inb(KB_DATA); 2083 else if (noblock) 2084 return(NOKEY); 2085 else 2086 goto next_code; 2087 2088 if (cur_console->status & KBD_RAW_MODE) 2089 return val; 2090 2091 code = val & 0x7F; 2092 release = val & 0x80; 2093 2094 switch (esc_flag) { 2095 case 0x00: /* normal scancode */ 2096 switch(code) { 2097 case 0x38: /* left alt (compose key) */ 2098 if (release && compose) { 2099 compose = 0; 2100 if (chr > 255) { 2101 sysbeep(BELL_PITCH, BELL_DURATION); 2102 chr = 0; 2103 } 2104 } 2105 else { 2106 if (!compose) { 2107 compose = 1; 2108 chr = 0; 2109 } 2110 } 2111 break; 2112 case 0x60: 2113 case 0x61: 2114 esc_flag = code; 2115 goto next_code; 2116 } 2117 break; 2118 case 0x60: /* 0xE0 prefix */ 2119 esc_flag = 0; 2120 switch (code) { 2121 case 0x1c: /* right enter key */ 2122 code = 0x59; 2123 break; 2124 case 0x1d: /* right ctrl key */ 2125 code = 0x5a; 2126 break; 2127 case 0x35: /* keypad divide key */ 2128 code = 0x5b; 2129 break; 2130 case 0x37: /* print scrn key */ 2131 code = 0x5c; 2132 break; 2133 case 0x38: /* right alt key (alt gr) */ 2134 code = 0x5d; 2135 break; 2136 case 0x47: /* grey home key */ 2137 code = 0x5e; 2138 break; 2139 case 0x48: /* grey up arrow key */ 2140 code = 0x5f; 2141 break; 2142 case 0x49: /* grey page up key */ 2143 code = 0x60; 2144 break; 2145 case 0x4b: /* grey left arrow key */ 2146 code = 0x61; 2147 break; 2148 case 0x4d: /* grey right arrow key */ 2149 code = 0x62; 2150 break; 2151 case 0x4f: /* grey end key */ 2152 code = 0x63; 2153 break; 2154 case 0x50: /* grey down arrow key */ 2155 code = 0x64; 2156 break; 2157 case 0x51: /* grey page down key */ 2158 code = 0x65; 2159 break; 2160 case 0x52: /* grey insert key */ 2161 code = 0x66; 2162 break; 2163 case 0x53: /* grey delete key */ 2164 code = 0x67; 2165 break; 2166 default: /* ignore everything else */ 2167 goto next_code; 2168 } 2169 break; 2170 case 0x61: /* 0xE1 prefix */ 2171 esc_flag = 0; 2172 if (code == 0x1D) 2173 esc_flag = 0x1D; 2174 goto next_code; 2175 /* NOT REACHED */ 2176 case 0x1D: /* pause / break */ 2177 esc_flag = 0; 2178 if (code != 0x45) 2179 goto next_code; 2180 code = 0x68; 2181 break; 2182 } 2183 2184 if (compose) { 2185 switch (code) { 2186 case 0x47: 2187 case 0x48: /* keypad 7,8,9 */ 2188 case 0x49: 2189 if (!release) 2190 chr = (code - 0x40) + chr*10; 2191 goto next_code; 2192 case 0x4b: 2193 case 0x4c: /* keypad 4,5,6 */ 2194 case 0x4d: 2195 if (!release) 2196 chr = (code - 0x47) + chr*10; 2197 goto next_code; 2198 case 0x4f: 2199 case 0x50: /* keypad 1,2,3 */ 2200 case 0x51: 2201 if (!release) 2202 chr = (code - 0x4e) + chr*10; 2203 goto next_code; 2204 case 0x52: /* keypad 0 */ 2205 if (!release) 2206 chr *= 10; 2207 goto next_code; 2208 case 0x38: /* left alt key */ 2209 break; 2210 default: 2211 if (chr) { 2212 compose = chr = 0; 2213 sysbeep(BELL_PITCH, BELL_DURATION); 2214 goto next_code; 2215 } 2216 break; 2217 } 2218 } 2219 2220 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2221 if ((!agrs && (cur_console->status & ALKED)) 2222 || (agrs && !(cur_console->status & ALKED))) 2223 code += ALTGR_OFFSET; 2224 key = &key_map.key[code]; 2225 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2226 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2227 state ^= 1; 2228 2229 /* Check for make/break */ 2230 action = key->map[state]; 2231 if (release) { /* key released */ 2232 if (key->spcl & 0x80) { 2233 switch (action) { 2234 case LSH: 2235 shfts &= ~1; 2236 break; 2237 case RSH: 2238 shfts &= ~2; 2239 break; 2240 case LCTR: 2241 ctls &= ~1; 2242 break; 2243 case RCTR: 2244 ctls &= ~2; 2245 break; 2246 case LALT: 2247 alts &= ~1; 2248 break; 2249 case RALT: 2250 alts &= ~2; 2251 break; 2252 case NLK: 2253 nlkcnt = 0; 2254 break; 2255 case CLK: 2256 clkcnt = 0; 2257 break; 2258 case SLK: 2259 slkcnt = 0; 2260 break; 2261 case ASH: 2262 agrs = 0; 2263 break; 2264 case ALK: 2265 alkcnt = 0; 2266 break; 2267 case META: 2268 metas = 0; 2269 break; 2270 } 2271 } 2272 if (chr && !compose) { 2273 action = chr; 2274 chr = 0; 2275 return(action); 2276 } 2277 } else { 2278 /* key pressed */ 2279 if (key->spcl & (0x80>>state)) { 2280 switch (action) { 2281 /* LOCKING KEYS */ 2282 case NLK: 2283 if (!nlkcnt) { 2284 nlkcnt++; 2285 if (cur_console->status & NLKED) 2286 cur_console->status &= ~NLKED; 2287 else 2288 cur_console->status |= NLKED; 2289 update_leds(cur_console->status & LED_MASK); 2290 } 2291 break; 2292 case CLK: 2293 if (!clkcnt) { 2294 clkcnt++; 2295 if (cur_console->status & CLKED) 2296 cur_console->status &= ~CLKED; 2297 else 2298 cur_console->status |= CLKED; 2299 update_leds(cur_console->status & LED_MASK); 2300 } 2301 break; 2302 case SLK: 2303 if (!slkcnt) { 2304 slkcnt++; 2305 if (cur_console->status & SLKED) { 2306 cur_console->status &= ~SLKED; 2307 pcstart(VIRTUAL_TTY(get_scr_num())); 2308 } 2309 else 2310 cur_console->status |= SLKED; 2311 update_leds(cur_console->status & LED_MASK); 2312 } 2313 break; 2314 case ALK: 2315 if (!alkcnt) { 2316 alkcnt++; 2317 if (cur_console->status & ALKED) 2318 cur_console->status &= ~ALKED; 2319 else 2320 cur_console->status |= ALKED; 2321 } 2322 break; 2323 2324 /* NON-LOCKING KEYS */ 2325 case NOP: 2326 break; 2327 case RBT: 2328#if defined(__FreeBSD__) 2329 shutdown_nice(); 2330#else 2331 cpu_reset(); 2332#endif 2333 break; 2334 case DBG: 2335#if DDB > 0 /* try to switch to console 0 */ 2336 if (cur_console->smode.mode == VT_AUTO && 2337 console[0].smode.mode == VT_AUTO) 2338 switch_scr(0); 2339 Debugger("manual escape to debugger"); 2340 return(NOKEY); 2341#else 2342 printf("No debugger in kernel\n"); 2343#endif 2344 break; 2345 case LSH: 2346 shfts |= 1; 2347 break; 2348 case RSH: 2349 shfts |= 2; 2350 break; 2351 case LCTR: 2352 ctls |= 1; 2353 break; 2354 case RCTR: 2355 ctls |= 2; 2356 break; 2357 case LALT: 2358 alts |= 1; 2359 break; 2360 case RALT: 2361 alts |= 2; 2362 break; 2363 case ASH: 2364 agrs = 1; 2365 break; 2366 case META: 2367 metas = 1; 2368 break; 2369 case NEXT: 2370 switch_scr((get_scr_num()+1)%NCONS); 2371 break; 2372 default: 2373 if (action >= F_SCR && action <= L_SCR) { 2374 switch_scr(action - F_SCR); 2375 break; 2376 } 2377 if (action >= F_FN && action <= L_FN) 2378 action |= FKEY; 2379 return(action); 2380 } 2381 } 2382 else { 2383 if (metas) 2384 action |= MKEY; 2385 return(action); 2386 } 2387 } 2388 goto next_code; 2389} 2390 2391 2392int getchar(void) 2393{ 2394 u_char thechar; 2395 int s; 2396 2397 polling = 1; 2398 s = splhigh(); 2399 scput('>'); 2400 thechar = (u_char) scgetc(0); 2401 polling = 0; 2402 splx(s); 2403 switch (thechar) { 2404 default: 2405 if (thechar >= scr_map[0x20]) 2406 scput(thechar); 2407 return(thechar); 2408 case cr: 2409 case lf: 2410 scput(cr); scput(lf); 2411 return(lf); 2412 case bs: 2413 case del: 2414 scput(bs); scput(scr_map[0x20]); scput(bs); 2415 return(thechar); 2416 case cntld: 2417 scput('^'); scput('D'); scput('\r'); scput('\n'); 2418 return(0); 2419 } 2420} 2421 2422 2423u_int sgetc(int noblock) 2424{ 2425 return (scgetc(noblock) & 0xff); 2426} 2427 2428int pcmmap(dev_t dev, int offset, int nprot) 2429{ 2430 if (offset > 0x20000) 2431 return EINVAL; 2432 return i386_btop((VIDEOMEM + offset)); 2433} 2434 2435 2436static void kbd_wait(void) 2437{ 2438 int i; 2439 2440 for (i=0; i<1000; i++) { /* up to 10 msec */ 2441 if ((inb(KB_STAT) & KB_READY) == 0) 2442 break; 2443 DELAY (10); 2444 } 2445} 2446 2447 2448static void kbd_cmd(u_char command) 2449{ 2450 kbd_wait(); 2451 outb(KB_DATA, command); 2452} 2453 2454 2455static void kbd_cmd2(u_char command, u_char arg) 2456{ 2457 int r, s = spltty(); 2458 do { 2459 kbd_cmd(command); 2460 r = kbd_reply(); 2461 if (r == KB_ACK) { 2462 kbd_cmd(arg & 0x7f); 2463 r = kbd_reply(); 2464 } 2465 } while (r != KB_ACK); 2466 splx(s); 2467} 2468 2469 2470static int kbd_reply() 2471{ 2472 int i; 2473 2474 kbd_wait(); 2475 for (i=0; i<60000; i++) { /* at least 300 msec, 600 msec enough */ 2476 if (inb(KB_STAT) & KB_BUF_FULL) 2477 return ((u_char) inb(KB_DATA)); 2478 DELAY (10); 2479 } 2480 return(-1); 2481} 2482 2483 2484static void set_mode(scr_stat *scp) 2485{ 2486 u_char byte; 2487 int s; 2488 2489 if (scp != cur_console) 2490 return; 2491 2492 /* (re)activate cursor */ 2493 untimeout((timeout_t)cursor_pos, 0); 2494 cursor_pos(1); 2495 2496 /* change cursor type if set */ 2497 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2498 cursor_shape(scp->cursor_start, scp->cursor_end); 2499 2500 /* mode change only on VGA's */ 2501 if (!crtc_vga) 2502 return; 2503 2504 /* setup video hardware for the given mode */ 2505 s = splhigh(); 2506 switch(scp->mode) { 2507 case TEXT80x25: 2508 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2509 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2510 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2511 break; 2512 case TEXT80x50: 2513 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2514 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2515 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2516 break; 2517 default: 2518 break; 2519 } 2520 splx(s); 2521 2522 /* set border color for this (virtual) console */ 2523 set_border(scp->border); 2524 return; 2525} 2526 2527 2528static void set_border(int color) 2529{ 2530 inb(crtc_addr+6); /* reset flip-flop */ 2531 outb(ATC, 0x11); outb(ATC, color); 2532 inb(crtc_addr+6); /* reset flip-flop */ 2533 outb(ATC, 0x20); /* enable Palette */ 2534} 2535 2536static void load_font(int segment, int size, char* font) 2537{ 2538 int ch, line, s; 2539 u_char val; 2540 2541 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2542 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2543 2544 /* setup vga for loading fonts (graphics plane mode) */ 2545 s = splhigh(); 2546 inb(crtc_addr+6); /* reset flip/flop */ 2547 outb(ATC, 0x30); outb(ATC, 0x01); 2548 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2549 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2550 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2551 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2552 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2553 splx(s); 2554 for (ch=0; ch < 256; ch++) 2555 for (line=0; line < size; line++) 2556 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2557 font[(ch*size)+line]; 2558 /* setup vga for text mode again */ 2559 s = splhigh(); 2560 inb(crtc_addr+6); /* reset flip/flop */ 2561 outb(ATC, 0x30); outb(ATC, 0x0C); 2562 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2563 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2564 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2565 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2566 if (crtc_addr == MONO_BASE) { 2567 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2568 } 2569 else { 2570 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2571 } 2572 splx(s); 2573 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2574 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2575} 2576 2577 2578static void load_palette(void) 2579{ 2580 int i; 2581 2582 outb(PIXMASK, 0xFF); /* no pixelmask */ 2583 outb(PALWADR, 0x00); 2584 for (i=0x00; i<0x300; i++) 2585 outb(PALDATA, palette[i]); 2586 inb(crtc_addr+6); /* reset flip/flop */ 2587 outb(ATC, 0x20); /* enable palette */ 2588} 2589 2590static void save_palette(void) 2591{ 2592 int i; 2593 2594 outb(PALRADR, 0x00); 2595 for (i=0x00; i<0x300; i++) 2596 palette[i] = inb(PALDATA); 2597 inb(crtc_addr+6); /* reset flip/flop */ 2598} 2599 2600 2601static void change_winsize(struct tty *tp, int x, int y) 2602{ 2603 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2604 tp->t_winsize.ws_col = x; 2605 tp->t_winsize.ws_row = y; 2606 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2607 } 2608} 2609 2610#endif /* NSC */ 2611