syscons.c revision 1286
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 1.38 1994/03/08 15:17:41 davidg 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 if (*data == sizeof(struct vid_info)) { 642 vid_info_t *ptr = (vid_info_t*)data; 643 ptr->m_num = get_scr_num(); 644 ptr->mv_col = scp->xpos; 645 ptr->mv_row = scp->ypos; 646 ptr->mv_csz = scp->xsize; 647 ptr->mv_rsz = scp->ysize; 648 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 649 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 650 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 651 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 652 ptr->mv_grfc.fore = 0; /* not supported */ 653 ptr->mv_grfc.back = 0; /* not supported */ 654 ptr->mv_ovscan = scp->border; 655 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 656 return 0; 657 } 658 return EINVAL; 659 660 case VT_SETMODE: /* set screen switcher mode */ 661 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 662 if (scp->smode.mode == VT_PROCESS) { 663 scp->proc = p; 664 scp->pid = scp->proc->p_pid; 665 } 666 return 0; 667 668 case VT_GETMODE: /* get screen switcher mode */ 669 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 670 return 0; 671 672 case VT_RELDISP: /* screen switcher ioctl */ 673 switch(*data) { 674 case VT_FALSE: /* user refuses to release screen, abort */ 675 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 676 old_scp->status &= ~SWITCH_WAIT_REL; 677 switch_in_progress = 0; 678 return 0; 679 } 680 return EINVAL; 681 682 case VT_TRUE: /* user has released screen, go on */ 683 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 684 scp->status &= ~SWITCH_WAIT_REL; 685 exchange_scr(); 686 if (new_scp->smode.mode == VT_PROCESS) { 687 new_scp->status |= SWITCH_WAIT_ACQ; 688 psignal(new_scp->proc, 689 new_scp->smode.acqsig); 690 } 691 else 692 switch_in_progress = 0; 693 return 0; 694 } 695 return EINVAL; 696 697 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 698 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 699 scp->status &= ~SWITCH_WAIT_ACQ; 700 switch_in_progress = 0; 701 return 0; 702 } 703 return EINVAL; 704 705 default: 706 return EINVAL; 707 } 708 /* NOT REACHED */ 709 710 case VT_OPENQRY: /* return free virtual console */ 711 for (i = 0; i < NCONS; i++) { 712 tp = VIRTUAL_TTY(i); 713 if (!(tp->t_state & TS_ISOPEN)) { 714 *data = i + 1; 715 return 0; 716 } 717 } 718 return EINVAL; 719 720 case VT_ACTIVATE: /* switch to screen *data */ 721 return switch_scr((*data) - 1); 722 723 case VT_WAITACTIVE: /* wait for switch to occur */ 724 if (*data > NCONS) 725 return EINVAL; 726 if (minor(dev) == (*data) - 1) 727 return 0; 728 if (*data == 0) { 729 if (scp == cur_console) 730 return 0; 731 while ((error=tsleep((caddr_t)&scp->smode, 732 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 733 } 734 else 735 while ((error=tsleep( 736 (caddr_t)&console[*(data-1)].smode, 737 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 738 return error; 739 740 case VT_GETACTIVE: 741 *data = get_scr_num()+1; 742 return 0; 743 744 case KDENABIO: /* allow io operations */ 745 fp = (frametype *)p->p_regs; 746 fp->eflags |= PSL_IOPL; 747 return 0; 748 749 case KDDISABIO: /* disallow io operations (default) */ 750 fp = (frametype *)p->p_regs; 751 fp->eflags &= ~PSL_IOPL; 752 return 0; 753 754 case KDSETMODE: /* set current mode of this (virtual) console */ 755 switch (*data) { 756 case KD_TEXT: /* switch to TEXT (known) mode */ 757 /* restore fonts & palette ! */ 758 if (crtc_vga) { 759 load_font(0, 16, font_8x16); 760 load_font(1, 8, font_8x8); 761 load_font(2, 14, font_8x14); 762 load_palette(); 763 } 764 /* FALL THROUGH */ 765 766 case KD_TEXT1: /* switch to TEXT (known) mode */ 767 /* no restore fonts & palette */ 768 scp->status &= ~UNKNOWN_MODE; 769 set_mode(scp); 770 clear_screen(scp); 771 return 0; 772 773 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 774 scp->status |= UNKNOWN_MODE; 775 return 0; 776 default: 777 return EINVAL; 778 } 779 /* NOT REACHED */ 780 781 case KDGETMODE: /* get current mode of this (virtual) console */ 782 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 783 return 0; 784 785 case KDSBORDER: /* set border color of this (virtual) console */ 786 if (!crtc_vga) 787 return ENXIO; 788 scp->border = *data; 789 if (scp == cur_console) 790 set_border(scp->border); 791 return 0; 792 793 case KDSKBSTATE: /* set keyboard state (locks) */ 794 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 795 scp->status &= ~LOCK_KEY_MASK; 796 scp->status |= *data; 797 if (scp == cur_console) 798 update_leds(scp->status & LED_MASK); 799 return 0; 800 } 801 return EINVAL; 802 803 case KDGKBSTATE: /* get keyboard state (locks) */ 804 *data = scp->status & LOCK_KEY_MASK; 805 return 0; 806 807 case KDSETRAD: /* set keyboard repeat & delay rates */ 808 if (*data & 0x80) 809 return EINVAL; 810 kbd_cmd2(KB_SETRAD, *data); 811 return 0; 812 813 case KDSKBMODE: /* set keyboard mode */ 814 switch (*data) { 815 case K_RAW: /* switch to RAW scancode mode */ 816 scp->status |= KBD_RAW_MODE; 817 return 0; 818 819 case K_XLATE: /* switch to XLT ascii mode */ 820 if (scp == cur_console && scp->status == KBD_RAW_MODE) 821 shfts = ctls = alts = agrs = metas = 0; 822 scp->status &= ~KBD_RAW_MODE; 823 return 0; 824 default: 825 return EINVAL; 826 } 827 /* NOT REACHED */ 828 829 case KDGKBMODE: /* get keyboard mode */ 830 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 831 return 0; 832 833 case KDMKTONE: /* sound the bell */ 834 if (scp == cur_console) 835 sysbeep(scp->bell_pitch, scp->bell_duration); 836 return 0; 837 838 case KIOCSOUND: /* make tone (*data) hz */ 839 if (scp == cur_console) { 840 if (*(int*)data) { 841 int pitch = TIMER_FREQ/(*(int*)data); 842 /* enable counter 2 */ 843 outb(0x61, inb(0x61) | 3); 844 /* set command for counter 2, 2 byte write */ 845 outb(TIMER_MODE, 846 TIMER_SEL2|TIMER_16BIT|TIMER_SQWAVE); 847 /* set pitch */ 848 outb(TIMER_CNTR2, pitch); 849 outb(TIMER_CNTR2, (pitch>>8)); 850 } 851 else { 852 /* disable counter 2 */ 853 outb(0x61, inb(0x61) & 0xFC); 854 } 855 } 856 return 0; 857 858 case KDGKBTYPE: /* get keyboard type */ 859 *data = 0; /* type not known (yet) */ 860 return 0; 861 862 case KDSETLED: /* set keyboard LED status */ 863 if (*data >= 0 && *data <= LED_MASK) { 864 scp->status &= ~LED_MASK; 865 scp->status |= *data; 866 if (scp == cur_console) 867 update_leds(scp->status & LED_MASK); 868 return 0; 869 } 870 return EINVAL; 871 872 case KDGETLED: /* get keyboard LED status */ 873 *data = scp->status & LED_MASK; 874 return 0; 875 876 case GETFKEY: /* get functionkey string */ 877 if (*(u_short*)data < n_fkey_tab) { 878 fkeyarg_t *ptr = (fkeyarg_t*)data; 879 bcopy(&fkey_tab[ptr->keynum].str, 880 ptr->keydef, 881 fkey_tab[ptr->keynum].len); 882 ptr->flen = fkey_tab[ptr->keynum].len; 883 return 0; 884 } 885 else 886 return EINVAL; 887 888 case SETFKEY: /* set functionkey string */ 889 if (*(u_short*)data < n_fkey_tab) { 890 fkeyarg_t *ptr = (fkeyarg_t*)data; 891 bcopy(ptr->keydef, 892 &fkey_tab[ptr->keynum].str, 893 min(ptr->flen, MAXFK)); 894 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 895 return 0; 896 } 897 else 898 return EINVAL; 899 900 case GIO_SCRNMAP: /* get output translation table */ 901 bcopy(&scr_map, data, sizeof(scr_map)); 902 return 0; 903 904 case PIO_SCRNMAP: /* set output translation table */ 905 bcopy(data, &scr_map, sizeof(scr_map)); 906 return 0; 907 908 case GIO_KEYMAP: /* get keyboard translation table */ 909 bcopy(&key_map, data, sizeof(key_map)); 910 return 0; 911 912 case PIO_KEYMAP: /* set keyboard translation table */ 913 bcopy(data, &key_map, sizeof(key_map)); 914 return 0; 915 916 case PIO_FONT8x8: /* set 8x8 dot font */ 917 if (!crtc_vga) 918 return ENXIO; 919 bcopy(data, &font_8x8, sizeof(font_8x8)); 920 load_font(1, 8, font_8x8); 921 return 0; 922 923 case GIO_FONT8x8: /* get 8x8 dot font */ 924 if (!crtc_vga) 925 return ENXIO; 926 bcopy(&font_8x8, data, sizeof(font_8x8)); 927 return 0; 928 929 case PIO_FONT8x14: /* set 8x14 dot font */ 930 if (!crtc_vga) 931 return ENXIO; 932 bcopy(data, &font_8x14, sizeof(font_8x14)); 933 load_font(2, 14, font_8x14); 934 return 0; 935 936 case GIO_FONT8x14: /* get 8x14 dot font */ 937 if (!crtc_vga) 938 return ENXIO; 939 bcopy(&font_8x14, data, sizeof(font_8x14)); 940 return 0; 941 942 case PIO_FONT8x16: /* set 8x16 dot font */ 943 if (!crtc_vga) 944 return ENXIO; 945 bcopy(data, &font_8x16, sizeof(font_8x16)); 946 load_font(0, 16, font_8x16); 947 return 0; 948 949 case GIO_FONT8x16: /* get 8x16 dot font */ 950 if (!crtc_vga) 951 return ENXIO; 952 bcopy(&font_8x16, data, sizeof(font_8x16)); 953 return 0; 954 955 case CONSOLE_X_MODE_ON: /* just to be compatible */ 956 if (saved_console < 0) { 957 saved_console = get_scr_num(); 958 switch_scr(minor(dev)); 959 fp = (frametype *)p->p_regs; 960 fp->eflags |= PSL_IOPL; 961 scp->status |= UNKNOWN_MODE; 962 scp->status |= KBD_RAW_MODE; 963 return 0; 964 } 965 return EAGAIN; 966 967 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 968 fp = (frametype *)p->p_regs; 969 fp->eflags &= ~PSL_IOPL; 970 if (crtc_vga) { 971 load_font(0, 16, font_8x16); 972 load_font(1, 8, font_8x8); 973 load_font(2, 14, font_8x14); 974 load_palette(); 975 } 976 scp->status &= ~UNKNOWN_MODE; 977 set_mode(scp); 978 clear_screen(scp); 979 scp->status &= ~KBD_RAW_MODE; 980 switch_scr(saved_console); 981 saved_console = -1; 982 return 0; 983 984 case CONSOLE_X_BELL: /* more compatibility */ 985 /* 986 * if set, data is a pointer to a length 2 array of 987 * integers. data[0] is the pitch in Hz and data[1] 988 * is the duration in msec. 989 */ 990 if (data) 991 sysbeep(TIMER_FREQ/((int*)data)[0], 992 ((int*)data)[1]*hz/3000); 993 else 994 sysbeep(scp->bell_pitch, scp->bell_duration); 995 return 0; 996 997 default: 998 break; 999 } 1000 1001 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 1002 if (error >= 0) 1003 return(error); 1004 error = ttioctl(tp, cmd, data, flag); 1005 if (error >= 0) 1006 return(error); 1007 return(ENOTTY); 1008} 1009 1010 1011void pcxint(dev_t dev) 1012{ 1013 struct tty *tp = get_tty_ptr(dev); 1014 1015 if (!tp) 1016 return; 1017 tp->t_state &= ~TS_BUSY; 1018 if (tp->t_line) 1019 (*linesw[tp->t_line].l_start)(tp); 1020 else 1021 pcstart(tp); 1022} 1023 1024 1025void pcstart(struct tty *tp) 1026{ 1027#if defined(NetBSD) 1028 struct clist *rbp; 1029 int i, s, len; 1030 u_char buf[PCBURST]; 1031 scr_stat *scp = get_scr_stat(tp->t_dev); 1032 1033 if (scp->status & SLKED) 1034 return; 1035 s = spltty(); 1036 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1037 tp->t_state |= TS_BUSY; 1038 splx(s); 1039 rbp = &tp->t_outq; 1040 len = q_to_b(rbp, buf, PCBURST); 1041 for (i=0; i<len; i++) 1042 if (buf[i]) ansi_put(scp, buf[i]); 1043 s = spltty(); 1044 tp->t_state &= ~TS_BUSY; 1045 if (rbp->c_cc) { 1046 tp->t_state |= TS_TIMEOUT; 1047 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1048 } 1049 if (rbp->c_cc <= tp->t_lowat) { 1050 if (tp->t_state & TS_ASLEEP) { 1051 tp->t_state &= ~TS_ASLEEP; 1052 wakeup((caddr_t)rbp); 1053 } 1054 selwakeup(&tp->t_wsel); 1055 } 1056 } 1057 splx(s); 1058 1059#else /* __FreeBSD__ & __386BSD__ */ 1060 1061 int c, s, len, i; 1062 scr_stat *scp = get_scr_stat(tp->t_dev); 1063 u_char buf[PCBURST]; 1064 1065 if (scp->status & SLKED) 1066 return; 1067 s = spltty(); 1068 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1069 for (;;) { 1070 if (RB_LEN(tp->t_out) <= tp->t_lowat) { 1071 if (tp->t_state & TS_ASLEEP) { 1072 tp->t_state &= ~TS_ASLEEP; 1073 wakeup((caddr_t)tp->t_out); 1074 } 1075 if (tp->t_wsel) { 1076 selwakeup(tp->t_wsel, 1077 tp->t_state & TS_WCOLL); 1078 tp->t_wsel = 0; 1079 tp->t_state &= ~TS_WCOLL; 1080 } 1081 } 1082 if (RB_LEN(tp->t_out) == 0) 1083 break; 1084 if (scp->status & SLKED) 1085 break; 1086 len = 0; 1087 while( len < PCBURST) { 1088 buf[len++] = getc(tp->t_out); 1089 if( RB_LEN(tp->t_out) == 0) 1090 break; 1091 } 1092 tp->t_state |= TS_BUSY; 1093 splx(s); 1094 for(i=0;i<len;i++) 1095 ansi_put(scp, buf[i]); 1096 s = spltty(); 1097 tp->t_state &= ~TS_BUSY; 1098 } 1099 tp->t_state |= TS_BUSY; 1100 if( in_putc == 0) { 1101 int i; 1102 for(i=0;i<console_buffer_count;i++) { 1103 scput(console_buffer[i]); 1104 } 1105 console_buffer_count = 0; 1106 } 1107 tp->t_state &= ~TS_BUSY; 1108 } 1109 splx(s); 1110#endif 1111} 1112 1113 1114void pccnprobe(struct consdev *cp) 1115{ 1116 int maj; 1117 1118 /* locate the major number */ 1119 for (maj = 0; maj < nchrdev; maj++) 1120 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1121 break; 1122 1123 /* initialize required fields */ 1124 cp->cn_dev = makedev(maj, NCONS); 1125 cp->cn_pri = CN_INTERNAL; 1126#if defined(__386BSD__) && !defined(__FreeBSD__) 1127 cp->cn_tp = CONSOLE_TTY; 1128#endif 1129} 1130 1131 1132void pccninit(struct consdev *cp) 1133{ 1134 scinit(); 1135} 1136 1137 1138void pccnputc(dev_t dev, char c) 1139{ 1140 if (c == '\n') 1141 scput('\r'); 1142 scput(c); 1143 if (cur_console == &console[0]) { 1144 int pos = cur_console->crtat - cur_console->crt_base; 1145 if (pos != cur_cursor_pos) { 1146 cur_cursor_pos = pos; 1147 outb(crtc_addr,14); 1148 outb(crtc_addr+1,pos >> 8); 1149 outb(crtc_addr,15); 1150 outb(crtc_addr+1,pos&0xff); 1151 } 1152 } 1153} 1154 1155 1156int pccngetc(dev_t dev) 1157{ 1158 int s = spltty(); /* block scintr while we poll */ 1159 int c = scgetc(0); 1160 splx(s); 1161 if (c == '\r') c = '\n'; 1162 return(c); 1163} 1164 1165static void none_saver(int test) 1166{ 1167} 1168 1169static void fade_saver(int test) 1170{ 1171 static int count = 0; 1172 int i; 1173 1174 if (test) { 1175 scrn_blanked = 1; 1176 if (count < 64) { 1177 outb(PIXMASK, 0xFF); /* no pixelmask */ 1178 outb(PALWADR, 0x00); 1179 outb(PALDATA, 0); 1180 outb(PALDATA, 0); 1181 outb(PALDATA, 0); 1182 for (i = 3; i < 768; i++) { 1183 if (palette[i] - count > 15) 1184 outb(PALDATA, palette[i]-count); 1185 else 1186 outb(PALDATA, 15); 1187 } 1188 inb(crtc_addr+6); /* reset flip/flop */ 1189 outb(ATC, 0x20); /* enable palette */ 1190 count++; 1191 } 1192 } 1193 else { 1194 count = scrn_blanked = 0; 1195 load_palette(); 1196 } 1197} 1198 1199static void blank_saver(int test) 1200{ 1201 u_char val; 1202 if (test) { 1203 scrn_blanked = 1; 1204 outb(TSIDX, 0x01); val = inb(TSREG); 1205 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1206 } 1207 else { 1208 scrn_blanked = 0; 1209 outb(TSIDX, 0x01); val = inb(TSREG); 1210 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1211 } 1212} 1213 1214static u_long rand_next = 1; 1215 1216static int rand() 1217{ 1218 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1219} 1220 1221/* 1222 * Alternate saver that got its inspiration from a well known utility 1223 * package for an unfamous OS. 1224 */ 1225 1226#define NUM_STARS 50 1227 1228static void star_saver(int test) 1229{ 1230 scr_stat *scp = cur_console; 1231 int cell, i; 1232 char pattern[] = {"...........++++*** "}; 1233 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1234 FG_WHITE, FG_LIGHTCYAN}; 1235 static u_short stars[NUM_STARS][2]; 1236 1237 if (test) { 1238 if (!scrn_blanked) { 1239 bcopy(Crtat, scp->scr_buf, 1240 scp->xsize * scp->ysize * 2); 1241 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1242 scp->xsize * scp->ysize); 1243 set_border(0); 1244 i = scp->ysize * scp->xsize + 5; 1245 outb(crtc_addr, 14); 1246 outb(crtc_addr+1, i >> 8); 1247 outb(crtc_addr, 15); 1248 outb(crtc_addr+1, i & 0xff); 1249 scrn_blanked = 1; 1250 for(i=0; i<NUM_STARS; i++) { 1251 stars[i][0] = 1252 rand() % (scp->xsize*scp->ysize); 1253 stars[i][1] = 0; 1254 } 1255 } 1256 cell = rand() % NUM_STARS; 1257 *((u_short*)(Crtat + stars[cell][0])) = 1258 scr_map[pattern[stars[cell][1]]] | 1259 colors[rand()%sizeof(colors)] << 8; 1260 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1261 stars[cell][0] = rand() % (scp->xsize*scp->ysize); 1262 stars[cell][1] = 0; 1263 } 1264 } 1265 else { 1266 if (scrn_blanked) { 1267 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1268 cur_cursor_pos = -1; 1269 set_border(scp->border); 1270 scrn_blanked = 0; 1271 } 1272 } 1273} 1274 1275 1276static void snake_saver(int test) 1277{ 1278 const char saves[] = {"FreeBSD"}; 1279 static u_char *savs[sizeof(saves)-1]; 1280 static int dirx, diry; 1281 int f; 1282 scr_stat *scp = cur_console; 1283 1284 if (test) { 1285 if (!scrn_blanked) { 1286 bcopy(Crtat, scp->scr_buf, 1287 scp->xsize * scp->ysize * 2); 1288 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1289 Crtat, scp->xsize * scp->ysize); 1290 set_border(0); 1291 dirx = (scp->xpos ? 1 : -1); 1292 diry = (scp->ypos ? 1293 scp->xsize : -scp->xsize); 1294 for (f=0; f< sizeof(saves)-1; f++) 1295 savs[f] = (u_char *)Crtat + 2 * 1296 (scp->xpos+scp->ypos*scp->xsize); 1297 *(savs[0]) = scr_map[*saves]; 1298 f = scp->ysize * scp->xsize + 5; 1299 outb(crtc_addr, 14); 1300 outb(crtc_addr+1, f >> 8); 1301 outb(crtc_addr, 15); 1302 outb(crtc_addr+1, f & 0xff); 1303 scrn_blanked = 1; 1304 } 1305 if (scrn_blanked++ < 4) 1306 return; 1307 scrn_blanked = 1; 1308 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1309 for (f=sizeof(saves)-2; f > 0; f--) 1310 savs[f] = savs[f-1]; 1311 f = (savs[0] - (u_char *)Crtat) / 2; 1312 if ((f % scp->xsize) == 0 || 1313 (f % scp->xsize) == scp->xsize - 1 || 1314 (rand() % 50) == 0) 1315 dirx = -dirx; 1316 if ((f / scp->xsize) == 0 || 1317 (f / scp->xsize) == scp->ysize - 1 || 1318 (rand() % 20) == 0) 1319 diry = -diry; 1320 savs[0] += 2*dirx + 2*diry; 1321 for (f=sizeof(saves)-2; f>=0; f--) 1322 *(savs[f]) = scr_map[saves[f]]; 1323 } 1324 else { 1325 if (scrn_blanked) { 1326 bcopy(scp->scr_buf, Crtat, 1327 scp->xsize * scp->ysize * 2); 1328 cur_cursor_pos = -1; 1329 set_border(scp->border); 1330 scrn_blanked = 0; 1331 } 1332 } 1333} 1334 1335static void cursor_shape(int start, int end) 1336{ 1337 outb(crtc_addr, 10); 1338 outb(crtc_addr+1, start & 0xFF); 1339 outb(crtc_addr, 11); 1340 outb(crtc_addr+1, end & 0xFF); 1341} 1342 1343 1344#if !defined(FAT_CURSOR) 1345static void get_cursor_shape(int *start, int *end) 1346{ 1347 outb(crtc_addr, 10); 1348 *start = inb(crtc_addr+1) & 0x1F; 1349 outb(crtc_addr, 11); 1350 *end = inb(crtc_addr+1) & 0x1F; 1351} 1352#endif 1353 1354 1355static void cursor_pos(int force) 1356{ 1357 int pos; 1358 1359 if (cur_console->status & UNKNOWN_MODE) 1360 return; 1361 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1362 SCRN_SAVER(1); 1363 pos = cur_console->crtat - cur_console->crt_base; 1364 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1365 cur_cursor_pos = pos; 1366 outb(crtc_addr, 14); 1367 outb(crtc_addr+1, pos>>8); 1368 outb(crtc_addr, 15); 1369 outb(crtc_addr+1, pos&0xff); 1370 } 1371 timeout((timeout_t)cursor_pos, 0, hz/20); 1372} 1373 1374 1375static void clear_screen(scr_stat *scp) 1376{ 1377 move_crsr(scp, 0, 0); 1378 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1379 scp->xsize * scp->ysize); 1380} 1381 1382 1383static int switch_scr(u_int next_scr) 1384{ 1385 if (in_putc) { /* delay switch if in putc */ 1386 delayed_next_scr = next_scr+1; 1387 return 0; 1388 } 1389 if (switch_in_progress && 1390 (cur_console->proc != pfind(cur_console->pid))) 1391 switch_in_progress = 0; 1392 1393 if (next_scr >= NCONS || switch_in_progress) { 1394 sysbeep(BELL_PITCH, BELL_DURATION); 1395 return EINVAL; 1396 } 1397 1398 /* is the wanted virtual console open ? */ 1399 if (next_scr) { 1400 struct tty *tp = VIRTUAL_TTY(next_scr); 1401 if (!(tp->t_state & TS_ISOPEN)) { 1402 sysbeep(BELL_PITCH, BELL_DURATION); 1403 return EINVAL; 1404 } 1405 } 1406 1407 switch_in_progress = 1; 1408 old_scp = cur_console; 1409 new_scp = &console[next_scr]; 1410 wakeup((caddr_t)&new_scp->smode); 1411 if (new_scp == old_scp) { 1412 switch_in_progress = 0; 1413 return 0; 1414 } 1415 1416 /* has controlling process died? */ 1417 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1418 old_scp->smode.mode = VT_AUTO; 1419 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1420 new_scp->smode.mode = VT_AUTO; 1421 1422 /* check the modes and switch approbiatly */ 1423 if (old_scp->smode.mode == VT_PROCESS) { 1424 old_scp->status |= SWITCH_WAIT_REL; 1425 psignal(old_scp->proc, old_scp->smode.relsig); 1426 } 1427 else { 1428 exchange_scr(); 1429 if (new_scp->smode.mode == VT_PROCESS) { 1430 new_scp->status |= SWITCH_WAIT_ACQ; 1431 psignal(new_scp->proc, new_scp->smode.acqsig); 1432 } 1433 else 1434 switch_in_progress = 0; 1435 } 1436 return 0; 1437} 1438 1439 1440static void exchange_scr(void) 1441{ 1442 struct tty *tp; 1443 1444 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1445 old_scp->crt_base = old_scp->scr_buf; 1446 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1447 cur_console = new_scp; 1448 set_mode(new_scp); 1449 new_scp->crt_base = Crtat; 1450 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1451 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1452 update_leds(new_scp->status & LED_MASK); 1453 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1454 shfts = ctls = alts = agrs = metas = 0; 1455 delayed_next_scr = 0; 1456} 1457 1458 1459static void move_crsr(scr_stat *scp, int x, int y) 1460{ 1461 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1462 return; 1463 scp->xpos = x; 1464 scp->ypos = y; 1465 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1466} 1467 1468#if 0 1469static void move_up(u_short *s, u_short *d, u_int len) 1470{ 1471 s += len; 1472 d += len; 1473 while (len-- > 0) 1474 *--d = *--s; 1475} 1476#endif 1477 1478 1479#if 0 1480static void move_down(u_short *s, u_short *d, u_int len) 1481{ 1482 while (len-- > 0) 1483 *d++ = *s++; 1484} 1485#endif 1486#define move_down(s,d,len) bcopyw(s,d,len/2) 1487#define move_up(s,d,len) bcopyw(s,d,len/2) 1488 1489 1490static void scan_esc(scr_stat *scp, u_char c) 1491{ 1492 static u_char ansi_col[16] = 1493 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1494 int i, n; 1495 u_short *src, *dst, count; 1496 1497 if (scp->term.esc == 1) { 1498 switch (c) { 1499 1500 case '[': /* Start ESC [ sequence */ 1501 scp->term.esc = 2; 1502 scp->term.last_param = -1; 1503 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1504 scp->term.param[i] = 1; 1505 scp->term.num_param = 0; 1506 return; 1507 1508 case 'M': /* Move cursor up 1 line, scroll if at top */ 1509 if (scp->ypos > 0) 1510 move_crsr(scp, scp->xpos, scp->ypos - 1); 1511 else { 1512 move_up(scp->crt_base, 1513 scp->crt_base + scp->xsize, 1514 (scp->ysize - 1) * scp->xsize); 1515 fillw(scp->term.cur_attr | scr_map[0x20], 1516 scp->crt_base, scp->xsize); 1517 } 1518 break; 1519#if notyet 1520 case 'Q': 1521 scp->term.esc = 4; 1522 break; 1523#endif 1524 case 'c': /* Clear screen & home */ 1525 clear_screen(scp); 1526 break; 1527 } 1528 } 1529 else if (scp->term.esc == 2) { 1530 if (c >= '0' && c <= '9') { 1531 if (scp->term.num_param < MAX_ESC_PAR) { 1532 if (scp->term.last_param != scp->term.num_param) { 1533 scp->term.last_param = scp->term.num_param; 1534 scp->term.param[scp->term.num_param] = 0; 1535 } 1536 else 1537 scp->term.param[scp->term.num_param] *= 10; 1538 scp->term.param[scp->term.num_param] += c - '0'; 1539 return; 1540 } 1541 } 1542 scp->term.num_param = scp->term.last_param + 1; 1543 switch (c) { 1544 1545 case ';': 1546 if (scp->term.num_param < MAX_ESC_PAR) 1547 return; 1548 break; 1549 1550 case '=': 1551 scp->term.esc = 3; 1552 scp->term.last_param = -1; 1553 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1554 scp->term.param[i] = 1; 1555 scp->term.num_param = 0; 1556 return; 1557 1558 case 'A': /* up n rows */ 1559 n = scp->term.param[0]; if (n < 1) n = 1; 1560 move_crsr(scp, scp->xpos, scp->ypos - n); 1561 break; 1562 1563 case 'B': /* down n rows */ 1564 n = scp->term.param[0]; if (n < 1) n = 1; 1565 move_crsr(scp, scp->xpos, scp->ypos + n); 1566 break; 1567 1568 case 'C': /* right n columns */ 1569 n = scp->term.param[0]; if (n < 1) n = 1; 1570 move_crsr(scp, scp->xpos + n, scp->ypos); 1571 break; 1572 1573 case 'D': /* left n columns */ 1574 n = scp->term.param[0]; if (n < 1) n = 1; 1575 move_crsr(scp, scp->xpos - n, scp->ypos); 1576 break; 1577 1578 case 'E': /* cursor to start of line n lines down */ 1579 n = scp->term.param[0]; if (n < 1) n = 1; 1580 move_crsr(scp, 0, scp->ypos + n); 1581 break; 1582 1583 case 'F': /* cursor to start of line n lines up */ 1584 n = scp->term.param[0]; if (n < 1) n = 1; 1585 move_crsr(scp, 0, scp->ypos - n); 1586 break; 1587 1588 case 'f': /* System V consoles .. */ 1589 case 'H': /* Cursor move */ 1590 if (scp->term.num_param == 0) 1591 move_crsr(scp, 0, 0); 1592 else if (scp->term.num_param == 2) 1593 move_crsr(scp, scp->term.param[1] - 1, 1594 scp->term.param[0] - 1); 1595 break; 1596 1597 case 'J': /* Clear all or part of display */ 1598 if (scp->term.num_param == 0) 1599 n = 0; 1600 else 1601 n = scp->term.param[0]; 1602 switch (n) { 1603 case 0: /* clear form cursor to end of display */ 1604 fillw(scp->term.cur_attr | scr_map[0x20], 1605 scp->crtat, scp->crt_base + 1606 scp->xsize * scp->ysize - 1607 scp->crtat); 1608 break; 1609 case 1: /* clear from beginning of display to cursor */ 1610 fillw(scp->term.cur_attr | scr_map[0x20], 1611 scp->crt_base, 1612 scp->crtat - scp->crt_base); 1613 break; 1614 case 2: /* clear entire display */ 1615 clear_screen(scp); 1616 break; 1617 } 1618 break; 1619 1620 case 'K': /* Clear all or part of line */ 1621 if (scp->term.num_param == 0) 1622 n = 0; 1623 else 1624 n = scp->term.param[0]; 1625 switch (n) { 1626 case 0: /* clear form cursor to end of line */ 1627 fillw(scp->term.cur_attr | scr_map[0x20], 1628 scp->crtat, scp->xsize - scp->xpos); 1629 break; 1630 case 1: /* clear from beginning of line to cursor */ 1631 fillw(scp->term.cur_attr|scr_map[0x20], 1632 scp->crtat - (scp->xsize - scp->xpos), 1633 (scp->xsize - scp->xpos) + 1); 1634 break; 1635 case 2: /* clear entire line */ 1636 fillw(scp->term.cur_attr|scr_map[0x20], 1637 scp->crtat - (scp->xsize - scp->xpos), 1638 scp->xsize); 1639 break; 1640 } 1641 break; 1642 1643 case 'L': /* Insert n lines */ 1644 n = scp->term.param[0]; if (n < 1) n = 1; 1645 if (n > scp->ysize - scp->ypos) 1646 n = scp->ysize - scp->ypos; 1647 src = scp->crt_base + scp->ypos * scp->xsize; 1648 dst = src + n * scp->xsize; 1649 count = scp->ysize - (scp->ypos + n); 1650 move_up(src, dst, count * scp->xsize); 1651 fillw(scp->term.cur_attr | scr_map[0x20], src, 1652 n * scp->xsize); 1653 break; 1654 1655 case 'M': /* Delete n lines */ 1656 n = scp->term.param[0]; if (n < 1) n = 1; 1657 if (n > scp->ysize - scp->ypos) 1658 n = scp->ysize - scp->ypos; 1659 dst = scp->crt_base + scp->ypos * scp->xsize; 1660 src = dst + n * scp->xsize; 1661 count = scp->ysize - (scp->ypos + n); 1662 move_down(src, dst, count * scp->xsize); 1663 src = dst + count * scp->xsize; 1664 fillw(scp->term.cur_attr | scr_map[0x20], src, 1665 n * scp->xsize); 1666 break; 1667 1668 case 'P': /* Delete n chars */ 1669 n = scp->term.param[0]; if (n < 1) n = 1; 1670 if (n > scp->xsize - scp->xpos) 1671 n = scp->xsize - scp->xpos; 1672 dst = scp->crtat; 1673 src = dst + n; 1674 count = scp->xsize - (scp->xpos + n); 1675 move_down(src, dst, count); 1676 src = dst + count; 1677 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1678 break; 1679 1680 case '@': /* Insert n chars */ 1681 n = scp->term.param[0]; if (n < 1) n = 1; 1682 if (n > scp->xsize - scp->xpos) 1683 n = scp->xsize - scp->xpos; 1684 src = scp->crtat; 1685 dst = src + n; 1686 count = scp->xsize - (scp->xpos + n); 1687 move_up(src, dst, count); 1688 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1689 break; 1690 1691 case 'S': /* scroll up n lines */ 1692 n = scp->term.param[0]; if (n < 1) n = 1; 1693 bcopy(scp->crt_base + (scp->xsize * n), 1694 scp->crt_base, 1695 scp->xsize * (scp->ysize - n) * 1696 sizeof(u_short)); 1697 fillw(scp->term.cur_attr | scr_map[0x20], 1698 scp->crt_base + scp->xsize * 1699 (scp->ysize - 1), 1700 scp->xsize); 1701 break; 1702 1703 case 'T': /* scroll down n lines */ 1704 n = scp->term.param[0]; if (n < 1) n = 1; 1705 bcopy(scp->crt_base, 1706 scp->crt_base + (scp->xsize * n), 1707 scp->xsize * (scp->ysize - n) * 1708 sizeof(u_short)); 1709 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1710 scp->xsize); 1711 break; 1712 1713 case 'X': /* delete n characters in line */ 1714 n = scp->term.param[0]; if (n < 1) n = 1; 1715 fillw(scp->term.cur_attr | scr_map[0x20], 1716 scp->crt_base + scp->xpos + 1717 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1718 break; 1719 1720 case 'Z': /* move n tabs backwards */ 1721 n = scp->term.param[0]; if (n < 1) n = 1; 1722 if ((i = scp->xpos & 0xf8) == scp->xpos) 1723 i -= 8*n; 1724 else 1725 i -= 8*(n-1); 1726 if (i < 0) 1727 i = 0; 1728 move_crsr(scp, i, scp->ypos); 1729 break; 1730 1731 case '`': /* move cursor to column n */ 1732 n = scp->term.param[0]; if (n < 1) n = 1; 1733 move_crsr(scp, n, scp->ypos); 1734 break; 1735 1736 case 'a': /* move cursor n columns to the right */ 1737 n = scp->term.param[0]; if (n < 1) n = 1; 1738 move_crsr(scp, scp->xpos + n, scp->ypos); 1739 break; 1740 1741 case 'd': /* move cursor to row n */ 1742 n = scp->term.param[0]; if (n < 1) n = 1; 1743 move_crsr(scp, scp->xpos, n); 1744 break; 1745 1746 case 'e': /* move cursor n rows down */ 1747 n = scp->term.param[0]; if (n < 1) n = 1; 1748 move_crsr(scp, scp->xpos, scp->ypos + n); 1749 break; 1750 1751 case 'm': /* change attribute */ 1752 if (scp->term.num_param == 0) 1753 n = 0; 1754 else 1755 n = scp->term.param[0]; 1756 switch (n) { 1757 case 0: /* back to normal */ 1758 scp->term.cur_attr = scp->term.std_attr; 1759 break; 1760 case 1: /* highlight (bold) */ 1761 scp->term.cur_attr &= 0xFF00; 1762 scp->term.cur_attr |= 0x0800; 1763 break; 1764 case 4: /* highlight (underline) */ 1765 scp->term.cur_attr &= 0x0F00; 1766 scp->term.cur_attr |= 0x0800; 1767 break; 1768 case 5: /* blink */ 1769 scp->term.cur_attr &= 0xFF00; 1770 scp->term.cur_attr |= 0x8000; 1771 break; 1772 case 7: /* reverse video */ 1773 scp->term.cur_attr = scp->term.rev_attr; 1774 break; 1775 case 30: case 31: case 32: case 33: /* set fg color */ 1776 case 34: case 35: case 36: case 37: 1777 scp->term.cur_attr = (scp->term.cur_attr & 0xF0FF) 1778 | (ansi_col[(n - 30) & 7] << 8); 1779 break; 1780 case 40: case 41: case 42: case 43: /* set bg color */ 1781 case 44: case 45: case 46: case 47: 1782 scp->term.cur_attr = (scp->term.cur_attr & 0x0FFF) 1783 | (ansi_col[(n - 40) & 7] << 12); 1784 break; 1785 } 1786 break; 1787 1788 case 'x': 1789 if (scp->term.num_param == 0) 1790 n = 0; 1791 else 1792 n = scp->term.param[0]; 1793 switch (n) { 1794 case 0: /* reset attributes */ 1795 scp->term.cur_attr = scp->term.std_attr = 1796 current_default->std_attr; 1797 scp->term.rev_attr = current_default->rev_attr; 1798 break; 1799 case 1: /* set ansi background */ 1800 scp->term.cur_attr = scp->term.std_attr = 1801 (scp->term.std_attr & 0x0F00) | 1802 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1803 break; 1804 case 2: /* set ansi foreground */ 1805 scp->term.cur_attr = scp->term.std_attr = 1806 (scp->term.std_attr & 0xF000) | 1807 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1808 break; 1809 case 3: /* set ansi attribute directly */ 1810 scp->term.cur_attr = scp->term.std_attr = 1811 (scp->term.param[1]&0xFF)<<8; 1812 break; 1813 case 5: /* set ansi reverse video background */ 1814 scp->term.rev_attr = 1815 (scp->term.rev_attr & 0x0F00) | 1816 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1817 break; 1818 case 6: /* set ansi reverse video foreground */ 1819 scp->term.rev_attr = 1820 (scp->term.rev_attr & 0xF000) | 1821 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1822 break; 1823 case 7: /* set ansi reverse video directly */ 1824 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1825 break; 1826 } 1827 break; 1828 1829 case 'z': /* switch to (virtual) console n */ 1830 if (scp->term.num_param == 1) 1831 switch_scr(scp->term.param[0]); 1832 break; 1833 } 1834 } 1835 else if (scp->term.esc == 3) { 1836 if (c >= '0' && c <= '9') { 1837 if (scp->term.num_param < MAX_ESC_PAR) { 1838 if (scp->term.last_param != scp->term.num_param) { 1839 scp->term.last_param = scp->term.num_param; 1840 scp->term.param[scp->term.num_param] = 0; 1841 } 1842 else 1843 scp->term.param[scp->term.num_param] *= 10; 1844 scp->term.param[scp->term.num_param] += c - '0'; 1845 return; 1846 } 1847 } 1848 scp->term.num_param = scp->term.last_param + 1; 1849 switch (c) { 1850 1851 case ';': 1852 if (scp->term.num_param < MAX_ESC_PAR) 1853 return; 1854 break; 1855 1856 case 'A': /* set display border color */ 1857 if (scp->term.num_param == 1) 1858 scp->border=scp->term.param[0] & 0xff; 1859 if (scp == cur_console) 1860 set_border(scp->border); 1861 break; 1862 1863 case 'B': /* set bell pitch and duration */ 1864 if (scp->term.num_param == 2) { 1865 scp->bell_pitch = scp->term.param[0]; 1866 scp->bell_duration = scp->term.param[1]*10; 1867 } 1868 break; 1869 1870 case 'C': /* set cursor shape (start & end line) */ 1871 if (scp->term.num_param == 2) { 1872 scp->cursor_start = scp->term.param[0] & 0x1F; 1873 scp->cursor_end = scp->term.param[1] & 0x1F; 1874 if (scp == cur_console) 1875 cursor_shape(scp->cursor_start, 1876 scp->cursor_end); 1877 } 1878 break; 1879 1880 case 'F': /* set ansi foreground */ 1881 if (scp->term.num_param == 1) 1882 scp->term.cur_attr = scp->term.std_attr = 1883 (scp->term.std_attr & 0xF000) 1884 | ((scp->term.param[0] & 0x0F) << 8); 1885 break; 1886 1887 case 'G': /* set ansi background */ 1888 if (scp->term.num_param == 1) 1889 scp->term.cur_attr = scp->term.std_attr = 1890 (scp->term.std_attr & 0x0F00) 1891 | ((scp->term.param[0] & 0x0F) << 12); 1892 break; 1893 1894 case 'H': /* set ansi reverse video foreground */ 1895 if (scp->term.num_param == 1) 1896 scp->term.rev_attr = 1897 (scp->term.rev_attr & 0xF000) 1898 | ((scp->term.param[0] & 0x0F) << 8); 1899 break; 1900 1901 case 'I': /* set ansi reverse video background */ 1902 if (scp->term.num_param == 1) 1903 scp->term.rev_attr = 1904 (scp->term.rev_attr & 0x0F00) 1905 | ((scp->term.param[0] & 0x0F) << 12); 1906 break; 1907 } 1908 } 1909 scp->term.esc = 0; 1910} 1911 1912 1913static void ansi_put(scr_stat *scp, u_char c) 1914{ 1915 if (scp->status & UNKNOWN_MODE) 1916 return; 1917 1918 /* make screensaver happy */ 1919 if (scp == cur_console) { 1920 scrn_time_stamp = time.tv_sec; 1921 if (scrn_blanked) 1922 SCRN_SAVER(0); 1923 } 1924 in_putc++; 1925 if (scp->term.esc) 1926 scan_esc(scp, c); 1927 else switch(c) { 1928 case 0x1B: /* start escape sequence */ 1929 scp->term.esc = 1; 1930 scp->term.num_param = 0; 1931 break; 1932 case 0x07: 1933 if (scp == cur_console) 1934 sysbeep(scp->bell_pitch, scp->bell_duration); 1935 break; 1936 case '\t': /* non-destructive tab */ 1937 scp->crtat += (8 - scp->xpos % 8); 1938 scp->xpos += (8 - scp->xpos % 8); 1939 break; 1940 case '\b': /* non-destructive backspace */ 1941 if (scp->crtat > scp->crt_base) { 1942 scp->crtat--; 1943 if (scp->xpos > 0) 1944 scp->xpos--; 1945 else { 1946 scp->xpos += scp->xsize - 1; 1947 scp->ypos--; 1948 } 1949 } 1950 break; 1951 case '\r': /* return to pos 0 */ 1952 move_crsr(scp, 0, scp->ypos); 1953 break; 1954 case '\n': /* newline, same pos */ 1955 scp->crtat += scp->xsize; 1956 scp->ypos++; 1957 break; 1958 case '\f': /* form feed, clears screen */ 1959 clear_screen(scp); 1960 break; 1961 default: 1962 /* Print only printables */ 1963 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 1964 scp->crtat++; 1965 if (++scp->xpos >= scp->xsize) { 1966 scp->xpos = 0; 1967 scp->ypos++; 1968 } 1969 break; 1970 } 1971 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 1972 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 1973 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1974 fillw(scp->term.cur_attr | scr_map[0x20], 1975 scp->crt_base + scp->xsize * (scp->ysize - 1), 1976 scp->xsize); 1977 scp->crtat -= scp->xsize; 1978 scp->ypos--; 1979 } 1980 in_putc--; 1981 if (delayed_next_scr) 1982 switch_scr(delayed_next_scr - 1); 1983} 1984 1985static void scinit(void) 1986{ 1987 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1988 unsigned cursorat; 1989 int i; 1990 1991 /* 1992 * catch that once in a blue moon occurence when scinit is called 1993 * TWICE, adding the CGA_BUF offset again -> poooff 1994 */ 1995 if (crtat != 0) 1996 return; 1997 /* 1998 * Crtat initialized to point to MONO buffer, if not present change 1999 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 2000 * in the remapped offset at the "right" time 2001 */ 2002 was = *cp; 2003 *cp = (u_short) 0xA55A; 2004 if (*cp != 0xA55A) { 2005 crtc_addr = MONO_BASE; 2006 } else { 2007 *cp = was; 2008 crtc_addr = COLOR_BASE; 2009 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2010 } 2011 2012 /* Extract cursor location */ 2013 outb(crtc_addr,14); 2014 cursorat = inb(crtc_addr+1)<<8 ; 2015 outb(crtc_addr,15); 2016 cursorat |= inb(crtc_addr+1); 2017 crtat = Crtat + cursorat; 2018 2019 /* is this a VGA or higher ? */ 2020 outb(crtc_addr, 7); 2021 if (inb(crtc_addr) == 7) 2022 crtc_vga = 1; 2023 2024 current_default = &user_default; 2025 console[0].crtat = crtat; 2026 console[0].crt_base = Crtat; 2027 console[0].term.esc = 0; 2028 console[0].term.std_attr = current_default->std_attr; 2029 console[0].term.rev_attr = current_default->rev_attr; 2030 console[0].term.cur_attr = current_default->std_attr; 2031 console[0].xpos = cursorat % COL; 2032 console[0].ypos = cursorat / COL; 2033 console[0].border = BG_BLACK;; 2034 console[0].xsize = COL; 2035 console[0].ysize = ROW; 2036 console[0].status = 0; 2037 console[0].pid = 0; 2038 console[0].proc = NULL; 2039 console[0].smode.mode = VT_AUTO; 2040 console[0].bell_pitch = BELL_PITCH; 2041 console[0].bell_duration = BELL_DURATION; 2042 kernel_console.esc = 0; 2043 kernel_console.std_attr = kernel_default.std_attr; 2044 kernel_console.rev_attr = kernel_default.rev_attr; 2045 kernel_console.cur_attr = kernel_default.std_attr; 2046 /* initialize mapscrn array to a one to one map */ 2047 for (i=0; i<sizeof(scr_map); i++) 2048 scr_map[i] = i; 2049 clear_screen(&console[0]); 2050} 2051 2052 2053static void scput(u_char c) 2054{ 2055 scr_stat *scp = &console[0]; 2056 term_stat save; 2057 2058 if (crtat == 0) 2059 scinit(); 2060 if( in_putc == 0) { 2061 ++in_putc; 2062 save = scp->term; 2063 scp->term = kernel_console; 2064 current_default = &kernel_default; 2065 ansi_put(scp, c); 2066 kernel_console = scp->term; 2067 current_default = &user_default; 2068 scp->term = save; 2069 --in_putc; 2070 } else { 2071 if( console_buffer_count < CONSOLE_BUFFER_SIZE) 2072 console_buffer[console_buffer_count++] = c; 2073 } 2074} 2075 2076 2077static u_char *get_fstr(u_int c, u_int *len) 2078{ 2079 u_int i; 2080 2081 if (!(c & FKEY)) 2082 return(NULL); 2083 i = (c & 0xFF) - F_FN; 2084 if (i > n_fkey_tab) 2085 return(NULL); 2086 *len = fkey_tab[i].len; 2087 return(fkey_tab[i].str); 2088} 2089 2090 2091static void update_leds(int which) 2092{ 2093 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2094 2095 kbd_cmd2(KB_SETLEDS, xlate_leds[which & LED_MASK]); 2096} 2097 2098 2099/* 2100 * scgetc(noblock) : get a character from the keyboard. 2101 * If noblock = 0 wait until a key is gotten. Otherwise return NOKEY. 2102 */ 2103u_int scgetc(int noblock) 2104{ 2105 u_char val, code, release; 2106 u_int state, action; 2107 struct key_t *key; 2108 static u_char esc_flag = 0, compose = 0; 2109 static u_int chr = 0; 2110 2111next_code: 2112 kbd_wait(); 2113 /* First see if there is something in the keyboard port */ 2114 if (inb(KB_STAT) & KB_BUF_FULL) 2115 val = inb(KB_DATA); 2116 else if (noblock) 2117 return(NOKEY); 2118 else 2119 goto next_code; 2120 2121 if (cur_console->status & KBD_RAW_MODE) 2122 return val; 2123 2124 code = val & 0x7F; 2125 release = val & 0x80; 2126 2127 switch (esc_flag) { 2128 case 0x00: /* normal scancode */ 2129 switch(code) { 2130 case 0x38: /* left alt (compose key) */ 2131 if (release && compose) { 2132 compose = 0; 2133 if (chr > 255) { 2134 sysbeep(BELL_PITCH, BELL_DURATION); 2135 chr = 0; 2136 } 2137 } 2138 else { 2139 if (!compose) { 2140 compose = 1; 2141 chr = 0; 2142 } 2143 } 2144 break; 2145 case 0x60: 2146 case 0x61: 2147 esc_flag = code; 2148 goto next_code; 2149 } 2150 break; 2151 case 0x60: /* 0xE0 prefix */ 2152 esc_flag = 0; 2153 switch (code) { 2154 case 0x1c: /* right enter key */ 2155 code = 0x59; 2156 break; 2157 case 0x1d: /* right ctrl key */ 2158 code = 0x5a; 2159 break; 2160 case 0x35: /* keypad divide key */ 2161 code = 0x5b; 2162 break; 2163 case 0x37: /* print scrn key */ 2164 code = 0x5c; 2165 break; 2166 case 0x38: /* right alt key (alt gr) */ 2167 code = 0x5d; 2168 break; 2169 case 0x47: /* grey home key */ 2170 code = 0x5e; 2171 break; 2172 case 0x48: /* grey up arrow key */ 2173 code = 0x5f; 2174 break; 2175 case 0x49: /* grey page up key */ 2176 code = 0x60; 2177 break; 2178 case 0x4b: /* grey left arrow key */ 2179 code = 0x61; 2180 break; 2181 case 0x4d: /* grey right arrow key */ 2182 code = 0x62; 2183 break; 2184 case 0x4f: /* grey end key */ 2185 code = 0x63; 2186 break; 2187 case 0x50: /* grey down arrow key */ 2188 code = 0x64; 2189 break; 2190 case 0x51: /* grey page down key */ 2191 code = 0x65; 2192 break; 2193 case 0x52: /* grey insert key */ 2194 code = 0x66; 2195 break; 2196 case 0x53: /* grey delete key */ 2197 code = 0x67; 2198 break; 2199 default: /* ignore everything else */ 2200 goto next_code; 2201 } 2202 break; 2203 case 0x61: /* 0xE1 prefix */ 2204 esc_flag = 0; 2205 if (code == 0x1D) 2206 esc_flag = 0x1D; 2207 goto next_code; 2208 /* NOT REACHED */ 2209 case 0x1D: /* pause / break */ 2210 esc_flag = 0; 2211 if (code != 0x45) 2212 goto next_code; 2213 code = 0x68; 2214 break; 2215 } 2216 2217 if (compose) { 2218 switch (code) { 2219 case 0x47: 2220 case 0x48: /* keypad 7,8,9 */ 2221 case 0x49: 2222 if (!release) 2223 chr = (code - 0x40) + chr*10; 2224 goto next_code; 2225 case 0x4b: 2226 case 0x4c: /* keypad 4,5,6 */ 2227 case 0x4d: 2228 if (!release) 2229 chr = (code - 0x47) + chr*10; 2230 goto next_code; 2231 case 0x4f: 2232 case 0x50: /* keypad 1,2,3 */ 2233 case 0x51: 2234 if (!release) 2235 chr = (code - 0x4e) + chr*10; 2236 goto next_code; 2237 case 0x52: /* keypad 0 */ 2238 if (!release) 2239 chr *= 10; 2240 goto next_code; 2241 case 0x38: /* left alt key */ 2242 break; 2243 default: 2244 if (chr) { 2245 compose = chr = 0; 2246 sysbeep(BELL_PITCH, BELL_DURATION); 2247 goto next_code; 2248 } 2249 break; 2250 } 2251 } 2252 2253 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2254 if ((!agrs && (cur_console->status & ALKED)) 2255 || (agrs && !(cur_console->status & ALKED))) 2256 code += ALTGR_OFFSET; 2257 key = &key_map.key[code]; 2258 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2259 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2260 state ^= 1; 2261 2262 /* Check for make/break */ 2263 action = key->map[state]; 2264 if (release) { /* key released */ 2265 if (key->spcl & 0x80) { 2266 switch (action) { 2267 case LSH: 2268 shfts &= ~1; 2269 break; 2270 case RSH: 2271 shfts &= ~2; 2272 break; 2273 case LCTR: 2274 ctls &= ~1; 2275 break; 2276 case RCTR: 2277 ctls &= ~2; 2278 break; 2279 case LALT: 2280 alts &= ~1; 2281 break; 2282 case RALT: 2283 alts &= ~2; 2284 break; 2285 case NLK: 2286 nlkcnt = 0; 2287 break; 2288 case CLK: 2289 clkcnt = 0; 2290 break; 2291 case SLK: 2292 slkcnt = 0; 2293 break; 2294 case ASH: 2295 agrs = 0; 2296 break; 2297 case ALK: 2298 alkcnt = 0; 2299 break; 2300 case META: 2301 metas = 0; 2302 break; 2303 } 2304 } 2305 if (chr && !compose) { 2306 action = chr; 2307 chr = 0; 2308 return(action); 2309 } 2310 } else { 2311 /* key pressed */ 2312 if (key->spcl & (0x80>>state)) { 2313 switch (action) { 2314 /* LOCKING KEYS */ 2315 case NLK: 2316 if (!nlkcnt) { 2317 nlkcnt++; 2318 if (cur_console->status & NLKED) 2319 cur_console->status &= ~NLKED; 2320 else 2321 cur_console->status |= NLKED; 2322 update_leds(cur_console->status & LED_MASK); 2323 } 2324 break; 2325 case CLK: 2326 if (!clkcnt) { 2327 clkcnt++; 2328 if (cur_console->status & CLKED) 2329 cur_console->status &= ~CLKED; 2330 else 2331 cur_console->status |= CLKED; 2332 update_leds(cur_console->status & LED_MASK); 2333 } 2334 break; 2335 case SLK: 2336 if (!slkcnt) { 2337 slkcnt++; 2338 if (cur_console->status & SLKED) { 2339 cur_console->status &= ~SLKED; 2340 pcstart(VIRTUAL_TTY(get_scr_num())); 2341 } 2342 else 2343 cur_console->status |= SLKED; 2344 update_leds(cur_console->status & LED_MASK); 2345 } 2346 break; 2347 case ALK: 2348 if (!alkcnt) { 2349 alkcnt++; 2350 if (cur_console->status & ALKED) 2351 cur_console->status &= ~ALKED; 2352 else 2353 cur_console->status |= ALKED; 2354 } 2355 break; 2356 2357 /* NON-LOCKING KEYS */ 2358 case NOP: 2359 break; 2360 case RBT: 2361#if defined(__FreeBSD__) 2362 shutdown_nice(); 2363#else 2364 cpu_reset(); 2365#endif 2366 break; 2367 case DBG: 2368#if DDB > 0 /* try to switch to console 0 */ 2369 if (cur_console->smode.mode == VT_AUTO && 2370 console[0].smode.mode == VT_AUTO) 2371 switch_scr(0); 2372 Debugger("manual escape to debugger"); 2373 return(NOKEY); 2374#else 2375 printf("No debugger in kernel\n"); 2376#endif 2377 break; 2378 case LSH: 2379 shfts |= 1; 2380 break; 2381 case RSH: 2382 shfts |= 2; 2383 break; 2384 case LCTR: 2385 ctls |= 1; 2386 break; 2387 case RCTR: 2388 ctls |= 2; 2389 break; 2390 case LALT: 2391 alts |= 1; 2392 break; 2393 case RALT: 2394 alts |= 2; 2395 break; 2396 case ASH: 2397 agrs = 1; 2398 break; 2399 case META: 2400 metas = 1; 2401 break; 2402 case NEXT: 2403 switch_scr((get_scr_num()+1)%NCONS); 2404 break; 2405 default: 2406 if (action >= F_SCR && action <= L_SCR) { 2407 switch_scr(action - F_SCR); 2408 break; 2409 } 2410 if (action >= F_FN && action <= L_FN) 2411 action |= FKEY; 2412 return(action); 2413 } 2414 } 2415 else { 2416 if (metas) 2417 action |= MKEY; 2418 return(action); 2419 } 2420 } 2421 goto next_code; 2422} 2423 2424 2425int getchar(void) 2426{ 2427 u_char thechar; 2428 int s; 2429 2430 polling = 1; 2431 s = splhigh(); 2432 scput('>'); 2433 thechar = (u_char) scgetc(0); 2434 polling = 0; 2435 splx(s); 2436 switch (thechar) { 2437 default: 2438 if (thechar >= scr_map[0x20]) 2439 scput(thechar); 2440 return(thechar); 2441 case cr: 2442 case lf: 2443 scput(cr); scput(lf); 2444 return(lf); 2445 case bs: 2446 case del: 2447 scput(bs); scput(scr_map[0x20]); scput(bs); 2448 return(thechar); 2449 case cntld: 2450 scput('^'); scput('D'); scput('\r'); scput('\n'); 2451 return(0); 2452 } 2453} 2454 2455 2456u_int sgetc(int noblock) 2457{ 2458 return (scgetc(noblock) & 0xff); 2459} 2460 2461int pcmmap(dev_t dev, int offset, int nprot) 2462{ 2463 if (offset > 0x20000) 2464 return EINVAL; 2465 return i386_btop((VIDEOMEM + offset)); 2466} 2467 2468 2469static void kbd_wait(void) 2470{ 2471 int i; 2472 2473 for (i=0; i<1000; i++) { /* up to 10 msec */ 2474 if ((inb(KB_STAT) & KB_READY) == 0) 2475 break; 2476 DELAY (10); 2477 } 2478} 2479 2480 2481static void kbd_cmd(u_char command) 2482{ 2483 kbd_wait(); 2484 outb(KB_DATA, command); 2485} 2486 2487 2488static void kbd_cmd2(u_char command, u_char arg) 2489{ 2490 int r, s = spltty(); 2491 do { 2492 kbd_cmd(command); 2493 r = kbd_reply(); 2494 if (r == KB_ACK) { 2495 kbd_cmd(arg & 0x7f); 2496 r = kbd_reply(); 2497 } 2498 } while (r != KB_ACK); 2499 splx(s); 2500} 2501 2502 2503static int kbd_reply() 2504{ 2505 int i; 2506 2507 kbd_wait(); 2508 for (i=0; i<60000; i++) { /* at least 300 msec, 600 msec enough */ 2509 if (inb(KB_STAT) & KB_BUF_FULL) 2510 return ((u_char) inb(KB_DATA)); 2511 DELAY (10); 2512 } 2513 return(-1); 2514} 2515 2516 2517static void set_mode(scr_stat *scp) 2518{ 2519 u_char byte; 2520 int s; 2521 2522 if (scp != cur_console) 2523 return; 2524 2525 /* (re)activate cursor */ 2526 untimeout((timeout_t)cursor_pos, 0); 2527 cursor_pos(1); 2528 2529 /* change cursor type if set */ 2530 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2531 cursor_shape(scp->cursor_start, scp->cursor_end); 2532 2533 /* mode change only on VGA's */ 2534 if (!crtc_vga) 2535 return; 2536 2537 /* setup video hardware for the given mode */ 2538 s = splhigh(); 2539 switch(scp->mode) { 2540 case TEXT80x25: 2541 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2542 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2543 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2544 break; 2545 case TEXT80x50: 2546 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2547 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2548 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2549 break; 2550 default: 2551 break; 2552 } 2553 splx(s); 2554 2555 /* set border color for this (virtual) console */ 2556 set_border(scp->border); 2557 return; 2558} 2559 2560 2561static void set_border(int color) 2562{ 2563 inb(crtc_addr+6); /* reset flip-flop */ 2564 outb(ATC, 0x11); outb(ATC, color); 2565 inb(crtc_addr+6); /* reset flip-flop */ 2566 outb(ATC, 0x20); /* enable Palette */ 2567} 2568 2569static void load_font(int segment, int size, char* font) 2570{ 2571 int ch, line, s; 2572 u_char val; 2573 2574 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2575 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2576 2577 /* setup vga for loading fonts (graphics plane mode) */ 2578 s = splhigh(); 2579 inb(crtc_addr+6); /* reset flip/flop */ 2580 outb(ATC, 0x30); outb(ATC, 0x01); 2581 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2582 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2583 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2584 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2585 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2586 splx(s); 2587 for (ch=0; ch < 256; ch++) 2588 for (line=0; line < size; line++) 2589 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2590 font[(ch*size)+line]; 2591 /* setup vga for text mode again */ 2592 s = splhigh(); 2593 inb(crtc_addr+6); /* reset flip/flop */ 2594 outb(ATC, 0x30); outb(ATC, 0x0C); 2595 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2596 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2597 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2598 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2599 if (crtc_addr == MONO_BASE) { 2600 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2601 } 2602 else { 2603 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2604 } 2605 splx(s); 2606 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2607 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2608} 2609 2610 2611static void load_palette(void) 2612{ 2613 int i; 2614 2615 outb(PIXMASK, 0xFF); /* no pixelmask */ 2616 outb(PALWADR, 0x00); 2617 for (i=0x00; i<0x300; i++) 2618 outb(PALDATA, palette[i]); 2619 inb(crtc_addr+6); /* reset flip/flop */ 2620 outb(ATC, 0x20); /* enable palette */ 2621} 2622 2623static void save_palette(void) 2624{ 2625 int i; 2626 2627 outb(PALRADR, 0x00); 2628 for (i=0x00; i<0x300; i++) 2629 palette[i] = inb(PALDATA); 2630 inb(crtc_addr+6); /* reset flip/flop */ 2631} 2632 2633 2634static void change_winsize(struct tty *tp, int x, int y) 2635{ 2636 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2637 tp->t_winsize.ws_col = x; 2638 tp->t_winsize.ws_row = y; 2639 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2640 } 2641} 2642 2643#endif /* NSC */ 2644