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 1.44 1994/04/21 14:22:26 sos Exp $ 39 * 40 */ 41 42 #if !defined(__FreeBSD__) 43 #define FAT_CURSOR 44 #endif 45 46 #include "param.h" 47 #include <sys/systm.h> 48 #include "conf.h" 49 #include "ioctl.h" 50 #include "proc.h" 51 #include "user.h" 52 #include "tty.h" 53 #include "uio.h" 54 #include "callout.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 119 120 typedef 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; 129 130 typedef 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; 150 151 typedef struct default_attr { 152 int std_attr; /* normal attributes */ 153 int rev_attr; /* reverse attributes */ 154 } default_attr; 155 156 static default_attr user_default = { 157 (FG_LIGHTGREY | BG_BLACK) << 8, 158 (FG_BLACK | BG_LIGHTGREY) << 8 159 }; 160 161 static default_attr kernel_default = { 162 (FG_WHITE | BG_BLACK) << 8, 163 (FG_BLACK | BG_LIGHTGREY) << 8 164 }; 165 166 #define CONSOLE_BUFFER_SIZE 1024 167 int console_buffer_count; 168 char console_buffer[CONSOLE_BUFFER_SIZE]; 169 170 static scr_stat console[NCONS]; 171 static scr_stat *cur_console = &console[0]; 172 static scr_stat *new_scp, *old_scp; 173 static term_stat kernel_console; 174 static default_attr *current_default; 175 static int switch_in_progress = 0; 176 static u_short *crtat = 0; 177 static u_int crtc_addr = MONO_BASE; 178 static char crtc_vga = 0; 179 static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 180 static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 181 static char palette[3*256]; 182 static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 183 static int cur_cursor_pos = -1; 184 static char in_putc = 0; 185 static char polling = 0; 186 static int delayed_next_scr; 187 static char saved_console = -1; /* saved console number */ 188 static long scrn_blank_time = 0; /* screen saver timout value */ 189 static int scrn_blanked = 0; /* screen saver active flag */ 190 static int scrn_saver = 0; /* screen saver routine */ 191 static long scrn_time_stamp; 192 static u_char scr_map[256]; 193 extern int hz; 194 extern struct timeval time; 195 196 /* function prototypes */ 197 int pcprobe(struct isa_device *dev); 198 int pcattach(struct isa_device *dev); 199 int pcopen(dev_t dev, int flag, int mode, struct proc *p); 200 int pcclose(dev_t dev, int flag, int mode, struct proc *p); 201 int pcread(dev_t dev, struct uio *uio, int flag); 202 int pcwrite(dev_t dev, struct uio *uio, int flag); 203 int pcparam(struct tty *tp, struct termios *t); 204 int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 205 void pcxint(dev_t dev); 206 void pcstart(struct tty *tp); 207 void pccnprobe(struct consdev *cp); 208 void pccninit(struct consdev *cp); 209 void pccnputc(dev_t dev, char c); 210 int pccngetc(dev_t dev); 211 void scintr(int unit); 212 int pcmmap(dev_t dev, int offset, int nprot); 213 u_int sgetc(int noblock); 214 int getchar(void); 215 static void scinit(void); 216 static void scput(u_char c); 217 static u_int scgetc(int noblock); 218 static struct tty *get_tty_ptr(dev_t dev); 219 static scr_stat *get_scr_stat(dev_t dev); 220 static int get_scr_num(); 221 static void cursor_shape(int start, int end); 222 static void get_cursor_shape(int *start, int *end); 223 static void cursor_pos(int force); 224 static void clear_screen(scr_stat *scp); 225 static int switch_scr(u_int next_scr); 226 static void exchange_scr(void); 227 static void move_crsr(scr_stat *scp, int x, int y); 228 static void move_up(u_short *s, u_short *d, u_int len); 229 static void move_down(u_short *s, u_short *d, u_int len); 230 static void scan_esc(scr_stat *scp, u_char c); 231 static void ansi_put(scr_stat *scp, u_char c); 232 static u_char *get_fstr(u_int c, u_int *len); 233 static void update_leds(int which); 234 static void kbd_wait(void); 235 static void kbd_cmd(u_char command); 236 static void kbd_cmd2(u_char command, u_char arg); 237 static int kbd_reply(void); 238 static void set_mode(scr_stat *scp); 239 static void set_border(int color); 240 static void load_font(int segment, int size, char* font); 241 static void save_palette(void); 242 static void load_palette(void); 243 static void change_winsize(struct tty *tp, int x, int y); 244 245 246 /* available screen savers */ 247 248 static void none_saver(int test); 249 static void blank_saver(int test); 250 static void fade_saver(int test); 251 static void star_saver(int test); 252 static void snake_saver(int test); 253 254 static 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 274 extern u_short *Crtat; 275 struct tty *pc_tty[NCONS+1]; 276 int ttrstrt(); 277 #endif 278 279 #if defined(__FreeBSD__) 280 #if 0 281 #define VIRTUAL_TTY(x) (pccons[x] = ttymalloc(pccons[x])) 282 #define CONSOLE_TTY (pccons[NCONS] = ttymalloc(pccons[NCONS])) 283 struct tty *pccons[NCONS+1]; 284 #else 285 #define VIRTUAL_TTY(x) &pccons[x] 286 #define CONSOLE_TTY &pccons[NCONS] 287 struct tty pccons[NCONS+1]; 288 #endif 289 #define timeout_t timeout_func_t 290 #define frametype struct trapframe 291 #define eflags tf_eflags 292 #define MONO_BUF (KERNBASE+0xB0000) 293 #define CGA_BUF (KERNBASE+0xB8000) 294 #endif 295 296 #if defined(__386BSD__) && !defined(__FreeBSD__) 297 #define VIRTUAL_TTY(x) &pccons[x] 298 #define CONSOLE_TTY &pccons[NCONS] 299 #define frametype struct syscframe 300 #define eflags sf_eflags 301 #define timeout_t caddr_t 302 #define MONO_BUF (0xFE0B0000) 303 #define CGA_BUF (0xFE0B8000) 304 struct tty pccons[NCONS+1]; 305 #endif 306 307 #if defined(__386BSD__) || defined(__FreeBSD__) 308 u_short *Crtat = (u_short *)MONO_BUF; 309 void consinit(void) {scinit();} 310 #include "ddb.h" 311 #if NDDB > 0 312 #define DDB 1 313 #endif 314 #endif 315 316 struct isa_driver scdriver = { 317 pcprobe, pcattach, "sc", 318 }; 319 320 321 int pcprobe(struct isa_device *dev) 322 { 323 /* Enable interrupts and keyboard controller */ 324 kbd_wait(); 325 outb(KB_STAT, KB_WRITE); 326 kbd_cmd(0x4D); 327 328 /* Start keyboard stuff RESET */ 329 for (;;) { 330 kbd_cmd(KB_RESET); 331 if (kbd_reply() == KB_ACK && /* command accepted */ 332 kbd_reply() == 0xaa) /* self test passed */ 333 break; 334 printf("Keyboard reset failed\n"); 335 } 336 return (IO_KBDSIZE); 337 } 338 339 340 int pcattach(struct isa_device *dev) 341 { 342 scr_stat *scp; 343 int start = -1, end = -1, i; 344 345 printf("sc%d: ", dev->id_unit); 346 if (crtc_vga) 347 if (crtc_addr == MONO_BASE) 348 printf("VGA mono"); 349 else 350 printf("VGA color"); 351 else 352 if (crtc_addr == MONO_BASE) 353 printf("MDA/hercules"); 354 else 355 printf("CGA/EGA"); 356 357 if (NCONS > 1) 358 printf(" <%d virtual consoles>\n", NCONS); 359 else 360 printf("\n"); 361 #if defined(FAT_CURSOR) 362 start = 0; 363 end = 18; 364 if (crtc_vga) { 365 #else 366 if (crtc_vga) { 367 get_cursor_shape(&start, &end); 368 #endif 369 save_palette(); 370 load_font(0, 16, font_8x16); 371 load_font(1, 8, font_8x8); 372 load_font(2, 14, font_8x14); 373 } 374 current_default = &user_default; 375 for (i = 0; i < NCONS; i++) { 376 scp = &console[i]; 377 scp->scr_buf = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); 378 scp->mode = TEXT80x25; 379 scp->term.esc = 0; 380 scp->term.std_attr = current_default->std_attr; 381 scp->term.rev_attr = current_default->rev_attr; 382 scp->term.cur_attr = scp->term.std_attr; 383 scp->border = BG_BLACK; 384 scp->cursor_start = start; 385 scp->cursor_end = end; 386 scp->xsize = COL; 387 scp->ysize = ROW; 388 scp->bell_pitch = BELL_PITCH; 389 scp->bell_duration = BELL_DURATION; 390 scp->status = 0; 391 scp->pid = 0; 392 scp->proc = NULL; 393 scp->smode.mode = VT_AUTO; 394 if (i > 0) { 395 scp->crt_base = scp->crtat = scp->scr_buf; 396 fillw(scp->term.cur_attr|scr_map[0x20], scp->scr_buf, COL*ROW); 397 } 398 } 399 /* get cursor going */ 400 #if defined(FAT_CURSOR) 401 cursor_shape(console[0].cursor_start, 402 console[0].cursor_end); 403 #endif 404 cursor_pos(1); 405 return 0; 406 } 407 408 409 static struct tty *get_tty_ptr(dev_t dev) 410 { 411 int unit = minor(dev); 412 413 if (unit > NCONS) 414 return(NULL); 415 if (unit == NCONS) 416 return(CONSOLE_TTY); 417 return(VIRTUAL_TTY(unit)); 418 } 419 420 421 static scr_stat *get_scr_stat(dev_t dev) 422 { 423 int unit = minor(dev); 424 425 if (unit > NCONS) 426 return(NULL); 427 if (unit == NCONS) 428 return(&console[0]); 429 return(&console[unit]); 430 } 431 432 433 static int get_scr_num() 434 { 435 int i = 0; 436 437 while ((i < NCONS) && (cur_console != &console[i])) i++; 438 return i < NCONS ? i : 0; 439 } 440 441 int pcopen(dev_t dev, int flag, int mode, struct proc *p) 442 { 443 struct tty *tp = get_tty_ptr(dev); 444 445 if (!tp) 446 return(ENXIO); 447 448 tp->t_oproc = pcstart; 449 tp->t_param = pcparam; 450 tp->t_dev = dev; 451 if (!(tp->t_state & TS_ISOPEN)) { 452 tp->t_state |= TS_WOPEN; 453 ttychars(tp); 454 tp->t_iflag = TTYDEF_IFLAG; 455 tp->t_oflag = TTYDEF_OFLAG; 456 tp->t_cflag = TTYDEF_CFLAG; 457 tp->t_lflag = TTYDEF_LFLAG; 458 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 459 pcparam(tp, &tp->t_termios); 460 ttsetwater(tp); 461 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 462 return(EBUSY); 463 tp->t_state |= TS_CARR_ON; 464 tp->t_cflag |= CLOCAL; 465 return((*linesw[tp->t_line].l_open)(dev, tp)); 466 } 467 468 469 int pcclose(dev_t dev, int flag, int mode, struct proc *p) 470 { 471 struct tty *tp = get_tty_ptr(dev); 472 struct scr_stat *scp; 473 474 if (!tp) 475 return(ENXIO); 476 if (minor(dev) < NCONS) { 477 scp = get_scr_stat(tp->t_dev); 478 if (scp->status & SWITCH_WAIT_ACQ) 479 wakeup((caddr_t)&scp->smode); 480 scp->pid = 0; 481 scp->proc = NULL; 482 scp->smode.mode = VT_AUTO; 483 } 484 (*linesw[tp->t_line].l_close)(tp, flag); 485 ttyclose(tp); 486 return(0); 487 } 488 489 490 int pcread(dev_t dev, struct uio *uio, int flag) 491 { 492 struct tty *tp = get_tty_ptr(dev); 493 494 if (!tp) 495 return(ENXIO); 496 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 497 } 498 499 500 int pcwrite(dev_t dev, struct uio *uio, int flag) 501 { 502 struct tty *tp = get_tty_ptr(dev); 503 504 if (!tp) 505 return(ENXIO); 506 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 507 } 508 509 510 /* 511 * Got a console interrupt, keyboard action ! 512 * Catch the character, and see who it goes to. 513 */ 514 void scintr(int unit) 515 { 516 static struct tty *cur_tty; 517 int c, len; 518 u_char *cp; 519 520 /* make screensaver happy */ 521 scrn_time_stamp = time.tv_sec; 522 if (scrn_blanked) 523 SCRN_SAVER(0); 524 525 c = scgetc(1); 526 527 cur_tty = VIRTUAL_TTY(get_scr_num()); 528 if (!(cur_tty->t_state & TS_ISOPEN)) 529 cur_tty = CONSOLE_TTY; 530 531 if (!(cur_tty->t_state & TS_ISOPEN) || polling) 532 return; 533 534 switch (c & 0xff00) { 535 case 0x0000: /* normal key */ 536 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 537 break; 538 case NOKEY: /* nothing there */ 539 break; 540 case FKEY: /* function key, return string */ 541 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 542 while (len-- > 0) 543 (*linesw[cur_tty->t_line].l_rint) 544 (*cp++ & 0xFF, cur_tty); 545 } 546 break; 547 case MKEY: /* meta is active, prepend ESC */ 548 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 549 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 550 break; 551 } 552 } 553 554 555 /* 556 * Set line parameters 557 */ 558 int pcparam(struct tty *tp, struct termios *t) 559 { 560 int cflag = t->c_cflag; 561 562 /* and copy to tty */ 563 tp->t_ispeed = t->c_ispeed; 564 tp->t_ospeed = t->c_ospeed; 565 tp->t_cflag = cflag; 566 return 0; 567 } 568 569 570 int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 571 { 572 int i, error; 573 struct tty *tp; 574 frametype *fp; 575 scr_stat *scp; 576 577 tp = get_tty_ptr(dev); 578 if (!tp) 579 return ENXIO; 580 scp = get_scr_stat(tp->t_dev); 581 582 switch (cmd) { /* process console hardware related ioctl's */ 583 584 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 585 scrn_blank_time = *(int*)data; 586 return 0; 587 case CONS_SSAVER: /* set screen saver */ 588 { 589 register ssaver_t *sav = (ssaver_t *)data; 590 if (sav->num < 0 || sav->num >= NUM_SCRN_SAVERS) 591 return EIO; 592 SCRN_SAVER(0); 593 scrn_saver = sav->num; 594 scrn_blank_time = sav->time; 595 return 0; 596 } 597 case CONS_GSAVER: /* get screen saver info */ 598 { 599 register ssaver_t *sav = (ssaver_t *)data; 600 if (sav->num < 0) 601 sav->num = scrn_saver; 602 else if (sav->num >= NUM_SCRN_SAVERS) 603 return EIO; 604 sav->time = scrn_blank_time; 605 strcpy(sav->name, screen_savers[sav->num].name); 606 return 0; 607 } 608 case CONS_80x25TEXT: /* set 80x25 text mode */ 609 if (!crtc_vga) 610 return ENXIO; 611 scp->mode = TEXT80x25; 612 scp->ysize = 25; 613 free(scp->scr_buf, M_DEVBUF); 614 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*2, 615 M_DEVBUF, M_NOWAIT); 616 if (scp != cur_console) 617 scp->crt_base = scp->scr_buf; 618 set_mode(scp); 619 clear_screen(scp); 620 change_winsize(tp, scp->xsize, scp->ysize); 621 return 0; 622 623 case CONS_80x50TEXT: /* set 80x50 text mode */ 624 if (!crtc_vga) 625 return ENXIO; 626 scp->mode = TEXT80x50; 627 scp->ysize = 50; 628 free(scp->scr_buf, M_DEVBUF); 629 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*2, 630 M_DEVBUF, M_NOWAIT); 631 if (scp != cur_console) 632 scp->crt_base = scp->scr_buf; 633 set_mode(scp); 634 clear_screen(scp); 635 change_winsize(tp, scp->xsize, scp->ysize); 636 return 0; 637 638 case CONS_GETVERS: /* get version number */ 639 *(int*)data = 0x103; /* version 1.3 */ 640 return 0; 641 642 case CONS_GETINFO: /* get current (virtual) console info */ 643 { 644 vid_info_t *ptr = (vid_info_t*)data; 645 if (ptr->size == sizeof(struct vid_info)) { 646 ptr->m_num = get_scr_num(); 647 ptr->mv_col = scp->xpos; 648 ptr->mv_row = scp->ypos; 649 ptr->mv_csz = scp->xsize; 650 ptr->mv_rsz = scp->ysize; 651 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 652 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 653 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 654 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 655 ptr->mv_grfc.fore = 0; /* not supported */ 656 ptr->mv_grfc.back = 0; /* not supported */ 657 ptr->mv_ovscan = scp->border; 658 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 659 return 0; 660 } 661 return EINVAL; 662 } 663 664 case VT_SETMODE: /* set screen switcher mode */ 665 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 666 if (scp->smode.mode == VT_PROCESS) { 667 scp->proc = p; 668 scp->pid = scp->proc->p_pid; 669 } 670 return 0; 671 672 case VT_GETMODE: /* get screen switcher mode */ 673 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 674 return 0; 675 676 case VT_RELDISP: /* screen switcher ioctl */ 677 switch(*data) { 678 case VT_FALSE: /* user refuses to release screen, abort */ 679 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 680 old_scp->status &= ~SWITCH_WAIT_REL; 681 switch_in_progress = 0; 682 return 0; 683 } 684 return EINVAL; 685 686 case VT_TRUE: /* user has released screen, go on */ 687 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 688 scp->status &= ~SWITCH_WAIT_REL; 689 exchange_scr(); 690 if (new_scp->smode.mode == VT_PROCESS) { 691 new_scp->status |= SWITCH_WAIT_ACQ; 692 psignal(new_scp->proc, 693 new_scp->smode.acqsig); 694 } 695 else 696 switch_in_progress = 0; 697 return 0; 698 } 699 return EINVAL; 700 701 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 702 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 703 scp->status &= ~SWITCH_WAIT_ACQ; 704 switch_in_progress = 0; 705 return 0; 706 } 707 return EINVAL; 708 709 default: 710 return EINVAL; 711 } 712 /* NOT REACHED */ 713 714 case VT_OPENQRY: /* return free virtual console */ 715 for (i = 0; i < NCONS; i++) { 716 tp = VIRTUAL_TTY(i); 717 if (!(tp->t_state & TS_ISOPEN)) { 718 *data = i + 1; 719 return 0; 720 } 721 } 722 return EINVAL; 723 724 case VT_ACTIVATE: /* switch to screen *data */ 725 return switch_scr((*data) - 1); 726 727 case VT_WAITACTIVE: /* wait for switch to occur */ 728 if (*data > NCONS) 729 return EINVAL; 730 if (minor(dev) == (*data) - 1) 731 return 0; 732 if (*data == 0) { 733 if (scp == cur_console) 734 return 0; 735 while ((error=tsleep((caddr_t)&scp->smode, 736 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 737 } 738 else 739 while ((error=tsleep( 740 (caddr_t)&console[*(data-1)].smode, 741 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 742 return error; 743 744 case VT_GETACTIVE: 745 *data = get_scr_num()+1; 746 return 0; 747 748 case KDENABIO: /* allow io operations */ 749 fp = (frametype *)p->p_md.md_regs; 750 fp->eflags |= PSL_IOPL; 751 return 0; 752 753 case KDDISABIO: /* disallow io operations (default) */ 754 fp = (frametype *)p->p_md.md_regs; 755 fp->eflags &= ~PSL_IOPL; 756 return 0; 757 758 case KDSETMODE: /* set current mode of this (virtual) console */ 759 switch (*data) { 760 case KD_TEXT: /* switch to TEXT (known) mode */ 761 /* restore fonts & palette ! */ 762 if (crtc_vga) { 763 load_font(0, 16, font_8x16); 764 load_font(1, 8, font_8x8); 765 load_font(2, 14, font_8x14); 766 load_palette(); 767 } 768 /* FALL THROUGH */ 769 770 case KD_TEXT1: /* switch to TEXT (known) mode */ 771 /* no restore fonts & palette */ 772 scp->status &= ~UNKNOWN_MODE; 773 set_mode(scp); 774 clear_screen(scp); 775 return 0; 776 777 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 778 scp->status |= UNKNOWN_MODE; 779 return 0; 780 default: 781 return EINVAL; 782 } 783 /* NOT REACHED */ 784 785 case KDGETMODE: /* get current mode of this (virtual) console */ 786 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 787 return 0; 788 789 case KDSBORDER: /* set border color of this (virtual) console */ 790 if (!crtc_vga) 791 return ENXIO; 792 scp->border = *data; 793 if (scp == cur_console) 794 set_border(scp->border); 795 return 0; 796 797 case KDSKBSTATE: /* set keyboard state (locks) */ 798 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 799 scp->status &= ~LOCK_KEY_MASK; 800 scp->status |= *data; 801 if (scp == cur_console) 802 update_leds(scp->status); 803 return 0; 804 } 805 return EINVAL; 806 807 case KDGKBSTATE: /* get keyboard state (locks) */ 808 *data = scp->status & LOCK_KEY_MASK; 809 return 0; 810 811 case KDSETRAD: /* set keyboard repeat & delay rates */ 812 if (*data & 0x80) 813 return EINVAL; 814 kbd_cmd2(KB_SETRAD, *data); 815 return 0; 816 817 case KDSKBMODE: /* set keyboard mode */ 818 switch (*data) { 819 case K_RAW: /* switch to RAW scancode mode */ 820 scp->status |= KBD_RAW_MODE; 821 return 0; 822 823 case K_XLATE: /* switch to XLT ascii mode */ 824 if (scp == cur_console && scp->status == KBD_RAW_MODE) 825 shfts = ctls = alts = agrs = metas = 0; 826 scp->status &= ~KBD_RAW_MODE; 827 return 0; 828 default: 829 return EINVAL; 830 } 831 /* NOT REACHED */ 832 833 case KDGKBMODE: /* get keyboard mode */ 834 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 835 return 0; 836 837 case KDMKTONE: /* sound the bell */ 838 if (scp == cur_console) 839 sysbeep(scp->bell_pitch, scp->bell_duration); 840 return 0; 841 842 case KIOCSOUND: /* make tone (*data) hz */ 843 if (scp == cur_console) { 844 if (*(int*)data) { 845 int pitch = TIMER_FREQ/(*(int*)data); 846 /* set command for counter 2, 2 byte write */ 847 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) { 848 return EBUSY; 849 } 850 /* set pitch */ 851 outb(TIMER_CNTR2, pitch); 852 outb(TIMER_CNTR2, (pitch>>8)); 853 /* enable counter 2 output to speaker */ 854 outb(IO_PPI, inb(IO_PPI) | 3); 855 } 856 else { 857 /* disable counter 2 output to speaker */ 858 outb(IO_PPI, inb(IO_PPI) & 0xFC); 859 release_timer2(); 860 } 861 } 862 return 0; 863 864 case KDGKBTYPE: /* get keyboard type */ 865 *data = 0; /* type not known (yet) */ 866 return 0; 867 868 case KDSETLED: /* set keyboard LED status */ 869 if (*data >= 0 && *data <= LED_MASK) { 870 scp->status &= ~LED_MASK; 871 scp->status |= *data; 872 if (scp == cur_console) 873 update_leds(scp->status); 874 return 0; 875 } 876 return EINVAL; 877 878 case KDGETLED: /* get keyboard LED status */ 879 *data = scp->status & LED_MASK; 880 return 0; 881 882 case GETFKEY: /* get functionkey string */ 883 if (*(u_short*)data < n_fkey_tab) { 884 fkeyarg_t *ptr = (fkeyarg_t*)data; 885 bcopy(&fkey_tab[ptr->keynum].str, 886 ptr->keydef, 887 fkey_tab[ptr->keynum].len); 888 ptr->flen = fkey_tab[ptr->keynum].len; 889 return 0; 890 } 891 else 892 return EINVAL; 893 894 case SETFKEY: /* set functionkey string */ 895 if (*(u_short*)data < n_fkey_tab) { 896 fkeyarg_t *ptr = (fkeyarg_t*)data; 897 bcopy(ptr->keydef, 898 &fkey_tab[ptr->keynum].str, 899 min(ptr->flen, MAXFK)); 900 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 901 return 0; 902 } 903 else 904 return EINVAL; 905 906 case GIO_SCRNMAP: /* get output translation table */ 907 bcopy(&scr_map, data, sizeof(scr_map)); 908 return 0; 909 910 case PIO_SCRNMAP: /* set output translation table */ 911 bcopy(data, &scr_map, sizeof(scr_map)); 912 return 0; 913 914 case GIO_KEYMAP: /* get keyboard translation table */ 915 bcopy(&key_map, data, sizeof(key_map)); 916 return 0; 917 918 case PIO_KEYMAP: /* set keyboard translation table */ 919 bcopy(data, &key_map, sizeof(key_map)); 920 return 0; 921 922 case PIO_FONT8x8: /* set 8x8 dot font */ 923 if (!crtc_vga) 924 return ENXIO; 925 bcopy(data, &font_8x8, sizeof(font_8x8)); 926 load_font(1, 8, font_8x8); 927 return 0; 928 929 case GIO_FONT8x8: /* get 8x8 dot font */ 930 if (!crtc_vga) 931 return ENXIO; 932 bcopy(&font_8x8, data, sizeof(font_8x8)); 933 return 0; 934 935 case PIO_FONT8x14: /* set 8x14 dot font */ 936 if (!crtc_vga) 937 return ENXIO; 938 bcopy(data, &font_8x14, sizeof(font_8x14)); 939 load_font(2, 14, font_8x14); 940 return 0; 941 942 case GIO_FONT8x14: /* get 8x14 dot font */ 943 if (!crtc_vga) 944 return ENXIO; 945 bcopy(&font_8x14, data, sizeof(font_8x14)); 946 return 0; 947 948 case PIO_FONT8x16: /* set 8x16 dot font */ 949 if (!crtc_vga) 950 return ENXIO; 951 bcopy(data, &font_8x16, sizeof(font_8x16)); 952 load_font(0, 16, font_8x16); 953 return 0; 954 955 case GIO_FONT8x16: /* get 8x16 dot font */ 956 if (!crtc_vga) 957 return ENXIO; 958 bcopy(&font_8x16, data, sizeof(font_8x16)); 959 return 0; 960 961 case CONSOLE_X_MODE_ON: /* just to be compatible */ 962 if (saved_console < 0) { 963 saved_console = get_scr_num(); 964 switch_scr(minor(dev)); 965 fp = (frametype *)p->p_md.md_regs; 966 fp->eflags |= PSL_IOPL; 967 scp->status |= UNKNOWN_MODE; 968 scp->status |= KBD_RAW_MODE; 969 return 0; 970 } 971 return EAGAIN; 972 973 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 974 fp = (frametype *)p->p_md.md_regs; 975 fp->eflags &= ~PSL_IOPL; 976 if (crtc_vga) { 977 load_font(0, 16, font_8x16); 978 load_font(1, 8, font_8x8); 979 load_font(2, 14, font_8x14); 980 load_palette(); 981 } 982 scp->status &= ~UNKNOWN_MODE; 983 set_mode(scp); 984 clear_screen(scp); 985 scp->status &= ~KBD_RAW_MODE; 986 switch_scr(saved_console); 987 saved_console = -1; 988 return 0; 989 990 case CONSOLE_X_BELL: /* more compatibility */ 991 /* 992 * if set, data is a pointer to a length 2 array of 993 * integers. data[0] is the pitch in Hz and data[1] 994 * is the duration in msec. 995 */ 996 if (data) 997 sysbeep(TIMER_FREQ/((int*)data)[0], 998 ((int*)data)[1]*hz/3000); 999 else 1000 sysbeep(scp->bell_pitch, scp->bell_duration); 1001 return 0; 1002 1003 default: 1004 break; 1005 } 1006 1007 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1008 if (error >= 0) 1009 return(error); 1010 error = ttioctl(tp, cmd, data, flag); 1011 if (error >= 0) 1012 return(error); 1013 return(ENOTTY); 1014 } 1015 1016 1017 void pcxint(dev_t dev) 1018 { 1019 struct tty *tp = get_tty_ptr(dev); 1020 1021 if (!tp) 1022 return; 1023 tp->t_state &= ~TS_BUSY; 1024 if (tp->t_line) 1025 (*linesw[tp->t_line].l_start)(tp); 1026 else 1027 pcstart(tp); 1028 } 1029 1030 1031 void pcstart(struct tty *tp) 1032 { 1033 #if defined(NetBSD) || defined(__FreeBSD__) 1034 struct clist *rbp; 1035 int i, s, len; 1036 u_char buf[PCBURST]; 1037 scr_stat *scp = get_scr_stat(tp->t_dev); 1038 1039 if (scp->status & SLKED) 1040 return; 1041 s = spltty(); 1042 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1043 tp->t_state |= TS_BUSY; 1044 splx(s); 1045 rbp = &tp->t_outq; 1046 len = q_to_b(rbp, buf, PCBURST); 1047 for (i=0; i<len; i++) 1048 if (buf[i]) ansi_put(scp, buf[i]); 1049 s = spltty(); 1050 tp->t_state &= ~TS_BUSY; 1051 if (rbp->c_cc <= tp->t_lowat) { 1052 if (tp->t_state & TS_ASLEEP) { 1053 tp->t_state &= ~TS_ASLEEP; 1054 wakeup((caddr_t)rbp); 1055 } 1056 selwakeup(&tp->t_wsel); 1057 } 1058 } 1059 splx(s); 1060 1061 #else /* __386BSD__ */ 1062 1063 int c, s, len, i; 1064 scr_stat *scp = get_scr_stat(tp->t_dev); 1065 u_char buf[PCBURST]; 1066 1067 if (scp->status & SLKED) 1068 return; 1069 s = spltty(); 1070 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1071 for (;;) { 1072 if (RB_LEN(tp->t_out) <= tp->t_lowat) { 1073 if (tp->t_state & TS_ASLEEP) { 1074 tp->t_state &= ~TS_ASLEEP; 1075 wakeup((caddr_t)tp->t_out); 1076 } 1077 selwakeup(&tp->t_wsel); 1078 } 1079 if (RB_LEN(tp->t_out) == 0) 1080 break; 1081 if (scp->status & SLKED) 1082 break; 1083 len = 0; 1084 while( len < PCBURST) { 1085 buf[len++] = getc(tp->t_out); 1086 if( RB_LEN(tp->t_out) == 0) 1087 break; 1088 } 1089 tp->t_state |= TS_BUSY; 1090 splx(s); 1091 for(i=0;i<len;i++) 1092 ansi_put(scp, buf[i]); 1093 s = spltty(); 1094 tp->t_state &= ~TS_BUSY; 1095 } 1096 tp->t_state |= TS_BUSY; 1097 if( in_putc == 0) { 1098 int i; 1099 for(i=0;i<console_buffer_count;i++) { 1100 scput(console_buffer[i]); 1101 } 1102 console_buffer_count = 0; 1103 } 1104 tp->t_state &= ~TS_BUSY; 1105 } 1106 splx(s); 1107 #endif 1108 } 1109 1110 1111 void pccnprobe(struct consdev *cp) 1112 { 1113 int maj; 1114 1115 /* locate the major number */ 1116 for (maj = 0; maj < nchrdev; maj++) 1117 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1118 break; 1119 1120 /* initialize required fields */ 1121 cp->cn_dev = makedev(maj, NCONS); 1122 cp->cn_pri = CN_INTERNAL; 1123 #if defined(__386BSD__) && !defined(__FreeBSD__) 1124 cp->cn_tp = CONSOLE_TTY; 1125 #endif 1126 } 1127 1128 1129 void pccninit(struct consdev *cp) 1130 { 1131 scinit(); 1132 } 1133 1134 1135 void pccnputc(dev_t dev, char c) 1136 { 1137 if (c == '\n') 1138 scput('\r'); 1139 scput(c); 1140 if (cur_console == &console[0]) { 1141 int pos = cur_console->crtat - cur_console->crt_base; 1142 if (pos != cur_cursor_pos) { 1143 cur_cursor_pos = pos; 1144 outb(crtc_addr,14); 1145 outb(crtc_addr+1,pos >> 8); 1146 outb(crtc_addr,15); 1147 outb(crtc_addr+1,pos&0xff); 1148 } 1149 } 1150 } 1151 1152 1153 int pccngetc(dev_t dev) 1154 { 1155 int s = spltty(); /* block scintr while we poll */ 1156 int c = scgetc(0); 1157 splx(s); 1158 if (c == '\r') c = '\n'; 1159 return(c); 1160 } 1161 1162 static void none_saver(int test) 1163 { 1164 } 1165 1166 static void fade_saver(int test) 1167 { 1168 static int count = 0; 1169 int i; 1170 1171 if (test) { 1172 scrn_blanked = 1; 1173 if (count < 64) { 1174 outb(PIXMASK, 0xFF); /* no pixelmask */ 1175 outb(PALWADR, 0x00); 1176 outb(PALDATA, 0); 1177 outb(PALDATA, 0); 1178 outb(PALDATA, 0); 1179 for (i = 3; i < 768; i++) { 1180 if (palette[i] - count > 15) 1181 outb(PALDATA, palette[i]-count); 1182 else 1183 outb(PALDATA, 15); 1184 } 1185 inb(crtc_addr+6); /* reset flip/flop */ 1186 outb(ATC, 0x20); /* enable palette */ 1187 count++; 1188 } 1189 } 1190 else { 1191 count = scrn_blanked = 0; 1192 load_palette(); 1193 } 1194 } 1195 1196 static void blank_saver(int test) 1197 { 1198 u_char val; 1199 if (test) { 1200 scrn_blanked = 1; 1201 outb(TSIDX, 0x01); val = inb(TSREG); 1202 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1203 } 1204 else { 1205 scrn_blanked = 0; 1206 outb(TSIDX, 0x01); val = inb(TSREG); 1207 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1208 } 1209 } 1210 1211 static u_long rand_next = 1; 1212 1213 static int rand() 1214 { 1215 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1216 } 1217 1218 /* 1219 * Alternate saver that got its inspiration from a well known utility 1220 * package for an unfamous OS. 1221 */ 1222 1223 #define NUM_STARS 50 1224 1225 static void star_saver(int test) 1226 { 1227 scr_stat *scp = cur_console; 1228 int cell, i; 1229 char pattern[] = {"...........++++*** "}; 1230 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1231 FG_WHITE, FG_LIGHTCYAN}; 1232 static u_short stars[NUM_STARS][2]; 1233 1234 if (test) { 1235 if (!scrn_blanked) { 1236 bcopy(Crtat, scp->scr_buf, 1237 scp->xsize * scp->ysize * 2); 1238 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1239 scp->xsize * scp->ysize); 1240 set_border(0); 1241 i = scp->ysize * scp->xsize + 5; 1242 outb(crtc_addr, 14); 1243 outb(crtc_addr+1, i >> 8); 1244 outb(crtc_addr, 15); 1245 outb(crtc_addr+1, i & 0xff); 1246 scrn_blanked = 1; 1247 for(i=0; i<NUM_STARS; i++) { 1248 stars[i][0] = 1249 rand() % (scp->xsize*scp->ysize); 1250 stars[i][1] = 0; 1251 } 1252 } 1253 cell = rand() % NUM_STARS; 1254 *((u_short*)(Crtat + stars[cell][0])) = 1255 scr_map[pattern[stars[cell][1]]] | 1256 colors[rand()%sizeof(colors)] << 8; 1257 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1258 stars[cell][0] = rand() % (scp->xsize*scp->ysize); 1259 stars[cell][1] = 0; 1260 } 1261 } 1262 else { 1263 if (scrn_blanked) { 1264 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1265 cur_cursor_pos = -1; 1266 set_border(scp->border); 1267 scrn_blanked = 0; 1268 } 1269 } 1270 } 1271 1272 1273 static void snake_saver(int test) 1274 { 1275 const char saves[] = {"FreeBSD"}; 1276 static u_char *savs[sizeof(saves)-1]; 1277 static int dirx, diry; 1278 int f; 1279 scr_stat *scp = cur_console; 1280 1281 if (test) { 1282 if (!scrn_blanked) { 1283 bcopy(Crtat, scp->scr_buf, 1284 scp->xsize * scp->ysize * 2); 1285 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1286 Crtat, scp->xsize * scp->ysize); 1287 set_border(0); 1288 dirx = (scp->xpos ? 1 : -1); 1289 diry = (scp->ypos ? 1290 scp->xsize : -scp->xsize); 1291 for (f=0; f< sizeof(saves)-1; f++) 1292 savs[f] = (u_char *)Crtat + 2 * 1293 (scp->xpos+scp->ypos*scp->xsize); 1294 *(savs[0]) = scr_map[*saves]; 1295 f = scp->ysize * scp->xsize + 5; 1296 outb(crtc_addr, 14); 1297 outb(crtc_addr+1, f >> 8); 1298 outb(crtc_addr, 15); 1299 outb(crtc_addr+1, f & 0xff); 1300 scrn_blanked = 1; 1301 } 1302 if (scrn_blanked++ < 4) 1303 return; 1304 scrn_blanked = 1; 1305 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1306 for (f=sizeof(saves)-2; f > 0; f--) 1307 savs[f] = savs[f-1]; 1308 f = (savs[0] - (u_char *)Crtat) / 2; 1309 if ((f % scp->xsize) == 0 || 1310 (f % scp->xsize) == scp->xsize - 1 || 1311 (rand() % 50) == 0) 1312 dirx = -dirx; 1313 if ((f / scp->xsize) == 0 || 1314 (f / scp->xsize) == scp->ysize - 1 || 1315 (rand() % 20) == 0) 1316 diry = -diry; 1317 savs[0] += 2*dirx + 2*diry; 1318 for (f=sizeof(saves)-2; f>=0; f--) 1319 *(savs[f]) = scr_map[saves[f]]; 1320 } 1321 else { 1322 if (scrn_blanked) { 1323 bcopy(scp->scr_buf, Crtat, 1324 scp->xsize * scp->ysize * 2); 1325 cur_cursor_pos = -1; 1326 set_border(scp->border); 1327 scrn_blanked = 0; 1328 } 1329 } 1330 } 1331 1332 static void cursor_shape(int start, int end) 1333 { 1334 outb(crtc_addr, 10); 1335 outb(crtc_addr+1, start & 0xFF); 1336 outb(crtc_addr, 11); 1337 outb(crtc_addr+1, end & 0xFF); 1338 } 1339 1340 1341 #if !defined(FAT_CURSOR) 1342 static void get_cursor_shape(int *start, int *end) 1343 { 1344 outb(crtc_addr, 10); 1345 *start = inb(crtc_addr+1) & 0x1F; 1346 outb(crtc_addr, 11); 1347 *end = inb(crtc_addr+1) & 0x1F; 1348 } 1349 #endif 1350 1351 1352 static void cursor_pos(int force) 1353 { 1354 int pos; 1355 1356 if (cur_console->status & UNKNOWN_MODE) 1357 return; 1358 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1359 SCRN_SAVER(1); 1360 pos = cur_console->crtat - cur_console->crt_base; 1361 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1362 cur_cursor_pos = pos; 1363 outb(crtc_addr, 14); 1364 outb(crtc_addr+1, pos>>8); 1365 outb(crtc_addr, 15); 1366 outb(crtc_addr+1, pos&0xff); 1367 } 1368 timeout((timeout_t)cursor_pos, 0, hz/20); 1369 } 1370 1371 1372 static void clear_screen(scr_stat *scp) 1373 { 1374 move_crsr(scp, 0, 0); 1375 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1376 scp->xsize * scp->ysize); 1377 } 1378 1379 1380 static int switch_scr(u_int next_scr) 1381 { 1382 if (in_putc) { /* delay switch if in putc */ 1383 delayed_next_scr = next_scr+1; 1384 return 0; 1385 } 1386 if (switch_in_progress && 1387 (cur_console->proc != pfind(cur_console->pid))) 1388 switch_in_progress = 0; 1389 1390 if (next_scr >= NCONS || switch_in_progress) { 1391 sysbeep(BELL_PITCH, BELL_DURATION); 1392 return EINVAL; 1393 } 1394 1395 /* is the wanted virtual console open ? */ 1396 if (next_scr) { 1397 struct tty *tp = VIRTUAL_TTY(next_scr); 1398 if (!(tp->t_state & TS_ISOPEN)) { 1399 sysbeep(BELL_PITCH, BELL_DURATION); 1400 return EINVAL; 1401 } 1402 } 1403 1404 switch_in_progress = 1; 1405 old_scp = cur_console; 1406 new_scp = &console[next_scr]; 1407 wakeup((caddr_t)&new_scp->smode); 1408 if (new_scp == old_scp) { 1409 switch_in_progress = 0; 1410 return 0; 1411 } 1412 1413 /* has controlling process died? */ 1414 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1415 old_scp->smode.mode = VT_AUTO; 1416 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1417 new_scp->smode.mode = VT_AUTO; 1418 1419 /* check the modes and switch approbiatly */ 1420 if (old_scp->smode.mode == VT_PROCESS) { 1421 old_scp->status |= SWITCH_WAIT_REL; 1422 psignal(old_scp->proc, old_scp->smode.relsig); 1423 } 1424 else { 1425 exchange_scr(); 1426 if (new_scp->smode.mode == VT_PROCESS) { 1427 new_scp->status |= SWITCH_WAIT_ACQ; 1428 psignal(new_scp->proc, new_scp->smode.acqsig); 1429 } 1430 else 1431 switch_in_progress = 0; 1432 } 1433 return 0; 1434 } 1435 1436 1437 static void exchange_scr(void) 1438 { 1439 struct tty *tp; 1440 1441 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1442 old_scp->crt_base = old_scp->scr_buf; 1443 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1444 cur_console = new_scp; 1445 set_mode(new_scp); 1446 new_scp->crt_base = Crtat; 1447 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1448 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1449 update_leds(new_scp->status); 1450 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1451 load_font(0, 16, font_8x16); 1452 load_font(1, 8, font_8x8); 1453 load_font(2, 14, font_8x14); 1454 load_palette(); 1455 } 1456 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1457 shfts = ctls = alts = agrs = metas = 0; 1458 delayed_next_scr = 0; 1459 } 1460 1461 1462 static void move_crsr(scr_stat *scp, int x, int y) 1463 { 1464 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1465 return; 1466 scp->xpos = x; 1467 scp->ypos = y; 1468 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1469 } 1470 1471 static void move_up(u_short *s, u_short *d, u_int len) 1472 { 1473 s += len; 1474 d += len; 1475 while (len-- > 0) 1476 *--d = *--s; 1477 } 1478 1479 static void move_down(u_short *s, u_short *d, u_int len) 1480 { 1481 while (len-- > 0) 1482 *d++ = *s++; 1483 } 1484 1485 static void scan_esc(scr_stat *scp, u_char c) 1486 { 1487 static u_char ansi_col[16] = 1488 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1489 int i, n; 1490 u_short *src, *dst, count; 1491 1492 if (scp->term.esc == 1) { 1493 switch (c) { 1494 1495 case '[': /* Start ESC [ sequence */ 1496 scp->term.esc = 2; 1497 scp->term.last_param = -1; 1498 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1499 scp->term.param[i] = 1; 1500 scp->term.num_param = 0; 1501 return; 1502 1503 case 'M': /* Move cursor up 1 line, scroll if at top */ 1504 if (scp->ypos > 0) 1505 move_crsr(scp, scp->xpos, scp->ypos - 1); 1506 else { 1507 move_up(scp->crt_base, 1508 scp->crt_base + scp->xsize, 1509 (scp->ysize - 1) * scp->xsize); 1510 fillw(scp->term.cur_attr | scr_map[0x20], 1511 scp->crt_base, scp->xsize); 1512 } 1513 break; 1514 #if notyet 1515 case 'Q': 1516 scp->term.esc = 4; 1517 break; 1518 #endif 1519 case 'c': /* Clear screen & home */ 1520 clear_screen(scp); 1521 break; 1522 } 1523 } 1524 else if (scp->term.esc == 2) { 1525 if (c >= '0' && c <= '9') { 1526 if (scp->term.num_param < MAX_ESC_PAR) { 1527 if (scp->term.last_param != scp->term.num_param) { 1528 scp->term.last_param = scp->term.num_param; 1529 scp->term.param[scp->term.num_param] = 0; 1530 } 1531 else 1532 scp->term.param[scp->term.num_param] *= 10; 1533 scp->term.param[scp->term.num_param] += c - '0'; 1534 return; 1535 } 1536 } 1537 scp->term.num_param = scp->term.last_param + 1; 1538 switch (c) { 1539 1540 case ';': 1541 if (scp->term.num_param < MAX_ESC_PAR) 1542 return; 1543 break; 1544 1545 case '=': 1546 scp->term.esc = 3; 1547 scp->term.last_param = -1; 1548 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1549 scp->term.param[i] = 1; 1550 scp->term.num_param = 0; 1551 return; 1552 1553 case 'A': /* up n rows */ 1554 n = scp->term.param[0]; if (n < 1) n = 1; 1555 move_crsr(scp, scp->xpos, scp->ypos - n); 1556 break; 1557 1558 case 'B': /* down 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 'C': /* right n columns */ 1564 n = scp->term.param[0]; if (n < 1) n = 1; 1565 move_crsr(scp, scp->xpos + n, scp->ypos); 1566 break; 1567 1568 case 'D': /* left 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 'E': /* cursor to start of line n lines down */ 1574 n = scp->term.param[0]; if (n < 1) n = 1; 1575 move_crsr(scp, 0, scp->ypos + n); 1576 break; 1577 1578 case 'F': /* cursor to start of line n lines up */ 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': /* System V consoles .. */ 1584 case 'H': /* Cursor move */ 1585 if (scp->term.num_param == 0) 1586 move_crsr(scp, 0, 0); 1587 else if (scp->term.num_param == 2) 1588 move_crsr(scp, scp->term.param[1] - 1, 1589 scp->term.param[0] - 1); 1590 break; 1591 1592 case 'J': /* Clear all or part of display */ 1593 if (scp->term.num_param == 0) 1594 n = 0; 1595 else 1596 n = scp->term.param[0]; 1597 switch (n) { 1598 case 0: /* clear form cursor to end of display */ 1599 fillw(scp->term.cur_attr | scr_map[0x20], 1600 scp->crtat, scp->crt_base + 1601 scp->xsize * scp->ysize - 1602 scp->crtat); 1603 break; 1604 case 1: /* clear from beginning of display to cursor */ 1605 fillw(scp->term.cur_attr | scr_map[0x20], 1606 scp->crt_base, 1607 scp->crtat - scp->crt_base); 1608 break; 1609 case 2: /* clear entire display */ 1610 clear_screen(scp); 1611 break; 1612 } 1613 break; 1614 1615 case 'K': /* Clear all or part of line */ 1616 if (scp->term.num_param == 0) 1617 n = 0; 1618 else 1619 n = scp->term.param[0]; 1620 switch (n) { 1621 case 0: /* clear form cursor to end of line */ 1622 fillw(scp->term.cur_attr | scr_map[0x20], 1623 scp->crtat, scp->xsize - scp->xpos); 1624 break; 1625 case 1: /* clear from beginning of line to cursor */ 1626 fillw(scp->term.cur_attr|scr_map[0x20], 1627 scp->crtat - (scp->xsize - scp->xpos), 1628 (scp->xsize - scp->xpos) + 1); 1629 break; 1630 case 2: /* clear entire line */ 1631 fillw(scp->term.cur_attr|scr_map[0x20], 1632 scp->crtat - (scp->xsize - scp->xpos), 1633 scp->xsize); 1634 break; 1635 } 1636 break; 1637 1638 case 'L': /* Insert n lines */ 1639 n = scp->term.param[0]; if (n < 1) n = 1; 1640 if (n > scp->ysize - scp->ypos) 1641 n = scp->ysize - scp->ypos; 1642 src = scp->crt_base + scp->ypos * scp->xsize; 1643 dst = src + n * scp->xsize; 1644 count = scp->ysize - (scp->ypos + n); 1645 move_up(src, dst, count * scp->xsize); 1646 fillw(scp->term.cur_attr | scr_map[0x20], src, 1647 n * scp->xsize); 1648 break; 1649 1650 case 'M': /* Delete n lines */ 1651 n = scp->term.param[0]; if (n < 1) n = 1; 1652 if (n > scp->ysize - scp->ypos) 1653 n = scp->ysize - scp->ypos; 1654 dst = scp->crt_base + scp->ypos * scp->xsize; 1655 src = dst + n * scp->xsize; 1656 count = scp->ysize - (scp->ypos + n); 1657 move_down(src, dst, count * scp->xsize); 1658 src = dst + count * scp->xsize; 1659 fillw(scp->term.cur_attr | scr_map[0x20], src, 1660 n * scp->xsize); 1661 break; 1662 1663 case 'P': /* Delete n chars */ 1664 n = scp->term.param[0]; if (n < 1) n = 1; 1665 if (n > scp->xsize - scp->xpos) 1666 n = scp->xsize - scp->xpos; 1667 dst = scp->crtat; 1668 src = dst + n; 1669 count = scp->xsize - (scp->xpos + n); 1670 move_down(src, dst, count); 1671 src = dst + count; 1672 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1673 break; 1674 1675 case '@': /* Insert n chars */ 1676 n = scp->term.param[0]; if (n < 1) n = 1; 1677 if (n > scp->xsize - scp->xpos) 1678 n = scp->xsize - scp->xpos; 1679 src = scp->crtat; 1680 dst = src + n; 1681 count = scp->xsize - (scp->xpos + n); 1682 move_up(src, dst, count); 1683 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1684 break; 1685 1686 case 'S': /* scroll up n lines */ 1687 n = scp->term.param[0]; if (n < 1) n = 1; 1688 if (n > scp->ypos) 1689 n = scp->ypos; 1690 bcopy(scp->crt_base + (scp->xsize * n), 1691 scp->crt_base, 1692 scp->xsize * (scp->ysize - n) * 1693 sizeof(u_short)); 1694 fillw(scp->term.cur_attr | scr_map[0x20], 1695 scp->crt_base + scp->xsize * 1696 (scp->ysize - 1), 1697 scp->xsize); 1698 break; 1699 1700 case 'T': /* scroll down n lines */ 1701 n = scp->term.param[0]; if (n < 1) n = 1; 1702 if (n > scp->ysize - scp->ypos) 1703 n = scp->ysize - scp->ypos; 1704 bcopy(scp->crt_base, 1705 scp->crt_base + (scp->xsize * n), 1706 scp->xsize * (scp->ysize - n) * 1707 sizeof(u_short)); 1708 fillw(scp->term.cur_attr | scr_map[0x20], 1709 scp->crt_base, scp->xsize); 1710 break; 1711 1712 case 'X': /* delete n characters in line */ 1713 n = scp->term.param[0]; if (n < 1) n = 1; 1714 if (n > scp->xsize - scp->xpos) 1715 n = scp->xsize - scp->xpos; 1716 fillw(scp->term.cur_attr | scr_map[0x20], 1717 scp->crt_base + scp->xpos + 1718 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1719 break; 1720 1721 case 'Z': /* move n tabs backwards */ 1722 n = scp->term.param[0]; if (n < 1) n = 1; 1723 if ((i = scp->xpos & 0xf8) == scp->xpos) 1724 i -= 8*n; 1725 else 1726 i -= 8*(n-1); 1727 if (i < 0) 1728 i = 0; 1729 move_crsr(scp, i, scp->ypos); 1730 break; 1731 1732 case '`': /* move cursor to column n */ 1733 n = scp->term.param[0]; if (n < 1) n = 1; 1734 move_crsr(scp, n, scp->ypos); 1735 break; 1736 1737 case 'a': /* move cursor n columns to the right */ 1738 n = scp->term.param[0]; if (n < 1) n = 1; 1739 move_crsr(scp, scp->xpos + n, scp->ypos); 1740 break; 1741 1742 case 'd': /* move cursor to row n */ 1743 n = scp->term.param[0]; if (n < 1) n = 1; 1744 move_crsr(scp, scp->xpos, n); 1745 break; 1746 1747 case 'e': /* move cursor n rows down */ 1748 n = scp->term.param[0]; if (n < 1) n = 1; 1749 move_crsr(scp, scp->xpos, scp->ypos + n); 1750 break; 1751 1752 case 'm': /* change attribute */ 1753 if (scp->term.num_param == 0) 1754 n = 0; 1755 else 1756 n = scp->term.param[0]; 1757 switch (n) { 1758 case 0: /* back to normal */ 1759 scp->term.cur_attr = scp->term.std_attr; 1760 break; 1761 case 1: /* highlight (bold) */ 1762 scp->term.cur_attr &= 0xFF00; 1763 scp->term.cur_attr |= 0x0800; 1764 break; 1765 case 4: /* highlight (underline) */ 1766 scp->term.cur_attr &= 0x0F00; 1767 scp->term.cur_attr |= 0x0800; 1768 break; 1769 case 5: /* blink */ 1770 scp->term.cur_attr &= 0xFF00; 1771 scp->term.cur_attr |= 0x8000; 1772 break; 1773 case 7: /* reverse video */ 1774 scp->term.cur_attr = scp->term.rev_attr; 1775 break; 1776 case 30: case 31: case 32: case 33: /* set fg color */ 1777 case 34: case 35: case 36: case 37: 1778 scp->term.cur_attr = (scp->term.cur_attr & 0xF0FF) 1779 | (ansi_col[(n - 30) & 7] << 8); 1780 break; 1781 case 40: case 41: case 42: case 43: /* set bg color */ 1782 case 44: case 45: case 46: case 47: 1783 scp->term.cur_attr = (scp->term.cur_attr & 0x0FFF) 1784 | (ansi_col[(n - 40) & 7] << 12); 1785 break; 1786 } 1787 break; 1788 1789 case 'x': 1790 if (scp->term.num_param == 0) 1791 n = 0; 1792 else 1793 n = scp->term.param[0]; 1794 switch (n) { 1795 case 0: /* reset attributes */ 1796 scp->term.cur_attr = scp->term.std_attr = 1797 current_default->std_attr; 1798 scp->term.rev_attr = current_default->rev_attr; 1799 break; 1800 case 1: /* set ansi background */ 1801 scp->term.cur_attr = scp->term.std_attr = 1802 (scp->term.std_attr & 0x0F00) | 1803 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1804 break; 1805 case 2: /* set ansi foreground */ 1806 scp->term.cur_attr = scp->term.std_attr = 1807 (scp->term.std_attr & 0xF000) | 1808 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1809 break; 1810 case 3: /* set ansi attribute directly */ 1811 scp->term.cur_attr = scp->term.std_attr = 1812 (scp->term.param[1]&0xFF)<<8; 1813 break; 1814 case 5: /* set ansi reverse video background */ 1815 scp->term.rev_attr = 1816 (scp->term.rev_attr & 0x0F00) | 1817 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1818 break; 1819 case 6: /* set ansi reverse video foreground */ 1820 scp->term.rev_attr = 1821 (scp->term.rev_attr & 0xF000) | 1822 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1823 break; 1824 case 7: /* set ansi reverse video directly */ 1825 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1826 break; 1827 } 1828 break; 1829 1830 case 'z': /* switch to (virtual) console n */ 1831 if (scp->term.num_param == 1) 1832 switch_scr(scp->term.param[0]); 1833 break; 1834 } 1835 } 1836 else if (scp->term.esc == 3) { 1837 if (c >= '0' && c <= '9') { 1838 if (scp->term.num_param < MAX_ESC_PAR) { 1839 if (scp->term.last_param != scp->term.num_param) { 1840 scp->term.last_param = scp->term.num_param; 1841 scp->term.param[scp->term.num_param] = 0; 1842 } 1843 else 1844 scp->term.param[scp->term.num_param] *= 10; 1845 scp->term.param[scp->term.num_param] += c - '0'; 1846 return; 1847 } 1848 } 1849 scp->term.num_param = scp->term.last_param + 1; 1850 switch (c) { 1851 1852 case ';': 1853 if (scp->term.num_param < MAX_ESC_PAR) 1854 return; 1855 break; 1856 1857 case 'A': /* set display border color */ 1858 if (scp->term.num_param == 1) 1859 scp->border=scp->term.param[0] & 0xff; 1860 if (scp == cur_console) 1861 set_border(scp->border); 1862 break; 1863 1864 case 'B': /* set bell pitch and duration */ 1865 if (scp->term.num_param == 2) { 1866 scp->bell_pitch = scp->term.param[0]; 1867 scp->bell_duration = scp->term.param[1]*10; 1868 } 1869 break; 1870 1871 case 'C': /* set cursor shape (start & end line) */ 1872 if (scp->term.num_param == 2) { 1873 scp->cursor_start = scp->term.param[0] & 0x1F; 1874 scp->cursor_end = scp->term.param[1] & 0x1F; 1875 if (scp == cur_console) 1876 cursor_shape(scp->cursor_start, 1877 scp->cursor_end); 1878 } 1879 break; 1880 1881 case 'F': /* set ansi foreground */ 1882 if (scp->term.num_param == 1) 1883 scp->term.cur_attr = scp->term.std_attr = 1884 (scp->term.std_attr & 0xF000) 1885 | ((scp->term.param[0] & 0x0F) << 8); 1886 break; 1887 1888 case 'G': /* set ansi background */ 1889 if (scp->term.num_param == 1) 1890 scp->term.cur_attr = scp->term.std_attr = 1891 (scp->term.std_attr & 0x0F00) 1892 | ((scp->term.param[0] & 0x0F) << 12); 1893 break; 1894 1895 case 'H': /* set ansi reverse video foreground */ 1896 if (scp->term.num_param == 1) 1897 scp->term.rev_attr = 1898 (scp->term.rev_attr & 0xF000) 1899 | ((scp->term.param[0] & 0x0F) << 8); 1900 break; 1901 1902 case 'I': /* set ansi reverse video background */ 1903 if (scp->term.num_param == 1) 1904 scp->term.rev_attr = 1905 (scp->term.rev_attr & 0x0F00) 1906 | ((scp->term.param[0] & 0x0F) << 12); 1907 break; 1908 } 1909 } 1910 scp->term.esc = 0; 1911 } 1912 1913 1914 static void ansi_put(scr_stat *scp, u_char c) 1915 { 1916 if (scp->status & UNKNOWN_MODE) 1917 return; 1918 1919 /* make screensaver happy */ 1920 if (scp == cur_console) { 1921 scrn_time_stamp = time.tv_sec; 1922 if (scrn_blanked) 1923 SCRN_SAVER(0); 1924 } 1925 in_putc++; 1926 if (scp->term.esc) 1927 scan_esc(scp, c); 1928 else switch(c) { 1929 case 0x1B: /* start escape sequence */ 1930 scp->term.esc = 1; 1931 scp->term.num_param = 0; 1932 break; 1933 case 0x07: 1934 if (scp == cur_console) 1935 sysbeep(scp->bell_pitch, scp->bell_duration); 1936 break; 1937 case '\t': /* non-destructive tab */ 1938 scp->crtat += (8 - scp->xpos % 8); 1939 scp->xpos += (8 - scp->xpos % 8); 1940 break; 1941 case '\b': /* non-destructive backspace */ 1942 if (scp->crtat > scp->crt_base) { 1943 scp->crtat--; 1944 if (scp->xpos > 0) 1945 scp->xpos--; 1946 else { 1947 scp->xpos += scp->xsize - 1; 1948 scp->ypos--; 1949 } 1950 } 1951 break; 1952 case '\r': /* return to pos 0 */ 1953 move_crsr(scp, 0, scp->ypos); 1954 break; 1955 case '\n': /* newline, same pos */ 1956 scp->crtat += scp->xsize; 1957 scp->ypos++; 1958 break; 1959 case '\f': /* form feed, clears screen */ 1960 clear_screen(scp); 1961 break; 1962 default: 1963 /* Print only printables */ 1964 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 1965 scp->crtat++; 1966 if (++scp->xpos >= scp->xsize) { 1967 scp->xpos = 0; 1968 scp->ypos++; 1969 } 1970 break; 1971 } 1972 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 1973 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 1974 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1975 fillw(scp->term.cur_attr | scr_map[0x20], 1976 scp->crt_base + scp->xsize * (scp->ysize - 1), 1977 scp->xsize); 1978 scp->crtat -= scp->xsize; 1979 scp->ypos--; 1980 } 1981 in_putc--; 1982 if (delayed_next_scr) 1983 switch_scr(delayed_next_scr - 1); 1984 } 1985 1986 static void scinit(void) 1987 { 1988 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1989 unsigned cursorat; 1990 int i; 1991 1992 /* 1993 * catch that once in a blue moon occurence when scinit is called 1994 * TWICE, adding the CGA_BUF offset again -> poooff 1995 */ 1996 if (crtat != 0) 1997 return; 1998 /* 1999 * Crtat initialized to point to MONO buffer, if not present change 2000 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 2001 * in the remapped offset at the "right" time 2002 */ 2003 was = *cp; 2004 *cp = (u_short) 0xA55A; 2005 if (*cp != 0xA55A) { 2006 crtc_addr = MONO_BASE; 2007 } else { 2008 *cp = was; 2009 crtc_addr = COLOR_BASE; 2010 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2011 } 2012 2013 /* Extract cursor location */ 2014 outb(crtc_addr,14); 2015 cursorat = inb(crtc_addr+1)<<8 ; 2016 outb(crtc_addr,15); 2017 cursorat |= inb(crtc_addr+1); 2018 crtat = Crtat + cursorat; 2019 2020 /* is this a VGA or higher ? */ 2021 outb(crtc_addr, 7); 2022 if (inb(crtc_addr) == 7) 2023 crtc_vga = 1; 2024 2025 current_default = &user_default; 2026 console[0].crtat = crtat; 2027 console[0].crt_base = Crtat; 2028 console[0].term.esc = 0; 2029 console[0].term.std_attr = current_default->std_attr; 2030 console[0].term.rev_attr = current_default->rev_attr; 2031 console[0].term.cur_attr = current_default->std_attr; 2032 console[0].xpos = cursorat % COL; 2033 console[0].ypos = cursorat / COL; 2034 console[0].border = BG_BLACK;; 2035 console[0].xsize = COL; 2036 console[0].ysize = ROW; 2037 console[0].status = 0; 2038 console[0].pid = 0; 2039 console[0].proc = NULL; 2040 console[0].smode.mode = VT_AUTO; 2041 console[0].bell_pitch = BELL_PITCH; 2042 console[0].bell_duration = BELL_DURATION; 2043 kernel_console.esc = 0; 2044 kernel_console.std_attr = kernel_default.std_attr; 2045 kernel_console.rev_attr = kernel_default.rev_attr; 2046 kernel_console.cur_attr = kernel_default.std_attr; 2047 /* initialize mapscrn array to a one to one map */ 2048 for (i=0; i<sizeof(scr_map); i++) 2049 scr_map[i] = i; 2050 clear_screen(&console[0]); 2051 } 2052 2053 2054 static void scput(u_char c) 2055 { 2056 scr_stat *scp = &console[0]; 2057 term_stat save; 2058 2059 if (crtat == 0) 2060 scinit(); 2061 if( in_putc == 0) { 2062 ++in_putc; 2063 save = scp->term; 2064 scp->term = kernel_console; 2065 current_default = &kernel_default; 2066 ansi_put(scp, c); 2067 kernel_console = scp->term; 2068 current_default = &user_default; 2069 scp->term = save; 2070 --in_putc; 2071 } else { 2072 if( console_buffer_count < CONSOLE_BUFFER_SIZE) 2073 console_buffer[console_buffer_count++] = c; 2074 } 2075 } 2076 2077 2078 static u_char *get_fstr(u_int c, u_int *len) 2079 { 2080 u_int i; 2081 2082 if (!(c & FKEY)) 2083 return(NULL); 2084 i = (c & 0xFF) - F_FN; 2085 if (i > n_fkey_tab) 2086 return(NULL); 2087 *len = fkey_tab[i].len; 2088 return(fkey_tab[i].str); 2089 } 2090 2091 2092 static void update_leds(int which) 2093 { 2094 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2095 2096 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2097 if (key_map.n_keys > ALTGR_OFFSET) { 2098 if (which & ALKED) 2099 which |= CLKED; 2100 else 2101 which &= ~CLKED; 2102 } 2103 kbd_cmd2(KB_SETLEDS, xlate_leds[which & LED_MASK]); 2104 } 2105 2106 2107 /* 2108 * scgetc(noblock) : get a character from the keyboard. 2109 * If noblock = 0 wait until a key is gotten. Otherwise return NOKEY. 2110 */ 2111 u_int scgetc(int noblock) 2112 { 2113 u_char val, code, release; 2114 u_int state, action; 2115 struct key_t *key; 2116 static u_char esc_flag = 0, compose = 0; 2117 static u_int chr = 0; 2118 2119 next_code: 2120 kbd_wait(); 2121 /* First see if there is something in the keyboard port */ 2122 if (inb(KB_STAT) & KB_BUF_FULL) 2123 val = inb(KB_DATA); 2124 else if (noblock) 2125 return(NOKEY); 2126 else 2127 goto next_code; 2128 2129 if (cur_console->status & KBD_RAW_MODE) 2130 return val; 2131 2132 code = val & 0x7F; 2133 release = val & 0x80; 2134 2135 switch (esc_flag) { 2136 case 0x00: /* normal scancode */ 2137 switch(code) { 2138 case 0x38: /* left alt (compose key) */ 2139 if (release && compose) { 2140 compose = 0; 2141 if (chr > 255) { 2142 sysbeep(BELL_PITCH, BELL_DURATION); 2143 chr = 0; 2144 } 2145 } 2146 else { 2147 if (!compose) { 2148 compose = 1; 2149 chr = 0; 2150 } 2151 } 2152 break; 2153 case 0x60: 2154 case 0x61: 2155 esc_flag = code; 2156 goto next_code; 2157 } 2158 break; 2159 case 0x60: /* 0xE0 prefix */ 2160 esc_flag = 0; 2161 switch (code) { 2162 case 0x1c: /* right enter key */ 2163 code = 0x59; 2164 break; 2165 case 0x1d: /* right ctrl key */ 2166 code = 0x5a; 2167 break; 2168 case 0x35: /* keypad divide key */ 2169 code = 0x5b; 2170 break; 2171 case 0x37: /* print scrn key */ 2172 code = 0x5c; 2173 break; 2174 case 0x38: /* right alt key (alt gr) */ 2175 code = 0x5d; 2176 break; 2177 case 0x47: /* grey home key */ 2178 code = 0x5e; 2179 break; 2180 case 0x48: /* grey up arrow key */ 2181 code = 0x5f; 2182 break; 2183 case 0x49: /* grey page up key */ 2184 code = 0x60; 2185 break; 2186 case 0x4b: /* grey left arrow key */ 2187 code = 0x61; 2188 break; 2189 case 0x4d: /* grey right arrow key */ 2190 code = 0x62; 2191 break; 2192 case 0x4f: /* grey end key */ 2193 code = 0x63; 2194 break; 2195 case 0x50: /* grey down arrow key */ 2196 code = 0x64; 2197 break; 2198 case 0x51: /* grey page down key */ 2199 code = 0x65; 2200 break; 2201 case 0x52: /* grey insert key */ 2202 code = 0x66; 2203 break; 2204 case 0x53: /* grey delete key */ 2205 code = 0x67; 2206 break; 2207 default: /* ignore everything else */ 2208 goto next_code; 2209 } 2210 break; 2211 case 0x61: /* 0xE1 prefix */ 2212 esc_flag = 0; 2213 if (code == 0x1D) 2214 esc_flag = 0x1D; 2215 goto next_code; 2216 /* NOT REACHED */ 2217 case 0x1D: /* pause / break */ 2218 esc_flag = 0; 2219 if (code != 0x45) 2220 goto next_code; 2221 code = 0x68; 2222 break; 2223 } 2224 2225 if (compose) { 2226 switch (code) { 2227 case 0x47: 2228 case 0x48: /* keypad 7,8,9 */ 2229 case 0x49: 2230 if (!release) 2231 chr = (code - 0x40) + chr*10; 2232 goto next_code; 2233 case 0x4b: 2234 case 0x4c: /* keypad 4,5,6 */ 2235 case 0x4d: 2236 if (!release) 2237 chr = (code - 0x47) + chr*10; 2238 goto next_code; 2239 case 0x4f: 2240 case 0x50: /* keypad 1,2,3 */ 2241 case 0x51: 2242 if (!release) 2243 chr = (code - 0x4e) + chr*10; 2244 goto next_code; 2245 case 0x52: /* keypad 0 */ 2246 if (!release) 2247 chr *= 10; 2248 goto next_code; 2249 case 0x38: /* left alt key */ 2250 break; 2251 default: 2252 if (chr) { 2253 compose = chr = 0; 2254 sysbeep(BELL_PITCH, BELL_DURATION); 2255 goto next_code; 2256 } 2257 break; 2258 } 2259 } 2260 2261 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2262 if ((!agrs && (cur_console->status & ALKED)) 2263 || (agrs && !(cur_console->status & ALKED))) 2264 code += ALTGR_OFFSET; 2265 key = &key_map.key[code]; 2266 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2267 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2268 state ^= 1; 2269 2270 /* Check for make/break */ 2271 action = key->map[state]; 2272 if (release) { /* key released */ 2273 if (key->spcl & 0x80) { 2274 switch (action) { 2275 case LSH: 2276 shfts &= ~1; 2277 break; 2278 case RSH: 2279 shfts &= ~2; 2280 break; 2281 case LCTR: 2282 ctls &= ~1; 2283 break; 2284 case RCTR: 2285 ctls &= ~2; 2286 break; 2287 case LALT: 2288 alts &= ~1; 2289 break; 2290 case RALT: 2291 alts &= ~2; 2292 break; 2293 case NLK: 2294 nlkcnt = 0; 2295 break; 2296 case CLK: 2297 clkcnt = 0; 2298 break; 2299 case SLK: 2300 slkcnt = 0; 2301 break; 2302 case ASH: 2303 agrs = 0; 2304 break; 2305 case ALK: 2306 alkcnt = 0; 2307 break; 2308 case META: 2309 metas = 0; 2310 break; 2311 } 2312 } 2313 if (chr && !compose) { 2314 action = chr; 2315 chr = 0; 2316 return(action); 2317 } 2318 } else { 2319 /* key pressed */ 2320 if (key->spcl & (0x80>>state)) { 2321 switch (action) { 2322 /* LOCKING KEYS */ 2323 case NLK: 2324 if (!nlkcnt) { 2325 nlkcnt++; 2326 if (cur_console->status & NLKED) 2327 cur_console->status &= ~NLKED; 2328 else 2329 cur_console->status |= NLKED; 2330 update_leds(cur_console->status); 2331 } 2332 break; 2333 case CLK: 2334 if (!clkcnt) { 2335 clkcnt++; 2336 if (cur_console->status & CLKED) 2337 cur_console->status &= ~CLKED; 2338 else 2339 cur_console->status |= CLKED; 2340 update_leds(cur_console->status); 2341 } 2342 break; 2343 case SLK: 2344 if (!slkcnt) { 2345 slkcnt++; 2346 if (cur_console->status & SLKED) { 2347 cur_console->status &= ~SLKED; 2348 pcstart(VIRTUAL_TTY(get_scr_num())); 2349 } 2350 else 2351 cur_console->status |= SLKED; 2352 update_leds(cur_console->status); 2353 } 2354 break; 2355 case ALK: 2356 if (!alkcnt) { 2357 alkcnt++; 2358 if (cur_console->status & ALKED) 2359 cur_console->status &= ~ALKED; 2360 else 2361 cur_console->status |= ALKED; 2362 update_leds(cur_console->status); 2363 } 2364 break; 2365 2366 /* NON-LOCKING KEYS */ 2367 case NOP: 2368 break; 2369 case RBT: 2370 #if defined(__FreeBSD__) 2371 shutdown_nice(); 2372 #else 2373 cpu_reset(); 2374 #endif 2375 break; 2376 case DBG: 2377 #if DDB > 0 /* try to switch to console 0 */ 2378 if (cur_console->smode.mode == VT_AUTO && 2379 console[0].smode.mode == VT_AUTO) 2380 switch_scr(0); 2381 Debugger("manual escape to debugger"); 2382 return(NOKEY); 2383 #else 2384 printf("No debugger in kernel\n"); 2385 #endif 2386 break; 2387 case LSH: 2388 shfts |= 1; 2389 break; 2390 case RSH: 2391 shfts |= 2; 2392 break; 2393 case LCTR: 2394 ctls |= 1; 2395 break; 2396 case RCTR: 2397 ctls |= 2; 2398 break; 2399 case LALT: 2400 alts |= 1; 2401 break; 2402 case RALT: 2403 alts |= 2; 2404 break; 2405 case ASH: 2406 agrs = 1; 2407 break; 2408 case META: 2409 metas = 1; 2410 break; 2411 case NEXT: 2412 switch_scr((get_scr_num()+1)%NCONS); 2413 break; 2414 default: 2415 if (action >= F_SCR && action <= L_SCR) { 2416 switch_scr(action - F_SCR); 2417 break; 2418 } 2419 if (action >= F_FN && action <= L_FN) 2420 action |= FKEY; 2421 return(action); 2422 } 2423 } 2424 else { 2425 if (metas) 2426 action |= MKEY; 2427 return(action); 2428 } 2429 } 2430 goto next_code; 2431 } 2432 2433 2434 int getchar(void) 2435 { 2436 u_char thechar; 2437 int s; 2438 2439 polling = 1; 2440 s = splhigh(); 2441 scput('>'); 2442 thechar = (u_char) scgetc(0); 2443 polling = 0; 2444 splx(s); 2445 switch (thechar) { 2446 default: 2447 if (thechar >= scr_map[0x20]) 2448 scput(thechar); 2449 return(thechar); 2450 case cr: 2451 case lf: 2452 scput(cr); scput(lf); 2453 return(lf); 2454 case bs: 2455 case del: 2456 scput(bs); scput(scr_map[0x20]); scput(bs); 2457 return(thechar); 2458 case cntld: 2459 scput('^'); scput('D'); scput('\r'); scput('\n'); 2460 return(0); 2461 } 2462 } 2463 2464 2465 u_int sgetc(int noblock) 2466 { 2467 return (scgetc(noblock) & 0xff); 2468 } 2469 2470 int pcmmap(dev_t dev, int offset, int nprot) 2471 { 2472 if (offset > 0x20000) 2473 return EINVAL; 2474 return i386_btop((VIDEOMEM + offset)); 2475 } 2476 2477 2478 static void kbd_wait(void) 2479 { 2480 int i; 2481 2482 for (i=0; i<1000; i++) { /* up to 10 msec */ 2483 if ((inb(KB_STAT) & KB_READY) == 0) 2484 break; 2485 DELAY (10); 2486 } 2487 } 2488 2489 2490 static void kbd_cmd(u_char command) 2491 { 2492 kbd_wait(); 2493 outb(KB_DATA, command); 2494 } 2495 2496 2497 static void kbd_cmd2(u_char command, u_char arg) 2498 { 2499 int r, s = spltty(); 2500 do { 2501 kbd_cmd(command); 2502 r = kbd_reply(); 2503 if (r == KB_ACK) { 2504 kbd_cmd(arg & 0x7f); 2505 r = kbd_reply(); 2506 } 2507 } while (r != KB_ACK); 2508 splx(s); 2509 } 2510 2511 2512 static int kbd_reply() 2513 { 2514 int i; 2515 2516 kbd_wait(); 2517 for (i=0; i<60000; i++) { /* at least 300 msec, 600 msec enough */ 2518 if (inb(KB_STAT) & KB_BUF_FULL) 2519 return ((u_char) inb(KB_DATA)); 2520 DELAY (10); 2521 } 2522 return(-1); 2523 } 2524 2525 2526 static void set_mode(scr_stat *scp) 2527 { 2528 u_char byte; 2529 int s; 2530 2531 if (scp != cur_console) 2532 return; 2533 2534 /* (re)activate cursor */ 2535 untimeout((timeout_t)cursor_pos, 0); 2536 cursor_pos(1); 2537 2538 /* change cursor type if set */ 2539 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2540 cursor_shape(scp->cursor_start, scp->cursor_end); 2541 2542 /* mode change only on VGA's */ 2543 if (!crtc_vga) 2544 return; 2545 2546 /* setup video hardware for the given mode */ 2547 s = splhigh(); 2548 switch(scp->mode) { 2549 case TEXT80x25: 2550 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2551 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2552 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2553 break; 2554 case TEXT80x50: 2555 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2556 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2557 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2558 break; 2559 default: 2560 break; 2561 } 2562 splx(s); 2563 2564 /* set border color for this (virtual) console */ 2565 set_border(scp->border); 2566 return; 2567 } 2568 2569 2570 static void set_border(int color) 2571 { 2572 inb(crtc_addr+6); /* reset flip-flop */ 2573 outb(ATC, 0x11); outb(ATC, color); 2574 inb(crtc_addr+6); /* reset flip-flop */ 2575 outb(ATC, 0x20); /* enable Palette */ 2576 } 2577 2578 static void load_font(int segment, int size, char* font) 2579 { 2580 int ch, line, s; 2581 u_char val; 2582 2583 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2584 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2585 2586 /* setup vga for loading fonts (graphics plane mode) */ 2587 s = splhigh(); 2588 inb(crtc_addr+6); /* reset flip/flop */ 2589 outb(ATC, 0x30); outb(ATC, 0x01); 2590 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2591 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2592 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2593 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2594 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2595 splx(s); 2596 for (ch=0; ch < 256; ch++) 2597 for (line=0; line < size; line++) 2598 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2599 font[(ch*size)+line]; 2600 /* setup vga for text mode again */ 2601 s = splhigh(); 2602 inb(crtc_addr+6); /* reset flip/flop */ 2603 outb(ATC, 0x30); outb(ATC, 0x0C); 2604 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2605 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2606 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2607 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2608 if (crtc_addr == MONO_BASE) { 2609 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2610 } 2611 else { 2612 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2613 } 2614 splx(s); 2615 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2616 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2617 } 2618 2619 2620 static void load_palette(void) 2621 { 2622 int i; 2623 2624 outb(PIXMASK, 0xFF); /* no pixelmask */ 2625 outb(PALWADR, 0x00); 2626 for (i=0x00; i<0x300; i++) 2627 outb(PALDATA, palette[i]); 2628 inb(crtc_addr+6); /* reset flip/flop */ 2629 outb(ATC, 0x20); /* enable palette */ 2630 } 2631 2632 static void save_palette(void) 2633 { 2634 int i; 2635 2636 outb(PALRADR, 0x00); 2637 for (i=0x00; i<0x300; i++) 2638 palette[i] = inb(PALDATA); 2639 inb(crtc_addr+6); /* reset flip/flop */ 2640 } 2641 2642 2643 static void change_winsize(struct tty *tp, int x, int y) 2644 { 2645 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2646 tp->t_winsize.ws_col = x; 2647 tp->t_winsize.ws_row = y; 2648 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2649 } 2650 } 2651 2652 #endif /* NSC */ 2653