syscons.c revision 3662
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 * in this position and unchanged. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * $Id: syscons.c,v 1.65 1994/10/15 21:33:58 ache Exp $ 39 */ 40 41#include "sc.h" 42 43#if NSC > 0 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/conf.h> 48#include <sys/ioctl.h> 49#include <sys/proc.h> 50#include <sys/user.h> 51#include <sys/tty.h> 52#include <sys/uio.h> 53#include <sys/callout.h> 54#include <sys/kernel.h> 55#include <sys/syslog.h> 56#include <sys/errno.h> 57#include <sys/malloc.h> 58#include <machine/console.h> 59#include <machine/psl.h> 60#include <machine/frame.h> 61#include <machine/pc/display.h> 62#include <i386/isa/isa.h> 63#include <i386/isa/isa_device.h> 64#include <i386/isa/timerreg.h> 65#include <i386/isa/kbdtables.h> 66#include <i386/i386/cons.h> 67 68#if !defined(NCONS) 69#define NCONS 12 70#endif 71 72#if defined(HARDFONTS) 73#include <i386/isa/iso8859.font> 74#endif 75 76/* status flags */ 77#define LOCK_KEY_MASK 0x0000F 78#define LED_MASK 0x00007 79#define UNKNOWN_MODE 0x00010 80#define KBD_RAW_MODE 0x00020 81#define SWITCH_WAIT_REL 0x00040 82#define SWITCH_WAIT_ACQ 0x00080 83 84/* video hardware memory addresses */ 85#define VIDEOMEM 0x000A0000 86 87/* misc defines */ 88#define MAX_ESC_PAR 5 89#define LOAD 1 90#define SAVE 0 91#define COL 80 92#define ROW 25 93#define BELL_DURATION 5 94#define BELL_PITCH 800 95#define TIMER_FREQ 1193182 /* should be in isa.h */ 96#define CONSOLE_BUFSIZE 1024 97#define PCBURST 128 98#define FONT_8_LOADED 0x001 99#define FONT_14_LOADED 0x002 100#define FONT_16_LOADED 0x004 101 102/* defines related to hardware addresses */ 103#define MONO_BASE 0x3B4 /* crt controller base mono */ 104#define COLOR_BASE 0x3D4 /* crt controller base color */ 105#define MISC 0x3C2 /* misc output register */ 106#define ATC IO_VGA+0x00 /* attribute controller */ 107#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 108#define TSREG IO_VGA+0x05 /* timing sequencer data */ 109#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 110#define PALRADR IO_VGA+0x07 /* palette read address */ 111#define PALWADR IO_VGA+0x08 /* palette write address */ 112#define PALDATA IO_VGA+0x09 /* palette data register */ 113#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 114#define GDCREG IO_VGA+0x0F /* graph data controller data */ 115 116/* special characters */ 117#define cntlc 0x03 118#define cntld 0x04 119#define bs 0x08 120#define lf 0x0a 121#define cr 0x0d 122#define del 0x7f 123 124typedef struct term_stat { 125 int esc; /* processing escape sequence */ 126 int num_param; /* # of parameters to ESC */ 127 int last_param; /* last parameter # */ 128 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 129 int cur_attr; /* current attributes */ 130 int std_attr; /* normal attributes */ 131 int rev_attr; /* reverse attributes */ 132} term_stat; 133 134typedef struct scr_stat { 135 u_short *crt_base; /* address of screen memory */ 136 u_short *scr_buf; /* buffer when off screen */ 137 u_short *crtat; /* cursor address */ 138 int xpos; /* current X position */ 139 int ypos; /* current Y position */ 140 int xsize; /* X size */ 141 int ysize; /* Y size */ 142 term_stat term; /* terminal emulation stuff */ 143 char cursor_start; /* cursor start line # */ 144 char cursor_end; /* cursor end line # */ 145 u_char border; /* border color */ 146 u_short bell_duration; 147 u_short bell_pitch; 148 u_short status; /* status (bitfield) */ 149 u_short mode; /* mode */ 150 pid_t pid; /* pid of controlling proc */ 151 struct proc *proc; /* proc* of controlling proc */ 152 struct vt_mode smode; /* switch mode */ 153} scr_stat; 154 155typedef struct default_attr { 156 int std_attr; /* normal attributes */ 157 int rev_attr; /* reverse attributes */ 158} default_attr; 159 160static default_attr user_default = { 161 (FG_LIGHTGREY | BG_BLACK) << 8, 162 (FG_BLACK | BG_LIGHTGREY) << 8 163}; 164 165static default_attr kernel_default = { 166 (FG_WHITE | BG_BLACK) << 8, 167 (FG_BLACK | BG_LIGHTGREY) << 8 168}; 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 console_buffer_count; 176static char console_buffer[CONSOLE_BUFSIZE]; 177static int switch_in_progress = 0; 178static u_short *crtat = 0; 179static u_int crtc_addr = MONO_BASE; 180static char crtc_vga = 0; 181static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 182static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 183static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 184static int fonts_loaded = 0; 185static char palette[3*256]; 186static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 187static int cur_cursor_pos = -1; 188static char in_putc = 0; 189static char polling = 0; 190#if ASYNCH 191static u_char kbd_reply = 0; 192#endif 193static int delayed_next_scr; 194static char saved_console = -1; /* saved console number */ 195static long scrn_blank_time = 0; /* screen saver timeout value */ 196static int scrn_blanked = 0; /* screen saver active flag */ 197static int scrn_saver = 0; /* screen saver routine */ 198static long scrn_time_stamp; 199static u_char scr_map[256]; 200 201/* function prototypes */ 202int pcprobe(struct isa_device *dev); 203int pcattach(struct isa_device *dev); 204int pcopen(dev_t dev, int flag, int mode, struct proc *p); 205int pcclose(dev_t dev, int flag, int mode, struct proc *p); 206int pcread(dev_t dev, struct uio *uio, int flag); 207int pcwrite(dev_t dev, struct uio *uio, int flag); 208int pcparam(struct tty *tp, struct termios *t); 209int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 210void pcxint(dev_t dev); 211void pcstart(struct tty *tp); 212void pccnprobe(struct consdev *cp); 213void pccninit(struct consdev *cp); 214void pccnputc(dev_t dev, char c); 215int pccngetc(dev_t dev); 216void scintr(int unit); 217int pcmmap(dev_t dev, int offset, int nprot); 218u_int sgetc(int noblock); 219int getchar(void); 220static void scinit(void); 221static void scput(u_char c); 222static u_int scgetc(int noblock); 223static struct tty *get_tty_ptr(dev_t dev); 224static scr_stat *get_scr_stat(dev_t dev); 225static int get_scr_num(); 226static void cursor_shape(int start, int end); 227static void get_cursor_shape(int *start, int *end); 228static void cursor_pos(int force); 229static void clear_screen(scr_stat *scp); 230static int switch_scr(u_int next_scr); 231static void exchange_scr(void); 232static void move_crsr(scr_stat *scp, int x, int y); 233static void move_up(u_short *s, u_short *d, u_int len); 234static void move_down(u_short *s, u_short *d, u_int len); 235static void scan_esc(scr_stat *scp, u_char c); 236static void ansi_put(scr_stat *scp, u_char c); 237static u_char *get_fstr(u_int c, u_int *len); 238static void update_leds(int which); 239static void kbd_wait(void); 240static void kbd_cmd(u_char command); 241static void set_mode(scr_stat *scp); 242static void set_border(int color); 243static void set_vgaregs(char *modetable); 244static void copy_font(int direction, int segment, int size, char* font); 245static void save_palette(void); 246static void load_palette(void); 247 248/* available screen savers */ 249static void none_saver(int test); 250static void blank_saver(int test); 251static void fade_saver(int test); 252static void star_saver(int test); 253static void snake_saver(int test); 254static void green_saver(int test); 255 256static const struct { 257 char *name; 258 void (*routine)(); 259} screen_savers[] = { 260 { "none", none_saver }, /* 0 */ 261 { "blank", blank_saver }, /* 1 */ 262 { "fade", fade_saver }, /* 2 */ 263 { "star", star_saver }, /* 3 */ 264 { "snake", snake_saver }, /* 4 */ 265 { "green", green_saver }, /* 5 */ 266}; 267#define SCRN_SAVER(arg) (*screen_savers[scrn_saver].routine)(arg) 268#define NUM_SCRN_SAVERS (sizeof(screen_savers) / sizeof(screen_savers[0])) 269 270/* OS specific stuff */ 271#if 0 272#define VIRTUAL_TTY(x) (pccons[x] = ttymalloc(pccons[x])) 273#define CONSOLE_TTY (pccons[NCONS] = ttymalloc(pccons[NCONS])) 274struct tty *pccons[NCONS+1]; 275#else 276#define VIRTUAL_TTY(x) &pccons[x] 277#define CONSOLE_TTY &pccons[NCONS] 278struct tty pccons[NCONS+1]; 279#endif 280#define timeout_t timeout_func_t 281#define MONO_BUF (KERNBASE+0xB0000) 282#define CGA_BUF (KERNBASE+0xB8000) 283u_short *Crtat = (u_short *)MONO_BUF; 284void consinit(void) {scinit();} 285extern char *video_mode_ptr; 286int color_display = -1; 287 288struct isa_driver scdriver = { 289 pcprobe, pcattach, "sc", 290}; 291 292int 293pcprobe(struct isa_device *dev) 294{ 295 int i, retries = 5; 296 unsigned char val; 297 298 /* Enable interrupts and keyboard controller */ 299 kbd_wait(); 300 outb(KB_STAT, KB_WRITE); 301 kbd_wait(); 302 outb(KB_DATA, KB_MODE); 303 304 /* flush any noise in the buffer */ 305 while (inb(KB_STAT) & KB_BUF_FULL) { 306 DELAY(10); 307 (void) inb(KB_DATA); 308 } 309 310 /* Reset keyboard hardware */ 311 while (retries--) { 312 kbd_wait(); 313 outb(KB_DATA, KB_RESET); 314 for (i=0; i<100000; i++) { 315 DELAY(10); 316 val = inb(KB_DATA); 317 if (val == KB_ACK || val == KB_ECHO) 318 goto gotres; 319 if (val == KB_RESEND) 320 break; 321 } 322 } 323gotres: 324 if (!retries) 325 printf("scprobe: keyboard won't accept RESET command\n"); 326 else { 327gotack: 328 DELAY(10); 329 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 330 DELAY(10); 331 val = inb(KB_DATA); 332 if (val == KB_ACK) 333 goto gotack; 334 if (val != KB_RESET_DONE) 335 printf("scprobe: keyboard RESET failed %02x\n", val); 336 } 337 return (IO_KBDSIZE); 338} 339 340int 341pcattach(struct isa_device *dev) 342{ 343 int i; 344 struct scr_stat *scp; 345 346 printf("sc%d: ", dev->id_unit); 347 if (crtc_vga) 348 if (crtc_addr == MONO_BASE) 349 printf("VGA mono"); 350 else 351 printf("VGA color"); 352 else 353 if (crtc_addr == MONO_BASE) 354 printf("MDA/hercules"); 355 else 356 printf("CGA/EGA"); 357 if (NCONS > 1) 358 printf(" <%d virtual consoles>\n", NCONS); 359 else 360 printf("\n"); 361 if (crtc_vga) { 362#if defined(HARDFONTS) 363 font_8 = font_8x8; 364 font_14 = font_8x14; 365 font_16 = font_8x16; 366 fonts_loaded = FONT_8_LOADED|FONT_14_LOADED|FONT_16_LOADED; 367 copy_font(LOAD, 1, 8, font_8); 368 copy_font(LOAD, 2, 14, font_14); 369 copy_font(LOAD, 0, 16, font_16); 370#else 371 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 372 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 373 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 374 copy_font(SAVE, 0, 16, font_16); 375 fonts_loaded = FONT_16_LOADED; 376#endif 377 save_palette(); 378 } 379 for (i = 0; i < NCONS; i++) { 380 scp = &console[i]; 381 scp->scr_buf = (u_short *)malloc(COL*ROW*2, M_DEVBUF, M_NOWAIT); 382 if (i > 0) { 383 scp->crt_base = scp->crtat = scp->scr_buf; 384 clear_screen(scp); 385 } 386 } 387 /* get cursor going */ 388 cursor_pos(1); 389 update_leds(console[0].status); 390 return 0; 391} 392 393static struct tty 394*get_tty_ptr(dev_t dev) 395{ 396 int unit = minor(dev); 397 398 if (unit > NCONS) 399 return(NULL); 400 if (unit == NCONS) 401 return(CONSOLE_TTY); 402 return(VIRTUAL_TTY(unit)); 403} 404 405static scr_stat 406*get_scr_stat(dev_t dev) 407{ 408 int unit = minor(dev); 409 410 if (unit > NCONS) 411 return(NULL); 412 if (unit == NCONS) 413 return(&console[0]); 414 return(&console[unit]); 415} 416 417static int 418get_scr_num() 419{ 420 int i = 0; 421 422 while ((i < NCONS) && (cur_console != &console[i])) i++; 423 return i < NCONS ? i : 0; 424} 425 426int 427pcopen(dev_t dev, int flag, int mode, struct proc *p) 428{ 429 struct tty *tp = get_tty_ptr(dev); 430 431 if (!tp) 432 return(ENXIO); 433 434 tp->t_oproc = pcstart; 435 tp->t_param = pcparam; 436 tp->t_dev = dev; 437 if (!(tp->t_state & TS_ISOPEN)) { 438 ttychars(tp); 439 tp->t_iflag = TTYDEF_IFLAG; 440 tp->t_oflag = TTYDEF_OFLAG; 441 tp->t_cflag = TTYDEF_CFLAG; 442 tp->t_lflag = TTYDEF_LFLAG; 443 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 444 pcparam(tp, &tp->t_termios); 445 ttsetwater(tp); 446 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 447 return(EBUSY); 448 tp->t_state |= TS_CARR_ON; 449 tp->t_cflag |= CLOCAL; 450 return((*linesw[tp->t_line].l_open)(dev, tp)); 451} 452 453int 454pcclose(dev_t dev, int flag, int mode, struct proc *p) 455{ 456 struct tty *tp = get_tty_ptr(dev); 457 struct scr_stat *scp; 458 459 if (!tp) 460 return(ENXIO); 461 if (minor(dev) < NCONS) { 462 scp = get_scr_stat(tp->t_dev); 463 if (scp->status & SWITCH_WAIT_ACQ) 464 wakeup((caddr_t)&scp->smode); 465 scp->pid = 0; 466 scp->proc = NULL; 467 scp->smode.mode = VT_AUTO; 468 } 469 (*linesw[tp->t_line].l_close)(tp, flag); 470 ttyclose(tp); 471 return(0); 472} 473 474int 475pcread(dev_t dev, struct uio *uio, int flag) 476{ 477 struct tty *tp = get_tty_ptr(dev); 478 479 if (!tp) 480 return(ENXIO); 481 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 482} 483 484int 485pcwrite(dev_t dev, struct uio *uio, int flag) 486{ 487 struct tty *tp = get_tty_ptr(dev); 488 489 if (!tp) 490 return(ENXIO); 491 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 492} 493 494void 495scintr(int unit) 496{ 497 static struct tty *cur_tty; 498 int c, len; 499 u_char *cp; 500 501 /* make screensaver happy */ 502 scrn_time_stamp = time.tv_sec; 503 if (scrn_blanked) 504 SCRN_SAVER(0); 505 506 c = scgetc(1); 507 508 cur_tty = VIRTUAL_TTY(get_scr_num()); 509 if (!(cur_tty->t_state & TS_ISOPEN)) 510 cur_tty = CONSOLE_TTY; 511 512 if (!(cur_tty->t_state & TS_ISOPEN) || polling) 513 return; 514 515 switch (c & 0xff00) { 516 case 0x0000: /* normal key */ 517 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 518 break; 519 case NOKEY: /* nothing there */ 520 break; 521 case FKEY: /* function key, return string */ 522 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 523 while (len-- > 0) 524 (*linesw[cur_tty->t_line].l_rint) 525 (*cp++ & 0xFF, cur_tty); 526 } 527 break; 528 case MKEY: /* meta is active, prepend ESC */ 529 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 530 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 531 break; 532 } 533} 534 535int 536pcparam(struct tty *tp, struct termios *t) 537{ 538 int cflag = t->c_cflag; 539 540 /* and copy to tty */ 541 tp->t_ispeed = t->c_ispeed; 542 tp->t_ospeed = t->c_ospeed; 543 tp->t_cflag = cflag; 544 return 0; 545} 546 547int 548pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 549{ 550 int i, error; 551 struct tty *tp; 552 struct trapframe *fp; 553 scr_stat *scp; 554 555 tp = get_tty_ptr(dev); 556 if (!tp) 557 return ENXIO; 558 scp = get_scr_stat(tp->t_dev); 559 560 switch (cmd) { /* process console hardware related ioctl's */ 561 562 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 563 scrn_blank_time = *(int*)data; 564 return 0; 565 566#define SAVER(p) ((ssaver_t *)(p)) 567 case CONS_SSAVER: /* set screen saver */ 568 if (SAVER(data)->num < 0 569 || SAVER(data)->num >= NUM_SCRN_SAVERS) 570 return EIO; 571 SCRN_SAVER(0); 572 scrn_saver = SAVER(data)->num; 573 scrn_blank_time = SAVER(data)->time; 574 return 0; 575 576 case CONS_GSAVER: /* get screen saver info */ 577 if (SAVER(data)->num < 0) 578 SAVER(data)->num = scrn_saver; 579 else if (SAVER(data)->num >= NUM_SCRN_SAVERS) 580 return EIO; 581 SAVER(data)->time = scrn_blank_time; 582 strcpy(SAVER(data)->name, screen_savers[SAVER(data)->num].name); 583 return 0; 584 585 case SW_VGA_C40x25: case SW_VGA_C80x25: /* VGA TEXT MODES */ 586 case SW_VGA_M80x25: 587 case SW_VGA_C80x50: case SW_VGA_M80x50: 588 case SW_B40x25: case SW_C40x25: 589 case SW_B80x25: case SW_C80x25: 590 case SW_ENH_B40x25: case SW_ENH_C40x25: 591 case SW_ENH_B80x25: case SW_ENH_C80x25: 592 case SW_ENH_B80x43: case SW_ENH_C80x43: 593 594 if (!crtc_vga) 595 return ENXIO; 596 cmd &= 0xFF; 597 i = cmd < M_VGA_C80x50 ? 598 *(video_mode_ptr + (cmd*64) + 2) : 0x08; 599 switch (i) { 600 default: 601 case 0x08: 602 if (!(fonts_loaded & FONT_8_LOADED)) 603 return EINVAL; 604 break; 605 case 0x0E: 606 if (!(fonts_loaded & FONT_14_LOADED)) 607 return EINVAL; 608 break; 609 case 0x10: 610 if (!(fonts_loaded & FONT_16_LOADED)) 611 return EINVAL; 612 break; 613 } 614 scp->mode = cmd; 615 scp->status &= ~UNKNOWN_MODE; /* text mode */ 616 if (scp->mode < M_VGA_C80x50) { 617 scp->xsize = *(video_mode_ptr + (scp->mode*64)); 618 scp->ysize = *(video_mode_ptr + (scp->mode*64) + 1) + 1; 619 } 620 else switch (scp->mode) { 621 case M_VGA_C80x50: case M_VGA_M80x50: 622 scp->xsize = 80; 623 scp->ysize = 50; 624 break; 625 case M_ENH_B80x43: case M_ENH_C80x43: 626 scp->xsize = 80; 627 scp->ysize = 43; 628 break; 629 } 630 free(scp->scr_buf, M_DEVBUF); 631 scp->scr_buf = (u_short *)malloc(scp->xsize * scp->ysize * 2, 632 M_DEVBUF, M_NOWAIT); 633 if (scp == cur_console) 634 set_mode(scp); 635 else 636 scp->crt_base = scp->scr_buf; 637 clear_screen(scp); 638 if (tp->t_winsize.ws_col != scp->xsize 639 || tp->t_winsize.ws_row != scp->ysize) { 640 tp->t_winsize.ws_col = scp->xsize; 641 tp->t_winsize.ws_row = scp->ysize; 642 pgsignal(tp->t_pgrp, SIGWINCH, 1); 643 } 644 return 0; 645 646 /* GRAPHICS MODES */ 647 case SW_BG320: case SW_CG320: case SW_BG640: 648 case SW_CG320_D: case SW_CG640_E: 649 case SW_CG640x350: case SW_ENH_CG640: 650 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 651 652 scp->mode = cmd & 0xFF; 653 scp->status |= UNKNOWN_MODE; /* graphics mode */ 654 if (scp == cur_console) 655 set_mode(scp); 656 /* clear_graphics();*/ 657 return 0; 658 659 case CONS_GETVERS: /* get version number */ 660 *(int*)data = 0x103; /* version 1.3 */ 661 return 0; 662 663 case CONS_GETINFO: /* get current (virtual) console info */ 664 { 665 vid_info_t *ptr = (vid_info_t*)data; 666 if (ptr->size == sizeof(struct vid_info)) { 667 ptr->m_num = get_scr_num(); 668 ptr->mv_col = scp->xpos; 669 ptr->mv_row = scp->ypos; 670 ptr->mv_csz = scp->xsize; 671 ptr->mv_rsz = scp->ysize; 672 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 673 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 674 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 675 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 676 ptr->mv_grfc.fore = 0; /* not supported */ 677 ptr->mv_grfc.back = 0; /* not supported */ 678 ptr->mv_ovscan = scp->border; 679 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 680 return 0; 681 } 682 return EINVAL; 683 } 684 685 case VT_SETMODE: /* set screen switcher mode */ 686 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 687 if (scp->smode.mode == VT_PROCESS) { 688 scp->proc = p; 689 scp->pid = scp->proc->p_pid; 690 } 691 return 0; 692 693 case VT_GETMODE: /* get screen switcher mode */ 694 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 695 return 0; 696 697 case VT_RELDISP: /* screen switcher ioctl */ 698 switch(*data) { 699 case VT_FALSE: /* user refuses to release screen, abort */ 700 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 701 old_scp->status &= ~SWITCH_WAIT_REL; 702 switch_in_progress = 0; 703 return 0; 704 } 705 return EINVAL; 706 707 case VT_TRUE: /* user has released screen, go on */ 708 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 709 scp->status &= ~SWITCH_WAIT_REL; 710 exchange_scr(); 711 if (new_scp->smode.mode == VT_PROCESS) { 712 new_scp->status |= SWITCH_WAIT_ACQ; 713 psignal(new_scp->proc, 714 new_scp->smode.acqsig); 715 } 716 else 717 switch_in_progress = 0; 718 return 0; 719 } 720 return EINVAL; 721 722 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 723 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 724 scp->status &= ~SWITCH_WAIT_ACQ; 725 switch_in_progress = 0; 726 return 0; 727 } 728 return EINVAL; 729 730 default: 731 return EINVAL; 732 } 733 /* NOT REACHED */ 734 735 case VT_OPENQRY: /* return free virtual console */ 736 for (i = 0; i < NCONS; i++) { 737 tp = VIRTUAL_TTY(i); 738 if (!(tp->t_state & TS_ISOPEN)) { 739 *data = i + 1; 740 return 0; 741 } 742 } 743 return EINVAL; 744 745 case VT_ACTIVATE: /* switch to screen *data */ 746 return switch_scr((*data) - 1); 747 748 case VT_WAITACTIVE: /* wait for switch to occur */ 749 if (*data > NCONS) 750 return EINVAL; 751 if (minor(dev) == (*data) - 1) 752 return 0; 753 if (*data == 0) { 754 if (scp == cur_console) 755 return 0; 756 while ((error=tsleep((caddr_t)&scp->smode, 757 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 758 } 759 else 760 while ((error=tsleep( 761 (caddr_t)&console[*(data-1)].smode, 762 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 763 return error; 764 765 case VT_GETACTIVE: 766 *data = get_scr_num()+1; 767 return 0; 768 769 case KDENABIO: /* allow io operations */ 770 fp = (struct trapframe *)p->p_md.md_regs; 771 fp->tf_eflags |= PSL_IOPL; 772 return 0; 773 774 case KDDISABIO: /* disallow io operations (default) */ 775 fp = (struct trapframe *)p->p_md.md_regs; 776 fp->tf_eflags &= ~PSL_IOPL; 777 return 0; 778 779 case KDSETMODE: /* set current mode of this (virtual) console */ 780 switch (*data) { 781 case KD_TEXT: /* switch to TEXT (known) mode */ 782 /* restore fonts & palette ! */ 783 if (crtc_vga) { 784 if (fonts_loaded & FONT_16_LOADED) 785 copy_font(LOAD, 0, 16, font_16); 786 if (fonts_loaded & FONT_8_LOADED) 787 copy_font(LOAD, 1, 8, font_8); 788 if (fonts_loaded & FONT_14_LOADED) 789 copy_font(LOAD, 2, 14, font_14); 790 load_palette(); 791 } 792 /* FALL THROUGH */ 793 794 case KD_TEXT1: /* switch to TEXT (known) mode */ 795 /* no restore fonts & palette */ 796 scp->status &= ~UNKNOWN_MODE; 797 set_mode(scp); 798 clear_screen(scp); 799 return 0; 800 801 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 802 scp->status |= UNKNOWN_MODE; 803 return 0; 804 default: 805 return EINVAL; 806 } 807 /* NOT REACHED */ 808 809 case KDGETMODE: /* get current mode of this (virtual) console */ 810 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 811 return 0; 812 813 case KDSBORDER: /* set border color of this (virtual) console */ 814 if (!crtc_vga) 815 return ENXIO; 816 scp->border = *data; 817 if (scp == cur_console) 818 set_border(scp->border); 819 return 0; 820 821 case KDSKBSTATE: /* set keyboard state (locks) */ 822 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 823 scp->status &= ~LOCK_KEY_MASK; 824 scp->status |= *data; 825 if (scp == cur_console) 826 update_leds(scp->status); 827 return 0; 828 } 829 return EINVAL; 830 831 case KDGKBSTATE: /* get keyboard state (locks) */ 832 *data = scp->status & LOCK_KEY_MASK; 833 return 0; 834 835 case KDSETRAD: /* set keyboard repeat & delay rates */ 836 if (*data & 0x80) 837 return EINVAL; 838 i = spltty(); 839 kbd_cmd(KB_SETRAD); 840 kbd_cmd(*data); 841 splx(i); 842 return 0; 843 844 case KDSKBMODE: /* set keyboard mode */ 845 switch (*data) { 846 case K_RAW: /* switch to RAW scancode mode */ 847 scp->status |= KBD_RAW_MODE; 848 return 0; 849 850 case K_XLATE: /* switch to XLT ascii mode */ 851 if (scp == cur_console && scp->status == KBD_RAW_MODE) 852 shfts = ctls = alts = agrs = metas = 0; 853 scp->status &= ~KBD_RAW_MODE; 854 return 0; 855 default: 856 return EINVAL; 857 } 858 /* NOT REACHED */ 859 860 case KDGKBMODE: /* get keyboard mode */ 861 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 862 return 0; 863 864 case KDMKTONE: /* sound the bell */ 865 if (scp == cur_console) 866 sysbeep(scp->bell_pitch, scp->bell_duration); 867 return 0; 868 869 case KIOCSOUND: /* make tone (*data) hz */ 870 if (scp == cur_console) { 871 if (*(int*)data) { 872 int pitch = TIMER_FREQ/(*(int*)data); 873 /* set command for counter 2, 2 byte write */ 874 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) { 875 return EBUSY; 876 } 877 /* set pitch */ 878 outb(TIMER_CNTR2, pitch); 879 outb(TIMER_CNTR2, (pitch>>8)); 880 /* enable counter 2 output to speaker */ 881 outb(IO_PPI, inb(IO_PPI) | 3); 882 } 883 else { 884 /* disable counter 2 output to speaker */ 885 outb(IO_PPI, inb(IO_PPI) & 0xFC); 886 release_timer2(); 887 } 888 } 889 return 0; 890 891 case KDGKBTYPE: /* get keyboard type */ 892 *data = 0; /* type not known (yet) */ 893 return 0; 894 895 case KDSETLED: /* set keyboard LED status */ 896 if (*data >= 0 && *data <= LED_MASK) { 897 scp->status &= ~LED_MASK; 898 scp->status |= *data; 899 if (scp == cur_console) 900 update_leds(scp->status); 901 return 0; 902 } 903 return EINVAL; 904 905 case KDGETLED: /* get keyboard LED status */ 906 *data = scp->status & LED_MASK; 907 return 0; 908 909 case GETFKEY: /* get functionkey string */ 910 if (*(u_short*)data < n_fkey_tab) { 911 fkeyarg_t *ptr = (fkeyarg_t*)data; 912 bcopy(&fkey_tab[ptr->keynum].str, 913 ptr->keydef, 914 fkey_tab[ptr->keynum].len); 915 ptr->flen = fkey_tab[ptr->keynum].len; 916 return 0; 917 } 918 else 919 return EINVAL; 920 921 case SETFKEY: /* set functionkey string */ 922 if (*(u_short*)data < n_fkey_tab) { 923 fkeyarg_t *ptr = (fkeyarg_t*)data; 924 bcopy(ptr->keydef, 925 &fkey_tab[ptr->keynum].str, 926 min(ptr->flen, MAXFK)); 927 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 928 return 0; 929 } 930 else 931 return EINVAL; 932 933 case GIO_SCRNMAP: /* get output translation table */ 934 bcopy(&scr_map, data, sizeof(scr_map)); 935 return 0; 936 937 case PIO_SCRNMAP: /* set output translation table */ 938 bcopy(data, &scr_map, sizeof(scr_map)); 939 return 0; 940 941 case GIO_KEYMAP: /* get keyboard translation table */ 942 bcopy(&key_map, data, sizeof(key_map)); 943 return 0; 944 945 case PIO_KEYMAP: /* set keyboard translation table */ 946 bcopy(data, &key_map, sizeof(key_map)); 947 return 0; 948 949 case PIO_FONT8x8: /* set 8x8 dot font */ 950 if (!crtc_vga) 951 return ENXIO; 952 bcopy(data, font_8, 8*256); 953 fonts_loaded |= FONT_8_LOADED; 954 copy_font(LOAD, 1, 8, font_8); 955 return 0; 956 957 case GIO_FONT8x8: /* get 8x8 dot font */ 958 if (!crtc_vga) 959 return ENXIO; 960 if (fonts_loaded & FONT_8_LOADED) { 961 bcopy(font_8, data, 8*256); 962 return 0; 963 } 964 else 965 return ENXIO; 966 967 case PIO_FONT8x14: /* set 8x14 dot font */ 968 if (!crtc_vga) 969 return ENXIO; 970 bcopy(data, font_14, 14*256); 971 fonts_loaded |= FONT_14_LOADED; 972 copy_font(LOAD, 2, 14, font_14); 973 return 0; 974 975 case GIO_FONT8x14: /* get 8x14 dot font */ 976 if (!crtc_vga) 977 return ENXIO; 978 if (fonts_loaded & FONT_14_LOADED) { 979 bcopy(font_14, data, 14*256); 980 return 0; 981 } 982 else 983 return ENXIO; 984 985 case PIO_FONT8x16: /* set 8x16 dot font */ 986 if (!crtc_vga) 987 return ENXIO; 988 bcopy(data, font_16, 16*256); 989 fonts_loaded |= FONT_16_LOADED; 990 copy_font(LOAD, 0, 16, font_16); 991 return 0; 992 993 case GIO_FONT8x16: /* get 8x16 dot font */ 994 if (!crtc_vga) 995 return ENXIO; 996 if (fonts_loaded & FONT_16_LOADED) { 997 bcopy(font_16, data, 16*256); 998 return 0; 999 } 1000 else 1001 return ENXIO; 1002 1003 case CONSOLE_X_MODE_ON: /* just to be compatible */ 1004 if (saved_console < 0) { 1005 saved_console = get_scr_num(); 1006 switch_scr(minor(dev)); 1007 fp = (struct trapframe *)p->p_md.md_regs; 1008 fp->tf_eflags |= PSL_IOPL; 1009 scp->status |= UNKNOWN_MODE; 1010 scp->status |= KBD_RAW_MODE; 1011 return 0; 1012 } 1013 return EAGAIN; 1014 1015 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 1016 fp = (struct trapframe *)p->p_md.md_regs; 1017 fp->tf_eflags &= ~PSL_IOPL; 1018 if (crtc_vga) { 1019 if (fonts_loaded & FONT_16_LOADED) 1020 copy_font(LOAD, 0, 16, font_16); 1021 if (fonts_loaded & FONT_8_LOADED) 1022 copy_font(LOAD, 1, 8, font_8); 1023 if (fonts_loaded & FONT_14_LOADED) 1024 copy_font(LOAD, 2, 14, font_14); 1025 load_palette(); 1026 } 1027 scp->status &= ~UNKNOWN_MODE; 1028 set_mode(scp); 1029 clear_screen(scp); 1030 scp->status &= ~KBD_RAW_MODE; 1031 switch_scr(saved_console); 1032 saved_console = -1; 1033 return 0; 1034 1035 case CONSOLE_X_BELL: /* more compatibility */ 1036 /* 1037 * if set, data is a pointer to a length 2 array of 1038 * integers. data[0] is the pitch in Hz and data[1] 1039 * is the duration in msec. 1040 */ 1041 if (data) 1042 sysbeep(TIMER_FREQ/((int*)data)[0], 1043 ((int*)data)[1]*hz/1000); 1044 else 1045 sysbeep(scp->bell_pitch, scp->bell_duration); 1046 return 0; 1047 1048 default: 1049 break; 1050 } 1051 1052 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1053 if (error >= 0) 1054 return(error); 1055 error = ttioctl(tp, cmd, data, flag); 1056 if (error >= 0) 1057 return(error); 1058 return(ENOTTY); 1059} 1060 1061void 1062pcxint(dev_t dev) 1063{ 1064 struct tty *tp = get_tty_ptr(dev); 1065 1066 if (!tp) 1067 return; 1068 tp->t_state &= ~TS_BUSY; 1069 if (tp->t_line) 1070 (*linesw[tp->t_line].l_start)(tp); 1071 else 1072 pcstart(tp); 1073} 1074 1075void 1076pcstart(struct tty *tp) 1077{ 1078 struct clist *rbp; 1079 int i, s, len; 1080 u_char buf[PCBURST]; 1081 scr_stat *scp = get_scr_stat(tp->t_dev); 1082 1083 if (scp->status & SLKED) 1084 return; 1085 s = spltty(); 1086 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1087 tp->t_state |= TS_BUSY; 1088 splx(s); 1089 rbp = &tp->t_outq; 1090 while (rbp->c_cc) { 1091 len = q_to_b(rbp, buf, PCBURST); 1092 for (i=0; i<len; i++) 1093 if (buf[i]) ansi_put(scp, buf[i]); 1094 } 1095 s = spltty(); 1096 tp->t_state &= ~TS_BUSY; 1097#if 0 1098 if (rbp->c_cc) { 1099 tp->t_state |= TS_TIMEOUT; 1100 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1101 } 1102#endif 1103 if (rbp->c_cc <= tp->t_lowat) { 1104 if (tp->t_state & TS_ASLEEP) { 1105 tp->t_state &= ~TS_ASLEEP; 1106 wakeup((caddr_t)rbp); 1107 } 1108 selwakeup(&tp->t_wsel); 1109 } 1110 } 1111 splx(s); 1112} 1113 1114void 1115pccnprobe(struct consdev *cp) 1116{ 1117 int maj; 1118 1119 /* locate the major number */ 1120 for (maj = 0; maj < nchrdev; maj++) 1121 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1122 break; 1123 1124 /* initialize required fields */ 1125 cp->cn_dev = makedev(maj, NCONS); 1126 cp->cn_pri = CN_INTERNAL; 1127} 1128 1129void 1130pccninit(struct consdev *cp) 1131{ 1132 scinit(); 1133} 1134 1135void 1136pccnputc(dev_t dev, char c) 1137{ 1138 if (c == '\n') 1139 scput('\r'); 1140 scput(c); 1141 if (cur_console == &console[0]) { 1142 int pos = cur_console->crtat - cur_console->crt_base; 1143 if (pos != cur_cursor_pos) { 1144 cur_cursor_pos = pos; 1145 outb(crtc_addr,14); 1146 outb(crtc_addr+1,pos >> 8); 1147 outb(crtc_addr,15); 1148 outb(crtc_addr+1,pos&0xff); 1149 } 1150 } 1151} 1152 1153int 1154pccngetc(dev_t dev) 1155{ 1156 int s = spltty(); /* block scintr while we poll */ 1157 int c = scgetc(0); 1158 splx(s); 1159 if (c == '\r') c = '\n'; 1160 return(c); 1161} 1162 1163static void 1164none_saver(int test) 1165{ 1166} 1167 1168static void 1169fade_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 1200blank_saver(int test) 1201{ 1202 u_char val; 1203 if (test) { 1204 scrn_blanked = 1; 1205 outb(TSIDX, 0x01); val = inb(TSREG); 1206 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1207 } 1208 else { 1209 scrn_blanked = 0; 1210 outb(TSIDX, 0x01); val = inb(TSREG); 1211 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1212 } 1213} 1214 1215static void 1216green_saver(int test) 1217{ 1218 u_char val; 1219 if (test) { 1220 scrn_blanked = 1; 1221 outb(TSIDX, 0x01); val = inb(TSREG); 1222 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1223 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1224 outb(crtc_addr + 1, val & ~0x80); 1225 } 1226 else { 1227 scrn_blanked = 0; 1228 outb(TSIDX, 0x01); val = inb(TSREG); 1229 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1230 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1231 outb(crtc_addr + 1, val | 0x80); 1232 } 1233} 1234 1235#define NUM_STARS 50 1236 1237/* 1238 * Alternate saver that got its inspiration from a well known utility 1239 * package for an inferior^H^H^H^H^H^Hfamous OS. 1240 */ 1241static void 1242star_saver(int test) 1243{ 1244 scr_stat *scp = cur_console; 1245 int cell, i; 1246 char pattern[] = {"...........++++*** "}; 1247 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1248 FG_WHITE, FG_LIGHTCYAN}; 1249 static u_short stars[NUM_STARS][2]; 1250 1251 if (test) { 1252 if (!scrn_blanked) { 1253 bcopy(Crtat, scp->scr_buf, 1254 scp->xsize * scp->ysize * 2); 1255 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1256 scp->xsize * scp->ysize); 1257 set_border(0); 1258 i = scp->ysize * scp->xsize + 5; 1259 outb(crtc_addr, 14); 1260 outb(crtc_addr+1, i >> 8); 1261 outb(crtc_addr, 15); 1262 outb(crtc_addr+1, i & 0xff); 1263 scrn_blanked = 1; 1264 for(i=0; i<NUM_STARS; i++) { 1265 stars[i][0] = 1266 random() % (scp->xsize*scp->ysize); 1267 stars[i][1] = 0; 1268 } 1269 } 1270 cell = random() % NUM_STARS; 1271 *((u_short*)(Crtat + stars[cell][0])) = 1272 scr_map[pattern[stars[cell][1]]] | 1273 colors[random()%sizeof(colors)] << 8; 1274 if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) { 1275 stars[cell][0] = random() % (scp->xsize*scp->ysize); 1276 stars[cell][1] = 0; 1277 } 1278 } 1279 else { 1280 if (scrn_blanked) { 1281 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1282 cur_cursor_pos = -1; 1283 set_border(scp->border); 1284 scrn_blanked = 0; 1285 } 1286 } 1287} 1288 1289static void 1290snake_saver(int test) 1291{ 1292 const char saves[] = {"FreeBSD-2.0"}; 1293 static u_char *savs[sizeof(saves)-1]; 1294 static int dirx, diry; 1295 int f; 1296 scr_stat *scp = cur_console; 1297 1298 if (test) { 1299 if (!scrn_blanked) { 1300 bcopy(Crtat, scp->scr_buf, 1301 scp->xsize * scp->ysize * 2); 1302 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1303 Crtat, scp->xsize * scp->ysize); 1304 set_border(0); 1305 dirx = (scp->xpos ? 1 : -1); 1306 diry = (scp->ypos ? 1307 scp->xsize : -scp->xsize); 1308 for (f=0; f< sizeof(saves)-1; f++) 1309 savs[f] = (u_char *)Crtat + 2 * 1310 (scp->xpos+scp->ypos*scp->xsize); 1311 *(savs[0]) = scr_map[*saves]; 1312 f = scp->ysize * scp->xsize + 5; 1313 outb(crtc_addr, 14); 1314 outb(crtc_addr+1, f >> 8); 1315 outb(crtc_addr, 15); 1316 outb(crtc_addr+1, f & 0xff); 1317 scrn_blanked = 1; 1318 } 1319 if (scrn_blanked++ < 4) 1320 return; 1321 scrn_blanked = 1; 1322 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1323 for (f=sizeof(saves)-2; f > 0; f--) 1324 savs[f] = savs[f-1]; 1325 f = (savs[0] - (u_char *)Crtat) / 2; 1326 if ((f % scp->xsize) == 0 || 1327 (f % scp->xsize) == scp->xsize - 1 || 1328 (random() % 50) == 0) 1329 dirx = -dirx; 1330 if ((f / scp->xsize) == 0 || 1331 (f / scp->xsize) == scp->ysize - 1 || 1332 (random() % 20) == 0) 1333 diry = -diry; 1334 savs[0] += 2*dirx + 2*diry; 1335 for (f=sizeof(saves)-2; f>=0; f--) 1336 *(savs[f]) = scr_map[saves[f]]; 1337 } 1338 else { 1339 if (scrn_blanked) { 1340 bcopy(scp->scr_buf, Crtat, 1341 scp->xsize * scp->ysize * 2); 1342 cur_cursor_pos = -1; 1343 set_border(scp->border); 1344 scrn_blanked = 0; 1345 } 1346 } 1347} 1348 1349static void 1350cursor_shape(int start, int end) 1351{ 1352 outb(crtc_addr, 10); 1353 outb(crtc_addr+1, start & 0xFF); 1354 outb(crtc_addr, 11); 1355 outb(crtc_addr+1, end & 0xFF); 1356} 1357 1358#if !defined(FAT_CURSOR) 1359static void 1360get_cursor_shape(int *start, int *end) 1361{ 1362 outb(crtc_addr, 10); 1363 *start = inb(crtc_addr+1) & 0x1F; 1364 outb(crtc_addr, 11); 1365 *end = inb(crtc_addr+1) & 0x1F; 1366} 1367#endif 1368 1369static void 1370cursor_pos(int force) 1371{ 1372 int pos; 1373 1374 if (cur_console->status & UNKNOWN_MODE) 1375 return; 1376 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1377 SCRN_SAVER(1); 1378 pos = cur_console->crtat - cur_console->crt_base; 1379 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1380 cur_cursor_pos = pos; 1381 outb(crtc_addr, 14); 1382 outb(crtc_addr+1, pos>>8); 1383 outb(crtc_addr, 15); 1384 outb(crtc_addr+1, pos&0xff); 1385 } 1386 timeout((timeout_t)cursor_pos, 0, hz/20); 1387} 1388 1389static void 1390clear_screen(scr_stat *scp) 1391{ 1392 move_crsr(scp, 0, 0); 1393 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1394 scp->xsize * scp->ysize); 1395} 1396 1397static int 1398switch_scr(u_int next_scr) 1399{ 1400 if (switch_in_progress && 1401 (cur_console->proc != pfind(cur_console->pid))) 1402 switch_in_progress = 0; 1403 1404 if (next_scr >= NCONS || switch_in_progress 1405 || (cur_console->smode.mode == VT_AUTO 1406 && cur_console->status & UNKNOWN_MODE)) { 1407 sysbeep(BELL_PITCH, BELL_DURATION); 1408 return EINVAL; 1409 } 1410 1411 /* is the wanted virtual console open ? */ 1412 if (next_scr) { 1413 struct tty *tp = VIRTUAL_TTY(next_scr); 1414 if (!(tp->t_state & TS_ISOPEN)) { 1415 sysbeep(BELL_PITCH, BELL_DURATION); 1416 return EINVAL; 1417 } 1418 } 1419 if (in_putc) { /* delay switch if in putc */ 1420 delayed_next_scr = next_scr+1; 1421 return 0; 1422 } 1423 switch_in_progress = 1; 1424 old_scp = cur_console; 1425 new_scp = &console[next_scr]; 1426 wakeup((caddr_t)&new_scp->smode); 1427 if (new_scp == old_scp) { 1428 switch_in_progress = 0; 1429 return 0; 1430 } 1431 1432 /* has controlling process died? */ 1433 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1434 old_scp->smode.mode = VT_AUTO; 1435 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1436 new_scp->smode.mode = VT_AUTO; 1437 1438 /* check the modes and switch approbiatly */ 1439 if (old_scp->smode.mode == VT_PROCESS) { 1440 old_scp->status |= SWITCH_WAIT_REL; 1441 psignal(old_scp->proc, old_scp->smode.relsig); 1442 } 1443 else { 1444 exchange_scr(); 1445 if (new_scp->smode.mode == VT_PROCESS) { 1446 new_scp->status |= SWITCH_WAIT_ACQ; 1447 psignal(new_scp->proc, new_scp->smode.acqsig); 1448 } 1449 else 1450 switch_in_progress = 0; 1451 } 1452 return 0; 1453} 1454 1455static void 1456exchange_scr(void) 1457{ 1458 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1459 old_scp->crt_base = old_scp->scr_buf; 1460 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1461 cur_console = new_scp; 1462 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)) 1463 set_mode(new_scp); 1464 new_scp->crt_base = Crtat; 1465 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1466 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1467 update_leds(new_scp->status); 1468 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1469 if (fonts_loaded & FONT_16_LOADED) 1470 copy_font(LOAD, 0, 16, font_16); 1471 if (fonts_loaded & FONT_8_LOADED) 1472 copy_font(LOAD, 1, 8, font_8); 1473 if (fonts_loaded & FONT_14_LOADED) 1474 copy_font(LOAD, 2, 14, font_14); 1475 load_palette(); 1476 } 1477 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1478 shfts = ctls = alts = agrs = metas = 0; 1479 delayed_next_scr = 0; 1480} 1481 1482static void 1483move_crsr(scr_stat *scp, int x, int y) 1484{ 1485 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1486 return; 1487 scp->xpos = x; 1488 scp->ypos = y; 1489 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1490} 1491 1492static void 1493move_up(u_short *s, u_short *d, u_int len) 1494{ 1495 s += len; 1496 d += len; 1497 while (len-- > 0) 1498 *--d = *--s; 1499} 1500 1501static void 1502move_down(u_short *s, u_short *d, u_int len) 1503{ 1504 while (len-- > 0) 1505 *d++ = *s++; 1506} 1507 1508static void 1509scan_esc(scr_stat *scp, u_char c) 1510{ 1511 static u_char ansi_col[16] = 1512 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1513 int i, n; 1514 u_short *src, *dst, count; 1515 1516 if (scp->term.esc == 1) { 1517 switch (c) { 1518 1519 case '[': /* Start ESC [ sequence */ 1520 scp->term.esc = 2; 1521 scp->term.last_param = -1; 1522 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1523 scp->term.param[i] = 1; 1524 scp->term.num_param = 0; 1525 return; 1526 1527 case 'M': /* Move cursor up 1 line, scroll if at top */ 1528 if (scp->ypos > 0) 1529 move_crsr(scp, scp->xpos, scp->ypos - 1); 1530 else { 1531 move_up(scp->crt_base, 1532 scp->crt_base + scp->xsize, 1533 (scp->ysize - 1) * scp->xsize); 1534 fillw(scp->term.cur_attr | scr_map[0x20], 1535 scp->crt_base, scp->xsize); 1536 } 1537 break; 1538#if notyet 1539 case 'Q': 1540 scp->term.esc = 4; 1541 break; 1542#endif 1543 case 'c': /* Clear screen & home */ 1544 clear_screen(scp); 1545 break; 1546 } 1547 } 1548 else if (scp->term.esc == 2) { 1549 if (c >= '0' && c <= '9') { 1550 if (scp->term.num_param < MAX_ESC_PAR) { 1551 if (scp->term.last_param != scp->term.num_param) { 1552 scp->term.last_param = scp->term.num_param; 1553 scp->term.param[scp->term.num_param] = 0; 1554 } 1555 else 1556 scp->term.param[scp->term.num_param] *= 10; 1557 scp->term.param[scp->term.num_param] += c - '0'; 1558 return; 1559 } 1560 } 1561 scp->term.num_param = scp->term.last_param + 1; 1562 switch (c) { 1563 1564 case ';': 1565 if (scp->term.num_param < MAX_ESC_PAR) 1566 return; 1567 break; 1568 1569 case '=': 1570 scp->term.esc = 3; 1571 scp->term.last_param = -1; 1572 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1573 scp->term.param[i] = 1; 1574 scp->term.num_param = 0; 1575 return; 1576 1577 case 'A': /* up n rows */ 1578 n = scp->term.param[0]; if (n < 1) n = 1; 1579 move_crsr(scp, scp->xpos, scp->ypos - n); 1580 break; 1581 1582 case 'B': /* down n rows */ 1583 n = scp->term.param[0]; if (n < 1) n = 1; 1584 move_crsr(scp, scp->xpos, scp->ypos + n); 1585 break; 1586 1587 case 'C': /* right n columns */ 1588 n = scp->term.param[0]; if (n < 1) n = 1; 1589 move_crsr(scp, scp->xpos + n, scp->ypos); 1590 break; 1591 1592 case 'D': /* left n columns */ 1593 n = scp->term.param[0]; if (n < 1) n = 1; 1594 move_crsr(scp, scp->xpos - n, scp->ypos); 1595 break; 1596 1597 case 'E': /* cursor to start of line n lines down */ 1598 n = scp->term.param[0]; if (n < 1) n = 1; 1599 move_crsr(scp, 0, scp->ypos + n); 1600 break; 1601 1602 case 'F': /* cursor to start of line n lines up */ 1603 n = scp->term.param[0]; if (n < 1) n = 1; 1604 move_crsr(scp, 0, scp->ypos - n); 1605 break; 1606 1607 case 'f': /* System V consoles .. */ 1608 case 'H': /* Cursor move */ 1609 if (scp->term.num_param == 0) 1610 move_crsr(scp, 0, 0); 1611 else if (scp->term.num_param == 2) 1612 move_crsr(scp, scp->term.param[1] - 1, 1613 scp->term.param[0] - 1); 1614 break; 1615 1616 case 'J': /* Clear all or part of display */ 1617 if (scp->term.num_param == 0) 1618 n = 0; 1619 else 1620 n = scp->term.param[0]; 1621 switch (n) { 1622 case 0: /* clear form cursor to end of display */ 1623 fillw(scp->term.cur_attr | scr_map[0x20], 1624 scp->crtat, scp->crt_base + 1625 scp->xsize * scp->ysize - 1626 scp->crtat); 1627 break; 1628 case 1: /* clear from beginning of display to cursor */ 1629 fillw(scp->term.cur_attr | scr_map[0x20], 1630 scp->crt_base, 1631 scp->crtat - scp->crt_base); 1632 break; 1633 case 2: /* clear entire display */ 1634 clear_screen(scp); 1635 break; 1636 } 1637 break; 1638 1639 case 'K': /* Clear all or part of line */ 1640 if (scp->term.num_param == 0) 1641 n = 0; 1642 else 1643 n = scp->term.param[0]; 1644 switch (n) { 1645 case 0: /* clear form cursor to end of line */ 1646 fillw(scp->term.cur_attr | scr_map[0x20], 1647 scp->crtat, scp->xsize - scp->xpos); 1648 break; 1649 case 1: /* clear from beginning of line to cursor */ 1650 fillw(scp->term.cur_attr|scr_map[0x20], 1651 scp->crtat - (scp->xsize - scp->xpos), 1652 (scp->xsize - scp->xpos) + 1); 1653 break; 1654 case 2: /* clear entire line */ 1655 fillw(scp->term.cur_attr|scr_map[0x20], 1656 scp->crtat - (scp->xsize - scp->xpos), 1657 scp->xsize); 1658 break; 1659 } 1660 break; 1661 1662 case 'L': /* Insert n lines */ 1663 n = scp->term.param[0]; if (n < 1) n = 1; 1664 if (n > scp->ysize - scp->ypos) 1665 n = scp->ysize - scp->ypos; 1666 src = scp->crt_base + scp->ypos * scp->xsize; 1667 dst = src + n * scp->xsize; 1668 count = scp->ysize - (scp->ypos + n); 1669 move_up(src, dst, count * scp->xsize); 1670 fillw(scp->term.cur_attr | scr_map[0x20], src, 1671 n * scp->xsize); 1672 break; 1673 1674 case 'M': /* Delete n lines */ 1675 n = scp->term.param[0]; if (n < 1) n = 1; 1676 if (n > scp->ysize - scp->ypos) 1677 n = scp->ysize - scp->ypos; 1678 dst = scp->crt_base + scp->ypos * scp->xsize; 1679 src = dst + n * scp->xsize; 1680 count = scp->ysize - (scp->ypos + n); 1681 move_down(src, dst, count * scp->xsize); 1682 src = dst + count * scp->xsize; 1683 fillw(scp->term.cur_attr | scr_map[0x20], src, 1684 n * scp->xsize); 1685 break; 1686 1687 case 'P': /* Delete n chars */ 1688 n = scp->term.param[0]; if (n < 1) n = 1; 1689 if (n > scp->xsize - scp->xpos) 1690 n = scp->xsize - scp->xpos; 1691 dst = scp->crtat; 1692 src = dst + n; 1693 count = scp->xsize - (scp->xpos + n); 1694 move_down(src, dst, count); 1695 src = dst + count; 1696 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1697 break; 1698 1699 case '@': /* Insert n chars */ 1700 n = scp->term.param[0]; if (n < 1) n = 1; 1701 if (n > scp->xsize - scp->xpos) 1702 n = scp->xsize - scp->xpos; 1703 src = scp->crtat; 1704 dst = src + n; 1705 count = scp->xsize - (scp->xpos + n); 1706 move_up(src, dst, count); 1707 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1708 break; 1709 1710 case 'S': /* scroll up n lines */ 1711 n = scp->term.param[0]; if (n < 1) n = 1; 1712 if (n > scp->ypos) 1713 n = scp->ypos; 1714 bcopy(scp->crt_base + (scp->xsize * n), 1715 scp->crt_base, 1716 scp->xsize * (scp->ysize - n) * 1717 sizeof(u_short)); 1718 fillw(scp->term.cur_attr | scr_map[0x20], 1719 scp->crt_base + scp->xsize * 1720 (scp->ysize - 1), 1721 scp->xsize); 1722 break; 1723 1724 case 'T': /* scroll down n lines */ 1725 n = scp->term.param[0]; if (n < 1) n = 1; 1726 if (n > scp->ysize - scp->ypos) 1727 n = scp->ysize - scp->ypos; 1728 bcopy(scp->crt_base, 1729 scp->crt_base + (scp->xsize * n), 1730 scp->xsize * (scp->ysize - n) * 1731 sizeof(u_short)); 1732 fillw(scp->term.cur_attr | scr_map[0x20], 1733 scp->crt_base, scp->xsize); 1734 break; 1735 1736 case 'X': /* delete n characters in line */ 1737 n = scp->term.param[0]; if (n < 1) n = 1; 1738 if (n > scp->xsize - scp->xpos) 1739 n = scp->xsize - scp->xpos; 1740 fillw(scp->term.cur_attr | scr_map[0x20], 1741 scp->crt_base + scp->xpos + 1742 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1743 break; 1744 1745 case 'Z': /* move n tabs backwards */ 1746 n = scp->term.param[0]; if (n < 1) n = 1; 1747 if ((i = scp->xpos & 0xf8) == scp->xpos) 1748 i -= 8*n; 1749 else 1750 i -= 8*(n-1); 1751 if (i < 0) 1752 i = 0; 1753 move_crsr(scp, i, scp->ypos); 1754 break; 1755 1756 case '`': /* move cursor to column n */ 1757 n = scp->term.param[0]; if (n < 1) n = 1; 1758 move_crsr(scp, n, scp->ypos); 1759 break; 1760 1761 case 'a': /* move cursor n columns to the right */ 1762 n = scp->term.param[0]; if (n < 1) n = 1; 1763 move_crsr(scp, scp->xpos + n, scp->ypos); 1764 break; 1765 1766 case 'd': /* move cursor to row n */ 1767 n = scp->term.param[0]; if (n < 1) n = 1; 1768 move_crsr(scp, scp->xpos, n); 1769 break; 1770 1771 case 'e': /* move cursor n rows down */ 1772 n = scp->term.param[0]; if (n < 1) n = 1; 1773 move_crsr(scp, scp->xpos, scp->ypos + n); 1774 break; 1775 1776 case 'm': /* change attribute */ 1777 if (scp->term.num_param == 0) { 1778 scp->term.cur_attr = scp->term.std_attr; 1779 break; 1780 } 1781 for (i = 0; i < scp->term.num_param; i++) { 1782 switch (n = scp->term.param[i]) { 1783 case 0: /* back to normal */ 1784 scp->term.cur_attr = scp->term.std_attr; 1785 break; 1786 case 1: /* highlight (bold) */ 1787 scp->term.cur_attr &= 0xFF00; 1788 scp->term.cur_attr |= 0x0800; 1789 break; 1790 case 4: /* highlight (underline) */ 1791 scp->term.cur_attr &= 0xFF00; 1792 scp->term.cur_attr |= 0x0800; 1793 break; 1794 case 5: /* blink */ 1795 scp->term.cur_attr &= 0xFF00; 1796 scp->term.cur_attr |= 0x8000; 1797 break; 1798 case 7: /* reverse video */ 1799 scp->term.cur_attr = scp->term.rev_attr; 1800 break; 1801 case 30: case 31: /* set fg color */ 1802 case 32: case 33: case 34: 1803 case 35: case 36: case 37: 1804 scp->term.cur_attr = 1805 (scp->term.cur_attr & 0xF8FF) 1806 | (ansi_col[(n-30) & 7] << 8); 1807 break; 1808 case 40: case 41: /* set bg color */ 1809 case 42: case 43: case 44: 1810 case 45: case 46: case 47: 1811 scp->term.cur_attr = 1812 (scp->term.cur_attr & 0x8FFF) 1813 | (ansi_col[(n-40) & 7] << 12); 1814 break; 1815 } 1816 } 1817 break; 1818 1819 case 'x': 1820 if (scp->term.num_param == 0) 1821 n = 0; 1822 else 1823 n = scp->term.param[0]; 1824 switch (n) { 1825 case 0: /* reset attributes */ 1826 scp->term.cur_attr = scp->term.std_attr = 1827 current_default->std_attr; 1828 scp->term.rev_attr = current_default->rev_attr; 1829 break; 1830 case 1: /* set ansi background */ 1831 scp->term.cur_attr = scp->term.std_attr = 1832 (scp->term.std_attr & 0x0F00) | 1833 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1834 break; 1835 case 2: /* set ansi foreground */ 1836 scp->term.cur_attr = scp->term.std_attr = 1837 (scp->term.std_attr & 0xF000) | 1838 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1839 break; 1840 case 3: /* set ansi attribute directly */ 1841 scp->term.cur_attr = scp->term.std_attr = 1842 (scp->term.param[1]&0xFF)<<8; 1843 break; 1844 case 5: /* set ansi reverse video background */ 1845 scp->term.rev_attr = 1846 (scp->term.rev_attr & 0x0F00) | 1847 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1848 break; 1849 case 6: /* set ansi reverse video foreground */ 1850 scp->term.rev_attr = 1851 (scp->term.rev_attr & 0xF000) | 1852 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1853 break; 1854 case 7: /* set ansi reverse video directly */ 1855 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1856 break; 1857 } 1858 break; 1859 1860 case 'z': /* switch to (virtual) console n */ 1861 if (scp->term.num_param == 1) 1862 switch_scr(scp->term.param[0]); 1863 break; 1864 } 1865 } 1866 else if (scp->term.esc == 3) { 1867 if (c >= '0' && c <= '9') { 1868 if (scp->term.num_param < MAX_ESC_PAR) { 1869 if (scp->term.last_param != scp->term.num_param) { 1870 scp->term.last_param = scp->term.num_param; 1871 scp->term.param[scp->term.num_param] = 0; 1872 } 1873 else 1874 scp->term.param[scp->term.num_param] *= 10; 1875 scp->term.param[scp->term.num_param] += c - '0'; 1876 return; 1877 } 1878 } 1879 scp->term.num_param = scp->term.last_param + 1; 1880 switch (c) { 1881 1882 case ';': 1883 if (scp->term.num_param < MAX_ESC_PAR) 1884 return; 1885 break; 1886 1887 case 'A': /* set display border color */ 1888 if (scp->term.num_param == 1) 1889 scp->border=scp->term.param[0] & 0xff; 1890 if (scp == cur_console) 1891 set_border(scp->border); 1892 break; 1893 1894 case 'B': /* set bell pitch and duration */ 1895 if (scp->term.num_param == 2) { 1896 scp->bell_pitch = scp->term.param[0]; 1897 scp->bell_duration = scp->term.param[1]*10; 1898 } 1899 break; 1900 1901 case 'C': /* set cursor shape (start & end line) */ 1902 if (scp->term.num_param == 2) { 1903 scp->cursor_start = scp->term.param[0] & 0x1F; 1904 scp->cursor_end = scp->term.param[1] & 0x1F; 1905 if (scp == cur_console) 1906 cursor_shape(scp->cursor_start, 1907 scp->cursor_end); 1908 } 1909 break; 1910 1911 case 'F': /* set ansi foreground */ 1912 if (scp->term.num_param == 1) 1913 scp->term.cur_attr = scp->term.std_attr = 1914 (scp->term.std_attr & 0xF000) 1915 | ((scp->term.param[0] & 0x0F) << 8); 1916 break; 1917 1918 case 'G': /* set ansi background */ 1919 if (scp->term.num_param == 1) 1920 scp->term.cur_attr = scp->term.std_attr = 1921 (scp->term.std_attr & 0x0F00) 1922 | ((scp->term.param[0] & 0x0F) << 12); 1923 break; 1924 1925 case 'H': /* set ansi reverse video foreground */ 1926 if (scp->term.num_param == 1) 1927 scp->term.rev_attr = 1928 (scp->term.rev_attr & 0xF000) 1929 | ((scp->term.param[0] & 0x0F) << 8); 1930 break; 1931 1932 case 'I': /* set ansi reverse video background */ 1933 if (scp->term.num_param == 1) 1934 scp->term.rev_attr = 1935 (scp->term.rev_attr & 0x0F00) 1936 | ((scp->term.param[0] & 0x0F) << 12); 1937 break; 1938 } 1939 } 1940 scp->term.esc = 0; 1941} 1942 1943static void 1944ansi_put(scr_stat *scp, u_char c) 1945{ 1946 if (scp->status & UNKNOWN_MODE) 1947 return; 1948 1949 /* make screensaver happy */ 1950 if (scp == cur_console) { 1951 scrn_time_stamp = time.tv_sec; 1952 if (scrn_blanked) 1953 SCRN_SAVER(0); 1954 } 1955 in_putc++; 1956 if (scp->term.esc) 1957 scan_esc(scp, c); 1958 else switch(c) { 1959 case 0x1B: /* start escape sequence */ 1960 scp->term.esc = 1; 1961 scp->term.num_param = 0; 1962 break; 1963 case 0x07: 1964 if (scp == cur_console) 1965 sysbeep(scp->bell_pitch, scp->bell_duration); 1966 break; 1967 case '\t': /* non-destructive tab */ 1968 scp->crtat += (8 - scp->xpos % 8); 1969 scp->xpos += (8 - scp->xpos % 8); 1970 break; 1971 case '\b': /* non-destructive backspace */ 1972 if (scp->crtat > scp->crt_base) { 1973 scp->crtat--; 1974 if (scp->xpos > 0) 1975 scp->xpos--; 1976 else { 1977 scp->xpos += scp->xsize - 1; 1978 scp->ypos--; 1979 } 1980 } 1981 break; 1982 case '\r': /* return to pos 0 */ 1983 move_crsr(scp, 0, scp->ypos); 1984 break; 1985 case '\n': /* newline, same pos */ 1986 scp->crtat += scp->xsize; 1987 scp->ypos++; 1988 break; 1989 case '\f': /* form feed, clears screen */ 1990 clear_screen(scp); 1991 break; 1992 default: 1993 /* Print only printables */ 1994 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 1995 scp->crtat++; 1996 if (++scp->xpos >= scp->xsize) { 1997 scp->xpos = 0; 1998 scp->ypos++; 1999 } 2000 break; 2001 } 2002 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 2003 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 2004 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2005 fillw(scp->term.cur_attr | scr_map[0x20], 2006 scp->crt_base + scp->xsize * (scp->ysize - 1), 2007 scp->xsize); 2008 scp->crtat -= scp->xsize; 2009 scp->ypos--; 2010 } 2011 in_putc--; 2012 if (delayed_next_scr) 2013 switch_scr(delayed_next_scr - 1); 2014} 2015 2016static void 2017scinit(void) 2018{ 2019 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 2020 unsigned cursorat; 2021 int start = -1, end = -1, i; 2022 scr_stat *scp; 2023 2024 /* 2025 * catch that once in a blue moon occurence when scinit is called 2026 * TWICE, adding the CGA_BUF offset again -> poooff 2027 */ 2028 if (crtat != 0) 2029 return; 2030 /* 2031 * Crtat initialized to point to MONO buffer, if not present change 2032 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 2033 * in the remapped offset at the "right" time 2034 */ 2035 was = *cp; 2036 *cp = (u_short) 0xA55A; 2037 if (*cp != 0xA55A) { 2038 crtc_addr = MONO_BASE; 2039 color_display = 0; 2040 } else { 2041 *cp = was; 2042 crtc_addr = COLOR_BASE; 2043 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2044 color_display = 1; 2045 } 2046 2047 /* Extract cursor location */ 2048 outb(crtc_addr,14); 2049 cursorat = inb(crtc_addr+1)<<8 ; 2050 outb(crtc_addr,15); 2051 cursorat |= inb(crtc_addr+1); 2052 crtat = Crtat + cursorat; 2053 2054 /* is this a VGA or higher ? */ 2055 outb(crtc_addr, 7); 2056 if (inb(crtc_addr) == 7) { 2057 crtc_vga = 1; 2058#if defined(FAT_CURSOR) 2059 start = 0; 2060 end = 18; 2061 cursor_shape(start, end); 2062#else 2063 get_cursor_shape(&start, &end); 2064#endif 2065 } 2066 current_default = &user_default; 2067 for (i = 0; i < NCONS; i++) { 2068 scp = &console[i]; 2069 scp->mode = M_VGA_C80x25; 2070 scp->term.esc = 0; 2071 scp->term.std_attr = current_default->std_attr; 2072 scp->term.rev_attr = current_default->rev_attr; 2073 scp->term.cur_attr = scp->term.std_attr; 2074 scp->border = BG_BLACK; 2075 scp->cursor_start = start; 2076 scp->cursor_end = end; 2077 scp->xsize = COL; 2078 scp->ysize = ROW; 2079 scp->bell_pitch = BELL_PITCH; 2080 scp->bell_duration = BELL_DURATION; 2081#ifndef LAPTOP 2082 scp->status = NLKED; 2083#else 2084 scp->status = 0; 2085#endif 2086 scp->pid = 0; 2087 scp->proc = NULL; 2088 scp->smode.mode = VT_AUTO; 2089 if (i == 0) { 2090 scp->xpos = cursorat % COL; 2091 scp->ypos = cursorat / COL; 2092 scp->crt_base = Crtat; 2093 scp->crtat = crtat; 2094 } 2095 } 2096 kernel_console.esc = 0; 2097 kernel_console.std_attr = kernel_default.std_attr; 2098 kernel_console.rev_attr = kernel_default.rev_attr; 2099 kernel_console.cur_attr = kernel_default.std_attr; 2100 /* initialize mapscrn array to a one to one map */ 2101 for (i=0; i<sizeof(scr_map); i++) 2102 scr_map[i] = i; 2103} 2104 2105static void 2106scput(u_char c) 2107{ 2108 scr_stat *scp = &console[0]; 2109 term_stat save; 2110 2111 if (crtat == 0) 2112 scinit(); 2113 if( in_putc == 0) { 2114 ++in_putc; 2115 save = scp->term; 2116 scp->term = kernel_console; 2117 current_default = &kernel_default; 2118 ansi_put(scp, c); 2119 kernel_console = scp->term; 2120 current_default = &user_default; 2121 scp->term = save; 2122 --in_putc; 2123 } else { 2124 if( console_buffer_count < CONSOLE_BUFSIZE) 2125 console_buffer[console_buffer_count++] = c; 2126 } 2127} 2128 2129static u_char 2130*get_fstr(u_int c, u_int *len) 2131{ 2132 u_int i; 2133 2134 if (!(c & FKEY)) 2135 return(NULL); 2136 i = (c & 0xFF) - F_FN; 2137 if (i > n_fkey_tab) 2138 return(NULL); 2139 *len = fkey_tab[i].len; 2140 return(fkey_tab[i].str); 2141} 2142 2143static void 2144update_leds(int which) 2145{ 2146 int s; 2147 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2148 2149 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2150 if (key_map.n_keys > ALTGR_OFFSET) { 2151 if (which & ALKED) 2152 which |= CLKED; 2153 else 2154 which &= ~CLKED; 2155 } 2156 s = spltty(); 2157 kbd_cmd(KB_SETLEDS); 2158 kbd_cmd(xlate_leds[which & LED_MASK]); 2159 splx(s); 2160} 2161 2162/* 2163 * scgetc(noblock) - get character from keyboard. 2164 * If noblock = 0 wait until a key is pressed. 2165 * Else return NOKEY. 2166 */ 2167u_int 2168scgetc(int noblock) 2169{ 2170 u_char scancode, keycode; 2171 u_int state, action; 2172 struct key_t *key; 2173 static u_char esc_flag = 0, compose = 0; 2174 static u_int chr = 0; 2175 2176next_code: 2177 kbd_wait(); 2178 /* First see if there is something in the keyboard port */ 2179 if (inb(KB_STAT) & KB_BUF_FULL) 2180 scancode = inb(KB_DATA); 2181 else if (noblock) 2182 return(NOKEY); 2183 else 2184 goto next_code; 2185 2186 if (cur_console->status & KBD_RAW_MODE) 2187 return scancode; 2188#if ASYNCH 2189 if (scancode == KB_ACK || scancode == KB_RESEND) { 2190 kbd_reply = scancode; 2191 if (noblock) 2192 return(NOKEY); 2193 goto next_code; 2194 } 2195#endif 2196 keycode = scancode & 0x7F; 2197 switch (esc_flag) { 2198 case 0x00: /* normal scancode */ 2199 switch(scancode) { 2200 case 0xB8: /* left alt (compose key) */ 2201 if (compose) { 2202 compose = 0; 2203 if (chr > 255) { 2204 sysbeep(BELL_PITCH, BELL_DURATION); 2205 chr = 0; 2206 } 2207 } 2208 break; 2209 case 0x38: 2210 if (!compose) { 2211 compose = 1; 2212 chr = 0; 2213 } 2214 break; 2215 case 0xE0: 2216 case 0xE1: 2217 esc_flag = scancode; 2218 goto next_code; 2219 } 2220 break; 2221 case 0xE0: /* 0xE0 prefix */ 2222 esc_flag = 0; 2223 switch (keycode) { 2224 case 0x1C: /* right enter key */ 2225 keycode = 0x59; 2226 break; 2227 case 0x1D: /* right ctrl key */ 2228 keycode = 0x5A; 2229 break; 2230 case 0x35: /* keypad divide key */ 2231 keycode = 0x5B; 2232 break; 2233 case 0x37: /* print scrn key */ 2234 keycode = 0x5C; 2235 break; 2236 case 0x38: /* right alt key (alt gr) */ 2237 keycode = 0x5D; 2238 break; 2239 case 0x47: /* grey home key */ 2240 keycode = 0x5E; 2241 break; 2242 case 0x48: /* grey up arrow key */ 2243 keycode = 0x5F; 2244 break; 2245 case 0x49: /* grey page up key */ 2246 keycode = 0x60; 2247 break; 2248 case 0x4B: /* grey left arrow key */ 2249 keycode = 0x61; 2250 break; 2251 case 0x4D: /* grey right arrow key */ 2252 keycode = 0x62; 2253 break; 2254 case 0x4F: /* grey end key */ 2255 keycode = 0x63; 2256 break; 2257 case 0x50: /* grey down arrow key */ 2258 keycode = 0x64; 2259 break; 2260 case 0x51: /* grey page down key */ 2261 keycode = 0x65; 2262 break; 2263 case 0x52: /* grey insert key */ 2264 keycode = 0x66; 2265 break; 2266 case 0x53: /* grey delete key */ 2267 keycode = 0x67; 2268 break; 2269 default: /* ignore everything else */ 2270 goto next_code; 2271 } 2272 break; 2273 case 0xE1: /* 0xE1 prefix */ 2274 esc_flag = 0; 2275 if (keycode == 0x1D) 2276 esc_flag = 0x1D; 2277 goto next_code; 2278 /* NOT REACHED */ 2279 case 0x1D: /* pause / break */ 2280 esc_flag = 0; 2281 if (keycode != 0x45) 2282 goto next_code; 2283 keycode = 0x68; 2284 break; 2285 } 2286 2287 if (compose) { 2288 switch (scancode) { 2289 /* key pressed process it */ 2290 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2291 chr = (scancode - 0x40) + chr*10; 2292 goto next_code; 2293 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2294 chr = (scancode - 0x47) + chr*10; 2295 goto next_code; 2296 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2297 chr = (scancode - 0x4E) + chr*10; 2298 goto next_code; 2299 case 0x52: /* keypad 0 */ 2300 chr *= 10; 2301 goto next_code; 2302 2303 /* key release, no interest here */ 2304 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2305 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2306 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2307 case 0xD2: /* keypad 0 */ 2308 goto next_code; 2309 2310 case 0x38: /* left alt key */ 2311 break; 2312 default: 2313 if (chr) { 2314 compose = chr = 0; 2315 sysbeep(BELL_PITCH, BELL_DURATION); 2316 goto next_code; 2317 } 2318 break; 2319 } 2320 } 2321 2322 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2323 if ((!agrs && (cur_console->status & ALKED)) 2324 || (agrs && !(cur_console->status & ALKED))) 2325 keycode += ALTGR_OFFSET; 2326 key = &key_map.key[keycode]; 2327 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2328 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2329 state ^= 1; 2330 2331 /* Check for make/break */ 2332 action = key->map[state]; 2333 if (scancode & 0x80) { /* key released */ 2334 if (key->spcl & 0x80) { 2335 switch (action) { 2336 case LSH: 2337 shfts &= ~1; 2338 break; 2339 case RSH: 2340 shfts &= ~2; 2341 break; 2342 case LCTR: 2343 ctls &= ~1; 2344 break; 2345 case RCTR: 2346 ctls &= ~2; 2347 break; 2348 case LALT: 2349 alts &= ~1; 2350 break; 2351 case RALT: 2352 alts &= ~2; 2353 break; 2354 case NLK: 2355 nlkcnt = 0; 2356 break; 2357 case CLK: 2358 clkcnt = 0; 2359 break; 2360 case SLK: 2361 slkcnt = 0; 2362 break; 2363 case ASH: 2364 agrs = 0; 2365 break; 2366 case ALK: 2367 alkcnt = 0; 2368 break; 2369 case META: 2370 metas = 0; 2371 break; 2372 } 2373 } 2374 if (chr && !compose) { 2375 action = chr; 2376 chr = 0; 2377 return(action); 2378 } 2379 } else { 2380 /* key pressed */ 2381 if (key->spcl & (0x80>>state)) { 2382 switch (action) { 2383 /* LOCKING KEYS */ 2384 case NLK: 2385 if (!nlkcnt) { 2386 nlkcnt++; 2387 if (cur_console->status & NLKED) 2388 cur_console->status &= ~NLKED; 2389 else 2390 cur_console->status |= NLKED; 2391 update_leds(cur_console->status); 2392 } 2393 break; 2394 case CLK: 2395 if (!clkcnt) { 2396 clkcnt++; 2397 if (cur_console->status & CLKED) 2398 cur_console->status &= ~CLKED; 2399 else 2400 cur_console->status |= CLKED; 2401 update_leds(cur_console->status); 2402 } 2403 break; 2404 case SLK: 2405 if (!slkcnt) { 2406 slkcnt++; 2407 if (cur_console->status & SLKED) { 2408 cur_console->status &= ~SLKED; 2409 pcstart(VIRTUAL_TTY(get_scr_num())); 2410 } 2411 else 2412 cur_console->status |= SLKED; 2413 update_leds(cur_console->status); 2414 } 2415 break; 2416 case ALK: 2417 if (!alkcnt) { 2418 alkcnt++; 2419 if (cur_console->status & ALKED) 2420 cur_console->status &= ~ALKED; 2421 else 2422 cur_console->status |= ALKED; 2423 update_leds(cur_console->status); 2424 } 2425 break; 2426 2427 /* NON-LOCKING KEYS */ 2428 case NOP: 2429 break; 2430 case RBT: 2431 shutdown_nice(); 2432 break; 2433 case SUSP: 2434 break; 2435 2436 case DBG: 2437#ifdef DDB /* try to switch to console 0 */ 2438 if (cur_console->smode.mode == VT_AUTO && 2439 console[0].smode.mode == VT_AUTO) 2440 switch_scr(0); 2441 Debugger("manual escape to debugger"); 2442 return(NOKEY); 2443#else 2444 printf("No debugger in kernel\n"); 2445#endif 2446 break; 2447 case LSH: 2448 shfts |= 1; 2449 break; 2450 case RSH: 2451 shfts |= 2; 2452 break; 2453 case LCTR: 2454 ctls |= 1; 2455 break; 2456 case RCTR: 2457 ctls |= 2; 2458 break; 2459 case LALT: 2460 alts |= 1; 2461 break; 2462 case RALT: 2463 alts |= 2; 2464 break; 2465 case ASH: 2466 agrs = 1; 2467 break; 2468 case META: 2469 metas = 1; 2470 break; 2471 case NEXT: 2472 switch_scr((get_scr_num()+1)%NCONS); 2473 break; 2474 default: 2475 if (action >= F_SCR && action <= L_SCR) { 2476 switch_scr(action - F_SCR); 2477 break; 2478 } 2479 if (action >= F_FN && action <= L_FN) 2480 action |= FKEY; 2481 return(action); 2482 } 2483 } 2484 else { 2485 if (metas) 2486 action |= MKEY; 2487 return(action); 2488 } 2489 } 2490 goto next_code; 2491} 2492 2493int 2494getchar(void) 2495{ 2496 u_char thechar; 2497 int s; 2498 2499 polling = 1; 2500 s = splhigh(); 2501 scput('>'); 2502 thechar = (u_char) scgetc(0); 2503 polling = 0; 2504 splx(s); 2505 switch (thechar) { 2506 default: 2507 if (thechar >= scr_map[0x20]) 2508 scput(thechar); 2509 return(thechar); 2510 case cr: 2511 case lf: 2512 scput(cr); scput(lf); 2513 return(lf); 2514 case bs: 2515 case del: 2516 scput(bs); scput(scr_map[0x20]); scput(bs); 2517 return(thechar); 2518 case cntld: 2519 scput('^'); scput('D'); scput('\r'); scput('\n'); 2520 return(0); 2521 } 2522} 2523 2524u_int 2525sgetc(int noblock) 2526{ 2527 return (scgetc(noblock) & 0xff); 2528} 2529 2530int 2531pcmmap(dev_t dev, int offset, int nprot) 2532{ 2533 if (offset > 0x20000) 2534 return EINVAL; 2535 return i386_btop((VIDEOMEM + offset)); 2536} 2537 2538static void 2539kbd_wait(void) 2540{ 2541 int i = 1000; 2542 2543 while (i--) { 2544 if ((inb(KB_STAT) & KB_READY) == 0) 2545 break; 2546 DELAY (10); 2547 } 2548} 2549 2550static void 2551kbd_cmd(u_char command) 2552{ 2553 int retry = 5; 2554 do { 2555 int i = 100000; 2556 2557 kbd_wait(); 2558#if ASYNCH 2559 kbd_reply = 0; 2560 outb(KB_DATA, command); 2561 while (i--) { 2562 if (kbd_reply == KB_ACK) 2563 return; 2564 if (kbd_reply == KB_RESEND) 2565 break; 2566 } 2567#else 2568 outb(KB_DATA, command); 2569 while (i--) { 2570 if (inb(KB_STAT) & KB_BUF_FULL) { 2571 int val; 2572 DELAY(10); 2573 val = inb(KB_DATA); 2574 if (val == KB_ACK) 2575 return; 2576 if (val == KB_RESEND) 2577 break; 2578 } 2579 } 2580#endif 2581 } while (retry--); 2582} 2583 2584static void 2585set_mode(scr_stat *scp) 2586{ 2587 char *modetable; 2588 char special_modetable[64]; 2589 int mode, font_size; 2590 2591 if (scp != cur_console) 2592 return; 2593 2594 /* mode change only on VGA's */ 2595 if (!crtc_vga) { 2596 /* (re)activate cursor */ 2597 untimeout((timeout_t)cursor_pos, 0); 2598 cursor_pos(1); 2599 return; 2600 } 2601 2602 /* setup video hardware for the given mode */ 2603 switch (scp->mode) { 2604 case M_VGA_C80x50: 2605 bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 2606 special_modetable[2] = 8; 2607 special_modetable[19] = 7; 2608 modetable = special_modetable; 2609 goto setup_mode; 2610 2611 case M_VGA_M80x50: 2612 bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 2613 special_modetable[2] = 8; 2614 special_modetable[19] = 7; 2615 modetable = special_modetable; 2616 goto setup_mode; 2617 2618 case M_ENH_B80x43: 2619 bcopy(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 2620 special_modetable[2] = 8; 2621 special_modetable[19] = 7; 2622 special_modetable[28] = 87; 2623 modetable = special_modetable; 2624 goto setup_mode; 2625 2626 case M_ENH_C80x43: 2627 bcopy(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 2628 special_modetable[2] = 8; 2629 special_modetable[19] = 7; 2630 special_modetable[28] = 87; 2631 modetable = special_modetable; 2632 goto setup_mode; 2633 2634 case M_VGA_C40x25: case M_VGA_C80x25: /* VGA TEXT MODES */ 2635 case M_VGA_M80x25: 2636 case M_B40x25: case M_C40x25: 2637 case M_B80x25: case M_C80x25: 2638 case M_ENH_B40x25: case M_ENH_C40x25: 2639 case M_ENH_B80x25: case M_ENH_C80x25: 2640 2641 modetable = (char*)(video_mode_ptr + (scp->mode * 64)); 2642setup_mode: 2643 set_vgaregs(modetable); 2644 font_size = *(modetable + 2); 2645 /* change cursor type if set */ 2646 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2647 cursor_shape( 2648 (scp->cursor_start >= font_size) 2649 ? font_size - 1 2650 : scp->cursor_start, 2651 (scp->cursor_end >= font_size) 2652 ? font_size - 1 2653 : scp->cursor_end); 2654 2655 /* set font type (size) */ 2656 switch (font_size) { 2657 case 0x08: 2658 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2659 break; 2660 case 0x0E: 2661 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2662 break; 2663 case 0x10: 2664 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2665 break; 2666 default: 2667 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2668 } 2669 2670 /* (re)activate cursor */ 2671 untimeout((timeout_t)cursor_pos, 0); 2672 cursor_pos(1); 2673 break; 2674 2675 case M_BG320: case M_CG320: case M_BG640: 2676 case M_CG320_D: case M_CG640_E: 2677 case M_CG640x350: case M_ENH_CG640: 2678 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2679 2680 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2681 break; 2682 2683 default: 2684 /* call user defined function XXX */ 2685 break; 2686 } 2687 2688 /* set border color for this (virtual) console */ 2689 set_border(scp->border); 2690 return; 2691} 2692 2693static void 2694set_border(int color) 2695{ 2696 inb(crtc_addr+6); /* reset flip-flop */ 2697 outb(ATC, 0x11); outb(ATC, color); 2698 inb(crtc_addr+6); /* reset flip-flop */ 2699 outb(ATC, 0x20); /* enable Palette */ 2700} 2701 2702static void 2703set_vgaregs(char *modetable) 2704{ 2705 int i, s = splhigh(); 2706 2707 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2708 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2709 for (i=0; i<4; i++) { /* program sequencer */ 2710 outb(TSIDX, i+1); 2711 outb(TSREG, modetable[i+5]); 2712 } 2713 outb(MISC, modetable[9]); /* set dot-clock */ 2714 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2715 outb(crtc_addr, 0x11); 2716 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2717 for (i=0; i<25; i++) { /* program crtc */ 2718 outb(crtc_addr, i); 2719 outb(crtc_addr+1, modetable[i+10]); 2720 } 2721 inb(crtc_addr+6); /* reset flip-flop */ 2722 for (i=0; i<20; i++) { /* program attribute ctrl */ 2723 outb(ATC, i); 2724 outb(ATC, modetable[i+35]); 2725 } 2726 for (i=0; i<9; i++) { /* program graph data ctrl */ 2727 outb(GDCIDX, i); 2728 outb(GDCREG, modetable[i+55]); 2729 } 2730 inb(crtc_addr+6); /* reset flip-flop */ 2731 outb(ATC ,0x20); /* enable palette */ 2732 splx(s); 2733} 2734 2735static void 2736copy_font(int direction, int segment, int size, char* font) 2737{ 2738 int ch, line, s; 2739 u_char val; 2740 2741 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2742 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2743 2744 /* setup vga for loading fonts (graphics plane mode) */ 2745 inb(crtc_addr+6); /* reset flip/flop */ 2746 outb(ATC, 0x30); outb(ATC, 0x01); 2747 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2748 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2749 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2750 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2751 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2752 for (ch=0; ch < 256; ch++) 2753 for (line=0; line < size; line++) 2754 if (direction) 2755 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2756 font[(ch*size)+line]; 2757 else 2758 font[(ch*size)+line] = 2759 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line); 2760 /* setup vga for text mode again */ 2761 s = splhigh(); 2762 inb(crtc_addr+6); /* reset flip/flop */ 2763 outb(ATC, 0x30); outb(ATC, 0x0C); 2764 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2765 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2766 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2767 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2768 if (crtc_addr == MONO_BASE) { 2769 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2770 } 2771 else { 2772 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2773 } 2774 splx(s); 2775 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2776 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2777} 2778 2779static void 2780load_palette(void) 2781{ 2782 int i; 2783 2784 outb(PIXMASK, 0xFF); /* no pixelmask */ 2785 outb(PALWADR, 0x00); 2786 for (i=0x00; i<0x300; i++) 2787 outb(PALDATA, palette[i]); 2788 inb(crtc_addr+6); /* reset flip/flop */ 2789 outb(ATC, 0x20); /* enable palette */ 2790} 2791 2792static void 2793save_palette(void) 2794{ 2795 int i; 2796 2797 outb(PALRADR, 0x00); 2798 for (i=0x00; i<0x300; i++) 2799 palette[i] = inb(PALDATA); 2800 inb(crtc_addr+6); /* reset flip/flop */ 2801} 2802 2803#endif /* NSC */ 2804