syscons.c revision 3141
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 * $Id: syscons.c,v 1.57 1994/09/27 01:50:07 ache Exp $ 38 */ 39 40#include "sc.h" 41 42#if NSC > 0 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/conf.h> 47#include <sys/ioctl.h> 48#include <sys/proc.h> 49#include <sys/user.h> 50#include <sys/tty.h> 51#include <sys/uio.h> 52#include <sys/callout.h> 53#include <sys/kernel.h> 54#include <sys/syslog.h> 55#include <sys/errno.h> 56#include <sys/malloc.h> 57#include <machine/console.h> 58#include <machine/psl.h> 59#include <machine/frame.h> 60#include <machine/pc/display.h> 61#include <i386/isa/isa.h> 62#include <i386/isa/isa_device.h> 63#include <i386/isa/timerreg.h> 64#include <i386/isa/kbdtables.h> 65#include <i386/i386/cons.h> 66 67#if !defined(NCONS) 68#define NCONS 12 69#endif 70 71#if defined(HARDFONTS) 72#include <i386/isa/iso8859.font> 73#endif 74 75/* status flags */ 76#define LOCK_KEY_MASK 0x0000F 77#define LED_MASK 0x00007 78#define UNKNOWN_MODE 0x00010 79#define KBD_RAW_MODE 0x00020 80#define SWITCH_WAIT_REL 0x00040 81#define SWITCH_WAIT_ACQ 0x00080 82 83/* video hardware memory addresses */ 84#define VIDEOMEM 0x000A0000 85 86/* misc defines */ 87#define MAX_ESC_PAR 5 88#define LOAD 1 89#define SAVE 0 90#define COL 80 91#define ROW 25 92#define BELL_DURATION 5 93#define BELL_PITCH 800 94#define TIMER_FREQ 1193182 /* should be in isa.h */ 95#define CONSOLE_BUFSIZE 1024 96#define PCBURST 128 97#define FONT_8_LOADED 0x001 98#define FONT_14_LOADED 0x002 99#define FONT_16_LOADED 0x004 100 101/* defines related to hardware addresses */ 102#define MONO_BASE 0x3B4 /* crt controller base mono */ 103#define COLOR_BASE 0x3D4 /* crt controller base color */ 104#define MISC 0x3C2 /* misc output register */ 105#define ATC IO_VGA+0x00 /* attribute controller */ 106#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 107#define TSREG IO_VGA+0x05 /* timing sequencer data */ 108#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 109#define PALRADR IO_VGA+0x07 /* palette read address */ 110#define PALWADR IO_VGA+0x08 /* palette write address */ 111#define PALDATA IO_VGA+0x09 /* palette data register */ 112#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 113#define GDCREG IO_VGA+0x0F /* graph data controller data */ 114 115/* special characters */ 116#define cntlc 0x03 117#define cntld 0x04 118#define bs 0x08 119#define lf 0x0a 120#define cr 0x0d 121#define del 0x7f 122 123typedef struct term_stat { 124 int esc; /* processing escape sequence */ 125 int num_param; /* # of parameters to ESC */ 126 int last_param; /* last parameter # */ 127 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 128 int cur_attr; /* current attributes */ 129 int std_attr; /* normal attributes */ 130 int rev_attr; /* reverse attributes */ 131} term_stat; 132 133typedef struct scr_stat { 134 u_short *crt_base; /* address of screen memory */ 135 u_short *scr_buf; /* buffer when off screen */ 136 u_short *crtat; /* cursor address */ 137 int xpos; /* current X position */ 138 int ypos; /* current Y position */ 139 int xsize; /* X size */ 140 int ysize; /* Y size */ 141 term_stat term; /* terminal emulation stuff */ 142 char cursor_start; /* cursor start line # */ 143 char cursor_end; /* cursor end line # */ 144 u_char border; /* border color */ 145 u_short bell_duration; 146 u_short bell_pitch; 147 u_short status; /* status (bitfield) */ 148 u_short mode; /* mode */ 149 pid_t pid; /* pid of controlling proc */ 150 struct proc *proc; /* proc* of controlling proc */ 151 struct vt_mode smode; /* switch mode */ 152} scr_stat; 153 154typedef struct default_attr { 155 int std_attr; /* normal attributes */ 156 int rev_attr; /* reverse attributes */ 157} default_attr; 158 159static default_attr user_default = { 160 (FG_LIGHTGREY | BG_BLACK) << 8, 161 (FG_BLACK | BG_LIGHTGREY) << 8 162}; 163 164static default_attr kernel_default = { 165 (FG_WHITE | BG_BLACK) << 8, 166 (FG_BLACK | BG_LIGHTGREY) << 8 167}; 168 169static scr_stat console[NCONS]; 170static scr_stat *cur_console = &console[0]; 171static scr_stat *new_scp, *old_scp; 172static term_stat kernel_console; 173static default_attr *current_default; 174static int console_buffer_count; 175static char console_buffer[CONSOLE_BUFSIZE]; 176static int switch_in_progress = 0; 177static u_short *crtat = 0; 178static u_int crtc_addr = MONO_BASE; 179static char crtc_vga = 0; 180static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 181static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 182static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 183static int fonts_loaded = 0; 184static char palette[3*256]; 185static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 186static int cur_cursor_pos = -1; 187static char in_putc = 0; 188static char polling = 0; 189#if ASYNCH 190static u_char kbd_reply = 0; 191#endif 192static int delayed_next_scr; 193static char saved_console = -1; /* saved console number */ 194static long scrn_blank_time = 0; /* screen saver timeout value */ 195static int scrn_blanked = 0; /* screen saver active flag */ 196static int scrn_saver = 0; /* screen saver routine */ 197static long scrn_time_stamp; 198static u_char scr_map[256]; 199 200/* function prototypes */ 201int pcprobe(struct isa_device *dev); 202int pcattach(struct isa_device *dev); 203int pcopen(dev_t dev, int flag, int mode, struct proc *p); 204int pcclose(dev_t dev, int flag, int mode, struct proc *p); 205int pcread(dev_t dev, struct uio *uio, int flag); 206int pcwrite(dev_t dev, struct uio *uio, int flag); 207int pcparam(struct tty *tp, struct termios *t); 208int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 209void pcxint(dev_t dev); 210void pcstart(struct tty *tp); 211void pccnprobe(struct consdev *cp); 212void pccninit(struct consdev *cp); 213void pccnputc(dev_t dev, char c); 214int pccngetc(dev_t dev); 215void scintr(int unit); 216int pcmmap(dev_t dev, int offset, int nprot); 217u_int sgetc(int noblock); 218int getchar(void); 219static void scinit(void); 220static void scput(u_char c); 221static u_int scgetc(int noblock); 222static struct tty *get_tty_ptr(dev_t dev); 223static scr_stat *get_scr_stat(dev_t dev); 224static int get_scr_num(); 225static void cursor_shape(int start, int end); 226static void get_cursor_shape(int *start, int *end); 227static void cursor_pos(int force); 228static void clear_screen(scr_stat *scp); 229static int switch_scr(u_int next_scr); 230static void exchange_scr(void); 231static void move_crsr(scr_stat *scp, int x, int y); 232static void move_up(u_short *s, u_short *d, u_int len); 233static void move_down(u_short *s, u_short *d, u_int len); 234static void scan_esc(scr_stat *scp, u_char c); 235static void ansi_put(scr_stat *scp, u_char c); 236static u_char *get_fstr(u_int c, u_int *len); 237static void update_leds(int which); 238static void kbd_wait(void); 239static void kbd_cmd(u_char command); 240static void set_mode(scr_stat *scp); 241static void set_border(int color); 242static void set_vgaregs(char *modetable); 243static void copy_font(int direction, int segment, int size, char* font); 244static void save_palette(void); 245static void load_palette(void); 246 247/* available screen savers */ 248static void none_saver(int test); 249static void blank_saver(int test); 250static void fade_saver(int test); 251static void star_saver(int test); 252static void snake_saver(int test); 253static void green_saver(int test); 254 255static const struct { 256 char *name; 257 void (*routine)(); 258} screen_savers[] = { 259 { "none", none_saver }, /* 0 */ 260 { "blank", blank_saver }, /* 1 */ 261 { "fade", fade_saver }, /* 2 */ 262 { "star", star_saver }, /* 3 */ 263 { "snake", snake_saver }, /* 4 */ 264 { "green", green_saver }, /* 5 */ 265}; 266#define SCRN_SAVER(arg) (*screen_savers[scrn_saver].routine)(arg) 267#define NUM_SCRN_SAVERS (sizeof(screen_savers) / sizeof(screen_savers[0])) 268 269/* OS specific stuff */ 270#if 0 271#define VIRTUAL_TTY(x) (pccons[x] = ttymalloc(pccons[x])) 272#define CONSOLE_TTY (pccons[NCONS] = ttymalloc(pccons[NCONS])) 273struct tty *pccons[NCONS+1]; 274#else 275#define VIRTUAL_TTY(x) &pccons[x] 276#define CONSOLE_TTY &pccons[NCONS] 277struct tty pccons[NCONS+1]; 278#endif 279#define timeout_t timeout_func_t 280#define MONO_BUF (KERNBASE+0xB0000) 281#define CGA_BUF (KERNBASE+0xB8000) 282u_short *Crtat = (u_short *)MONO_BUF; 283void consinit(void) {scinit();} 284extern char *video_mode_ptr; 285 286struct isa_driver scdriver = { 287 pcprobe, pcattach, "sc", 288}; 289 290int 291pcprobe(struct isa_device *dev) 292{ 293 int i, retries = 5; 294 unsigned char val; 295 296 /* Enable interrupts and keyboard controller */ 297 kbd_wait(); 298 outb(KB_STAT, KB_WRITE); 299 kbd_wait(); 300 outb(KB_DATA, KB_MODE); 301 302 /* flush any noise in the buffer */ 303 while (inb(KB_STAT) & KB_BUF_FULL) { 304 DELAY(10); 305 (void) inb(KB_DATA); 306 } 307 308 /* Reset keyboard hardware */ 309 while (retries--) { 310 kbd_wait(); 311 outb(KB_DATA, KB_RESET); 312 for (i=0; i<100000; i++) { 313 DELAY(10); 314 val = inb(KB_DATA); 315 if (val == KB_ACK || val == KB_ECHO) 316 goto gotres; 317 if (val == KB_RESEND) 318 break; 319 } 320 } 321gotres: 322 if (!retries) 323 printf("scprobe: keyboard won't accept RESET command\n"); 324 else { 325gotack: 326 DELAY(10); 327 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 328 DELAY(10); 329 val = inb(KB_DATA); 330 if (val == KB_ACK) 331 goto gotack; 332 if (val != KB_RESET_DONE) 333 printf("scprobe: keyboard RESET failed %02x\n", val); 334 } 335 return (IO_KBDSIZE); 336} 337 338int 339pcattach(struct isa_device *dev) 340{ 341 int i; 342 struct scr_stat *scp; 343 344 printf("sc%d: ", dev->id_unit); 345 if (crtc_vga) 346 if (crtc_addr == MONO_BASE) 347 printf("VGA mono"); 348 else 349 printf("VGA color"); 350 else 351 if (crtc_addr == MONO_BASE) 352 printf("MDA/hercules"); 353 else 354 printf("CGA/EGA"); 355 if (NCONS > 1) 356 printf(" <%d virtual consoles>\n", NCONS); 357 else 358 printf("\n"); 359 if (crtc_vga) { 360#if defined(HARDFONTS) 361 font_8 = font_8x8; 362 font_14 = font_8x14; 363 font_16 = font_8x16; 364 fonts_loaded = FONT_8_LOADED|FONT_14_LOADED|FONT_16_LOADED; 365 copy_font(LOAD, 1, 8, font_8); 366 copy_font(LOAD, 2, 14, font_14); 367 copy_font(LOAD, 0, 16, font_16); 368#else 369 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 370 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 371 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 372 copy_font(SAVE, 0, 16, font_16); 373 fonts_loaded = FONT_16_LOADED; 374#endif 375 save_palette(); 376 } 377 for (i = 0; i < NCONS; i++) { 378 scp = &console[i]; 379 scp->scr_buf = (u_short *)malloc(COL*ROW*2, M_DEVBUF, M_NOWAIT); 380 if (i > 0) { 381 scp->crt_base = scp->crtat = scp->scr_buf; 382 clear_screen(scp); 383 } 384 } 385 /* get cursor going */ 386 cursor_pos(1); 387 update_leds(console[0].status); 388 return 0; 389} 390 391static struct tty 392*get_tty_ptr(dev_t dev) 393{ 394 int unit = minor(dev); 395 396 if (unit > NCONS) 397 return(NULL); 398 if (unit == NCONS) 399 return(CONSOLE_TTY); 400 return(VIRTUAL_TTY(unit)); 401} 402 403static scr_stat 404*get_scr_stat(dev_t dev) 405{ 406 int unit = minor(dev); 407 408 if (unit > NCONS) 409 return(NULL); 410 if (unit == NCONS) 411 return(&console[0]); 412 return(&console[unit]); 413} 414 415static int 416get_scr_num() 417{ 418 int i = 0; 419 420 while ((i < NCONS) && (cur_console != &console[i])) i++; 421 return i < NCONS ? i : 0; 422} 423 424int 425pcopen(dev_t dev, int flag, int mode, struct proc *p) 426{ 427 struct tty *tp = get_tty_ptr(dev); 428 429 if (!tp) 430 return(ENXIO); 431 432 tp->t_oproc = pcstart; 433 tp->t_param = pcparam; 434 tp->t_dev = dev; 435 if (!(tp->t_state & TS_ISOPEN)) { 436 ttychars(tp); 437 tp->t_iflag = TTYDEF_IFLAG; 438 tp->t_oflag = TTYDEF_OFLAG; 439 tp->t_cflag = TTYDEF_CFLAG; 440 tp->t_lflag = TTYDEF_LFLAG; 441 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 442 pcparam(tp, &tp->t_termios); 443 ttsetwater(tp); 444 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 445 return(EBUSY); 446 tp->t_state |= TS_CARR_ON; 447 tp->t_cflag |= CLOCAL; 448 return((*linesw[tp->t_line].l_open)(dev, tp)); 449} 450 451int 452pcclose(dev_t dev, int flag, int mode, struct proc *p) 453{ 454 struct tty *tp = get_tty_ptr(dev); 455 struct scr_stat *scp; 456 457 if (!tp) 458 return(ENXIO); 459 if (minor(dev) < NCONS) { 460 scp = get_scr_stat(tp->t_dev); 461 if (scp->status & SWITCH_WAIT_ACQ) 462 wakeup((caddr_t)&scp->smode); 463 scp->pid = 0; 464 scp->proc = NULL; 465 scp->smode.mode = VT_AUTO; 466 } 467 (*linesw[tp->t_line].l_close)(tp, flag); 468 ttyclose(tp); 469 return(0); 470} 471 472int 473pcread(dev_t dev, struct uio *uio, int flag) 474{ 475 struct tty *tp = get_tty_ptr(dev); 476 477 if (!tp) 478 return(ENXIO); 479 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 480} 481 482int 483pcwrite(dev_t dev, struct uio *uio, int flag) 484{ 485 struct tty *tp = get_tty_ptr(dev); 486 487 if (!tp) 488 return(ENXIO); 489 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 490} 491 492void 493scintr(int unit) 494{ 495 static struct tty *cur_tty; 496 int c, len; 497 u_char *cp; 498 499 /* make screensaver happy */ 500 scrn_time_stamp = time.tv_sec; 501 if (scrn_blanked) 502 SCRN_SAVER(0); 503 504 c = scgetc(1); 505 506 cur_tty = VIRTUAL_TTY(get_scr_num()); 507 if (!(cur_tty->t_state & TS_ISOPEN)) 508 cur_tty = CONSOLE_TTY; 509 510 if (!(cur_tty->t_state & TS_ISOPEN) || polling) 511 return; 512 513 switch (c & 0xff00) { 514 case 0x0000: /* normal key */ 515 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 516 break; 517 case NOKEY: /* nothing there */ 518 break; 519 case FKEY: /* function key, return string */ 520 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 521 while (len-- > 0) 522 (*linesw[cur_tty->t_line].l_rint) 523 (*cp++ & 0xFF, cur_tty); 524 } 525 break; 526 case MKEY: /* meta is active, prepend ESC */ 527 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 528 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 529 break; 530 } 531} 532 533int 534pcparam(struct tty *tp, struct termios *t) 535{ 536 int cflag = t->c_cflag; 537 538 /* and copy to tty */ 539 tp->t_ispeed = t->c_ispeed; 540 tp->t_ospeed = t->c_ospeed; 541 tp->t_cflag = cflag; 542 return 0; 543} 544 545int 546pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 547{ 548 int i, error; 549 struct tty *tp; 550 struct trapframe *fp; 551 scr_stat *scp; 552 553 tp = get_tty_ptr(dev); 554 if (!tp) 555 return ENXIO; 556 scp = get_scr_stat(tp->t_dev); 557 558 switch (cmd) { /* process console hardware related ioctl's */ 559 560 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 561 scrn_blank_time = *(int*)data; 562 return 0; 563 564#define SAVER(p) ((ssaver_t *)(p)) 565 case CONS_SSAVER: /* set screen saver */ 566 if (SAVER(data)->num < 0 567 || SAVER(data)->num >= NUM_SCRN_SAVERS) 568 return EIO; 569 SCRN_SAVER(0); 570 scrn_saver = SAVER(data)->num; 571 scrn_blank_time = SAVER(data)->time; 572 return 0; 573 574 case CONS_GSAVER: /* get screen saver info */ 575 if (SAVER(data)->num < 0) 576 SAVER(data)->num = scrn_saver; 577 else if (SAVER(data)->num >= NUM_SCRN_SAVERS) 578 return EIO; 579 SAVER(data)->time = scrn_blank_time; 580 strcpy(SAVER(data)->name, screen_savers[SAVER(data)->num].name); 581 return 0; 582 583 case SW_VGA_C40x25: case SW_VGA_C80x25: /* VGA TEXT MODES */ 584 case SW_VGA_M80x25: 585 case SW_VGA_C80x50: case SW_VGA_M80x50: 586 case SW_B40x25: case SW_C40x25: 587 case SW_B80x25: case SW_C80x25: 588 case SW_ENH_B40x25: case SW_ENH_C40x25: 589 case SW_ENH_B80x25: case SW_ENH_C80x25: 590 case SW_ENH_B80x43: case SW_ENH_C80x43: 591 592 if (!crtc_vga) 593 return ENXIO; 594 cmd &= 0xFF; 595 i = cmd < M_VGA_C80x50 ? 596 *(video_mode_ptr + (cmd*64) + 2) : 0x08; 597 switch (i) { 598 default: 599 case 0x08: 600 if (!(fonts_loaded & FONT_8_LOADED)) 601 return EINVAL; 602 break; 603 case 0x0E: 604 if (!(fonts_loaded & FONT_14_LOADED)) 605 return EINVAL; 606 break; 607 case 0x10: 608 if (!(fonts_loaded & FONT_16_LOADED)) 609 return EINVAL; 610 break; 611 } 612 scp->mode = cmd; 613 scp->status &= ~UNKNOWN_MODE; /* text mode */ 614 if (scp->mode < M_VGA_C80x50) { 615 scp->xsize = *(video_mode_ptr + (scp->mode*64)); 616 scp->ysize = *(video_mode_ptr + (scp->mode*64) + 1) + 1; 617 } 618 else switch (scp->mode) { 619 case M_VGA_C80x50: case M_VGA_M80x50: 620 scp->xsize = 80; 621 scp->ysize = 50; 622 break; 623 case M_ENH_B80x43: case M_ENH_C80x43: 624 scp->xsize = 80; 625 scp->ysize = 43; 626 break; 627 } 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 set_mode(scp); 633 else 634 scp->crt_base = scp->scr_buf; 635 clear_screen(scp); 636 if (tp->t_winsize.ws_col != scp->xsize 637 || tp->t_winsize.ws_row != scp->ysize) { 638 tp->t_winsize.ws_col = scp->xsize; 639 tp->t_winsize.ws_row = scp->ysize; 640 pgsignal(tp->t_pgrp, SIGWINCH, 1); 641 } 642 return 0; 643 644 /* GRAPHICS MODES */ 645 case SW_BG320: case SW_CG320: case SW_BG640: 646 case SW_CG320_D: case SW_CG640_E: 647 case SW_CG640x350: case SW_ENH_CG640: 648 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 649 650 scp->mode = cmd & 0xFF; 651 scp->status |= UNKNOWN_MODE; /* graphics mode */ 652 if (scp == cur_console) 653 set_mode(scp); 654 /* clear_graphics();*/ 655 return 0; 656 657 case CONS_GETVERS: /* get version number */ 658 *(int*)data = 0x103; /* version 1.3 */ 659 return 0; 660 661 case CONS_GETINFO: /* get current (virtual) console info */ 662 { 663 vid_info_t *ptr = (vid_info_t*)data; 664 if (ptr->size == sizeof(struct vid_info)) { 665 ptr->m_num = get_scr_num(); 666 ptr->mv_col = scp->xpos; 667 ptr->mv_row = scp->ypos; 668 ptr->mv_csz = scp->xsize; 669 ptr->mv_rsz = scp->ysize; 670 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 671 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 672 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 673 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 674 ptr->mv_grfc.fore = 0; /* not supported */ 675 ptr->mv_grfc.back = 0; /* not supported */ 676 ptr->mv_ovscan = scp->border; 677 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 678 return 0; 679 } 680 return EINVAL; 681 } 682 683 case VT_SETMODE: /* set screen switcher mode */ 684 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 685 if (scp->smode.mode == VT_PROCESS) { 686 scp->proc = p; 687 scp->pid = scp->proc->p_pid; 688 } 689 return 0; 690 691 case VT_GETMODE: /* get screen switcher mode */ 692 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 693 return 0; 694 695 case VT_RELDISP: /* screen switcher ioctl */ 696 switch(*data) { 697 case VT_FALSE: /* user refuses to release screen, abort */ 698 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 699 old_scp->status &= ~SWITCH_WAIT_REL; 700 switch_in_progress = 0; 701 return 0; 702 } 703 return EINVAL; 704 705 case VT_TRUE: /* user has released screen, go on */ 706 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 707 scp->status &= ~SWITCH_WAIT_REL; 708 exchange_scr(); 709 if (new_scp->smode.mode == VT_PROCESS) { 710 new_scp->status |= SWITCH_WAIT_ACQ; 711 psignal(new_scp->proc, 712 new_scp->smode.acqsig); 713 } 714 else 715 switch_in_progress = 0; 716 return 0; 717 } 718 return EINVAL; 719 720 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 721 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 722 scp->status &= ~SWITCH_WAIT_ACQ; 723 switch_in_progress = 0; 724 return 0; 725 } 726 return EINVAL; 727 728 default: 729 return EINVAL; 730 } 731 /* NOT REACHED */ 732 733 case VT_OPENQRY: /* return free virtual console */ 734 for (i = 0; i < NCONS; i++) { 735 tp = VIRTUAL_TTY(i); 736 if (!(tp->t_state & TS_ISOPEN)) { 737 *data = i + 1; 738 return 0; 739 } 740 } 741 return EINVAL; 742 743 case VT_ACTIVATE: /* switch to screen *data */ 744 return switch_scr((*data) - 1); 745 746 case VT_WAITACTIVE: /* wait for switch to occur */ 747 if (*data > NCONS) 748 return EINVAL; 749 if (minor(dev) == (*data) - 1) 750 return 0; 751 if (*data == 0) { 752 if (scp == cur_console) 753 return 0; 754 while ((error=tsleep((caddr_t)&scp->smode, 755 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 756 } 757 else 758 while ((error=tsleep( 759 (caddr_t)&console[*(data-1)].smode, 760 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 761 return error; 762 763 case VT_GETACTIVE: 764 *data = get_scr_num()+1; 765 return 0; 766 767 case KDENABIO: /* allow io operations */ 768 fp = (struct trapframe *)p->p_md.md_regs; 769 fp->tf_eflags |= PSL_IOPL; 770 return 0; 771 772 case KDDISABIO: /* disallow io operations (default) */ 773 fp = (struct trapframe *)p->p_md.md_regs; 774 fp->tf_eflags &= ~PSL_IOPL; 775 return 0; 776 777 case KDSETMODE: /* set current mode of this (virtual) console */ 778 switch (*data) { 779 case KD_TEXT: /* switch to TEXT (known) mode */ 780 /* restore fonts & palette ! */ 781 if (crtc_vga) { 782 if (fonts_loaded & FONT_16_LOADED) 783 copy_font(LOAD, 0, 16, font_16); 784 if (fonts_loaded & FONT_8_LOADED) 785 copy_font(LOAD, 1, 8, font_8); 786 if (fonts_loaded & FONT_14_LOADED) 787 copy_font(LOAD, 2, 14, font_14); 788 load_palette(); 789 } 790 /* FALL THROUGH */ 791 792 case KD_TEXT1: /* switch to TEXT (known) mode */ 793 /* no restore fonts & palette */ 794 scp->status &= ~UNKNOWN_MODE; 795 set_mode(scp); 796 clear_screen(scp); 797 return 0; 798 799 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 800 scp->status |= UNKNOWN_MODE; 801 return 0; 802 default: 803 return EINVAL; 804 } 805 /* NOT REACHED */ 806 807 case KDGETMODE: /* get current mode of this (virtual) console */ 808 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 809 return 0; 810 811 case KDSBORDER: /* set border color of this (virtual) console */ 812 if (!crtc_vga) 813 return ENXIO; 814 scp->border = *data; 815 if (scp == cur_console) 816 set_border(scp->border); 817 return 0; 818 819 case KDSKBSTATE: /* set keyboard state (locks) */ 820 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 821 scp->status &= ~LOCK_KEY_MASK; 822 scp->status |= *data; 823 if (scp == cur_console) 824 update_leds(scp->status); 825 return 0; 826 } 827 return EINVAL; 828 829 case KDGKBSTATE: /* get keyboard state (locks) */ 830 *data = scp->status & LOCK_KEY_MASK; 831 return 0; 832 833 case KDSETRAD: /* set keyboard repeat & delay rates */ 834 if (*data & 0x80) 835 return EINVAL; 836 i = spltty(); 837 kbd_cmd(KB_SETRAD); 838 kbd_cmd(*data); 839 splx(i); 840 return 0; 841 842 case KDSKBMODE: /* set keyboard mode */ 843 switch (*data) { 844 case K_RAW: /* switch to RAW scancode mode */ 845 scp->status |= KBD_RAW_MODE; 846 return 0; 847 848 case K_XLATE: /* switch to XLT ascii mode */ 849 if (scp == cur_console && scp->status == KBD_RAW_MODE) 850 shfts = ctls = alts = agrs = metas = 0; 851 scp->status &= ~KBD_RAW_MODE; 852 return 0; 853 default: 854 return EINVAL; 855 } 856 /* NOT REACHED */ 857 858 case KDGKBMODE: /* get keyboard mode */ 859 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 860 return 0; 861 862 case KDMKTONE: /* sound the bell */ 863 if (scp == cur_console) 864 sysbeep(scp->bell_pitch, scp->bell_duration); 865 return 0; 866 867 case KIOCSOUND: /* make tone (*data) hz */ 868 if (scp == cur_console) { 869 if (*(int*)data) { 870 int pitch = TIMER_FREQ/(*(int*)data); 871 /* set command for counter 2, 2 byte write */ 872 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) { 873 return EBUSY; 874 } 875 /* set pitch */ 876 outb(TIMER_CNTR2, pitch); 877 outb(TIMER_CNTR2, (pitch>>8)); 878 /* enable counter 2 output to speaker */ 879 outb(IO_PPI, inb(IO_PPI) | 3); 880 } 881 else { 882 /* disable counter 2 output to speaker */ 883 outb(IO_PPI, inb(IO_PPI) & 0xFC); 884 release_timer2(); 885 } 886 } 887 return 0; 888 889 case KDGKBTYPE: /* get keyboard type */ 890 *data = 0; /* type not known (yet) */ 891 return 0; 892 893 case KDSETLED: /* set keyboard LED status */ 894 if (*data >= 0 && *data <= LED_MASK) { 895 scp->status &= ~LED_MASK; 896 scp->status |= *data; 897 if (scp == cur_console) 898 update_leds(scp->status); 899 return 0; 900 } 901 return EINVAL; 902 903 case KDGETLED: /* get keyboard LED status */ 904 *data = scp->status & LED_MASK; 905 return 0; 906 907 case GETFKEY: /* get functionkey string */ 908 if (*(u_short*)data < n_fkey_tab) { 909 fkeyarg_t *ptr = (fkeyarg_t*)data; 910 bcopy(&fkey_tab[ptr->keynum].str, 911 ptr->keydef, 912 fkey_tab[ptr->keynum].len); 913 ptr->flen = fkey_tab[ptr->keynum].len; 914 return 0; 915 } 916 else 917 return EINVAL; 918 919 case SETFKEY: /* set functionkey string */ 920 if (*(u_short*)data < n_fkey_tab) { 921 fkeyarg_t *ptr = (fkeyarg_t*)data; 922 bcopy(ptr->keydef, 923 &fkey_tab[ptr->keynum].str, 924 min(ptr->flen, MAXFK)); 925 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 926 return 0; 927 } 928 else 929 return EINVAL; 930 931 case GIO_SCRNMAP: /* get output translation table */ 932 bcopy(&scr_map, data, sizeof(scr_map)); 933 return 0; 934 935 case PIO_SCRNMAP: /* set output translation table */ 936 bcopy(data, &scr_map, sizeof(scr_map)); 937 return 0; 938 939 case GIO_KEYMAP: /* get keyboard translation table */ 940 bcopy(&key_map, data, sizeof(key_map)); 941 return 0; 942 943 case PIO_KEYMAP: /* set keyboard translation table */ 944 bcopy(data, &key_map, sizeof(key_map)); 945 return 0; 946 947 case PIO_FONT8x8: /* set 8x8 dot font */ 948 if (!crtc_vga) 949 return ENXIO; 950 bcopy(data, font_8, 8*256); 951 fonts_loaded |= FONT_8_LOADED; 952 copy_font(LOAD, 1, 8, font_8); 953 return 0; 954 955 case GIO_FONT8x8: /* get 8x8 dot font */ 956 if (!crtc_vga) 957 return ENXIO; 958 if (fonts_loaded & FONT_8_LOADED) { 959 bcopy(font_8, data, 8*256); 960 return 0; 961 } 962 else 963 return ENXIO; 964 965 case PIO_FONT8x14: /* set 8x14 dot font */ 966 if (!crtc_vga) 967 return ENXIO; 968 bcopy(data, font_14, 14*256); 969 fonts_loaded |= FONT_14_LOADED; 970 copy_font(LOAD, 2, 14, font_14); 971 return 0; 972 973 case GIO_FONT8x14: /* get 8x14 dot font */ 974 if (!crtc_vga) 975 return ENXIO; 976 if (fonts_loaded & FONT_14_LOADED) { 977 bcopy(font_14, data, 14*256); 978 return 0; 979 } 980 else 981 return ENXIO; 982 983 case PIO_FONT8x16: /* set 8x16 dot font */ 984 if (!crtc_vga) 985 return ENXIO; 986 bcopy(data, font_16, 16*256); 987 fonts_loaded |= FONT_16_LOADED; 988 copy_font(LOAD, 0, 16, font_16); 989 return 0; 990 991 case GIO_FONT8x16: /* get 8x16 dot font */ 992 if (!crtc_vga) 993 return ENXIO; 994 if (fonts_loaded & FONT_16_LOADED) { 995 bcopy(font_16, data, 16*256); 996 return 0; 997 } 998 else 999 return ENXIO; 1000 1001 case CONSOLE_X_MODE_ON: /* just to be compatible */ 1002 if (saved_console < 0) { 1003 saved_console = get_scr_num(); 1004 switch_scr(minor(dev)); 1005 fp = (struct trapframe *)p->p_md.md_regs; 1006 fp->tf_eflags |= PSL_IOPL; 1007 scp->status |= UNKNOWN_MODE; 1008 scp->status |= KBD_RAW_MODE; 1009 return 0; 1010 } 1011 return EAGAIN; 1012 1013 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 1014 fp = (struct trapframe *)p->p_md.md_regs; 1015 fp->tf_eflags &= ~PSL_IOPL; 1016 if (crtc_vga) { 1017 if (fonts_loaded & FONT_16_LOADED) 1018 copy_font(LOAD, 0, 16, font_16); 1019 if (fonts_loaded & FONT_8_LOADED) 1020 copy_font(LOAD, 1, 8, font_8); 1021 if (fonts_loaded & FONT_14_LOADED) 1022 copy_font(LOAD, 2, 14, font_14); 1023 load_palette(); 1024 } 1025 scp->status &= ~UNKNOWN_MODE; 1026 set_mode(scp); 1027 clear_screen(scp); 1028 scp->status &= ~KBD_RAW_MODE; 1029 switch_scr(saved_console); 1030 saved_console = -1; 1031 return 0; 1032 1033 case CONSOLE_X_BELL: /* more compatibility */ 1034 /* 1035 * if set, data is a pointer to a length 2 array of 1036 * integers. data[0] is the pitch in Hz and data[1] 1037 * is the duration in msec. 1038 */ 1039 if (data) 1040 sysbeep(TIMER_FREQ/((int*)data)[0], 1041 ((int*)data)[1]*hz/1000); 1042 else 1043 sysbeep(scp->bell_pitch, scp->bell_duration); 1044 return 0; 1045 1046 default: 1047 break; 1048 } 1049 1050 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1051 if (error >= 0) 1052 return(error); 1053 error = ttioctl(tp, cmd, data, flag); 1054 if (error >= 0) 1055 return(error); 1056 return(ENOTTY); 1057} 1058 1059void 1060pcxint(dev_t dev) 1061{ 1062 struct tty *tp = get_tty_ptr(dev); 1063 1064 if (!tp) 1065 return; 1066 tp->t_state &= ~TS_BUSY; 1067 if (tp->t_line) 1068 (*linesw[tp->t_line].l_start)(tp); 1069 else 1070 pcstart(tp); 1071} 1072 1073void 1074pcstart(struct tty *tp) 1075{ 1076 struct clist *rbp; 1077 int i, s, len; 1078 u_char buf[PCBURST]; 1079 scr_stat *scp = get_scr_stat(tp->t_dev); 1080 1081 if (scp->status & SLKED) 1082 return; 1083 s = spltty(); 1084 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1085 tp->t_state |= TS_BUSY; 1086 splx(s); 1087 rbp = &tp->t_outq; 1088 while (rbp->c_cc) { 1089 len = q_to_b(rbp, buf, PCBURST); 1090 for (i=0; i<len; i++) 1091 if (buf[i]) ansi_put(scp, buf[i]); 1092 } 1093 s = spltty(); 1094 tp->t_state &= ~TS_BUSY; 1095#if 0 1096 if (rbp->c_cc) { 1097 tp->t_state |= TS_TIMEOUT; 1098 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1099 } 1100#endif 1101 if (rbp->c_cc <= tp->t_lowat) { 1102 if (tp->t_state & TS_ASLEEP) { 1103 tp->t_state &= ~TS_ASLEEP; 1104 wakeup((caddr_t)rbp); 1105 } 1106 selwakeup(&tp->t_wsel); 1107 } 1108 } 1109 splx(s); 1110} 1111 1112void 1113pccnprobe(struct consdev *cp) 1114{ 1115 int maj; 1116 1117 /* locate the major number */ 1118 for (maj = 0; maj < nchrdev; maj++) 1119 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1120 break; 1121 1122 /* initialize required fields */ 1123 cp->cn_dev = makedev(maj, NCONS); 1124 cp->cn_pri = CN_INTERNAL; 1125} 1126 1127void 1128pccninit(struct consdev *cp) 1129{ 1130 scinit(); 1131} 1132 1133void 1134pccnputc(dev_t dev, char c) 1135{ 1136 if (c == '\n') 1137 scput('\r'); 1138 scput(c); 1139 if (cur_console == &console[0]) { 1140 int pos = cur_console->crtat - cur_console->crt_base; 1141 if (pos != cur_cursor_pos) { 1142 cur_cursor_pos = pos; 1143 outb(crtc_addr,14); 1144 outb(crtc_addr+1,pos >> 8); 1145 outb(crtc_addr,15); 1146 outb(crtc_addr+1,pos&0xff); 1147 } 1148 } 1149} 1150 1151int 1152pccngetc(dev_t dev) 1153{ 1154 int s = spltty(); /* block scintr while we poll */ 1155 int c = scgetc(0); 1156 splx(s); 1157 if (c == '\r') c = '\n'; 1158 return(c); 1159} 1160 1161static void 1162none_saver(int test) 1163{ 1164} 1165 1166static void 1167fade_saver(int test) 1168{ 1169 static int count = 0; 1170 int i; 1171 1172 if (test) { 1173 scrn_blanked = 1; 1174 if (count < 64) { 1175 outb(PIXMASK, 0xFF); /* no pixelmask */ 1176 outb(PALWADR, 0x00); 1177 outb(PALDATA, 0); 1178 outb(PALDATA, 0); 1179 outb(PALDATA, 0); 1180 for (i = 3; i < 768; i++) { 1181 if (palette[i] - count > 15) 1182 outb(PALDATA, palette[i]-count); 1183 else 1184 outb(PALDATA, 15); 1185 } 1186 inb(crtc_addr+6); /* reset flip/flop */ 1187 outb(ATC, 0x20); /* enable palette */ 1188 count++; 1189 } 1190 } 1191 else { 1192 count = scrn_blanked = 0; 1193 load_palette(); 1194 } 1195} 1196 1197static void 1198blank_saver(int test) 1199{ 1200 u_char val; 1201 if (test) { 1202 scrn_blanked = 1; 1203 outb(TSIDX, 0x01); val = inb(TSREG); 1204 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1205 } 1206 else { 1207 scrn_blanked = 0; 1208 outb(TSIDX, 0x01); val = inb(TSREG); 1209 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1210 } 1211} 1212 1213static void 1214green_saver(int test) 1215{ 1216 u_char val; 1217 if (test) { 1218 scrn_blanked = 1; 1219 outb(TSIDX, 0x01); val = inb(TSREG); 1220 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1221 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1222 outb(crtc_addr + 1, val & ~0x80); 1223 } 1224 else { 1225 scrn_blanked = 0; 1226 outb(TSIDX, 0x01); val = inb(TSREG); 1227 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1228 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1229 outb(crtc_addr + 1, val | 0x80); 1230 } 1231} 1232 1233#define NUM_STARS 50 1234 1235/* 1236 * Alternate saver that got its inspiration from a well known utility 1237 * package for an inferior^H^H^H^H^H^Hfamous OS. 1238 */ 1239static void 1240star_saver(int test) 1241{ 1242 scr_stat *scp = cur_console; 1243 int cell, i; 1244 char pattern[] = {"...........++++*** "}; 1245 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1246 FG_WHITE, FG_LIGHTCYAN}; 1247 static u_short stars[NUM_STARS][2]; 1248 1249 if (test) { 1250 if (!scrn_blanked) { 1251 bcopy(Crtat, scp->scr_buf, 1252 scp->xsize * scp->ysize * 2); 1253 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1254 scp->xsize * scp->ysize); 1255 set_border(0); 1256 i = scp->ysize * scp->xsize + 5; 1257 outb(crtc_addr, 14); 1258 outb(crtc_addr+1, i >> 8); 1259 outb(crtc_addr, 15); 1260 outb(crtc_addr+1, i & 0xff); 1261 scrn_blanked = 1; 1262 for(i=0; i<NUM_STARS; i++) { 1263 stars[i][0] = 1264 random() % (scp->xsize*scp->ysize); 1265 stars[i][1] = 0; 1266 } 1267 } 1268 cell = random() % NUM_STARS; 1269 *((u_short*)(Crtat + stars[cell][0])) = 1270 scr_map[pattern[stars[cell][1]]] | 1271 colors[random()%sizeof(colors)] << 8; 1272 if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) { 1273 stars[cell][0] = random() % (scp->xsize*scp->ysize); 1274 stars[cell][1] = 0; 1275 } 1276 } 1277 else { 1278 if (scrn_blanked) { 1279 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1280 cur_cursor_pos = -1; 1281 set_border(scp->border); 1282 scrn_blanked = 0; 1283 } 1284 } 1285} 1286 1287static void 1288snake_saver(int test) 1289{ 1290 const char saves[] = {"FreeBSD-2.0"}; 1291 static u_char *savs[sizeof(saves)-1]; 1292 static int dirx, diry; 1293 int f; 1294 scr_stat *scp = cur_console; 1295 1296 if (test) { 1297 if (!scrn_blanked) { 1298 bcopy(Crtat, scp->scr_buf, 1299 scp->xsize * scp->ysize * 2); 1300 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1301 Crtat, scp->xsize * scp->ysize); 1302 set_border(0); 1303 dirx = (scp->xpos ? 1 : -1); 1304 diry = (scp->ypos ? 1305 scp->xsize : -scp->xsize); 1306 for (f=0; f< sizeof(saves)-1; f++) 1307 savs[f] = (u_char *)Crtat + 2 * 1308 (scp->xpos+scp->ypos*scp->xsize); 1309 *(savs[0]) = scr_map[*saves]; 1310 f = scp->ysize * scp->xsize + 5; 1311 outb(crtc_addr, 14); 1312 outb(crtc_addr+1, f >> 8); 1313 outb(crtc_addr, 15); 1314 outb(crtc_addr+1, f & 0xff); 1315 scrn_blanked = 1; 1316 } 1317 if (scrn_blanked++ < 4) 1318 return; 1319 scrn_blanked = 1; 1320 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1321 for (f=sizeof(saves)-2; f > 0; f--) 1322 savs[f] = savs[f-1]; 1323 f = (savs[0] - (u_char *)Crtat) / 2; 1324 if ((f % scp->xsize) == 0 || 1325 (f % scp->xsize) == scp->xsize - 1 || 1326 (random() % 50) == 0) 1327 dirx = -dirx; 1328 if ((f / scp->xsize) == 0 || 1329 (f / scp->xsize) == scp->ysize - 1 || 1330 (random() % 20) == 0) 1331 diry = -diry; 1332 savs[0] += 2*dirx + 2*diry; 1333 for (f=sizeof(saves)-2; f>=0; f--) 1334 *(savs[f]) = scr_map[saves[f]]; 1335 } 1336 else { 1337 if (scrn_blanked) { 1338 bcopy(scp->scr_buf, Crtat, 1339 scp->xsize * scp->ysize * 2); 1340 cur_cursor_pos = -1; 1341 set_border(scp->border); 1342 scrn_blanked = 0; 1343 } 1344 } 1345} 1346 1347static void 1348cursor_shape(int start, int end) 1349{ 1350 outb(crtc_addr, 10); 1351 outb(crtc_addr+1, start & 0xFF); 1352 outb(crtc_addr, 11); 1353 outb(crtc_addr+1, end & 0xFF); 1354} 1355 1356#if !defined(FAT_CURSOR) 1357static void 1358get_cursor_shape(int *start, int *end) 1359{ 1360 outb(crtc_addr, 10); 1361 *start = inb(crtc_addr+1) & 0x1F; 1362 outb(crtc_addr, 11); 1363 *end = inb(crtc_addr+1) & 0x1F; 1364} 1365#endif 1366 1367static void 1368cursor_pos(int force) 1369{ 1370 int pos; 1371 1372 if (cur_console->status & UNKNOWN_MODE) 1373 return; 1374 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1375 SCRN_SAVER(1); 1376 pos = cur_console->crtat - cur_console->crt_base; 1377 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1378 cur_cursor_pos = pos; 1379 outb(crtc_addr, 14); 1380 outb(crtc_addr+1, pos>>8); 1381 outb(crtc_addr, 15); 1382 outb(crtc_addr+1, pos&0xff); 1383 } 1384 timeout((timeout_t)cursor_pos, 0, hz/20); 1385} 1386 1387static void 1388clear_screen(scr_stat *scp) 1389{ 1390 move_crsr(scp, 0, 0); 1391 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1392 scp->xsize * scp->ysize); 1393} 1394 1395static int 1396switch_scr(u_int next_scr) 1397{ 1398 if (switch_in_progress && 1399 (cur_console->proc != pfind(cur_console->pid))) 1400 switch_in_progress = 0; 1401 1402 if (next_scr >= NCONS || switch_in_progress 1403 || (cur_console->smode.mode == VT_AUTO 1404 && cur_console->status & UNKNOWN_MODE)) { 1405 sysbeep(BELL_PITCH, BELL_DURATION); 1406 return EINVAL; 1407 } 1408 1409 /* is the wanted virtual console open ? */ 1410 if (next_scr) { 1411 struct tty *tp = VIRTUAL_TTY(next_scr); 1412 if (!(tp->t_state & TS_ISOPEN)) { 1413 sysbeep(BELL_PITCH, BELL_DURATION); 1414 return EINVAL; 1415 } 1416 } 1417 if (in_putc) { /* delay switch if in putc */ 1418 delayed_next_scr = next_scr+1; 1419 return 0; 1420 } 1421 switch_in_progress = 1; 1422 old_scp = cur_console; 1423 new_scp = &console[next_scr]; 1424 wakeup((caddr_t)&new_scp->smode); 1425 if (new_scp == old_scp) { 1426 switch_in_progress = 0; 1427 return 0; 1428 } 1429 1430 /* has controlling process died? */ 1431 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1432 old_scp->smode.mode = VT_AUTO; 1433 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1434 new_scp->smode.mode = VT_AUTO; 1435 1436 /* check the modes and switch approbiatly */ 1437 if (old_scp->smode.mode == VT_PROCESS) { 1438 old_scp->status |= SWITCH_WAIT_REL; 1439 psignal(old_scp->proc, old_scp->smode.relsig); 1440 } 1441 else { 1442 exchange_scr(); 1443 if (new_scp->smode.mode == VT_PROCESS) { 1444 new_scp->status |= SWITCH_WAIT_ACQ; 1445 psignal(new_scp->proc, new_scp->smode.acqsig); 1446 } 1447 else 1448 switch_in_progress = 0; 1449 } 1450 return 0; 1451} 1452 1453static void 1454exchange_scr(void) 1455{ 1456 struct tty *tp; 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) 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 } else { 2040 *cp = was; 2041 crtc_addr = COLOR_BASE; 2042 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2043 } 2044 2045 /* Extract cursor location */ 2046 outb(crtc_addr,14); 2047 cursorat = inb(crtc_addr+1)<<8 ; 2048 outb(crtc_addr,15); 2049 cursorat |= inb(crtc_addr+1); 2050 crtat = Crtat + cursorat; 2051 2052 /* is this a VGA or higher ? */ 2053 outb(crtc_addr, 7); 2054 if (inb(crtc_addr) == 7) { 2055 crtc_vga = 1; 2056#if defined(FAT_CURSOR) 2057 start = 0; 2058 end = 18; 2059#else 2060 get_cursor_shape(&start, &end); 2061#endif 2062 } 2063 current_default = &user_default; 2064 for (i = 0; i < NCONS; i++) { 2065 scp = &console[i]; 2066 scp->mode = M_VGA_C80x25; 2067 scp->term.esc = 0; 2068 scp->term.std_attr = current_default->std_attr; 2069 scp->term.rev_attr = current_default->rev_attr; 2070 scp->term.cur_attr = scp->term.std_attr; 2071 scp->border = BG_BLACK; 2072 scp->cursor_start = start; 2073 scp->cursor_end = end; 2074 scp->xsize = COL; 2075 scp->ysize = ROW; 2076 scp->bell_pitch = BELL_PITCH; 2077 scp->bell_duration = BELL_DURATION; 2078 scp->status = NLKED; 2079 scp->pid = 0; 2080 scp->proc = NULL; 2081 scp->smode.mode = VT_AUTO; 2082 if (i == 0) { 2083 scp->xpos = cursorat % COL; 2084 scp->ypos = cursorat / COL; 2085 scp->crt_base = Crtat; 2086 scp->crtat = crtat; 2087 } 2088 } 2089 kernel_console.esc = 0; 2090 kernel_console.std_attr = kernel_default.std_attr; 2091 kernel_console.rev_attr = kernel_default.rev_attr; 2092 kernel_console.cur_attr = kernel_default.std_attr; 2093 /* initialize mapscrn array to a one to one map */ 2094 for (i=0; i<sizeof(scr_map); i++) 2095 scr_map[i] = i; 2096} 2097 2098static void 2099scput(u_char c) 2100{ 2101 scr_stat *scp = &console[0]; 2102 term_stat save; 2103 2104 if (crtat == 0) 2105 scinit(); 2106 if( in_putc == 0) { 2107 ++in_putc; 2108 save = scp->term; 2109 scp->term = kernel_console; 2110 current_default = &kernel_default; 2111 ansi_put(scp, c); 2112 kernel_console = scp->term; 2113 current_default = &user_default; 2114 scp->term = save; 2115 --in_putc; 2116 } else { 2117 if( console_buffer_count < CONSOLE_BUFSIZE) 2118 console_buffer[console_buffer_count++] = c; 2119 } 2120} 2121 2122static u_char 2123*get_fstr(u_int c, u_int *len) 2124{ 2125 u_int i; 2126 2127 if (!(c & FKEY)) 2128 return(NULL); 2129 i = (c & 0xFF) - F_FN; 2130 if (i > n_fkey_tab) 2131 return(NULL); 2132 *len = fkey_tab[i].len; 2133 return(fkey_tab[i].str); 2134} 2135 2136static void 2137update_leds(int which) 2138{ 2139 int s; 2140 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2141 2142 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2143 if (key_map.n_keys > ALTGR_OFFSET) { 2144 if (which & ALKED) 2145 which |= CLKED; 2146 else 2147 which &= ~CLKED; 2148 } 2149 s = spltty(); 2150 kbd_cmd(KB_SETLEDS); 2151 kbd_cmd(xlate_leds[which & LED_MASK]); 2152 splx(s); 2153} 2154 2155/* 2156 * scgetc(noblock) - get character from keyboard. 2157 * If noblock = 0 wait until a key is pressed. 2158 * Else return NOKEY. 2159 */ 2160u_int 2161scgetc(int noblock) 2162{ 2163 u_char scancode, keycode; 2164 u_int state, action; 2165 struct key_t *key; 2166 static u_char esc_flag = 0, compose = 0; 2167 static u_int chr = 0; 2168 2169next_code: 2170 kbd_wait(); 2171 /* First see if there is something in the keyboard port */ 2172 if (inb(KB_STAT) & KB_BUF_FULL) 2173 scancode = inb(KB_DATA); 2174 else if (noblock) 2175 return(NOKEY); 2176 else 2177 goto next_code; 2178 2179 if (cur_console->status & KBD_RAW_MODE) 2180 return scancode; 2181#if ASYNCH 2182 if (scancode == KB_ACK || scancode == KB_RESEND) { 2183 kbd_reply = scancode; 2184 if (noblock) 2185 return(NOKEY); 2186 goto next_code; 2187 } 2188#endif 2189 keycode = scancode & 0x7F; 2190 switch (esc_flag) { 2191 case 0x00: /* normal scancode */ 2192 switch(scancode) { 2193 case 0xB8: /* left alt (compose key) */ 2194 if (compose) { 2195 compose = 0; 2196 if (chr > 255) { 2197 sysbeep(BELL_PITCH, BELL_DURATION); 2198 chr = 0; 2199 } 2200 } 2201 break; 2202 case 0x38: 2203 if (!compose) { 2204 compose = 1; 2205 chr = 0; 2206 } 2207 break; 2208 case 0xE0: 2209 case 0xE1: 2210 esc_flag = scancode; 2211 goto next_code; 2212 } 2213 break; 2214 case 0xE0: /* 0xE0 prefix */ 2215 esc_flag = 0; 2216 switch (keycode) { 2217 case 0x1C: /* right enter key */ 2218 keycode = 0x59; 2219 break; 2220 case 0x1D: /* right ctrl key */ 2221 keycode = 0x5A; 2222 break; 2223 case 0x35: /* keypad divide key */ 2224 keycode = 0x5B; 2225 break; 2226 case 0x37: /* print scrn key */ 2227 keycode = 0x5C; 2228 break; 2229 case 0x38: /* right alt key (alt gr) */ 2230 keycode = 0x5D; 2231 break; 2232 case 0x47: /* grey home key */ 2233 keycode = 0x5E; 2234 break; 2235 case 0x48: /* grey up arrow key */ 2236 keycode = 0x5F; 2237 break; 2238 case 0x49: /* grey page up key */ 2239 keycode = 0x60; 2240 break; 2241 case 0x4B: /* grey left arrow key */ 2242 keycode = 0x61; 2243 break; 2244 case 0x4D: /* grey right arrow key */ 2245 keycode = 0x62; 2246 break; 2247 case 0x4F: /* grey end key */ 2248 keycode = 0x63; 2249 break; 2250 case 0x50: /* grey down arrow key */ 2251 keycode = 0x64; 2252 break; 2253 case 0x51: /* grey page down key */ 2254 keycode = 0x65; 2255 break; 2256 case 0x52: /* grey insert key */ 2257 keycode = 0x66; 2258 break; 2259 case 0x53: /* grey delete key */ 2260 keycode = 0x67; 2261 break; 2262 default: /* ignore everything else */ 2263 goto next_code; 2264 } 2265 break; 2266 case 0xE1: /* 0xE1 prefix */ 2267 esc_flag = 0; 2268 if (keycode == 0x1D) 2269 esc_flag = 0x1D; 2270 goto next_code; 2271 /* NOT REACHED */ 2272 case 0x1D: /* pause / break */ 2273 esc_flag = 0; 2274 if (keycode != 0x45) 2275 goto next_code; 2276 keycode = 0x68; 2277 break; 2278 } 2279 2280 if (compose) { 2281 switch (scancode) { 2282 /* key pressed process it */ 2283 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2284 chr = (scancode - 0x40) + chr*10; 2285 goto next_code; 2286 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2287 chr = (scancode - 0x47) + chr*10; 2288 goto next_code; 2289 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2290 chr = (scancode - 0x4E) + chr*10; 2291 goto next_code; 2292 case 0x52: /* keypad 0 */ 2293 chr *= 10; 2294 goto next_code; 2295 2296 /* key release, no interest here */ 2297 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2298 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2299 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2300 case 0xD2: /* keypad 0 */ 2301 goto next_code; 2302 2303 case 0x38: /* left alt key */ 2304 break; 2305 default: 2306 if (chr) { 2307 compose = chr = 0; 2308 sysbeep(BELL_PITCH, BELL_DURATION); 2309 goto next_code; 2310 } 2311 break; 2312 } 2313 } 2314 2315 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2316 if ((!agrs && (cur_console->status & ALKED)) 2317 || (agrs && !(cur_console->status & ALKED))) 2318 keycode += ALTGR_OFFSET; 2319 key = &key_map.key[keycode]; 2320 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2321 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2322 state ^= 1; 2323 2324 /* Check for make/break */ 2325 action = key->map[state]; 2326 if (scancode & 0x80) { /* key released */ 2327 if (key->spcl & 0x80) { 2328 switch (action) { 2329 case LSH: 2330 shfts &= ~1; 2331 break; 2332 case RSH: 2333 shfts &= ~2; 2334 break; 2335 case LCTR: 2336 ctls &= ~1; 2337 break; 2338 case RCTR: 2339 ctls &= ~2; 2340 break; 2341 case LALT: 2342 alts &= ~1; 2343 break; 2344 case RALT: 2345 alts &= ~2; 2346 break; 2347 case NLK: 2348 nlkcnt = 0; 2349 break; 2350 case CLK: 2351 clkcnt = 0; 2352 break; 2353 case SLK: 2354 slkcnt = 0; 2355 break; 2356 case ASH: 2357 agrs = 0; 2358 break; 2359 case ALK: 2360 alkcnt = 0; 2361 break; 2362 case META: 2363 metas = 0; 2364 break; 2365 } 2366 } 2367 if (chr && !compose) { 2368 action = chr; 2369 chr = 0; 2370 return(action); 2371 } 2372 } else { 2373 /* key pressed */ 2374 if (key->spcl & (0x80>>state)) { 2375 switch (action) { 2376 /* LOCKING KEYS */ 2377 case NLK: 2378 if (!nlkcnt) { 2379 nlkcnt++; 2380 if (cur_console->status & NLKED) 2381 cur_console->status &= ~NLKED; 2382 else 2383 cur_console->status |= NLKED; 2384 update_leds(cur_console->status); 2385 } 2386 break; 2387 case CLK: 2388 if (!clkcnt) { 2389 clkcnt++; 2390 if (cur_console->status & CLKED) 2391 cur_console->status &= ~CLKED; 2392 else 2393 cur_console->status |= CLKED; 2394 update_leds(cur_console->status); 2395 } 2396 break; 2397 case SLK: 2398 if (!slkcnt) { 2399 slkcnt++; 2400 if (cur_console->status & SLKED) { 2401 cur_console->status &= ~SLKED; 2402 pcstart(VIRTUAL_TTY(get_scr_num())); 2403 } 2404 else 2405 cur_console->status |= SLKED; 2406 update_leds(cur_console->status); 2407 } 2408 break; 2409 case ALK: 2410 if (!alkcnt) { 2411 alkcnt++; 2412 if (cur_console->status & ALKED) 2413 cur_console->status &= ~ALKED; 2414 else 2415 cur_console->status |= ALKED; 2416 update_leds(cur_console->status); 2417 } 2418 break; 2419 2420 /* NON-LOCKING KEYS */ 2421 case NOP: 2422 break; 2423 case RBT: 2424 shutdown_nice(); 2425 break; 2426 case DBG: 2427#ifdef DDB /* try to switch to console 0 */ 2428 if (cur_console->smode.mode == VT_AUTO && 2429 console[0].smode.mode == VT_AUTO) 2430 switch_scr(0); 2431 Debugger("manual escape to debugger"); 2432 return(NOKEY); 2433#else 2434 printf("No debugger in kernel\n"); 2435#endif 2436 break; 2437 case LSH: 2438 shfts |= 1; 2439 break; 2440 case RSH: 2441 shfts |= 2; 2442 break; 2443 case LCTR: 2444 ctls |= 1; 2445 break; 2446 case RCTR: 2447 ctls |= 2; 2448 break; 2449 case LALT: 2450 alts |= 1; 2451 break; 2452 case RALT: 2453 alts |= 2; 2454 break; 2455 case ASH: 2456 agrs = 1; 2457 break; 2458 case META: 2459 metas = 1; 2460 break; 2461 case NEXT: 2462 switch_scr((get_scr_num()+1)%NCONS); 2463 break; 2464 default: 2465 if (action >= F_SCR && action <= L_SCR) { 2466 switch_scr(action - F_SCR); 2467 break; 2468 } 2469 if (action >= F_FN && action <= L_FN) 2470 action |= FKEY; 2471 return(action); 2472 } 2473 } 2474 else { 2475 if (metas) 2476 action |= MKEY; 2477 return(action); 2478 } 2479 } 2480 goto next_code; 2481} 2482 2483int 2484getchar(void) 2485{ 2486 u_char thechar; 2487 int s; 2488 2489 polling = 1; 2490 s = splhigh(); 2491 scput('>'); 2492 thechar = (u_char) scgetc(0); 2493 polling = 0; 2494 splx(s); 2495 switch (thechar) { 2496 default: 2497 if (thechar >= scr_map[0x20]) 2498 scput(thechar); 2499 return(thechar); 2500 case cr: 2501 case lf: 2502 scput(cr); scput(lf); 2503 return(lf); 2504 case bs: 2505 case del: 2506 scput(bs); scput(scr_map[0x20]); scput(bs); 2507 return(thechar); 2508 case cntld: 2509 scput('^'); scput('D'); scput('\r'); scput('\n'); 2510 return(0); 2511 } 2512} 2513 2514u_int 2515sgetc(int noblock) 2516{ 2517 return (scgetc(noblock) & 0xff); 2518} 2519 2520int 2521pcmmap(dev_t dev, int offset, int nprot) 2522{ 2523 if (offset > 0x20000) 2524 return EINVAL; 2525 return i386_btop((VIDEOMEM + offset)); 2526} 2527 2528static void 2529kbd_wait(void) 2530{ 2531 int i = 1000; 2532 2533 while (i--) { 2534 if ((inb(KB_STAT) & KB_READY) == 0) 2535 break; 2536 DELAY (10); 2537 } 2538} 2539 2540static void 2541kbd_cmd(u_char command) 2542{ 2543 int retry = 5; 2544 do { 2545 int i = 100000; 2546 2547 kbd_wait(); 2548#if ASYNCH 2549 kbd_reply = 0; 2550 outb(KB_DATA, command); 2551 while (i--) { 2552 if (kbd_reply == KB_ACK) 2553 return; 2554 if (kbd_reply == KB_RESEND) 2555 break; 2556 } 2557#else 2558 outb(KB_DATA, command); 2559 while (i--) { 2560 if (inb(KB_STAT) & KB_BUF_FULL) { 2561 int val; 2562 DELAY(10); 2563 val = inb(KB_DATA); 2564 if (val == KB_ACK) 2565 return; 2566 if (val == KB_RESEND) 2567 break; 2568 } 2569 } 2570#endif 2571 } while (retry--); 2572} 2573 2574static void 2575set_mode(scr_stat *scp) 2576{ 2577 char *modetable; 2578 char special_modetable[64]; 2579 int mode, font_size; 2580 2581 if (scp != cur_console) 2582 return; 2583 2584 /* mode change only on VGA's */ 2585 if (!crtc_vga) { 2586 /* (re)activate cursor */ 2587 untimeout((timeout_t)cursor_pos, 0); 2588 cursor_pos(1); 2589 return; 2590 } 2591 2592 /* setup video hardware for the given mode */ 2593 switch (scp->mode) { 2594 case M_VGA_C80x50: 2595 bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 2596 special_modetable[2] = 8; 2597 special_modetable[19] = 7; 2598 modetable = special_modetable; 2599 goto setup_mode; 2600 2601 case M_VGA_M80x50: 2602 bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 2603 special_modetable[2] = 8; 2604 special_modetable[19] = 7; 2605 modetable = special_modetable; 2606 goto setup_mode; 2607 2608 case M_ENH_B80x43: 2609 bcopy(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 2610 special_modetable[2] = 8; 2611 special_modetable[19] = 7; 2612 special_modetable[28] = 87; 2613 modetable = special_modetable; 2614 goto setup_mode; 2615 2616 case M_ENH_C80x43: 2617 bcopy(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 2618 special_modetable[2] = 8; 2619 special_modetable[19] = 7; 2620 special_modetable[28] = 87; 2621 modetable = special_modetable; 2622 goto setup_mode; 2623 2624 case M_VGA_C40x25: case M_VGA_C80x25: /* VGA TEXT MODES */ 2625 case M_VGA_M80x25: 2626 case M_B40x25: case M_C40x25: 2627 case M_B80x25: case M_C80x25: 2628 case M_ENH_B40x25: case M_ENH_C40x25: 2629 case M_ENH_B80x25: case M_ENH_C80x25: 2630 2631 modetable = (char*)(video_mode_ptr + (scp->mode * 64)); 2632setup_mode: 2633 set_vgaregs(modetable); 2634 font_size = *(modetable + 2); 2635 /* change cursor type if set */ 2636 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2637 cursor_shape( 2638 (scp->cursor_start >= font_size) 2639 ? font_size - 1 2640 : scp->cursor_start, 2641 (scp->cursor_end >= font_size) 2642 ? font_size - 1 2643 : scp->cursor_end); 2644 2645 /* set font type (size) */ 2646 switch (font_size) { 2647 case 0x08: 2648 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2649 break; 2650 case 0x0E: 2651 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2652 break; 2653 case 0x10: 2654 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2655 break; 2656 default: 2657 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2658 } 2659 2660 /* (re)activate cursor */ 2661 untimeout((timeout_t)cursor_pos, 0); 2662 cursor_pos(1); 2663 break; 2664 2665 case M_BG320: case M_CG320: case M_BG640: 2666 case M_CG320_D: case M_CG640_E: 2667 case M_CG640x350: case M_ENH_CG640: 2668 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2669 2670 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2671 break; 2672 2673 default: 2674 /* call user defined function XXX */ 2675 break; 2676 } 2677 2678 /* set border color for this (virtual) console */ 2679 set_border(scp->border); 2680 return; 2681} 2682 2683static void 2684set_border(int color) 2685{ 2686 inb(crtc_addr+6); /* reset flip-flop */ 2687 outb(ATC, 0x11); outb(ATC, color); 2688 inb(crtc_addr+6); /* reset flip-flop */ 2689 outb(ATC, 0x20); /* enable Palette */ 2690} 2691 2692static void 2693set_vgaregs(char *modetable) 2694{ 2695 int i, s = splhigh(); 2696 2697 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2698 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2699 for (i=0; i<4; i++) { /* program sequencer */ 2700 outb(TSIDX, i+1); 2701 outb(TSREG, modetable[i+5]); 2702 } 2703 outb(MISC, modetable[9]); /* set dot-clock */ 2704 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2705 outb(crtc_addr, 0x11); 2706 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2707 for (i=0; i<25; i++) { /* program crtc */ 2708 outb(crtc_addr, i); 2709 outb(crtc_addr+1, modetable[i+10]); 2710 } 2711 inb(crtc_addr+6); /* reset flip-flop */ 2712 for (i=0; i<20; i++) { /* program attribute ctrl */ 2713 outb(ATC, i); 2714 outb(ATC, modetable[i+35]); 2715 } 2716 for (i=0; i<9; i++) { /* program graph data ctrl */ 2717 outb(GDCIDX, i); 2718 outb(GDCREG, modetable[i+55]); 2719 } 2720 inb(crtc_addr+6); /* reset flip-flop */ 2721 outb(ATC ,0x20); /* enable palette */ 2722 splx(s); 2723} 2724 2725static void 2726copy_font(int direction, int segment, int size, char* font) 2727{ 2728 int ch, line, s; 2729 u_char val; 2730 2731 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2732 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2733 2734 /* setup vga for loading fonts (graphics plane mode) */ 2735 inb(crtc_addr+6); /* reset flip/flop */ 2736 outb(ATC, 0x30); outb(ATC, 0x01); 2737 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2738 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2739 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2740 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2741 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2742 for (ch=0; ch < 256; ch++) 2743 for (line=0; line < size; line++) 2744 if (direction) 2745 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2746 font[(ch*size)+line]; 2747 else 2748 font[(ch*size)+line] = 2749 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line); 2750 /* setup vga for text mode again */ 2751 s = splhigh(); 2752 inb(crtc_addr+6); /* reset flip/flop */ 2753 outb(ATC, 0x30); outb(ATC, 0x0C); 2754 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2755 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2756 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2757 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2758 if (crtc_addr == MONO_BASE) { 2759 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2760 } 2761 else { 2762 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2763 } 2764 splx(s); 2765 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2766 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2767} 2768 2769static void 2770load_palette(void) 2771{ 2772 int i; 2773 2774 outb(PIXMASK, 0xFF); /* no pixelmask */ 2775 outb(PALWADR, 0x00); 2776 for (i=0x00; i<0x300; i++) 2777 outb(PALDATA, palette[i]); 2778 inb(crtc_addr+6); /* reset flip/flop */ 2779 outb(ATC, 0x20); /* enable palette */ 2780} 2781 2782static void 2783save_palette(void) 2784{ 2785 int i; 2786 2787 outb(PALRADR, 0x00); 2788 for (i=0x00; i<0x300; i++) 2789 palette[i] = inb(PALDATA); 2790 inb(crtc_addr+6); /* reset flip/flop */ 2791} 2792 2793#endif /* NSC */ 2794