syscons.c revision 3671
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 1.67 1994/10/17 21:16:41 phk 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", 1 290}; 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 GIO_ATTR: /* get current attributes */ 563 *(int*)data = scp->term.cur_attr; 564 return 0; 565 566 case GIO_COLOR: /* is this a color console ? */ 567 if (crtc_addr == COLOR_BASE) 568 *(int*)data = 1; 569 else 570 *(int*)data = 0; 571 return 0; 572 573 case CONS_CURRENT: /* get current adapter type */ 574 if (crtc_vga) 575 *(int*)data = KD_VGA; 576 else 577 if (crtc_addr == MONO_BASE) 578 *(int*)data = KD_MONO; 579 else 580 *(int*)data = KD_CGA; 581 return 0; 582 583 case CONS_GET: /* get current video mode */ 584 *(int*)data = scp->mode; 585 return 0; 586 587 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 588 scrn_blank_time = *(int*)data; 589 return 0; 590 591#define SAVER(p) ((ssaver_t *)(p)) 592 case CONS_SSAVER: /* set screen saver */ 593 if (SAVER(data)->num < 0 594 || SAVER(data)->num >= NUM_SCRN_SAVERS) 595 return EIO; 596 SCRN_SAVER(0); 597 scrn_saver = SAVER(data)->num; 598 scrn_blank_time = SAVER(data)->time; 599 return 0; 600 601 case CONS_GSAVER: /* get screen saver info */ 602 if (SAVER(data)->num < 0) 603 SAVER(data)->num = scrn_saver; 604 else if (SAVER(data)->num >= NUM_SCRN_SAVERS) 605 return EIO; 606 SAVER(data)->time = scrn_blank_time; 607 strcpy(SAVER(data)->name, screen_savers[SAVER(data)->num].name); 608 return 0; 609 610 case CONS_GETINFO: /* get current (virtual) console info */ 611 { 612 vid_info_t *ptr = (vid_info_t*)data; 613 if (ptr->size == sizeof(struct vid_info)) { 614 ptr->m_num = get_scr_num(); 615 ptr->mv_col = scp->xpos; 616 ptr->mv_row = scp->ypos; 617 ptr->mv_csz = scp->xsize; 618 ptr->mv_rsz = scp->ysize; 619 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 620 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 621 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 622 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 623 ptr->mv_grfc.fore = 0; /* not supported */ 624 ptr->mv_grfc.back = 0; /* not supported */ 625 ptr->mv_ovscan = scp->border; 626 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 627 return 0; 628 } 629 return EINVAL; 630 } 631 632 case CONS_GETVERS: /* get version number */ 633 *(int*)data = 0x103; /* version 1.3 */ 634 return 0; 635 636 case SW_VGA_C40x25: case SW_VGA_C80x25: /* VGA TEXT MODES */ 637 case SW_VGA_M80x25: 638 case SW_VGA_C80x50: case SW_VGA_M80x50: 639 case SW_B40x25: case SW_C40x25: 640 case SW_B80x25: case SW_C80x25: 641 case SW_ENH_B40x25: case SW_ENH_C40x25: 642 case SW_ENH_B80x25: case SW_ENH_C80x25: 643 case SW_ENH_B80x43: case SW_ENH_C80x43: 644 645 if (!crtc_vga) 646 return ENXIO; 647 cmd &= 0xFF; 648 i = cmd < M_VGA_C80x50 ? 649 *(video_mode_ptr + (cmd*64) + 2) : 0x08; 650 switch (i) { 651 default: 652 case 0x08: 653 if (!(fonts_loaded & FONT_8_LOADED)) 654 return EINVAL; 655 break; 656 case 0x0E: 657 if (!(fonts_loaded & FONT_14_LOADED)) 658 return EINVAL; 659 break; 660 case 0x10: 661 if (!(fonts_loaded & FONT_16_LOADED)) 662 return EINVAL; 663 break; 664 } 665 scp->mode = cmd; 666 scp->status &= ~UNKNOWN_MODE; /* text mode */ 667 if (scp->mode < M_VGA_C80x50) { 668 scp->xsize = *(video_mode_ptr + (scp->mode*64)); 669 scp->ysize = *(video_mode_ptr + (scp->mode*64) + 1) + 1; 670 } 671 else switch (scp->mode) { 672 case M_VGA_C80x50: case M_VGA_M80x50: 673 scp->xsize = 80; 674 scp->ysize = 50; 675 break; 676 case M_ENH_B80x43: case M_ENH_C80x43: 677 scp->xsize = 80; 678 scp->ysize = 43; 679 break; 680 } 681 free(scp->scr_buf, M_DEVBUF); 682 scp->scr_buf = (u_short *)malloc(scp->xsize * scp->ysize * 2, 683 M_DEVBUF, M_NOWAIT); 684 if (scp == cur_console) 685 set_mode(scp); 686 else 687 scp->crt_base = scp->scr_buf; 688 clear_screen(scp); 689 if (tp->t_winsize.ws_col != scp->xsize 690 || tp->t_winsize.ws_row != scp->ysize) { 691 tp->t_winsize.ws_col = scp->xsize; 692 tp->t_winsize.ws_row = scp->ysize; 693 pgsignal(tp->t_pgrp, SIGWINCH, 1); 694 } 695 return 0; 696 697 /* GRAPHICS MODES */ 698 case SW_BG320: case SW_CG320: case SW_BG640: 699 case SW_CG320_D: case SW_CG640_E: 700 case SW_CG640x350: case SW_ENH_CG640: 701 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 702 703 scp->mode = cmd & 0xFF; 704 scp->status |= UNKNOWN_MODE; /* graphics mode */ 705 if (scp == cur_console) 706 set_mode(scp); 707 /* clear_graphics();*/ 708 return 0; 709 710 case VT_SETMODE: /* set screen switcher mode */ 711 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 712 if (scp->smode.mode == VT_PROCESS) { 713 scp->proc = p; 714 scp->pid = scp->proc->p_pid; 715 } 716 return 0; 717 718 case VT_GETMODE: /* get screen switcher mode */ 719 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 720 return 0; 721 722 case VT_RELDISP: /* screen switcher ioctl */ 723 switch(*data) { 724 case VT_FALSE: /* user refuses to release screen, abort */ 725 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 726 old_scp->status &= ~SWITCH_WAIT_REL; 727 switch_in_progress = 0; 728 return 0; 729 } 730 return EINVAL; 731 732 case VT_TRUE: /* user has released screen, go on */ 733 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 734 scp->status &= ~SWITCH_WAIT_REL; 735 exchange_scr(); 736 if (new_scp->smode.mode == VT_PROCESS) { 737 new_scp->status |= SWITCH_WAIT_ACQ; 738 psignal(new_scp->proc, 739 new_scp->smode.acqsig); 740 } 741 else 742 switch_in_progress = 0; 743 return 0; 744 } 745 return EINVAL; 746 747 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 748 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 749 scp->status &= ~SWITCH_WAIT_ACQ; 750 switch_in_progress = 0; 751 return 0; 752 } 753 return EINVAL; 754 755 default: 756 return EINVAL; 757 } 758 /* NOT REACHED */ 759 760 case VT_OPENQRY: /* return free virtual console */ 761 for (i = 0; i < NCONS; i++) { 762 tp = VIRTUAL_TTY(i); 763 if (!(tp->t_state & TS_ISOPEN)) { 764 *data = i + 1; 765 return 0; 766 } 767 } 768 return EINVAL; 769 770 case VT_ACTIVATE: /* switch to screen *data */ 771 return switch_scr((*data) - 1); 772 773 case VT_WAITACTIVE: /* wait for switch to occur */ 774 if (*data > NCONS) 775 return EINVAL; 776 if (minor(dev) == (*data) - 1) 777 return 0; 778 if (*data == 0) { 779 if (scp == cur_console) 780 return 0; 781 while ((error=tsleep((caddr_t)&scp->smode, 782 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 783 } 784 else 785 while ((error=tsleep( 786 (caddr_t)&console[*(data-1)].smode, 787 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 788 return error; 789 790 case VT_GETACTIVE: 791 *data = get_scr_num()+1; 792 return 0; 793 794 case KDENABIO: /* allow io operations */ 795 fp = (struct trapframe *)p->p_md.md_regs; 796 fp->tf_eflags |= PSL_IOPL; 797 return 0; 798 799 case KDDISABIO: /* disallow io operations (default) */ 800 fp = (struct trapframe *)p->p_md.md_regs; 801 fp->tf_eflags &= ~PSL_IOPL; 802 return 0; 803 804 case KDSETMODE: /* set current mode of this (virtual) console */ 805 switch (*data) { 806 case KD_TEXT: /* switch to TEXT (known) mode */ 807 /* restore fonts & palette ! */ 808 if (crtc_vga) { 809 if (fonts_loaded & FONT_16_LOADED) 810 copy_font(LOAD, 0, 16, font_16); 811 if (fonts_loaded & FONT_8_LOADED) 812 copy_font(LOAD, 1, 8, font_8); 813 if (fonts_loaded & FONT_14_LOADED) 814 copy_font(LOAD, 2, 14, font_14); 815 load_palette(); 816 } 817 /* FALL THROUGH */ 818 819 case KD_TEXT1: /* switch to TEXT (known) mode */ 820 /* no restore fonts & palette */ 821 scp->status &= ~UNKNOWN_MODE; 822 set_mode(scp); 823 clear_screen(scp); 824 return 0; 825 826 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 827 scp->status |= UNKNOWN_MODE; 828 return 0; 829 default: 830 return EINVAL; 831 } 832 /* NOT REACHED */ 833 834 case KDGETMODE: /* get current mode of this (virtual) console */ 835 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 836 return 0; 837 838 case KDSBORDER: /* set border color of this (virtual) console */ 839 if (!crtc_vga) 840 return ENXIO; 841 scp->border = *data; 842 if (scp == cur_console) 843 set_border(scp->border); 844 return 0; 845 846 case KDSKBSTATE: /* set keyboard state (locks) */ 847 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 848 scp->status &= ~LOCK_KEY_MASK; 849 scp->status |= *data; 850 if (scp == cur_console) 851 update_leds(scp->status); 852 return 0; 853 } 854 return EINVAL; 855 856 case KDGKBSTATE: /* get keyboard state (locks) */ 857 *data = scp->status & LOCK_KEY_MASK; 858 return 0; 859 860 case KDSETRAD: /* set keyboard repeat & delay rates */ 861 if (*data & 0x80) 862 return EINVAL; 863 i = spltty(); 864 kbd_cmd(KB_SETRAD); 865 kbd_cmd(*data); 866 splx(i); 867 return 0; 868 869 case KDSKBMODE: /* set keyboard mode */ 870 switch (*data) { 871 case K_RAW: /* switch to RAW scancode mode */ 872 scp->status |= KBD_RAW_MODE; 873 return 0; 874 875 case K_XLATE: /* switch to XLT ascii mode */ 876 if (scp == cur_console && scp->status == KBD_RAW_MODE) 877 shfts = ctls = alts = agrs = metas = 0; 878 scp->status &= ~KBD_RAW_MODE; 879 return 0; 880 default: 881 return EINVAL; 882 } 883 /* NOT REACHED */ 884 885 case KDGKBMODE: /* get keyboard mode */ 886 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 887 return 0; 888 889 case KDMKTONE: /* sound the bell */ 890 if (scp == cur_console) 891 sysbeep(scp->bell_pitch, scp->bell_duration); 892 return 0; 893 894 case KIOCSOUND: /* make tone (*data) hz */ 895 if (scp == cur_console) { 896 if (*(int*)data) { 897 int pitch = TIMER_FREQ/(*(int*)data); 898 /* set command for counter 2, 2 byte write */ 899 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) { 900 return EBUSY; 901 } 902 /* set pitch */ 903 outb(TIMER_CNTR2, pitch); 904 outb(TIMER_CNTR2, (pitch>>8)); 905 /* enable counter 2 output to speaker */ 906 outb(IO_PPI, inb(IO_PPI) | 3); 907 } 908 else { 909 /* disable counter 2 output to speaker */ 910 outb(IO_PPI, inb(IO_PPI) & 0xFC); 911 release_timer2(); 912 } 913 } 914 return 0; 915 916 case KDGKBTYPE: /* get keyboard type */ 917 *data = 0; /* type not known (yet) */ 918 return 0; 919 920 case KDSETLED: /* set keyboard LED status */ 921 if (*data >= 0 && *data <= LED_MASK) { 922 scp->status &= ~LED_MASK; 923 scp->status |= *data; 924 if (scp == cur_console) 925 update_leds(scp->status); 926 return 0; 927 } 928 return EINVAL; 929 930 case KDGETLED: /* get keyboard LED status */ 931 *data = scp->status & LED_MASK; 932 return 0; 933 934 case GETFKEY: /* get functionkey string */ 935 if (*(u_short*)data < n_fkey_tab) { 936 fkeyarg_t *ptr = (fkeyarg_t*)data; 937 bcopy(&fkey_tab[ptr->keynum].str, 938 ptr->keydef, 939 fkey_tab[ptr->keynum].len); 940 ptr->flen = fkey_tab[ptr->keynum].len; 941 return 0; 942 } 943 else 944 return EINVAL; 945 946 case SETFKEY: /* set functionkey string */ 947 if (*(u_short*)data < n_fkey_tab) { 948 fkeyarg_t *ptr = (fkeyarg_t*)data; 949 bcopy(ptr->keydef, 950 &fkey_tab[ptr->keynum].str, 951 min(ptr->flen, MAXFK)); 952 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 953 return 0; 954 } 955 else 956 return EINVAL; 957 958 case GIO_SCRNMAP: /* get output translation table */ 959 bcopy(&scr_map, data, sizeof(scr_map)); 960 return 0; 961 962 case PIO_SCRNMAP: /* set output translation table */ 963 bcopy(data, &scr_map, sizeof(scr_map)); 964 return 0; 965 966 case GIO_KEYMAP: /* get keyboard translation table */ 967 bcopy(&key_map, data, sizeof(key_map)); 968 return 0; 969 970 case PIO_KEYMAP: /* set keyboard translation table */ 971 bcopy(data, &key_map, sizeof(key_map)); 972 return 0; 973 974 case PIO_FONT8x8: /* set 8x8 dot font */ 975 if (!crtc_vga) 976 return ENXIO; 977 bcopy(data, font_8, 8*256); 978 fonts_loaded |= FONT_8_LOADED; 979 copy_font(LOAD, 1, 8, font_8); 980 return 0; 981 982 case GIO_FONT8x8: /* get 8x8 dot font */ 983 if (!crtc_vga) 984 return ENXIO; 985 if (fonts_loaded & FONT_8_LOADED) { 986 bcopy(font_8, data, 8*256); 987 return 0; 988 } 989 else 990 return ENXIO; 991 992 case PIO_FONT8x14: /* set 8x14 dot font */ 993 if (!crtc_vga) 994 return ENXIO; 995 bcopy(data, font_14, 14*256); 996 fonts_loaded |= FONT_14_LOADED; 997 copy_font(LOAD, 2, 14, font_14); 998 return 0; 999 1000 case GIO_FONT8x14: /* get 8x14 dot font */ 1001 if (!crtc_vga) 1002 return ENXIO; 1003 if (fonts_loaded & FONT_14_LOADED) { 1004 bcopy(font_14, data, 14*256); 1005 return 0; 1006 } 1007 else 1008 return ENXIO; 1009 1010 case PIO_FONT8x16: /* set 8x16 dot font */ 1011 if (!crtc_vga) 1012 return ENXIO; 1013 bcopy(data, font_16, 16*256); 1014 fonts_loaded |= FONT_16_LOADED; 1015 copy_font(LOAD, 0, 16, font_16); 1016 return 0; 1017 1018 case GIO_FONT8x16: /* get 8x16 dot font */ 1019 if (!crtc_vga) 1020 return ENXIO; 1021 if (fonts_loaded & FONT_16_LOADED) { 1022 bcopy(font_16, data, 16*256); 1023 return 0; 1024 } 1025 else 1026 return ENXIO; 1027 1028 case CONSOLE_X_MODE_ON: /* just to be compatible */ 1029 if (saved_console < 0) { 1030 saved_console = get_scr_num(); 1031 switch_scr(minor(dev)); 1032 fp = (struct trapframe *)p->p_md.md_regs; 1033 fp->tf_eflags |= PSL_IOPL; 1034 scp->status |= UNKNOWN_MODE; 1035 scp->status |= KBD_RAW_MODE; 1036 return 0; 1037 } 1038 return EAGAIN; 1039 1040 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 1041 fp = (struct trapframe *)p->p_md.md_regs; 1042 fp->tf_eflags &= ~PSL_IOPL; 1043 if (crtc_vga) { 1044 if (fonts_loaded & FONT_16_LOADED) 1045 copy_font(LOAD, 0, 16, font_16); 1046 if (fonts_loaded & FONT_8_LOADED) 1047 copy_font(LOAD, 1, 8, font_8); 1048 if (fonts_loaded & FONT_14_LOADED) 1049 copy_font(LOAD, 2, 14, font_14); 1050 load_palette(); 1051 } 1052 scp->status &= ~UNKNOWN_MODE; 1053 set_mode(scp); 1054 clear_screen(scp); 1055 scp->status &= ~KBD_RAW_MODE; 1056 switch_scr(saved_console); 1057 saved_console = -1; 1058 return 0; 1059 1060 case CONSOLE_X_BELL: /* more compatibility */ 1061 /* 1062 * if set, data is a pointer to a length 2 array of 1063 * integers. data[0] is the pitch in Hz and data[1] 1064 * is the duration in msec. 1065 */ 1066 if (data) 1067 sysbeep(TIMER_FREQ/((int*)data)[0], 1068 ((int*)data)[1]*hz/1000); 1069 else 1070 sysbeep(scp->bell_pitch, scp->bell_duration); 1071 return 0; 1072 1073 default: 1074 break; 1075 } 1076 1077 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1078 if (error >= 0) 1079 return(error); 1080 error = ttioctl(tp, cmd, data, flag); 1081 if (error >= 0) 1082 return(error); 1083 return(ENOTTY); 1084} 1085 1086void 1087pcxint(dev_t dev) 1088{ 1089 struct tty *tp = get_tty_ptr(dev); 1090 1091 if (!tp) 1092 return; 1093 tp->t_state &= ~TS_BUSY; 1094 if (tp->t_line) 1095 (*linesw[tp->t_line].l_start)(tp); 1096 else 1097 pcstart(tp); 1098} 1099 1100void 1101pcstart(struct tty *tp) 1102{ 1103 struct clist *rbp; 1104 int i, s, len; 1105 u_char buf[PCBURST]; 1106 scr_stat *scp = get_scr_stat(tp->t_dev); 1107 1108 if (scp->status & SLKED) 1109 return; 1110 s = spltty(); 1111 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1112 tp->t_state |= TS_BUSY; 1113 splx(s); 1114 rbp = &tp->t_outq; 1115 while (rbp->c_cc) { 1116 len = q_to_b(rbp, buf, PCBURST); 1117 for (i=0; i<len; i++) 1118 if (buf[i]) ansi_put(scp, buf[i]); 1119 } 1120 s = spltty(); 1121 tp->t_state &= ~TS_BUSY; 1122#if 0 1123 if (rbp->c_cc) { 1124 tp->t_state |= TS_TIMEOUT; 1125 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1126 } 1127#endif 1128 if (rbp->c_cc <= tp->t_lowat) { 1129 if (tp->t_state & TS_ASLEEP) { 1130 tp->t_state &= ~TS_ASLEEP; 1131 wakeup((caddr_t)rbp); 1132 } 1133 selwakeup(&tp->t_wsel); 1134 } 1135 } 1136 splx(s); 1137} 1138 1139void 1140pccnprobe(struct consdev *cp) 1141{ 1142 int maj; 1143 1144 /* locate the major number */ 1145 for (maj = 0; maj < nchrdev; maj++) 1146 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1147 break; 1148 1149 /* initialize required fields */ 1150 cp->cn_dev = makedev(maj, NCONS); 1151 cp->cn_pri = CN_INTERNAL; 1152} 1153 1154void 1155pccninit(struct consdev *cp) 1156{ 1157 scinit(); 1158} 1159 1160void 1161pccnputc(dev_t dev, char c) 1162{ 1163 if (c == '\n') 1164 scput('\r'); 1165 scput(c); 1166 if (cur_console == &console[0]) { 1167 int pos = cur_console->crtat - cur_console->crt_base; 1168 if (pos != cur_cursor_pos) { 1169 cur_cursor_pos = pos; 1170 outb(crtc_addr,14); 1171 outb(crtc_addr+1,pos >> 8); 1172 outb(crtc_addr,15); 1173 outb(crtc_addr+1,pos&0xff); 1174 } 1175 } 1176} 1177 1178int 1179pccngetc(dev_t dev) 1180{ 1181 int s = spltty(); /* block scintr while we poll */ 1182 int c = scgetc(0); 1183 splx(s); 1184 if (c == '\r') c = '\n'; 1185 return(c); 1186} 1187 1188static void 1189none_saver(int test) 1190{ 1191} 1192 1193static void 1194fade_saver(int test) 1195{ 1196 static int count = 0; 1197 int i; 1198 1199 if (test) { 1200 scrn_blanked = 1; 1201 if (count < 64) { 1202 outb(PIXMASK, 0xFF); /* no pixelmask */ 1203 outb(PALWADR, 0x00); 1204 outb(PALDATA, 0); 1205 outb(PALDATA, 0); 1206 outb(PALDATA, 0); 1207 for (i = 3; i < 768; i++) { 1208 if (palette[i] - count > 15) 1209 outb(PALDATA, palette[i]-count); 1210 else 1211 outb(PALDATA, 15); 1212 } 1213 inb(crtc_addr+6); /* reset flip/flop */ 1214 outb(ATC, 0x20); /* enable palette */ 1215 count++; 1216 } 1217 } 1218 else { 1219 count = scrn_blanked = 0; 1220 load_palette(); 1221 } 1222} 1223 1224static void 1225blank_saver(int test) 1226{ 1227 u_char val; 1228 if (test) { 1229 scrn_blanked = 1; 1230 outb(TSIDX, 0x01); val = inb(TSREG); 1231 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1232 } 1233 else { 1234 scrn_blanked = 0; 1235 outb(TSIDX, 0x01); val = inb(TSREG); 1236 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1237 } 1238} 1239 1240static void 1241green_saver(int test) 1242{ 1243 u_char val; 1244 if (test) { 1245 scrn_blanked = 1; 1246 outb(TSIDX, 0x01); val = inb(TSREG); 1247 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1248 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1249 outb(crtc_addr + 1, val & ~0x80); 1250 } 1251 else { 1252 scrn_blanked = 0; 1253 outb(TSIDX, 0x01); val = inb(TSREG); 1254 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1255 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1256 outb(crtc_addr + 1, val | 0x80); 1257 } 1258} 1259 1260#define NUM_STARS 50 1261 1262/* 1263 * Alternate saver that got its inspiration from a well known utility 1264 * package for an inferior^H^H^H^H^H^Hfamous OS. 1265 */ 1266static void 1267star_saver(int test) 1268{ 1269 scr_stat *scp = cur_console; 1270 int cell, i; 1271 char pattern[] = {"...........++++*** "}; 1272 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1273 FG_WHITE, FG_LIGHTCYAN}; 1274 static u_short stars[NUM_STARS][2]; 1275 1276 if (test) { 1277 if (!scrn_blanked) { 1278 bcopy(Crtat, scp->scr_buf, 1279 scp->xsize * scp->ysize * 2); 1280 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1281 scp->xsize * scp->ysize); 1282 set_border(0); 1283 i = scp->ysize * scp->xsize + 5; 1284 outb(crtc_addr, 14); 1285 outb(crtc_addr+1, i >> 8); 1286 outb(crtc_addr, 15); 1287 outb(crtc_addr+1, i & 0xff); 1288 scrn_blanked = 1; 1289 for(i=0; i<NUM_STARS; i++) { 1290 stars[i][0] = 1291 random() % (scp->xsize*scp->ysize); 1292 stars[i][1] = 0; 1293 } 1294 } 1295 cell = random() % NUM_STARS; 1296 *((u_short*)(Crtat + stars[cell][0])) = 1297 scr_map[pattern[stars[cell][1]]] | 1298 colors[random()%sizeof(colors)] << 8; 1299 if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) { 1300 stars[cell][0] = random() % (scp->xsize*scp->ysize); 1301 stars[cell][1] = 0; 1302 } 1303 } 1304 else { 1305 if (scrn_blanked) { 1306 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1307 cur_cursor_pos = -1; 1308 set_border(scp->border); 1309 scrn_blanked = 0; 1310 } 1311 } 1312} 1313 1314static void 1315snake_saver(int test) 1316{ 1317 const char saves[] = {"FreeBSD-2.0"}; 1318 static u_char *savs[sizeof(saves)-1]; 1319 static int dirx, diry; 1320 int f; 1321 scr_stat *scp = cur_console; 1322 1323 if (test) { 1324 if (!scrn_blanked) { 1325 bcopy(Crtat, scp->scr_buf, 1326 scp->xsize * scp->ysize * 2); 1327 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1328 Crtat, scp->xsize * scp->ysize); 1329 set_border(0); 1330 dirx = (scp->xpos ? 1 : -1); 1331 diry = (scp->ypos ? 1332 scp->xsize : -scp->xsize); 1333 for (f=0; f< sizeof(saves)-1; f++) 1334 savs[f] = (u_char *)Crtat + 2 * 1335 (scp->xpos+scp->ypos*scp->xsize); 1336 *(savs[0]) = scr_map[*saves]; 1337 f = scp->ysize * scp->xsize + 5; 1338 outb(crtc_addr, 14); 1339 outb(crtc_addr+1, f >> 8); 1340 outb(crtc_addr, 15); 1341 outb(crtc_addr+1, f & 0xff); 1342 scrn_blanked = 1; 1343 } 1344 if (scrn_blanked++ < 4) 1345 return; 1346 scrn_blanked = 1; 1347 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1348 for (f=sizeof(saves)-2; f > 0; f--) 1349 savs[f] = savs[f-1]; 1350 f = (savs[0] - (u_char *)Crtat) / 2; 1351 if ((f % scp->xsize) == 0 || 1352 (f % scp->xsize) == scp->xsize - 1 || 1353 (random() % 50) == 0) 1354 dirx = -dirx; 1355 if ((f / scp->xsize) == 0 || 1356 (f / scp->xsize) == scp->ysize - 1 || 1357 (random() % 20) == 0) 1358 diry = -diry; 1359 savs[0] += 2*dirx + 2*diry; 1360 for (f=sizeof(saves)-2; f>=0; f--) 1361 *(savs[f]) = scr_map[saves[f]]; 1362 } 1363 else { 1364 if (scrn_blanked) { 1365 bcopy(scp->scr_buf, Crtat, 1366 scp->xsize * scp->ysize * 2); 1367 cur_cursor_pos = -1; 1368 set_border(scp->border); 1369 scrn_blanked = 0; 1370 } 1371 } 1372} 1373 1374static void 1375cursor_shape(int start, int end) 1376{ 1377 outb(crtc_addr, 10); 1378 outb(crtc_addr+1, start & 0xFF); 1379 outb(crtc_addr, 11); 1380 outb(crtc_addr+1, end & 0xFF); 1381} 1382 1383#if !defined(FAT_CURSOR) 1384static void 1385get_cursor_shape(int *start, int *end) 1386{ 1387 outb(crtc_addr, 10); 1388 *start = inb(crtc_addr+1) & 0x1F; 1389 outb(crtc_addr, 11); 1390 *end = inb(crtc_addr+1) & 0x1F; 1391} 1392#endif 1393 1394static void 1395cursor_pos(int force) 1396{ 1397 int pos; 1398 1399 if (cur_console->status & UNKNOWN_MODE) 1400 return; 1401 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1402 SCRN_SAVER(1); 1403 pos = cur_console->crtat - cur_console->crt_base; 1404 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1405 cur_cursor_pos = pos; 1406 outb(crtc_addr, 14); 1407 outb(crtc_addr+1, pos>>8); 1408 outb(crtc_addr, 15); 1409 outb(crtc_addr+1, pos&0xff); 1410 } 1411 timeout((timeout_t)cursor_pos, 0, hz/20); 1412} 1413 1414static void 1415clear_screen(scr_stat *scp) 1416{ 1417 move_crsr(scp, 0, 0); 1418 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1419 scp->xsize * scp->ysize); 1420} 1421 1422static int 1423switch_scr(u_int next_scr) 1424{ 1425 if (switch_in_progress && 1426 (cur_console->proc != pfind(cur_console->pid))) 1427 switch_in_progress = 0; 1428 1429 if (next_scr >= NCONS || switch_in_progress 1430 || (cur_console->smode.mode == VT_AUTO 1431 && cur_console->status & UNKNOWN_MODE)) { 1432 sysbeep(BELL_PITCH, BELL_DURATION); 1433 return EINVAL; 1434 } 1435 1436 /* is the wanted virtual console open ? */ 1437 if (next_scr) { 1438 struct tty *tp = VIRTUAL_TTY(next_scr); 1439 if (!(tp->t_state & TS_ISOPEN)) { 1440 sysbeep(BELL_PITCH, BELL_DURATION); 1441 return EINVAL; 1442 } 1443 } 1444 if (in_putc) { /* delay switch if in putc */ 1445 delayed_next_scr = next_scr+1; 1446 return 0; 1447 } 1448 switch_in_progress = 1; 1449 old_scp = cur_console; 1450 new_scp = &console[next_scr]; 1451 wakeup((caddr_t)&new_scp->smode); 1452 if (new_scp == old_scp) { 1453 switch_in_progress = 0; 1454 return 0; 1455 } 1456 1457 /* has controlling process died? */ 1458 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1459 old_scp->smode.mode = VT_AUTO; 1460 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1461 new_scp->smode.mode = VT_AUTO; 1462 1463 /* check the modes and switch approbiatly */ 1464 if (old_scp->smode.mode == VT_PROCESS) { 1465 old_scp->status |= SWITCH_WAIT_REL; 1466 psignal(old_scp->proc, old_scp->smode.relsig); 1467 } 1468 else { 1469 exchange_scr(); 1470 if (new_scp->smode.mode == VT_PROCESS) { 1471 new_scp->status |= SWITCH_WAIT_ACQ; 1472 psignal(new_scp->proc, new_scp->smode.acqsig); 1473 } 1474 else 1475 switch_in_progress = 0; 1476 } 1477 return 0; 1478} 1479 1480static void 1481exchange_scr(void) 1482{ 1483 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1484 old_scp->crt_base = old_scp->scr_buf; 1485 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1486 cur_console = new_scp; 1487 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)) 1488 set_mode(new_scp); 1489 new_scp->crt_base = Crtat; 1490 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1491 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1492 update_leds(new_scp->status); 1493 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1494 if (fonts_loaded & FONT_16_LOADED) 1495 copy_font(LOAD, 0, 16, font_16); 1496 if (fonts_loaded & FONT_8_LOADED) 1497 copy_font(LOAD, 1, 8, font_8); 1498 if (fonts_loaded & FONT_14_LOADED) 1499 copy_font(LOAD, 2, 14, font_14); 1500 load_palette(); 1501 } 1502 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1503 shfts = ctls = alts = agrs = metas = 0; 1504 delayed_next_scr = 0; 1505} 1506 1507static void 1508move_crsr(scr_stat *scp, int x, int y) 1509{ 1510 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1511 return; 1512 scp->xpos = x; 1513 scp->ypos = y; 1514 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1515} 1516 1517static void 1518move_up(u_short *s, u_short *d, u_int len) 1519{ 1520 s += len; 1521 d += len; 1522 while (len-- > 0) 1523 *--d = *--s; 1524} 1525 1526static void 1527move_down(u_short *s, u_short *d, u_int len) 1528{ 1529 while (len-- > 0) 1530 *d++ = *s++; 1531} 1532 1533static void 1534scan_esc(scr_stat *scp, u_char c) 1535{ 1536 static u_char ansi_col[16] = 1537 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1538 int i, n; 1539 u_short *src, *dst, count; 1540 1541 if (scp->term.esc == 1) { 1542 switch (c) { 1543 1544 case '[': /* Start ESC [ sequence */ 1545 scp->term.esc = 2; 1546 scp->term.last_param = -1; 1547 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1548 scp->term.param[i] = 1; 1549 scp->term.num_param = 0; 1550 return; 1551 1552 case 'M': /* Move cursor up 1 line, scroll if at top */ 1553 if (scp->ypos > 0) 1554 move_crsr(scp, scp->xpos, scp->ypos - 1); 1555 else { 1556 move_up(scp->crt_base, 1557 scp->crt_base + scp->xsize, 1558 (scp->ysize - 1) * scp->xsize); 1559 fillw(scp->term.cur_attr | scr_map[0x20], 1560 scp->crt_base, scp->xsize); 1561 } 1562 break; 1563#if notyet 1564 case 'Q': 1565 scp->term.esc = 4; 1566 break; 1567#endif 1568 case 'c': /* Clear screen & home */ 1569 clear_screen(scp); 1570 break; 1571 } 1572 } 1573 else if (scp->term.esc == 2) { 1574 if (c >= '0' && c <= '9') { 1575 if (scp->term.num_param < MAX_ESC_PAR) { 1576 if (scp->term.last_param != scp->term.num_param) { 1577 scp->term.last_param = scp->term.num_param; 1578 scp->term.param[scp->term.num_param] = 0; 1579 } 1580 else 1581 scp->term.param[scp->term.num_param] *= 10; 1582 scp->term.param[scp->term.num_param] += c - '0'; 1583 return; 1584 } 1585 } 1586 scp->term.num_param = scp->term.last_param + 1; 1587 switch (c) { 1588 1589 case ';': 1590 if (scp->term.num_param < MAX_ESC_PAR) 1591 return; 1592 break; 1593 1594 case '=': 1595 scp->term.esc = 3; 1596 scp->term.last_param = -1; 1597 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1598 scp->term.param[i] = 1; 1599 scp->term.num_param = 0; 1600 return; 1601 1602 case 'A': /* up n rows */ 1603 n = scp->term.param[0]; if (n < 1) n = 1; 1604 move_crsr(scp, scp->xpos, scp->ypos - n); 1605 break; 1606 1607 case 'B': /* down n rows */ 1608 n = scp->term.param[0]; if (n < 1) n = 1; 1609 move_crsr(scp, scp->xpos, scp->ypos + n); 1610 break; 1611 1612 case 'C': /* right n columns */ 1613 n = scp->term.param[0]; if (n < 1) n = 1; 1614 move_crsr(scp, scp->xpos + n, scp->ypos); 1615 break; 1616 1617 case 'D': /* left n columns */ 1618 n = scp->term.param[0]; if (n < 1) n = 1; 1619 move_crsr(scp, scp->xpos - n, scp->ypos); 1620 break; 1621 1622 case 'E': /* cursor to start of line n lines down */ 1623 n = scp->term.param[0]; if (n < 1) n = 1; 1624 move_crsr(scp, 0, scp->ypos + n); 1625 break; 1626 1627 case 'F': /* cursor to start of line n lines up */ 1628 n = scp->term.param[0]; if (n < 1) n = 1; 1629 move_crsr(scp, 0, scp->ypos - n); 1630 break; 1631 1632 case 'f': /* System V consoles .. */ 1633 case 'H': /* Cursor move */ 1634 if (scp->term.num_param == 0) 1635 move_crsr(scp, 0, 0); 1636 else if (scp->term.num_param == 2) 1637 move_crsr(scp, scp->term.param[1] - 1, 1638 scp->term.param[0] - 1); 1639 break; 1640 1641 case 'J': /* Clear all or part of display */ 1642 if (scp->term.num_param == 0) 1643 n = 0; 1644 else 1645 n = scp->term.param[0]; 1646 switch (n) { 1647 case 0: /* clear form cursor to end of display */ 1648 fillw(scp->term.cur_attr | scr_map[0x20], 1649 scp->crtat, scp->crt_base + 1650 scp->xsize * scp->ysize - 1651 scp->crtat); 1652 break; 1653 case 1: /* clear from beginning of display to cursor */ 1654 fillw(scp->term.cur_attr | scr_map[0x20], 1655 scp->crt_base, 1656 scp->crtat - scp->crt_base); 1657 break; 1658 case 2: /* clear entire display */ 1659 clear_screen(scp); 1660 break; 1661 } 1662 break; 1663 1664 case 'K': /* Clear all or part of line */ 1665 if (scp->term.num_param == 0) 1666 n = 0; 1667 else 1668 n = scp->term.param[0]; 1669 switch (n) { 1670 case 0: /* clear form cursor to end of line */ 1671 fillw(scp->term.cur_attr | scr_map[0x20], 1672 scp->crtat, scp->xsize - scp->xpos); 1673 break; 1674 case 1: /* clear from beginning of line to cursor */ 1675 fillw(scp->term.cur_attr|scr_map[0x20], 1676 scp->crtat - (scp->xsize - scp->xpos), 1677 (scp->xsize - scp->xpos) + 1); 1678 break; 1679 case 2: /* clear entire line */ 1680 fillw(scp->term.cur_attr|scr_map[0x20], 1681 scp->crtat - (scp->xsize - scp->xpos), 1682 scp->xsize); 1683 break; 1684 } 1685 break; 1686 1687 case 'L': /* Insert n lines */ 1688 n = scp->term.param[0]; if (n < 1) n = 1; 1689 if (n > scp->ysize - scp->ypos) 1690 n = scp->ysize - scp->ypos; 1691 src = scp->crt_base + scp->ypos * scp->xsize; 1692 dst = src + n * scp->xsize; 1693 count = scp->ysize - (scp->ypos + n); 1694 move_up(src, dst, count * scp->xsize); 1695 fillw(scp->term.cur_attr | scr_map[0x20], src, 1696 n * scp->xsize); 1697 break; 1698 1699 case 'M': /* Delete n lines */ 1700 n = scp->term.param[0]; if (n < 1) n = 1; 1701 if (n > scp->ysize - scp->ypos) 1702 n = scp->ysize - scp->ypos; 1703 dst = scp->crt_base + scp->ypos * scp->xsize; 1704 src = dst + n * scp->xsize; 1705 count = scp->ysize - (scp->ypos + n); 1706 move_down(src, dst, count * scp->xsize); 1707 src = dst + count * scp->xsize; 1708 fillw(scp->term.cur_attr | scr_map[0x20], src, 1709 n * scp->xsize); 1710 break; 1711 1712 case 'P': /* Delete n chars */ 1713 n = scp->term.param[0]; if (n < 1) n = 1; 1714 if (n > scp->xsize - scp->xpos) 1715 n = scp->xsize - scp->xpos; 1716 dst = scp->crtat; 1717 src = dst + n; 1718 count = scp->xsize - (scp->xpos + n); 1719 move_down(src, dst, count); 1720 src = dst + count; 1721 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1722 break; 1723 1724 case '@': /* Insert n chars */ 1725 n = scp->term.param[0]; if (n < 1) n = 1; 1726 if (n > scp->xsize - scp->xpos) 1727 n = scp->xsize - scp->xpos; 1728 src = scp->crtat; 1729 dst = src + n; 1730 count = scp->xsize - (scp->xpos + n); 1731 move_up(src, dst, count); 1732 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1733 break; 1734 1735 case 'S': /* scroll up n lines */ 1736 n = scp->term.param[0]; if (n < 1) n = 1; 1737 if (n > scp->ypos) 1738 n = scp->ypos; 1739 bcopy(scp->crt_base + (scp->xsize * n), 1740 scp->crt_base, 1741 scp->xsize * (scp->ysize - n) * 1742 sizeof(u_short)); 1743 fillw(scp->term.cur_attr | scr_map[0x20], 1744 scp->crt_base + scp->xsize * 1745 (scp->ysize - 1), 1746 scp->xsize); 1747 break; 1748 1749 case 'T': /* scroll down n lines */ 1750 n = scp->term.param[0]; if (n < 1) n = 1; 1751 if (n > scp->ysize - scp->ypos) 1752 n = scp->ysize - scp->ypos; 1753 bcopy(scp->crt_base, 1754 scp->crt_base + (scp->xsize * n), 1755 scp->xsize * (scp->ysize - n) * 1756 sizeof(u_short)); 1757 fillw(scp->term.cur_attr | scr_map[0x20], 1758 scp->crt_base, scp->xsize); 1759 break; 1760 1761 case 'X': /* delete n characters in line */ 1762 n = scp->term.param[0]; if (n < 1) n = 1; 1763 if (n > scp->xsize - scp->xpos) 1764 n = scp->xsize - scp->xpos; 1765 fillw(scp->term.cur_attr | scr_map[0x20], 1766 scp->crt_base + scp->xpos + 1767 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1768 break; 1769 1770 case 'Z': /* move n tabs backwards */ 1771 n = scp->term.param[0]; if (n < 1) n = 1; 1772 if ((i = scp->xpos & 0xf8) == scp->xpos) 1773 i -= 8*n; 1774 else 1775 i -= 8*(n-1); 1776 if (i < 0) 1777 i = 0; 1778 move_crsr(scp, i, scp->ypos); 1779 break; 1780 1781 case '`': /* move cursor to column n */ 1782 n = scp->term.param[0]; if (n < 1) n = 1; 1783 move_crsr(scp, n, scp->ypos); 1784 break; 1785 1786 case 'a': /* move cursor n columns to the right */ 1787 n = scp->term.param[0]; if (n < 1) n = 1; 1788 move_crsr(scp, scp->xpos + n, scp->ypos); 1789 break; 1790 1791 case 'd': /* move cursor to row n */ 1792 n = scp->term.param[0]; if (n < 1) n = 1; 1793 move_crsr(scp, scp->xpos, n); 1794 break; 1795 1796 case 'e': /* move cursor n rows down */ 1797 n = scp->term.param[0]; if (n < 1) n = 1; 1798 move_crsr(scp, scp->xpos, scp->ypos + n); 1799 break; 1800 1801 case 'm': /* change attribute */ 1802 if (scp->term.num_param == 0) { 1803 scp->term.cur_attr = scp->term.std_attr; 1804 break; 1805 } 1806 for (i = 0; i < scp->term.num_param; i++) { 1807 switch (n = scp->term.param[i]) { 1808 case 0: /* back to normal */ 1809 scp->term.cur_attr = scp->term.std_attr; 1810 break; 1811 case 1: /* highlight (bold) */ 1812 scp->term.cur_attr &= 0xFF00; 1813 scp->term.cur_attr |= 0x0800; 1814 break; 1815 case 4: /* highlight (underline) */ 1816 scp->term.cur_attr &= 0xFF00; 1817 scp->term.cur_attr |= 0x0800; 1818 break; 1819 case 5: /* blink */ 1820 scp->term.cur_attr &= 0xFF00; 1821 scp->term.cur_attr |= 0x8000; 1822 break; 1823 case 7: /* reverse video */ 1824 scp->term.cur_attr = scp->term.rev_attr; 1825 break; 1826 case 30: case 31: /* set fg color */ 1827 case 32: case 33: case 34: 1828 case 35: case 36: case 37: 1829 scp->term.cur_attr = 1830 (scp->term.cur_attr & 0xF8FF) 1831 | (ansi_col[(n-30) & 7] << 8); 1832 break; 1833 case 40: case 41: /* set bg color */ 1834 case 42: case 43: case 44: 1835 case 45: case 46: case 47: 1836 scp->term.cur_attr = 1837 (scp->term.cur_attr & 0x8FFF) 1838 | (ansi_col[(n-40) & 7] << 12); 1839 break; 1840 } 1841 } 1842 break; 1843 1844 case 'x': 1845 if (scp->term.num_param == 0) 1846 n = 0; 1847 else 1848 n = scp->term.param[0]; 1849 switch (n) { 1850 case 0: /* reset attributes */ 1851 scp->term.cur_attr = scp->term.std_attr = 1852 current_default->std_attr; 1853 scp->term.rev_attr = current_default->rev_attr; 1854 break; 1855 case 1: /* set ansi background */ 1856 scp->term.cur_attr = scp->term.std_attr = 1857 (scp->term.std_attr & 0x0F00) | 1858 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1859 break; 1860 case 2: /* set ansi foreground */ 1861 scp->term.cur_attr = scp->term.std_attr = 1862 (scp->term.std_attr & 0xF000) | 1863 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1864 break; 1865 case 3: /* set ansi attribute directly */ 1866 scp->term.cur_attr = scp->term.std_attr = 1867 (scp->term.param[1]&0xFF)<<8; 1868 break; 1869 case 5: /* set ansi reverse video background */ 1870 scp->term.rev_attr = 1871 (scp->term.rev_attr & 0x0F00) | 1872 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1873 break; 1874 case 6: /* set ansi reverse video foreground */ 1875 scp->term.rev_attr = 1876 (scp->term.rev_attr & 0xF000) | 1877 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1878 break; 1879 case 7: /* set ansi reverse video directly */ 1880 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1881 break; 1882 } 1883 break; 1884 1885 case 'z': /* switch to (virtual) console n */ 1886 if (scp->term.num_param == 1) 1887 switch_scr(scp->term.param[0]); 1888 break; 1889 } 1890 } 1891 else if (scp->term.esc == 3) { 1892 if (c >= '0' && c <= '9') { 1893 if (scp->term.num_param < MAX_ESC_PAR) { 1894 if (scp->term.last_param != scp->term.num_param) { 1895 scp->term.last_param = scp->term.num_param; 1896 scp->term.param[scp->term.num_param] = 0; 1897 } 1898 else 1899 scp->term.param[scp->term.num_param] *= 10; 1900 scp->term.param[scp->term.num_param] += c - '0'; 1901 return; 1902 } 1903 } 1904 scp->term.num_param = scp->term.last_param + 1; 1905 switch (c) { 1906 1907 case ';': 1908 if (scp->term.num_param < MAX_ESC_PAR) 1909 return; 1910 break; 1911 1912 case 'A': /* set display border color */ 1913 if (scp->term.num_param == 1) 1914 scp->border=scp->term.param[0] & 0xff; 1915 if (scp == cur_console) 1916 set_border(scp->border); 1917 break; 1918 1919 case 'B': /* set bell pitch and duration */ 1920 if (scp->term.num_param == 2) { 1921 scp->bell_pitch = scp->term.param[0]; 1922 scp->bell_duration = scp->term.param[1]*10; 1923 } 1924 break; 1925 1926 case 'C': /* set cursor shape (start & end line) */ 1927 if (scp->term.num_param == 2) { 1928 scp->cursor_start = scp->term.param[0] & 0x1F; 1929 scp->cursor_end = scp->term.param[1] & 0x1F; 1930 if (scp == cur_console) 1931 cursor_shape(scp->cursor_start, 1932 scp->cursor_end); 1933 } 1934 break; 1935 1936 case 'F': /* set ansi foreground */ 1937 if (scp->term.num_param == 1) 1938 scp->term.cur_attr = scp->term.std_attr = 1939 (scp->term.std_attr & 0xF000) 1940 | ((scp->term.param[0] & 0x0F) << 8); 1941 break; 1942 1943 case 'G': /* set ansi background */ 1944 if (scp->term.num_param == 1) 1945 scp->term.cur_attr = scp->term.std_attr = 1946 (scp->term.std_attr & 0x0F00) 1947 | ((scp->term.param[0] & 0x0F) << 12); 1948 break; 1949 1950 case 'H': /* set ansi reverse video foreground */ 1951 if (scp->term.num_param == 1) 1952 scp->term.rev_attr = 1953 (scp->term.rev_attr & 0xF000) 1954 | ((scp->term.param[0] & 0x0F) << 8); 1955 break; 1956 1957 case 'I': /* set ansi reverse video background */ 1958 if (scp->term.num_param == 1) 1959 scp->term.rev_attr = 1960 (scp->term.rev_attr & 0x0F00) 1961 | ((scp->term.param[0] & 0x0F) << 12); 1962 break; 1963 } 1964 } 1965 scp->term.esc = 0; 1966} 1967 1968static void 1969ansi_put(scr_stat *scp, u_char c) 1970{ 1971 if (scp->status & UNKNOWN_MODE) 1972 return; 1973 1974 /* make screensaver happy */ 1975 if (scp == cur_console) { 1976 scrn_time_stamp = time.tv_sec; 1977 if (scrn_blanked) 1978 SCRN_SAVER(0); 1979 } 1980 in_putc++; 1981 if (scp->term.esc) 1982 scan_esc(scp, c); 1983 else switch(c) { 1984 case 0x1B: /* start escape sequence */ 1985 scp->term.esc = 1; 1986 scp->term.num_param = 0; 1987 break; 1988 case 0x07: 1989 if (scp == cur_console) 1990 sysbeep(scp->bell_pitch, scp->bell_duration); 1991 break; 1992 case '\t': /* non-destructive tab */ 1993 scp->crtat += (8 - scp->xpos % 8); 1994 scp->xpos += (8 - scp->xpos % 8); 1995 break; 1996 case '\b': /* non-destructive backspace */ 1997 if (scp->crtat > scp->crt_base) { 1998 scp->crtat--; 1999 if (scp->xpos > 0) 2000 scp->xpos--; 2001 else { 2002 scp->xpos += scp->xsize - 1; 2003 scp->ypos--; 2004 } 2005 } 2006 break; 2007 case '\r': /* return to pos 0 */ 2008 move_crsr(scp, 0, scp->ypos); 2009 break; 2010 case '\n': /* newline, same pos */ 2011 scp->crtat += scp->xsize; 2012 scp->ypos++; 2013 break; 2014 case '\f': /* form feed, clears screen */ 2015 clear_screen(scp); 2016 break; 2017 default: 2018 /* Print only printables */ 2019 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 2020 scp->crtat++; 2021 if (++scp->xpos >= scp->xsize) { 2022 scp->xpos = 0; 2023 scp->ypos++; 2024 } 2025 break; 2026 } 2027 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 2028 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 2029 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2030 fillw(scp->term.cur_attr | scr_map[0x20], 2031 scp->crt_base + scp->xsize * (scp->ysize - 1), 2032 scp->xsize); 2033 scp->crtat -= scp->xsize; 2034 scp->ypos--; 2035 } 2036 in_putc--; 2037 if (delayed_next_scr) 2038 switch_scr(delayed_next_scr - 1); 2039} 2040 2041static void 2042scinit(void) 2043{ 2044 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 2045 unsigned cursorat; 2046 int start = -1, end = -1, i; 2047 scr_stat *scp; 2048 2049 /* 2050 * catch that once in a blue moon occurence when scinit is called 2051 * TWICE, adding the CGA_BUF offset again -> poooff 2052 */ 2053 if (crtat != 0) 2054 return; 2055 /* 2056 * Crtat initialized to point to MONO buffer, if not present change 2057 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 2058 * in the remapped offset at the "right" time 2059 */ 2060 was = *cp; 2061 *cp = (u_short) 0xA55A; 2062 if (*cp != 0xA55A) { 2063 crtc_addr = MONO_BASE; 2064 color_display = 0; 2065 } else { 2066 *cp = was; 2067 crtc_addr = COLOR_BASE; 2068 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2069 color_display = 1; 2070 } 2071 2072 /* Extract cursor location */ 2073 outb(crtc_addr,14); 2074 cursorat = inb(crtc_addr+1)<<8 ; 2075 outb(crtc_addr,15); 2076 cursorat |= inb(crtc_addr+1); 2077 crtat = Crtat + cursorat; 2078 2079 /* is this a VGA or higher ? */ 2080 outb(crtc_addr, 7); 2081 if (inb(crtc_addr) == 7) { 2082 crtc_vga = 1; 2083#if defined(FAT_CURSOR) 2084 start = 0; 2085 end = 18; 2086 cursor_shape(start, end); 2087#else 2088 get_cursor_shape(&start, &end); 2089#endif 2090 } 2091 current_default = &user_default; 2092 for (i = 0; i < NCONS; i++) { 2093 scp = &console[i]; 2094 scp->mode = M_VGA_C80x25; 2095 scp->term.esc = 0; 2096 scp->term.std_attr = current_default->std_attr; 2097 scp->term.rev_attr = current_default->rev_attr; 2098 scp->term.cur_attr = scp->term.std_attr; 2099 scp->border = BG_BLACK; 2100 scp->cursor_start = start; 2101 scp->cursor_end = end; 2102 scp->xsize = COL; 2103 scp->ysize = ROW; 2104 scp->bell_pitch = BELL_PITCH; 2105 scp->bell_duration = BELL_DURATION; 2106#ifndef LAPTOP 2107 scp->status = NLKED; 2108#else 2109 scp->status = 0; 2110#endif 2111 scp->pid = 0; 2112 scp->proc = NULL; 2113 scp->smode.mode = VT_AUTO; 2114 if (i == 0) { 2115 scp->xpos = cursorat % COL; 2116 scp->ypos = cursorat / COL; 2117 scp->crt_base = Crtat; 2118 scp->crtat = crtat; 2119 } 2120 } 2121 kernel_console.esc = 0; 2122 kernel_console.std_attr = kernel_default.std_attr; 2123 kernel_console.rev_attr = kernel_default.rev_attr; 2124 kernel_console.cur_attr = kernel_default.std_attr; 2125 /* initialize mapscrn array to a one to one map */ 2126 for (i=0; i<sizeof(scr_map); i++) 2127 scr_map[i] = i; 2128} 2129 2130static void 2131scput(u_char c) 2132{ 2133 scr_stat *scp = &console[0]; 2134 term_stat save; 2135 2136 if (crtat == 0) 2137 scinit(); 2138 if( in_putc == 0) { 2139 ++in_putc; 2140 save = scp->term; 2141 scp->term = kernel_console; 2142 current_default = &kernel_default; 2143 ansi_put(scp, c); 2144 kernel_console = scp->term; 2145 current_default = &user_default; 2146 scp->term = save; 2147 --in_putc; 2148 } else { 2149 if( console_buffer_count < CONSOLE_BUFSIZE) 2150 console_buffer[console_buffer_count++] = c; 2151 } 2152} 2153 2154static u_char 2155*get_fstr(u_int c, u_int *len) 2156{ 2157 u_int i; 2158 2159 if (!(c & FKEY)) 2160 return(NULL); 2161 i = (c & 0xFF) - F_FN; 2162 if (i > n_fkey_tab) 2163 return(NULL); 2164 *len = fkey_tab[i].len; 2165 return(fkey_tab[i].str); 2166} 2167 2168static void 2169update_leds(int which) 2170{ 2171 int s; 2172 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2173 2174 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2175 if (key_map.n_keys > ALTGR_OFFSET) { 2176 if (which & ALKED) 2177 which |= CLKED; 2178 else 2179 which &= ~CLKED; 2180 } 2181 s = spltty(); 2182 kbd_cmd(KB_SETLEDS); 2183 kbd_cmd(xlate_leds[which & LED_MASK]); 2184 splx(s); 2185} 2186 2187/* 2188 * scgetc(noblock) - get character from keyboard. 2189 * If noblock = 0 wait until a key is pressed. 2190 * Else return NOKEY. 2191 */ 2192u_int 2193scgetc(int noblock) 2194{ 2195 u_char scancode, keycode; 2196 u_int state, action; 2197 struct key_t *key; 2198 static u_char esc_flag = 0, compose = 0; 2199 static u_int chr = 0; 2200 2201next_code: 2202 kbd_wait(); 2203 /* First see if there is something in the keyboard port */ 2204 if (inb(KB_STAT) & KB_BUF_FULL) 2205 scancode = inb(KB_DATA); 2206 else if (noblock) 2207 return(NOKEY); 2208 else 2209 goto next_code; 2210 2211 if (cur_console->status & KBD_RAW_MODE) 2212 return scancode; 2213#if ASYNCH 2214 if (scancode == KB_ACK || scancode == KB_RESEND) { 2215 kbd_reply = scancode; 2216 if (noblock) 2217 return(NOKEY); 2218 goto next_code; 2219 } 2220#endif 2221 keycode = scancode & 0x7F; 2222 switch (esc_flag) { 2223 case 0x00: /* normal scancode */ 2224 switch(scancode) { 2225 case 0xB8: /* left alt (compose key) */ 2226 if (compose) { 2227 compose = 0; 2228 if (chr > 255) { 2229 sysbeep(BELL_PITCH, BELL_DURATION); 2230 chr = 0; 2231 } 2232 } 2233 break; 2234 case 0x38: 2235 if (!compose) { 2236 compose = 1; 2237 chr = 0; 2238 } 2239 break; 2240 case 0xE0: 2241 case 0xE1: 2242 esc_flag = scancode; 2243 goto next_code; 2244 } 2245 break; 2246 case 0xE0: /* 0xE0 prefix */ 2247 esc_flag = 0; 2248 switch (keycode) { 2249 case 0x1C: /* right enter key */ 2250 keycode = 0x59; 2251 break; 2252 case 0x1D: /* right ctrl key */ 2253 keycode = 0x5A; 2254 break; 2255 case 0x35: /* keypad divide key */ 2256 keycode = 0x5B; 2257 break; 2258 case 0x37: /* print scrn key */ 2259 keycode = 0x5C; 2260 break; 2261 case 0x38: /* right alt key (alt gr) */ 2262 keycode = 0x5D; 2263 break; 2264 case 0x47: /* grey home key */ 2265 keycode = 0x5E; 2266 break; 2267 case 0x48: /* grey up arrow key */ 2268 keycode = 0x5F; 2269 break; 2270 case 0x49: /* grey page up key */ 2271 keycode = 0x60; 2272 break; 2273 case 0x4B: /* grey left arrow key */ 2274 keycode = 0x61; 2275 break; 2276 case 0x4D: /* grey right arrow key */ 2277 keycode = 0x62; 2278 break; 2279 case 0x4F: /* grey end key */ 2280 keycode = 0x63; 2281 break; 2282 case 0x50: /* grey down arrow key */ 2283 keycode = 0x64; 2284 break; 2285 case 0x51: /* grey page down key */ 2286 keycode = 0x65; 2287 break; 2288 case 0x52: /* grey insert key */ 2289 keycode = 0x66; 2290 break; 2291 case 0x53: /* grey delete key */ 2292 keycode = 0x67; 2293 break; 2294 default: /* ignore everything else */ 2295 goto next_code; 2296 } 2297 break; 2298 case 0xE1: /* 0xE1 prefix */ 2299 esc_flag = 0; 2300 if (keycode == 0x1D) 2301 esc_flag = 0x1D; 2302 goto next_code; 2303 /* NOT REACHED */ 2304 case 0x1D: /* pause / break */ 2305 esc_flag = 0; 2306 if (keycode != 0x45) 2307 goto next_code; 2308 keycode = 0x68; 2309 break; 2310 } 2311 2312 if (compose) { 2313 switch (scancode) { 2314 /* key pressed process it */ 2315 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2316 chr = (scancode - 0x40) + chr*10; 2317 goto next_code; 2318 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2319 chr = (scancode - 0x47) + chr*10; 2320 goto next_code; 2321 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2322 chr = (scancode - 0x4E) + chr*10; 2323 goto next_code; 2324 case 0x52: /* keypad 0 */ 2325 chr *= 10; 2326 goto next_code; 2327 2328 /* key release, no interest here */ 2329 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2330 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2331 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2332 case 0xD2: /* keypad 0 */ 2333 goto next_code; 2334 2335 case 0x38: /* left alt key */ 2336 break; 2337 default: 2338 if (chr) { 2339 compose = chr = 0; 2340 sysbeep(BELL_PITCH, BELL_DURATION); 2341 goto next_code; 2342 } 2343 break; 2344 } 2345 } 2346 2347 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2348 if ((!agrs && (cur_console->status & ALKED)) 2349 || (agrs && !(cur_console->status & ALKED))) 2350 keycode += ALTGR_OFFSET; 2351 key = &key_map.key[keycode]; 2352 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2353 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2354 state ^= 1; 2355 2356 /* Check for make/break */ 2357 action = key->map[state]; 2358 if (scancode & 0x80) { /* key released */ 2359 if (key->spcl & 0x80) { 2360 switch (action) { 2361 case LSH: 2362 shfts &= ~1; 2363 break; 2364 case RSH: 2365 shfts &= ~2; 2366 break; 2367 case LCTR: 2368 ctls &= ~1; 2369 break; 2370 case RCTR: 2371 ctls &= ~2; 2372 break; 2373 case LALT: 2374 alts &= ~1; 2375 break; 2376 case RALT: 2377 alts &= ~2; 2378 break; 2379 case NLK: 2380 nlkcnt = 0; 2381 break; 2382 case CLK: 2383 clkcnt = 0; 2384 break; 2385 case SLK: 2386 slkcnt = 0; 2387 break; 2388 case ASH: 2389 agrs = 0; 2390 break; 2391 case ALK: 2392 alkcnt = 0; 2393 break; 2394 case META: 2395 metas = 0; 2396 break; 2397 } 2398 } 2399 if (chr && !compose) { 2400 action = chr; 2401 chr = 0; 2402 return(action); 2403 } 2404 } else { 2405 /* key pressed */ 2406 if (key->spcl & (0x80>>state)) { 2407 switch (action) { 2408 /* LOCKING KEYS */ 2409 case NLK: 2410 if (!nlkcnt) { 2411 nlkcnt++; 2412 if (cur_console->status & NLKED) 2413 cur_console->status &= ~NLKED; 2414 else 2415 cur_console->status |= NLKED; 2416 update_leds(cur_console->status); 2417 } 2418 break; 2419 case CLK: 2420 if (!clkcnt) { 2421 clkcnt++; 2422 if (cur_console->status & CLKED) 2423 cur_console->status &= ~CLKED; 2424 else 2425 cur_console->status |= CLKED; 2426 update_leds(cur_console->status); 2427 } 2428 break; 2429 case SLK: 2430 if (!slkcnt) { 2431 slkcnt++; 2432 if (cur_console->status & SLKED) { 2433 cur_console->status &= ~SLKED; 2434 pcstart(VIRTUAL_TTY(get_scr_num())); 2435 } 2436 else 2437 cur_console->status |= SLKED; 2438 update_leds(cur_console->status); 2439 } 2440 break; 2441 case ALK: 2442 if (!alkcnt) { 2443 alkcnt++; 2444 if (cur_console->status & ALKED) 2445 cur_console->status &= ~ALKED; 2446 else 2447 cur_console->status |= ALKED; 2448 update_leds(cur_console->status); 2449 } 2450 break; 2451 2452 /* NON-LOCKING KEYS */ 2453 case NOP: 2454 break; 2455 case RBT: 2456 shutdown_nice(); 2457 break; 2458 case SUSP: 2459 break; 2460 2461 case DBG: 2462#ifdef DDB /* try to switch to console 0 */ 2463 if (cur_console->smode.mode == VT_AUTO && 2464 console[0].smode.mode == VT_AUTO) 2465 switch_scr(0); 2466 Debugger("manual escape to debugger"); 2467 return(NOKEY); 2468#else 2469 printf("No debugger in kernel\n"); 2470#endif 2471 break; 2472 case LSH: 2473 shfts |= 1; 2474 break; 2475 case RSH: 2476 shfts |= 2; 2477 break; 2478 case LCTR: 2479 ctls |= 1; 2480 break; 2481 case RCTR: 2482 ctls |= 2; 2483 break; 2484 case LALT: 2485 alts |= 1; 2486 break; 2487 case RALT: 2488 alts |= 2; 2489 break; 2490 case ASH: 2491 agrs = 1; 2492 break; 2493 case META: 2494 metas = 1; 2495 break; 2496 case NEXT: 2497 switch_scr((get_scr_num()+1)%NCONS); 2498 break; 2499 default: 2500 if (action >= F_SCR && action <= L_SCR) { 2501 switch_scr(action - F_SCR); 2502 break; 2503 } 2504 if (action >= F_FN && action <= L_FN) 2505 action |= FKEY; 2506 return(action); 2507 } 2508 } 2509 else { 2510 if (metas) 2511 action |= MKEY; 2512 return(action); 2513 } 2514 } 2515 goto next_code; 2516} 2517 2518int 2519getchar(void) 2520{ 2521 u_char thechar; 2522 int s; 2523 2524 polling = 1; 2525 s = splhigh(); 2526 scput('>'); 2527 thechar = (u_char) scgetc(0); 2528 polling = 0; 2529 splx(s); 2530 switch (thechar) { 2531 default: 2532 if (thechar >= scr_map[0x20]) 2533 scput(thechar); 2534 return(thechar); 2535 case cr: 2536 case lf: 2537 scput(cr); scput(lf); 2538 return(lf); 2539 case bs: 2540 case del: 2541 scput(bs); scput(scr_map[0x20]); scput(bs); 2542 return(thechar); 2543 case cntld: 2544 scput('^'); scput('D'); scput('\r'); scput('\n'); 2545 return(0); 2546 } 2547} 2548 2549u_int 2550sgetc(int noblock) 2551{ 2552 return (scgetc(noblock) & 0xff); 2553} 2554 2555int 2556pcmmap(dev_t dev, int offset, int nprot) 2557{ 2558 if (offset > 0x20000) 2559 return EINVAL; 2560 return i386_btop((VIDEOMEM + offset)); 2561} 2562 2563static void 2564kbd_wait(void) 2565{ 2566 int i = 1000; 2567 2568 while (i--) { 2569 if ((inb(KB_STAT) & KB_READY) == 0) 2570 break; 2571 DELAY (10); 2572 } 2573} 2574 2575static void 2576kbd_cmd(u_char command) 2577{ 2578 int retry = 5; 2579 do { 2580 int i = 100000; 2581 2582 kbd_wait(); 2583#if ASYNCH 2584 kbd_reply = 0; 2585 outb(KB_DATA, command); 2586 while (i--) { 2587 if (kbd_reply == KB_ACK) 2588 return; 2589 if (kbd_reply == KB_RESEND) 2590 break; 2591 } 2592#else 2593 outb(KB_DATA, command); 2594 while (i--) { 2595 if (inb(KB_STAT) & KB_BUF_FULL) { 2596 int val; 2597 DELAY(10); 2598 val = inb(KB_DATA); 2599 if (val == KB_ACK) 2600 return; 2601 if (val == KB_RESEND) 2602 break; 2603 } 2604 } 2605#endif 2606 } while (retry--); 2607} 2608 2609static void 2610set_mode(scr_stat *scp) 2611{ 2612 char *modetable; 2613 char special_modetable[64]; 2614 int mode, font_size; 2615 2616 if (scp != cur_console) 2617 return; 2618 2619 /* mode change only on VGA's */ 2620 if (!crtc_vga) { 2621 /* (re)activate cursor */ 2622 untimeout((timeout_t)cursor_pos, 0); 2623 cursor_pos(1); 2624 return; 2625 } 2626 2627 /* setup video hardware for the given mode */ 2628 switch (scp->mode) { 2629 case M_VGA_C80x50: 2630 bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 2631 special_modetable[2] = 8; 2632 special_modetable[19] = 7; 2633 modetable = special_modetable; 2634 goto setup_mode; 2635 2636 case M_VGA_M80x50: 2637 bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 2638 special_modetable[2] = 8; 2639 special_modetable[19] = 7; 2640 modetable = special_modetable; 2641 goto setup_mode; 2642 2643 case M_ENH_B80x43: 2644 bcopy(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 2645 special_modetable[2] = 8; 2646 special_modetable[19] = 7; 2647 special_modetable[28] = 87; 2648 modetable = special_modetable; 2649 goto setup_mode; 2650 2651 case M_ENH_C80x43: 2652 bcopy(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 2653 special_modetable[2] = 8; 2654 special_modetable[19] = 7; 2655 special_modetable[28] = 87; 2656 modetable = special_modetable; 2657 goto setup_mode; 2658 2659 case M_VGA_C40x25: case M_VGA_C80x25: /* VGA TEXT MODES */ 2660 case M_VGA_M80x25: 2661 case M_B40x25: case M_C40x25: 2662 case M_B80x25: case M_C80x25: 2663 case M_ENH_B40x25: case M_ENH_C40x25: 2664 case M_ENH_B80x25: case M_ENH_C80x25: 2665 2666 modetable = (char*)(video_mode_ptr + (scp->mode * 64)); 2667setup_mode: 2668 set_vgaregs(modetable); 2669 font_size = *(modetable + 2); 2670 /* change cursor type if set */ 2671 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2672 cursor_shape( 2673 (scp->cursor_start >= font_size) 2674 ? font_size - 1 2675 : scp->cursor_start, 2676 (scp->cursor_end >= font_size) 2677 ? font_size - 1 2678 : scp->cursor_end); 2679 2680 /* set font type (size) */ 2681 switch (font_size) { 2682 case 0x08: 2683 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2684 break; 2685 case 0x0E: 2686 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2687 break; 2688 case 0x10: 2689 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2690 break; 2691 default: 2692 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2693 } 2694 2695 /* (re)activate cursor */ 2696 untimeout((timeout_t)cursor_pos, 0); 2697 cursor_pos(1); 2698 break; 2699 2700 case M_BG320: case M_CG320: case M_BG640: 2701 case M_CG320_D: case M_CG640_E: 2702 case M_CG640x350: case M_ENH_CG640: 2703 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2704 2705 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2706 break; 2707 2708 default: 2709 /* call user defined function XXX */ 2710 break; 2711 } 2712 2713 /* set border color for this (virtual) console */ 2714 set_border(scp->border); 2715 return; 2716} 2717 2718static void 2719set_border(int color) 2720{ 2721 inb(crtc_addr+6); /* reset flip-flop */ 2722 outb(ATC, 0x11); outb(ATC, color); 2723 inb(crtc_addr+6); /* reset flip-flop */ 2724 outb(ATC, 0x20); /* enable Palette */ 2725} 2726 2727static void 2728set_vgaregs(char *modetable) 2729{ 2730 int i, s = splhigh(); 2731 2732 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2733 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2734 for (i=0; i<4; i++) { /* program sequencer */ 2735 outb(TSIDX, i+1); 2736 outb(TSREG, modetable[i+5]); 2737 } 2738 outb(MISC, modetable[9]); /* set dot-clock */ 2739 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2740 outb(crtc_addr, 0x11); 2741 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2742 for (i=0; i<25; i++) { /* program crtc */ 2743 outb(crtc_addr, i); 2744 outb(crtc_addr+1, modetable[i+10]); 2745 } 2746 inb(crtc_addr+6); /* reset flip-flop */ 2747 for (i=0; i<20; i++) { /* program attribute ctrl */ 2748 outb(ATC, i); 2749 outb(ATC, modetable[i+35]); 2750 } 2751 for (i=0; i<9; i++) { /* program graph data ctrl */ 2752 outb(GDCIDX, i); 2753 outb(GDCREG, modetable[i+55]); 2754 } 2755 inb(crtc_addr+6); /* reset flip-flop */ 2756 outb(ATC ,0x20); /* enable palette */ 2757 splx(s); 2758} 2759 2760static void 2761copy_font(int direction, int segment, int size, char* font) 2762{ 2763 int ch, line, s; 2764 u_char val; 2765 2766 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2767 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2768 2769 /* setup vga for loading fonts (graphics plane mode) */ 2770 inb(crtc_addr+6); /* reset flip/flop */ 2771 outb(ATC, 0x30); outb(ATC, 0x01); 2772 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2773 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2774 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2775 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2776 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2777 for (ch=0; ch < 256; ch++) 2778 for (line=0; line < size; line++) 2779 if (direction) 2780 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2781 font[(ch*size)+line]; 2782 else 2783 font[(ch*size)+line] = 2784 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line); 2785 /* setup vga for text mode again */ 2786 s = splhigh(); 2787 inb(crtc_addr+6); /* reset flip/flop */ 2788 outb(ATC, 0x30); outb(ATC, 0x0C); 2789 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2790 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2791 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2792 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2793 if (crtc_addr == MONO_BASE) { 2794 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2795 } 2796 else { 2797 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2798 } 2799 splx(s); 2800 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2801 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2802} 2803 2804static void 2805load_palette(void) 2806{ 2807 int i; 2808 2809 outb(PIXMASK, 0xFF); /* no pixelmask */ 2810 outb(PALWADR, 0x00); 2811 for (i=0x00; i<0x300; i++) 2812 outb(PALDATA, palette[i]); 2813 inb(crtc_addr+6); /* reset flip/flop */ 2814 outb(ATC, 0x20); /* enable palette */ 2815} 2816 2817static void 2818save_palette(void) 2819{ 2820 int i; 2821 2822 outb(PALRADR, 0x00); 2823 for (i=0x00; i<0x300; i++) 2824 palette[i] = inb(PALDATA); 2825 inb(crtc_addr+6); /* reset flip/flop */ 2826} 2827 2828#endif /* NSC */ 2829