syscons.c revision 3680
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 1.68 1994/10/17 22:12:06 sos 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; 286 287struct isa_driver scdriver = { 288 pcprobe, pcattach, "sc", 1 289}; 290 291int 292pcprobe(struct isa_device *dev) 293{ 294 int i, retries = 5; 295 unsigned char val; 296 297 /* Enable interrupts and keyboard controller */ 298 kbd_wait(); 299 outb(KB_STAT, KB_WRITE); 300 kbd_wait(); 301 outb(KB_DATA, KB_MODE); 302 303 /* flush any noise in the buffer */ 304 while (inb(KB_STAT) & KB_BUF_FULL) { 305 DELAY(10); 306 (void) inb(KB_DATA); 307 } 308 309 /* Reset keyboard hardware */ 310 while (retries--) { 311 kbd_wait(); 312 outb(KB_DATA, KB_RESET); 313 for (i=0; i<100000; i++) { 314 DELAY(10); 315 val = inb(KB_DATA); 316 if (val == KB_ACK || val == KB_ECHO) 317 goto gotres; 318 if (val == KB_RESEND) 319 break; 320 } 321 } 322gotres: 323 if (!retries) 324 printf("scprobe: keyboard won't accept RESET command\n"); 325 else { 326gotack: 327 DELAY(10); 328 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 329 DELAY(10); 330 val = inb(KB_DATA); 331 if (val == KB_ACK) 332 goto gotack; 333 if (val != KB_RESET_DONE) 334 printf("scprobe: keyboard RESET failed %02x\n", val); 335 } 336 return (IO_KBDSIZE); 337} 338 339int 340pcattach(struct isa_device *dev) 341{ 342 int i; 343 struct scr_stat *scp; 344 345 printf("sc%d: ", dev->id_unit); 346 if (crtc_vga) 347 if (crtc_addr == MONO_BASE) 348 printf("VGA mono"); 349 else 350 printf("VGA color"); 351 else 352 if (crtc_addr == MONO_BASE) 353 printf("MDA/hercules"); 354 else 355 printf("CGA/EGA"); 356 if (NCONS > 1) 357 printf(" <%d virtual consoles>\n", NCONS); 358 else 359 printf("\n"); 360 if (crtc_vga) { 361#if defined(HARDFONTS) 362 font_8 = font_8x8; 363 font_14 = font_8x14; 364 font_16 = font_8x16; 365 fonts_loaded = FONT_8_LOADED|FONT_14_LOADED|FONT_16_LOADED; 366 copy_font(LOAD, 1, 8, font_8); 367 copy_font(LOAD, 2, 14, font_14); 368 copy_font(LOAD, 0, 16, font_16); 369#else 370 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 371 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 372 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 373 copy_font(SAVE, 0, 16, font_16); 374 fonts_loaded = FONT_16_LOADED; 375#endif 376 save_palette(); 377 } 378 for (i = 0; i < NCONS; i++) { 379 scp = &console[i]; 380 scp->scr_buf = (u_short *)malloc(COL*ROW*2, M_DEVBUF, M_NOWAIT); 381 if (i > 0) { 382 scp->crt_base = scp->crtat = scp->scr_buf; 383 clear_screen(scp); 384 } 385 } 386 /* get cursor going */ 387 cursor_pos(1); 388 update_leds(console[0].status); 389 return 0; 390} 391 392static struct tty 393*get_tty_ptr(dev_t dev) 394{ 395 int unit = minor(dev); 396 397 if (unit > NCONS) 398 return(NULL); 399 if (unit == NCONS) 400 return(CONSOLE_TTY); 401 return(VIRTUAL_TTY(unit)); 402} 403 404static scr_stat 405*get_scr_stat(dev_t dev) 406{ 407 int unit = minor(dev); 408 409 if (unit > NCONS) 410 return(NULL); 411 if (unit == NCONS) 412 return(&console[0]); 413 return(&console[unit]); 414} 415 416static int 417get_scr_num() 418{ 419 int i = 0; 420 421 while ((i < NCONS) && (cur_console != &console[i])) i++; 422 return i < NCONS ? i : 0; 423} 424 425int 426pcopen(dev_t dev, int flag, int mode, struct proc *p) 427{ 428 struct tty *tp = get_tty_ptr(dev); 429 430 if (!tp) 431 return(ENXIO); 432 433 tp->t_oproc = pcstart; 434 tp->t_param = pcparam; 435 tp->t_dev = dev; 436 if (!(tp->t_state & TS_ISOPEN)) { 437 ttychars(tp); 438 tp->t_iflag = TTYDEF_IFLAG; 439 tp->t_oflag = TTYDEF_OFLAG; 440 tp->t_cflag = TTYDEF_CFLAG; 441 tp->t_lflag = TTYDEF_LFLAG; 442 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 443 pcparam(tp, &tp->t_termios); 444 ttsetwater(tp); 445 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 446 return(EBUSY); 447 tp->t_state |= TS_CARR_ON; 448 tp->t_cflag |= CLOCAL; 449 return((*linesw[tp->t_line].l_open)(dev, tp)); 450} 451 452int 453pcclose(dev_t dev, int flag, int mode, struct proc *p) 454{ 455 struct tty *tp = get_tty_ptr(dev); 456 struct scr_stat *scp; 457 458 if (!tp) 459 return(ENXIO); 460 if (minor(dev) < NCONS) { 461 scp = get_scr_stat(tp->t_dev); 462 if (scp->status & SWITCH_WAIT_ACQ) 463 wakeup((caddr_t)&scp->smode); 464 scp->pid = 0; 465 scp->proc = NULL; 466 scp->smode.mode = VT_AUTO; 467 } 468 (*linesw[tp->t_line].l_close)(tp, flag); 469 ttyclose(tp); 470 return(0); 471} 472 473int 474pcread(dev_t dev, struct uio *uio, int flag) 475{ 476 struct tty *tp = get_tty_ptr(dev); 477 478 if (!tp) 479 return(ENXIO); 480 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 481} 482 483int 484pcwrite(dev_t dev, struct uio *uio, int flag) 485{ 486 struct tty *tp = get_tty_ptr(dev); 487 488 if (!tp) 489 return(ENXIO); 490 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 491} 492 493void 494scintr(int unit) 495{ 496 static struct tty *cur_tty; 497 int c, len; 498 u_char *cp; 499 500 /* make screensaver happy */ 501 scrn_time_stamp = time.tv_sec; 502 if (scrn_blanked) 503 SCRN_SAVER(0); 504 505 c = scgetc(1); 506 507 cur_tty = VIRTUAL_TTY(get_scr_num()); 508 if (!(cur_tty->t_state & TS_ISOPEN)) 509 cur_tty = CONSOLE_TTY; 510 511 if (!(cur_tty->t_state & TS_ISOPEN) || polling) 512 return; 513 514 switch (c & 0xff00) { 515 case 0x0000: /* normal key */ 516 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 517 break; 518 case NOKEY: /* nothing there */ 519 break; 520 case FKEY: /* function key, return string */ 521 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 522 while (len-- > 0) 523 (*linesw[cur_tty->t_line].l_rint) 524 (*cp++ & 0xFF, cur_tty); 525 } 526 break; 527 case MKEY: /* meta is active, prepend ESC */ 528 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 529 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 530 break; 531 } 532} 533 534int 535pcparam(struct tty *tp, struct termios *t) 536{ 537 int cflag = t->c_cflag; 538 539 /* and copy to tty */ 540 tp->t_ispeed = t->c_ispeed; 541 tp->t_ospeed = t->c_ospeed; 542 tp->t_cflag = cflag; 543 return 0; 544} 545 546int 547pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 548{ 549 int i, error; 550 struct tty *tp; 551 struct trapframe *fp; 552 scr_stat *scp; 553 554 tp = get_tty_ptr(dev); 555 if (!tp) 556 return ENXIO; 557 scp = get_scr_stat(tp->t_dev); 558 559 switch (cmd) { /* process console hardware related ioctl's */ 560 561 case GIO_ATTR: /* get current attributes */ 562 *(int*)data = scp->term.cur_attr; 563 return 0; 564 565 case GIO_COLOR: /* is this a color console ? */ 566 if (crtc_addr == COLOR_BASE) 567 *(int*)data = 1; 568 else 569 *(int*)data = 0; 570 return 0; 571 572 case CONS_CURRENT: /* get current adapter type */ 573 if (crtc_vga) 574 *(int*)data = KD_VGA; 575 else 576 if (crtc_addr == MONO_BASE) 577 *(int*)data = KD_MONO; 578 else 579 *(int*)data = KD_CGA; 580 return 0; 581 582 case CONS_GET: /* get current video mode */ 583 *(int*)data = scp->mode; 584 return 0; 585 586 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 587 scrn_blank_time = *(int*)data; 588 return 0; 589 590#define SAVER(p) ((ssaver_t *)(p)) 591 case CONS_SSAVER: /* set screen saver */ 592 if (SAVER(data)->num < 0 593 || SAVER(data)->num >= NUM_SCRN_SAVERS) 594 return EIO; 595 SCRN_SAVER(0); 596 scrn_saver = SAVER(data)->num; 597 scrn_blank_time = SAVER(data)->time; 598 return 0; 599 600 case CONS_GSAVER: /* get screen saver info */ 601 if (SAVER(data)->num < 0) 602 SAVER(data)->num = scrn_saver; 603 else if (SAVER(data)->num >= NUM_SCRN_SAVERS) 604 return EIO; 605 SAVER(data)->time = scrn_blank_time; 606 strcpy(SAVER(data)->name, screen_savers[SAVER(data)->num].name); 607 return 0; 608 609 case CONS_GETINFO: /* get current (virtual) console info */ 610 { 611 vid_info_t *ptr = (vid_info_t*)data; 612 if (ptr->size == sizeof(struct vid_info)) { 613 ptr->m_num = get_scr_num(); 614 ptr->mv_col = scp->xpos; 615 ptr->mv_row = scp->ypos; 616 ptr->mv_csz = scp->xsize; 617 ptr->mv_rsz = scp->ysize; 618 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 619 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 620 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 621 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 622 ptr->mv_grfc.fore = 0; /* not supported */ 623 ptr->mv_grfc.back = 0; /* not supported */ 624 ptr->mv_ovscan = scp->border; 625 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 626 return 0; 627 } 628 return EINVAL; 629 } 630 631 case CONS_GETVERS: /* get version number */ 632 *(int*)data = 0x103; /* version 1.3 */ 633 return 0; 634 635 case SW_VGA_C40x25: case SW_VGA_C80x25: /* VGA TEXT MODES */ 636 case SW_VGA_M80x25: 637 case SW_VGA_C80x50: case SW_VGA_M80x50: 638 case SW_B40x25: case SW_C40x25: 639 case SW_B80x25: case SW_C80x25: 640 case SW_ENH_B40x25: case SW_ENH_C40x25: 641 case SW_ENH_B80x25: case SW_ENH_C80x25: 642 case SW_ENH_B80x43: case SW_ENH_C80x43: 643 644 if (!crtc_vga) 645 return ENXIO; 646 cmd &= 0xFF; 647 i = cmd < M_VGA_C80x50 ? 648 *(video_mode_ptr + (cmd*64) + 2) : 0x08; 649 switch (i) { 650 default: 651 case 0x08: 652 if (!(fonts_loaded & FONT_8_LOADED)) 653 return EINVAL; 654 break; 655 case 0x0E: 656 if (!(fonts_loaded & FONT_14_LOADED)) 657 return EINVAL; 658 break; 659 case 0x10: 660 if (!(fonts_loaded & FONT_16_LOADED)) 661 return EINVAL; 662 break; 663 } 664 scp->mode = cmd; 665 scp->status &= ~UNKNOWN_MODE; /* text mode */ 666 if (scp->mode < M_VGA_C80x50) { 667 scp->xsize = *(video_mode_ptr + (scp->mode*64)); 668 scp->ysize = *(video_mode_ptr + (scp->mode*64) + 1) + 1; 669 } 670 else switch (scp->mode) { 671 case M_VGA_C80x50: case M_VGA_M80x50: 672 scp->xsize = 80; 673 scp->ysize = 50; 674 break; 675 case M_ENH_B80x43: case M_ENH_C80x43: 676 scp->xsize = 80; 677 scp->ysize = 43; 678 break; 679 } 680 free(scp->scr_buf, M_DEVBUF); 681 scp->scr_buf = (u_short *)malloc(scp->xsize * scp->ysize * 2, 682 M_DEVBUF, M_NOWAIT); 683 if (scp == cur_console) 684 set_mode(scp); 685 else 686 scp->crt_base = scp->scr_buf; 687 clear_screen(scp); 688 if (tp->t_winsize.ws_col != scp->xsize 689 || tp->t_winsize.ws_row != scp->ysize) { 690 tp->t_winsize.ws_col = scp->xsize; 691 tp->t_winsize.ws_row = scp->ysize; 692 pgsignal(tp->t_pgrp, SIGWINCH, 1); 693 } 694 return 0; 695 696 /* GRAPHICS MODES */ 697 case SW_BG320: case SW_CG320: case SW_BG640: 698 case SW_CG320_D: case SW_CG640_E: 699 case SW_CG640x350: case SW_ENH_CG640: 700 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 701 702 scp->mode = cmd & 0xFF; 703 scp->status |= UNKNOWN_MODE; /* graphics mode */ 704 if (scp == cur_console) 705 set_mode(scp); 706 /* clear_graphics();*/ 707 return 0; 708 709 case VT_SETMODE: /* set screen switcher mode */ 710 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 711 if (scp->smode.mode == VT_PROCESS) { 712 scp->proc = p; 713 scp->pid = scp->proc->p_pid; 714 } 715 return 0; 716 717 case VT_GETMODE: /* get screen switcher mode */ 718 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 719 return 0; 720 721 case VT_RELDISP: /* screen switcher ioctl */ 722 switch(*data) { 723 case VT_FALSE: /* user refuses to release screen, abort */ 724 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 725 old_scp->status &= ~SWITCH_WAIT_REL; 726 switch_in_progress = 0; 727 return 0; 728 } 729 return EINVAL; 730 731 case VT_TRUE: /* user has released screen, go on */ 732 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 733 scp->status &= ~SWITCH_WAIT_REL; 734 exchange_scr(); 735 if (new_scp->smode.mode == VT_PROCESS) { 736 new_scp->status |= SWITCH_WAIT_ACQ; 737 psignal(new_scp->proc, 738 new_scp->smode.acqsig); 739 } 740 else 741 switch_in_progress = 0; 742 return 0; 743 } 744 return EINVAL; 745 746 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 747 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 748 scp->status &= ~SWITCH_WAIT_ACQ; 749 switch_in_progress = 0; 750 return 0; 751 } 752 return EINVAL; 753 754 default: 755 return EINVAL; 756 } 757 /* NOT REACHED */ 758 759 case VT_OPENQRY: /* return free virtual console */ 760 for (i = 0; i < NCONS; i++) { 761 tp = VIRTUAL_TTY(i); 762 if (!(tp->t_state & TS_ISOPEN)) { 763 *data = i + 1; 764 return 0; 765 } 766 } 767 return EINVAL; 768 769 case VT_ACTIVATE: /* switch to screen *data */ 770 return switch_scr((*data) - 1); 771 772 case VT_WAITACTIVE: /* wait for switch to occur */ 773 if (*data > NCONS) 774 return EINVAL; 775 if (minor(dev) == (*data) - 1) 776 return 0; 777 if (*data == 0) { 778 if (scp == cur_console) 779 return 0; 780 while ((error=tsleep((caddr_t)&scp->smode, 781 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 782 } 783 else 784 while ((error=tsleep( 785 (caddr_t)&console[*(data-1)].smode, 786 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 787 return error; 788 789 case VT_GETACTIVE: 790 *data = get_scr_num()+1; 791 return 0; 792 793 case KDENABIO: /* allow io operations */ 794 fp = (struct trapframe *)p->p_md.md_regs; 795 fp->tf_eflags |= PSL_IOPL; 796 return 0; 797 798 case KDDISABIO: /* disallow io operations (default) */ 799 fp = (struct trapframe *)p->p_md.md_regs; 800 fp->tf_eflags &= ~PSL_IOPL; 801 return 0; 802 803 case KDSETMODE: /* set current mode of this (virtual) console */ 804 switch (*data) { 805 case KD_TEXT: /* switch to TEXT (known) mode */ 806 /* restore fonts & palette ! */ 807 if (crtc_vga) { 808 if (fonts_loaded & FONT_16_LOADED) 809 copy_font(LOAD, 0, 16, font_16); 810 if (fonts_loaded & FONT_8_LOADED) 811 copy_font(LOAD, 1, 8, font_8); 812 if (fonts_loaded & FONT_14_LOADED) 813 copy_font(LOAD, 2, 14, font_14); 814 load_palette(); 815 } 816 /* FALL THROUGH */ 817 818 case KD_TEXT1: /* switch to TEXT (known) mode */ 819 /* no restore fonts & palette */ 820 scp->status &= ~UNKNOWN_MODE; 821 set_mode(scp); 822 clear_screen(scp); 823 return 0; 824 825 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 826 scp->status |= UNKNOWN_MODE; 827 return 0; 828 default: 829 return EINVAL; 830 } 831 /* NOT REACHED */ 832 833 case KDGETMODE: /* get current mode of this (virtual) console */ 834 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 835 return 0; 836 837 case KDSBORDER: /* set border color of this (virtual) console */ 838 if (!crtc_vga) 839 return ENXIO; 840 scp->border = *data; 841 if (scp == cur_console) 842 set_border(scp->border); 843 return 0; 844 845 case KDSKBSTATE: /* set keyboard state (locks) */ 846 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 847 scp->status &= ~LOCK_KEY_MASK; 848 scp->status |= *data; 849 if (scp == cur_console) 850 update_leds(scp->status); 851 return 0; 852 } 853 return EINVAL; 854 855 case KDGKBSTATE: /* get keyboard state (locks) */ 856 *data = scp->status & LOCK_KEY_MASK; 857 return 0; 858 859 case KDSETRAD: /* set keyboard repeat & delay rates */ 860 if (*data & 0x80) 861 return EINVAL; 862 i = spltty(); 863 kbd_cmd(KB_SETRAD); 864 kbd_cmd(*data); 865 splx(i); 866 return 0; 867 868 case KDSKBMODE: /* set keyboard mode */ 869 switch (*data) { 870 case K_RAW: /* switch to RAW scancode mode */ 871 scp->status |= KBD_RAW_MODE; 872 return 0; 873 874 case K_XLATE: /* switch to XLT ascii mode */ 875 if (scp == cur_console && scp->status == KBD_RAW_MODE) 876 shfts = ctls = alts = agrs = metas = 0; 877 scp->status &= ~KBD_RAW_MODE; 878 return 0; 879 default: 880 return EINVAL; 881 } 882 /* NOT REACHED */ 883 884 case KDGKBMODE: /* get keyboard mode */ 885 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 886 return 0; 887 888 case KDMKTONE: /* sound the bell */ 889 if (scp == cur_console) 890 sysbeep(scp->bell_pitch, scp->bell_duration); 891 return 0; 892 893 case KIOCSOUND: /* make tone (*data) hz */ 894 if (scp == cur_console) { 895 if (*(int*)data) { 896 int pitch = TIMER_FREQ/(*(int*)data); 897 /* set command for counter 2, 2 byte write */ 898 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) { 899 return EBUSY; 900 } 901 /* set pitch */ 902 outb(TIMER_CNTR2, pitch); 903 outb(TIMER_CNTR2, (pitch>>8)); 904 /* enable counter 2 output to speaker */ 905 outb(IO_PPI, inb(IO_PPI) | 3); 906 } 907 else { 908 /* disable counter 2 output to speaker */ 909 outb(IO_PPI, inb(IO_PPI) & 0xFC); 910 release_timer2(); 911 } 912 } 913 return 0; 914 915 case KDGKBTYPE: /* get keyboard type */ 916 *data = 0; /* type not known (yet) */ 917 return 0; 918 919 case KDSETLED: /* set keyboard LED status */ 920 if (*data >= 0 && *data <= LED_MASK) { 921 scp->status &= ~LED_MASK; 922 scp->status |= *data; 923 if (scp == cur_console) 924 update_leds(scp->status); 925 return 0; 926 } 927 return EINVAL; 928 929 case KDGETLED: /* get keyboard LED status */ 930 *data = scp->status & LED_MASK; 931 return 0; 932 933 case GETFKEY: /* get functionkey string */ 934 if (*(u_short*)data < n_fkey_tab) { 935 fkeyarg_t *ptr = (fkeyarg_t*)data; 936 bcopy(&fkey_tab[ptr->keynum].str, 937 ptr->keydef, 938 fkey_tab[ptr->keynum].len); 939 ptr->flen = fkey_tab[ptr->keynum].len; 940 return 0; 941 } 942 else 943 return EINVAL; 944 945 case SETFKEY: /* set functionkey string */ 946 if (*(u_short*)data < n_fkey_tab) { 947 fkeyarg_t *ptr = (fkeyarg_t*)data; 948 bcopy(ptr->keydef, 949 &fkey_tab[ptr->keynum].str, 950 min(ptr->flen, MAXFK)); 951 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 952 return 0; 953 } 954 else 955 return EINVAL; 956 957 case GIO_SCRNMAP: /* get output translation table */ 958 bcopy(&scr_map, data, sizeof(scr_map)); 959 return 0; 960 961 case PIO_SCRNMAP: /* set output translation table */ 962 bcopy(data, &scr_map, sizeof(scr_map)); 963 return 0; 964 965 case GIO_KEYMAP: /* get keyboard translation table */ 966 bcopy(&key_map, data, sizeof(key_map)); 967 return 0; 968 969 case PIO_KEYMAP: /* set keyboard translation table */ 970 bcopy(data, &key_map, sizeof(key_map)); 971 return 0; 972 973 case PIO_FONT8x8: /* set 8x8 dot font */ 974 if (!crtc_vga) 975 return ENXIO; 976 bcopy(data, font_8, 8*256); 977 fonts_loaded |= FONT_8_LOADED; 978 copy_font(LOAD, 1, 8, font_8); 979 return 0; 980 981 case GIO_FONT8x8: /* get 8x8 dot font */ 982 if (!crtc_vga) 983 return ENXIO; 984 if (fonts_loaded & FONT_8_LOADED) { 985 bcopy(font_8, data, 8*256); 986 return 0; 987 } 988 else 989 return ENXIO; 990 991 case PIO_FONT8x14: /* set 8x14 dot font */ 992 if (!crtc_vga) 993 return ENXIO; 994 bcopy(data, font_14, 14*256); 995 fonts_loaded |= FONT_14_LOADED; 996 copy_font(LOAD, 2, 14, font_14); 997 return 0; 998 999 case GIO_FONT8x14: /* get 8x14 dot font */ 1000 if (!crtc_vga) 1001 return ENXIO; 1002 if (fonts_loaded & FONT_14_LOADED) { 1003 bcopy(font_14, data, 14*256); 1004 return 0; 1005 } 1006 else 1007 return ENXIO; 1008 1009 case PIO_FONT8x16: /* set 8x16 dot font */ 1010 if (!crtc_vga) 1011 return ENXIO; 1012 bcopy(data, font_16, 16*256); 1013 fonts_loaded |= FONT_16_LOADED; 1014 copy_font(LOAD, 0, 16, font_16); 1015 return 0; 1016 1017 case GIO_FONT8x16: /* get 8x16 dot font */ 1018 if (!crtc_vga) 1019 return ENXIO; 1020 if (fonts_loaded & FONT_16_LOADED) { 1021 bcopy(font_16, data, 16*256); 1022 return 0; 1023 } 1024 else 1025 return ENXIO; 1026 1027 case CONSOLE_X_MODE_ON: /* just to be compatible */ 1028 if (saved_console < 0) { 1029 saved_console = get_scr_num(); 1030 switch_scr(minor(dev)); 1031 fp = (struct trapframe *)p->p_md.md_regs; 1032 fp->tf_eflags |= PSL_IOPL; 1033 scp->status |= UNKNOWN_MODE; 1034 scp->status |= KBD_RAW_MODE; 1035 return 0; 1036 } 1037 return EAGAIN; 1038 1039 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 1040 fp = (struct trapframe *)p->p_md.md_regs; 1041 fp->tf_eflags &= ~PSL_IOPL; 1042 if (crtc_vga) { 1043 if (fonts_loaded & FONT_16_LOADED) 1044 copy_font(LOAD, 0, 16, font_16); 1045 if (fonts_loaded & FONT_8_LOADED) 1046 copy_font(LOAD, 1, 8, font_8); 1047 if (fonts_loaded & FONT_14_LOADED) 1048 copy_font(LOAD, 2, 14, font_14); 1049 load_palette(); 1050 } 1051 scp->status &= ~UNKNOWN_MODE; 1052 set_mode(scp); 1053 clear_screen(scp); 1054 scp->status &= ~KBD_RAW_MODE; 1055 switch_scr(saved_console); 1056 saved_console = -1; 1057 return 0; 1058 1059 case CONSOLE_X_BELL: /* more compatibility */ 1060 /* 1061 * if set, data is a pointer to a length 2 array of 1062 * integers. data[0] is the pitch in Hz and data[1] 1063 * is the duration in msec. 1064 */ 1065 if (data) 1066 sysbeep(TIMER_FREQ/((int*)data)[0], 1067 ((int*)data)[1]*hz/1000); 1068 else 1069 sysbeep(scp->bell_pitch, scp->bell_duration); 1070 return 0; 1071 1072 default: 1073 break; 1074 } 1075 1076 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1077 if (error >= 0) 1078 return(error); 1079 error = ttioctl(tp, cmd, data, flag); 1080 if (error >= 0) 1081 return(error); 1082 return(ENOTTY); 1083} 1084 1085void 1086pcxint(dev_t dev) 1087{ 1088 struct tty *tp = get_tty_ptr(dev); 1089 1090 if (!tp) 1091 return; 1092 tp->t_state &= ~TS_BUSY; 1093 if (tp->t_line) 1094 (*linesw[tp->t_line].l_start)(tp); 1095 else 1096 pcstart(tp); 1097} 1098 1099void 1100pcstart(struct tty *tp) 1101{ 1102 struct clist *rbp; 1103 int i, s, len; 1104 u_char buf[PCBURST]; 1105 scr_stat *scp = get_scr_stat(tp->t_dev); 1106 1107 if (scp->status & SLKED) 1108 return; 1109 s = spltty(); 1110 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1111 tp->t_state |= TS_BUSY; 1112 splx(s); 1113 rbp = &tp->t_outq; 1114 while (rbp->c_cc) { 1115 len = q_to_b(rbp, buf, PCBURST); 1116 for (i=0; i<len; i++) 1117 if (buf[i]) ansi_put(scp, buf[i]); 1118 } 1119 s = spltty(); 1120 tp->t_state &= ~TS_BUSY; 1121#if 0 1122 if (rbp->c_cc) { 1123 tp->t_state |= TS_TIMEOUT; 1124 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1125 } 1126#endif 1127 if (rbp->c_cc <= tp->t_lowat) { 1128 if (tp->t_state & TS_ASLEEP) { 1129 tp->t_state &= ~TS_ASLEEP; 1130 wakeup((caddr_t)rbp); 1131 } 1132 selwakeup(&tp->t_wsel); 1133 } 1134 } 1135 splx(s); 1136} 1137 1138void 1139pccnprobe(struct consdev *cp) 1140{ 1141 int maj; 1142 1143 /* locate the major number */ 1144 for (maj = 0; maj < nchrdev; maj++) 1145 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1146 break; 1147 1148 /* initialize required fields */ 1149 cp->cn_dev = makedev(maj, NCONS); 1150 cp->cn_pri = CN_INTERNAL; 1151} 1152 1153void 1154pccninit(struct consdev *cp) 1155{ 1156 scinit(); 1157} 1158 1159void 1160pccnputc(dev_t dev, char c) 1161{ 1162 if (c == '\n') 1163 scput('\r'); 1164 scput(c); 1165 if (cur_console == &console[0]) { 1166 int pos = cur_console->crtat - cur_console->crt_base; 1167 if (pos != cur_cursor_pos) { 1168 cur_cursor_pos = pos; 1169 outb(crtc_addr,14); 1170 outb(crtc_addr+1,pos >> 8); 1171 outb(crtc_addr,15); 1172 outb(crtc_addr+1,pos&0xff); 1173 } 1174 } 1175} 1176 1177int 1178pccngetc(dev_t dev) 1179{ 1180 int s = spltty(); /* block scintr while we poll */ 1181 int c = scgetc(0); 1182 splx(s); 1183 if (c == '\r') c = '\n'; 1184 return(c); 1185} 1186 1187static void 1188none_saver(int test) 1189{ 1190} 1191 1192static void 1193fade_saver(int test) 1194{ 1195 static int count = 0; 1196 int i; 1197 1198 if (test) { 1199 scrn_blanked = 1; 1200 if (count < 64) { 1201 outb(PIXMASK, 0xFF); /* no pixelmask */ 1202 outb(PALWADR, 0x00); 1203 outb(PALDATA, 0); 1204 outb(PALDATA, 0); 1205 outb(PALDATA, 0); 1206 for (i = 3; i < 768; i++) { 1207 if (palette[i] - count > 15) 1208 outb(PALDATA, palette[i]-count); 1209 else 1210 outb(PALDATA, 15); 1211 } 1212 inb(crtc_addr+6); /* reset flip/flop */ 1213 outb(ATC, 0x20); /* enable palette */ 1214 count++; 1215 } 1216 } 1217 else { 1218 count = scrn_blanked = 0; 1219 load_palette(); 1220 } 1221} 1222 1223static void 1224blank_saver(int test) 1225{ 1226 u_char val; 1227 if (test) { 1228 scrn_blanked = 1; 1229 outb(TSIDX, 0x01); val = inb(TSREG); 1230 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1231 } 1232 else { 1233 scrn_blanked = 0; 1234 outb(TSIDX, 0x01); val = inb(TSREG); 1235 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1236 } 1237} 1238 1239static void 1240green_saver(int test) 1241{ 1242 u_char val; 1243 if (test) { 1244 scrn_blanked = 1; 1245 outb(TSIDX, 0x01); val = inb(TSREG); 1246 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1247 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1248 outb(crtc_addr + 1, val & ~0x80); 1249 } 1250 else { 1251 scrn_blanked = 0; 1252 outb(TSIDX, 0x01); val = inb(TSREG); 1253 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1254 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1255 outb(crtc_addr + 1, val | 0x80); 1256 } 1257} 1258 1259#define NUM_STARS 50 1260 1261/* 1262 * Alternate saver that got its inspiration from a well known utility 1263 * package for an inferior^H^H^H^H^H^Hfamous OS. 1264 */ 1265static void 1266star_saver(int test) 1267{ 1268 scr_stat *scp = cur_console; 1269 int cell, i; 1270 char pattern[] = {"...........++++*** "}; 1271 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1272 FG_WHITE, FG_LIGHTCYAN}; 1273 static u_short stars[NUM_STARS][2]; 1274 1275 if (test) { 1276 if (!scrn_blanked) { 1277 bcopy(Crtat, scp->scr_buf, 1278 scp->xsize * scp->ysize * 2); 1279 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1280 scp->xsize * scp->ysize); 1281 set_border(0); 1282 i = scp->ysize * scp->xsize + 5; 1283 outb(crtc_addr, 14); 1284 outb(crtc_addr+1, i >> 8); 1285 outb(crtc_addr, 15); 1286 outb(crtc_addr+1, i & 0xff); 1287 scrn_blanked = 1; 1288 for(i=0; i<NUM_STARS; i++) { 1289 stars[i][0] = 1290 random() % (scp->xsize*scp->ysize); 1291 stars[i][1] = 0; 1292 } 1293 } 1294 cell = random() % NUM_STARS; 1295 *((u_short*)(Crtat + stars[cell][0])) = 1296 scr_map[pattern[stars[cell][1]]] | 1297 colors[random()%sizeof(colors)] << 8; 1298 if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) { 1299 stars[cell][0] = random() % (scp->xsize*scp->ysize); 1300 stars[cell][1] = 0; 1301 } 1302 } 1303 else { 1304 if (scrn_blanked) { 1305 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1306 cur_cursor_pos = -1; 1307 set_border(scp->border); 1308 scrn_blanked = 0; 1309 } 1310 } 1311} 1312 1313static void 1314snake_saver(int test) 1315{ 1316 const char saves[] = {"FreeBSD-2.0"}; 1317 static u_char *savs[sizeof(saves)-1]; 1318 static int dirx, diry; 1319 int f; 1320 scr_stat *scp = cur_console; 1321 1322 if (test) { 1323 if (!scrn_blanked) { 1324 bcopy(Crtat, scp->scr_buf, 1325 scp->xsize * scp->ysize * 2); 1326 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1327 Crtat, scp->xsize * scp->ysize); 1328 set_border(0); 1329 dirx = (scp->xpos ? 1 : -1); 1330 diry = (scp->ypos ? 1331 scp->xsize : -scp->xsize); 1332 for (f=0; f< sizeof(saves)-1; f++) 1333 savs[f] = (u_char *)Crtat + 2 * 1334 (scp->xpos+scp->ypos*scp->xsize); 1335 *(savs[0]) = scr_map[*saves]; 1336 f = scp->ysize * scp->xsize + 5; 1337 outb(crtc_addr, 14); 1338 outb(crtc_addr+1, f >> 8); 1339 outb(crtc_addr, 15); 1340 outb(crtc_addr+1, f & 0xff); 1341 scrn_blanked = 1; 1342 } 1343 if (scrn_blanked++ < 4) 1344 return; 1345 scrn_blanked = 1; 1346 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1347 for (f=sizeof(saves)-2; f > 0; f--) 1348 savs[f] = savs[f-1]; 1349 f = (savs[0] - (u_char *)Crtat) / 2; 1350 if ((f % scp->xsize) == 0 || 1351 (f % scp->xsize) == scp->xsize - 1 || 1352 (random() % 50) == 0) 1353 dirx = -dirx; 1354 if ((f / scp->xsize) == 0 || 1355 (f / scp->xsize) == scp->ysize - 1 || 1356 (random() % 20) == 0) 1357 diry = -diry; 1358 savs[0] += 2*dirx + 2*diry; 1359 for (f=sizeof(saves)-2; f>=0; f--) 1360 *(savs[f]) = scr_map[saves[f]]; 1361 } 1362 else { 1363 if (scrn_blanked) { 1364 bcopy(scp->scr_buf, Crtat, 1365 scp->xsize * scp->ysize * 2); 1366 cur_cursor_pos = -1; 1367 set_border(scp->border); 1368 scrn_blanked = 0; 1369 } 1370 } 1371} 1372 1373static void 1374cursor_shape(int start, int end) 1375{ 1376 outb(crtc_addr, 10); 1377 outb(crtc_addr+1, start & 0xFF); 1378 outb(crtc_addr, 11); 1379 outb(crtc_addr+1, end & 0xFF); 1380} 1381 1382#if !defined(FAT_CURSOR) 1383static void 1384get_cursor_shape(int *start, int *end) 1385{ 1386 outb(crtc_addr, 10); 1387 *start = inb(crtc_addr+1) & 0x1F; 1388 outb(crtc_addr, 11); 1389 *end = inb(crtc_addr+1) & 0x1F; 1390} 1391#endif 1392 1393static void 1394cursor_pos(int force) 1395{ 1396 int pos; 1397 1398 if (cur_console->status & UNKNOWN_MODE) 1399 return; 1400 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1401 SCRN_SAVER(1); 1402 pos = cur_console->crtat - cur_console->crt_base; 1403 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1404 cur_cursor_pos = pos; 1405 outb(crtc_addr, 14); 1406 outb(crtc_addr+1, pos>>8); 1407 outb(crtc_addr, 15); 1408 outb(crtc_addr+1, pos&0xff); 1409 } 1410 timeout((timeout_t)cursor_pos, 0, hz/20); 1411} 1412 1413static void 1414clear_screen(scr_stat *scp) 1415{ 1416 move_crsr(scp, 0, 0); 1417 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1418 scp->xsize * scp->ysize); 1419} 1420 1421static int 1422switch_scr(u_int next_scr) 1423{ 1424 if (switch_in_progress && 1425 (cur_console->proc != pfind(cur_console->pid))) 1426 switch_in_progress = 0; 1427 1428 if (next_scr >= NCONS || switch_in_progress 1429 || (cur_console->smode.mode == VT_AUTO 1430 && cur_console->status & UNKNOWN_MODE)) { 1431 sysbeep(BELL_PITCH, BELL_DURATION); 1432 return EINVAL; 1433 } 1434 1435 /* is the wanted virtual console open ? */ 1436 if (next_scr) { 1437 struct tty *tp = VIRTUAL_TTY(next_scr); 1438 if (!(tp->t_state & TS_ISOPEN)) { 1439 sysbeep(BELL_PITCH, BELL_DURATION); 1440 return EINVAL; 1441 } 1442 } 1443 if (in_putc) { /* delay switch if in putc */ 1444 delayed_next_scr = next_scr+1; 1445 return 0; 1446 } 1447 switch_in_progress = 1; 1448 old_scp = cur_console; 1449 new_scp = &console[next_scr]; 1450 wakeup((caddr_t)&new_scp->smode); 1451 if (new_scp == old_scp) { 1452 switch_in_progress = 0; 1453 return 0; 1454 } 1455 1456 /* has controlling process died? */ 1457 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1458 old_scp->smode.mode = VT_AUTO; 1459 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1460 new_scp->smode.mode = VT_AUTO; 1461 1462 /* check the modes and switch approbiatly */ 1463 if (old_scp->smode.mode == VT_PROCESS) { 1464 old_scp->status |= SWITCH_WAIT_REL; 1465 psignal(old_scp->proc, old_scp->smode.relsig); 1466 } 1467 else { 1468 exchange_scr(); 1469 if (new_scp->smode.mode == VT_PROCESS) { 1470 new_scp->status |= SWITCH_WAIT_ACQ; 1471 psignal(new_scp->proc, new_scp->smode.acqsig); 1472 } 1473 else 1474 switch_in_progress = 0; 1475 } 1476 return 0; 1477} 1478 1479static void 1480exchange_scr(void) 1481{ 1482 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1483 old_scp->crt_base = old_scp->scr_buf; 1484 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1485 cur_console = new_scp; 1486 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)) 1487 set_mode(new_scp); 1488 new_scp->crt_base = Crtat; 1489 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1490 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1491 update_leds(new_scp->status); 1492 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1493 if (fonts_loaded & FONT_16_LOADED) 1494 copy_font(LOAD, 0, 16, font_16); 1495 if (fonts_loaded & FONT_8_LOADED) 1496 copy_font(LOAD, 1, 8, font_8); 1497 if (fonts_loaded & FONT_14_LOADED) 1498 copy_font(LOAD, 2, 14, font_14); 1499 load_palette(); 1500 } 1501 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1502 shfts = ctls = alts = agrs = metas = 0; 1503 delayed_next_scr = 0; 1504} 1505 1506static void 1507move_crsr(scr_stat *scp, int x, int y) 1508{ 1509 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1510 return; 1511 scp->xpos = x; 1512 scp->ypos = y; 1513 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1514} 1515 1516static void 1517move_up(u_short *s, u_short *d, u_int len) 1518{ 1519 s += len; 1520 d += len; 1521 while (len-- > 0) 1522 *--d = *--s; 1523} 1524 1525static void 1526move_down(u_short *s, u_short *d, u_int len) 1527{ 1528 while (len-- > 0) 1529 *d++ = *s++; 1530} 1531 1532static void 1533scan_esc(scr_stat *scp, u_char c) 1534{ 1535 static u_char ansi_col[16] = 1536 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1537 int i, n; 1538 u_short *src, *dst, count; 1539 1540 if (scp->term.esc == 1) { 1541 switch (c) { 1542 1543 case '[': /* Start ESC [ sequence */ 1544 scp->term.esc = 2; 1545 scp->term.last_param = -1; 1546 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1547 scp->term.param[i] = 1; 1548 scp->term.num_param = 0; 1549 return; 1550 1551 case 'M': /* Move cursor up 1 line, scroll if at top */ 1552 if (scp->ypos > 0) 1553 move_crsr(scp, scp->xpos, scp->ypos - 1); 1554 else { 1555 move_up(scp->crt_base, 1556 scp->crt_base + scp->xsize, 1557 (scp->ysize - 1) * scp->xsize); 1558 fillw(scp->term.cur_attr | scr_map[0x20], 1559 scp->crt_base, scp->xsize); 1560 } 1561 break; 1562#if notyet 1563 case 'Q': 1564 scp->term.esc = 4; 1565 break; 1566#endif 1567 case 'c': /* Clear screen & home */ 1568 clear_screen(scp); 1569 break; 1570 } 1571 } 1572 else if (scp->term.esc == 2) { 1573 if (c >= '0' && c <= '9') { 1574 if (scp->term.num_param < MAX_ESC_PAR) { 1575 if (scp->term.last_param != scp->term.num_param) { 1576 scp->term.last_param = scp->term.num_param; 1577 scp->term.param[scp->term.num_param] = 0; 1578 } 1579 else 1580 scp->term.param[scp->term.num_param] *= 10; 1581 scp->term.param[scp->term.num_param] += c - '0'; 1582 return; 1583 } 1584 } 1585 scp->term.num_param = scp->term.last_param + 1; 1586 switch (c) { 1587 1588 case ';': 1589 if (scp->term.num_param < MAX_ESC_PAR) 1590 return; 1591 break; 1592 1593 case '=': 1594 scp->term.esc = 3; 1595 scp->term.last_param = -1; 1596 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1597 scp->term.param[i] = 1; 1598 scp->term.num_param = 0; 1599 return; 1600 1601 case 'A': /* up n rows */ 1602 n = scp->term.param[0]; if (n < 1) n = 1; 1603 move_crsr(scp, scp->xpos, scp->ypos - n); 1604 break; 1605 1606 case 'B': /* down n rows */ 1607 n = scp->term.param[0]; if (n < 1) n = 1; 1608 move_crsr(scp, scp->xpos, scp->ypos + n); 1609 break; 1610 1611 case 'C': /* right n columns */ 1612 n = scp->term.param[0]; if (n < 1) n = 1; 1613 move_crsr(scp, scp->xpos + n, scp->ypos); 1614 break; 1615 1616 case 'D': /* left n columns */ 1617 n = scp->term.param[0]; if (n < 1) n = 1; 1618 move_crsr(scp, scp->xpos - n, scp->ypos); 1619 break; 1620 1621 case 'E': /* cursor to start of line n lines down */ 1622 n = scp->term.param[0]; if (n < 1) n = 1; 1623 move_crsr(scp, 0, scp->ypos + n); 1624 break; 1625 1626 case 'F': /* cursor to start of line n lines up */ 1627 n = scp->term.param[0]; if (n < 1) n = 1; 1628 move_crsr(scp, 0, scp->ypos - n); 1629 break; 1630 1631 case 'f': /* System V consoles .. */ 1632 case 'H': /* Cursor move */ 1633 if (scp->term.num_param == 0) 1634 move_crsr(scp, 0, 0); 1635 else if (scp->term.num_param == 2) 1636 move_crsr(scp, scp->term.param[1] - 1, 1637 scp->term.param[0] - 1); 1638 break; 1639 1640 case 'J': /* Clear all or part of display */ 1641 if (scp->term.num_param == 0) 1642 n = 0; 1643 else 1644 n = scp->term.param[0]; 1645 switch (n) { 1646 case 0: /* clear form cursor to end of display */ 1647 fillw(scp->term.cur_attr | scr_map[0x20], 1648 scp->crtat, scp->crt_base + 1649 scp->xsize * scp->ysize - 1650 scp->crtat); 1651 break; 1652 case 1: /* clear from beginning of display to cursor */ 1653 fillw(scp->term.cur_attr | scr_map[0x20], 1654 scp->crt_base, 1655 scp->crtat - scp->crt_base); 1656 break; 1657 case 2: /* clear entire display */ 1658 clear_screen(scp); 1659 break; 1660 } 1661 break; 1662 1663 case 'K': /* Clear all or part of line */ 1664 if (scp->term.num_param == 0) 1665 n = 0; 1666 else 1667 n = scp->term.param[0]; 1668 switch (n) { 1669 case 0: /* clear form cursor to end of line */ 1670 fillw(scp->term.cur_attr | scr_map[0x20], 1671 scp->crtat, scp->xsize - scp->xpos); 1672 break; 1673 case 1: /* clear from beginning of line to cursor */ 1674 fillw(scp->term.cur_attr|scr_map[0x20], 1675 scp->crtat - (scp->xsize - scp->xpos), 1676 (scp->xsize - scp->xpos) + 1); 1677 break; 1678 case 2: /* clear entire line */ 1679 fillw(scp->term.cur_attr|scr_map[0x20], 1680 scp->crtat - (scp->xsize - scp->xpos), 1681 scp->xsize); 1682 break; 1683 } 1684 break; 1685 1686 case 'L': /* Insert n lines */ 1687 n = scp->term.param[0]; if (n < 1) n = 1; 1688 if (n > scp->ysize - scp->ypos) 1689 n = scp->ysize - scp->ypos; 1690 src = scp->crt_base + scp->ypos * scp->xsize; 1691 dst = src + n * scp->xsize; 1692 count = scp->ysize - (scp->ypos + n); 1693 move_up(src, dst, count * scp->xsize); 1694 fillw(scp->term.cur_attr | scr_map[0x20], src, 1695 n * scp->xsize); 1696 break; 1697 1698 case 'M': /* Delete n lines */ 1699 n = scp->term.param[0]; if (n < 1) n = 1; 1700 if (n > scp->ysize - scp->ypos) 1701 n = scp->ysize - scp->ypos; 1702 dst = scp->crt_base + scp->ypos * scp->xsize; 1703 src = dst + n * scp->xsize; 1704 count = scp->ysize - (scp->ypos + n); 1705 move_down(src, dst, count * scp->xsize); 1706 src = dst + count * scp->xsize; 1707 fillw(scp->term.cur_attr | scr_map[0x20], src, 1708 n * scp->xsize); 1709 break; 1710 1711 case 'P': /* Delete n chars */ 1712 n = scp->term.param[0]; if (n < 1) n = 1; 1713 if (n > scp->xsize - scp->xpos) 1714 n = scp->xsize - scp->xpos; 1715 dst = scp->crtat; 1716 src = dst + n; 1717 count = scp->xsize - (scp->xpos + n); 1718 move_down(src, dst, count); 1719 src = dst + count; 1720 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1721 break; 1722 1723 case '@': /* Insert n chars */ 1724 n = scp->term.param[0]; if (n < 1) n = 1; 1725 if (n > scp->xsize - scp->xpos) 1726 n = scp->xsize - scp->xpos; 1727 src = scp->crtat; 1728 dst = src + n; 1729 count = scp->xsize - (scp->xpos + n); 1730 move_up(src, dst, count); 1731 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1732 break; 1733 1734 case 'S': /* scroll up n lines */ 1735 n = scp->term.param[0]; if (n < 1) n = 1; 1736 if (n > scp->ypos) 1737 n = scp->ypos; 1738 bcopy(scp->crt_base + (scp->xsize * n), 1739 scp->crt_base, 1740 scp->xsize * (scp->ysize - n) * 1741 sizeof(u_short)); 1742 fillw(scp->term.cur_attr | scr_map[0x20], 1743 scp->crt_base + scp->xsize * 1744 (scp->ysize - 1), 1745 scp->xsize); 1746 break; 1747 1748 case 'T': /* scroll down n lines */ 1749 n = scp->term.param[0]; if (n < 1) n = 1; 1750 if (n > scp->ysize - scp->ypos) 1751 n = scp->ysize - scp->ypos; 1752 bcopy(scp->crt_base, 1753 scp->crt_base + (scp->xsize * n), 1754 scp->xsize * (scp->ysize - n) * 1755 sizeof(u_short)); 1756 fillw(scp->term.cur_attr | scr_map[0x20], 1757 scp->crt_base, scp->xsize); 1758 break; 1759 1760 case 'X': /* delete n characters in line */ 1761 n = scp->term.param[0]; if (n < 1) n = 1; 1762 if (n > scp->xsize - scp->xpos) 1763 n = scp->xsize - scp->xpos; 1764 fillw(scp->term.cur_attr | scr_map[0x20], 1765 scp->crt_base + scp->xpos + 1766 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1767 break; 1768 1769 case 'Z': /* move n tabs backwards */ 1770 n = scp->term.param[0]; if (n < 1) n = 1; 1771 if ((i = scp->xpos & 0xf8) == scp->xpos) 1772 i -= 8*n; 1773 else 1774 i -= 8*(n-1); 1775 if (i < 0) 1776 i = 0; 1777 move_crsr(scp, i, scp->ypos); 1778 break; 1779 1780 case '`': /* move cursor to column n */ 1781 n = scp->term.param[0]; if (n < 1) n = 1; 1782 move_crsr(scp, n, scp->ypos); 1783 break; 1784 1785 case 'a': /* move cursor n columns to the right */ 1786 n = scp->term.param[0]; if (n < 1) n = 1; 1787 move_crsr(scp, scp->xpos + n, scp->ypos); 1788 break; 1789 1790 case 'd': /* move cursor to row n */ 1791 n = scp->term.param[0]; if (n < 1) n = 1; 1792 move_crsr(scp, scp->xpos, n); 1793 break; 1794 1795 case 'e': /* move cursor n rows down */ 1796 n = scp->term.param[0]; if (n < 1) n = 1; 1797 move_crsr(scp, scp->xpos, scp->ypos + n); 1798 break; 1799 1800 case 'm': /* change attribute */ 1801 if (scp->term.num_param == 0) { 1802 scp->term.cur_attr = scp->term.std_attr; 1803 break; 1804 } 1805 for (i = 0; i < scp->term.num_param; i++) { 1806 switch (n = scp->term.param[i]) { 1807 case 0: /* back to normal */ 1808 scp->term.cur_attr = scp->term.std_attr; 1809 break; 1810 case 1: /* highlight (bold) */ 1811 scp->term.cur_attr &= 0xFF00; 1812 scp->term.cur_attr |= 0x0800; 1813 break; 1814 case 4: /* highlight (underline) */ 1815 scp->term.cur_attr &= 0xFF00; 1816 scp->term.cur_attr |= 0x0800; 1817 break; 1818 case 5: /* blink */ 1819 scp->term.cur_attr &= 0xFF00; 1820 scp->term.cur_attr |= 0x8000; 1821 break; 1822 case 7: /* reverse video */ 1823 scp->term.cur_attr = scp->term.rev_attr; 1824 break; 1825 case 30: case 31: /* set fg color */ 1826 case 32: case 33: case 34: 1827 case 35: case 36: case 37: 1828 scp->term.cur_attr = 1829 (scp->term.cur_attr & 0xF8FF) 1830 | (ansi_col[(n-30) & 7] << 8); 1831 break; 1832 case 40: case 41: /* set bg color */ 1833 case 42: case 43: case 44: 1834 case 45: case 46: case 47: 1835 scp->term.cur_attr = 1836 (scp->term.cur_attr & 0x8FFF) 1837 | (ansi_col[(n-40) & 7] << 12); 1838 break; 1839 } 1840 } 1841 break; 1842 1843 case 'x': 1844 if (scp->term.num_param == 0) 1845 n = 0; 1846 else 1847 n = scp->term.param[0]; 1848 switch (n) { 1849 case 0: /* reset attributes */ 1850 scp->term.cur_attr = scp->term.std_attr = 1851 current_default->std_attr; 1852 scp->term.rev_attr = current_default->rev_attr; 1853 break; 1854 case 1: /* set ansi background */ 1855 scp->term.cur_attr = scp->term.std_attr = 1856 (scp->term.std_attr & 0x0F00) | 1857 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1858 break; 1859 case 2: /* set ansi foreground */ 1860 scp->term.cur_attr = scp->term.std_attr = 1861 (scp->term.std_attr & 0xF000) | 1862 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1863 break; 1864 case 3: /* set ansi attribute directly */ 1865 scp->term.cur_attr = scp->term.std_attr = 1866 (scp->term.param[1]&0xFF)<<8; 1867 break; 1868 case 5: /* set ansi reverse video background */ 1869 scp->term.rev_attr = 1870 (scp->term.rev_attr & 0x0F00) | 1871 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1872 break; 1873 case 6: /* set ansi reverse video foreground */ 1874 scp->term.rev_attr = 1875 (scp->term.rev_attr & 0xF000) | 1876 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1877 break; 1878 case 7: /* set ansi reverse video directly */ 1879 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1880 break; 1881 } 1882 break; 1883 1884 case 'z': /* switch to (virtual) console n */ 1885 if (scp->term.num_param == 1) 1886 switch_scr(scp->term.param[0]); 1887 break; 1888 } 1889 } 1890 else if (scp->term.esc == 3) { 1891 if (c >= '0' && c <= '9') { 1892 if (scp->term.num_param < MAX_ESC_PAR) { 1893 if (scp->term.last_param != scp->term.num_param) { 1894 scp->term.last_param = scp->term.num_param; 1895 scp->term.param[scp->term.num_param] = 0; 1896 } 1897 else 1898 scp->term.param[scp->term.num_param] *= 10; 1899 scp->term.param[scp->term.num_param] += c - '0'; 1900 return; 1901 } 1902 } 1903 scp->term.num_param = scp->term.last_param + 1; 1904 switch (c) { 1905 1906 case ';': 1907 if (scp->term.num_param < MAX_ESC_PAR) 1908 return; 1909 break; 1910 1911 case 'A': /* set display border color */ 1912 if (scp->term.num_param == 1) 1913 scp->border=scp->term.param[0] & 0xff; 1914 if (scp == cur_console) 1915 set_border(scp->border); 1916 break; 1917 1918 case 'B': /* set bell pitch and duration */ 1919 if (scp->term.num_param == 2) { 1920 scp->bell_pitch = scp->term.param[0]; 1921 scp->bell_duration = scp->term.param[1]*10; 1922 } 1923 break; 1924 1925 case 'C': /* set cursor shape (start & end line) */ 1926 if (scp->term.num_param == 2) { 1927 scp->cursor_start = scp->term.param[0] & 0x1F; 1928 scp->cursor_end = scp->term.param[1] & 0x1F; 1929 if (scp == cur_console) 1930 cursor_shape(scp->cursor_start, 1931 scp->cursor_end); 1932 } 1933 break; 1934 1935 case 'F': /* set ansi foreground */ 1936 if (scp->term.num_param == 1) 1937 scp->term.cur_attr = scp->term.std_attr = 1938 (scp->term.std_attr & 0xF000) 1939 | ((scp->term.param[0] & 0x0F) << 8); 1940 break; 1941 1942 case 'G': /* set ansi background */ 1943 if (scp->term.num_param == 1) 1944 scp->term.cur_attr = scp->term.std_attr = 1945 (scp->term.std_attr & 0x0F00) 1946 | ((scp->term.param[0] & 0x0F) << 12); 1947 break; 1948 1949 case 'H': /* set ansi reverse video foreground */ 1950 if (scp->term.num_param == 1) 1951 scp->term.rev_attr = 1952 (scp->term.rev_attr & 0xF000) 1953 | ((scp->term.param[0] & 0x0F) << 8); 1954 break; 1955 1956 case 'I': /* set ansi reverse video background */ 1957 if (scp->term.num_param == 1) 1958 scp->term.rev_attr = 1959 (scp->term.rev_attr & 0x0F00) 1960 | ((scp->term.param[0] & 0x0F) << 12); 1961 break; 1962 } 1963 } 1964 scp->term.esc = 0; 1965} 1966 1967static void 1968ansi_put(scr_stat *scp, u_char c) 1969{ 1970 if (scp->status & UNKNOWN_MODE) 1971 return; 1972 1973 /* make screensaver happy */ 1974 if (scp == cur_console) { 1975 scrn_time_stamp = time.tv_sec; 1976 if (scrn_blanked) 1977 SCRN_SAVER(0); 1978 } 1979 in_putc++; 1980 if (scp->term.esc) 1981 scan_esc(scp, c); 1982 else switch(c) { 1983 case 0x1B: /* start escape sequence */ 1984 scp->term.esc = 1; 1985 scp->term.num_param = 0; 1986 break; 1987 case 0x07: 1988 if (scp == cur_console) 1989 sysbeep(scp->bell_pitch, scp->bell_duration); 1990 break; 1991 case '\t': /* non-destructive tab */ 1992 scp->crtat += (8 - scp->xpos % 8); 1993 scp->xpos += (8 - scp->xpos % 8); 1994 break; 1995 case '\b': /* non-destructive backspace */ 1996 if (scp->crtat > scp->crt_base) { 1997 scp->crtat--; 1998 if (scp->xpos > 0) 1999 scp->xpos--; 2000 else { 2001 scp->xpos += scp->xsize - 1; 2002 scp->ypos--; 2003 } 2004 } 2005 break; 2006 case '\r': /* return to pos 0 */ 2007 move_crsr(scp, 0, scp->ypos); 2008 break; 2009 case '\n': /* newline, same pos */ 2010 scp->crtat += scp->xsize; 2011 scp->ypos++; 2012 break; 2013 case '\f': /* form feed, clears screen */ 2014 clear_screen(scp); 2015 break; 2016 default: 2017 /* Print only printables */ 2018 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 2019 scp->crtat++; 2020 if (++scp->xpos >= scp->xsize) { 2021 scp->xpos = 0; 2022 scp->ypos++; 2023 } 2024 break; 2025 } 2026 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 2027 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 2028 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2029 fillw(scp->term.cur_attr | scr_map[0x20], 2030 scp->crt_base + scp->xsize * (scp->ysize - 1), 2031 scp->xsize); 2032 scp->crtat -= scp->xsize; 2033 scp->ypos--; 2034 } 2035 in_putc--; 2036 if (delayed_next_scr) 2037 switch_scr(delayed_next_scr - 1); 2038} 2039 2040static void 2041scinit(void) 2042{ 2043 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 2044 unsigned cursorat; 2045 int start = -1, end = -1, i; 2046 scr_stat *scp; 2047 2048 /* 2049 * catch that once in a blue moon occurence when scinit is called 2050 * TWICE, adding the CGA_BUF offset again -> poooff 2051 */ 2052 if (crtat != 0) 2053 return; 2054 /* 2055 * Crtat initialized to point to MONO buffer, if not present change 2056 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 2057 * in the remapped offset at the "right" time 2058 */ 2059 was = *cp; 2060 *cp = (u_short) 0xA55A; 2061 if (*cp != 0xA55A) 2062 crtc_addr = MONO_BASE; 2063 else { 2064 *cp = was; 2065 crtc_addr = COLOR_BASE; 2066 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2067 } 2068 2069 /* Extract cursor location */ 2070 outb(crtc_addr,14); 2071 cursorat = inb(crtc_addr+1)<<8 ; 2072 outb(crtc_addr,15); 2073 cursorat |= inb(crtc_addr+1); 2074 crtat = Crtat + cursorat; 2075 2076 /* is this a VGA or higher ? */ 2077 outb(crtc_addr, 7); 2078 if (inb(crtc_addr) == 7) { 2079 crtc_vga = 1; 2080#if defined(FAT_CURSOR) 2081 start = 0; 2082 end = 18; 2083 cursor_shape(start, end); 2084#else 2085 get_cursor_shape(&start, &end); 2086#endif 2087 } 2088 current_default = &user_default; 2089 for (i = 0; i < NCONS; i++) { 2090 scp = &console[i]; 2091 scp->mode = M_VGA_C80x25; 2092 scp->term.esc = 0; 2093 scp->term.std_attr = current_default->std_attr; 2094 scp->term.rev_attr = current_default->rev_attr; 2095 scp->term.cur_attr = scp->term.std_attr; 2096 scp->border = BG_BLACK; 2097 scp->cursor_start = start; 2098 scp->cursor_end = end; 2099 scp->xsize = COL; 2100 scp->ysize = ROW; 2101 scp->bell_pitch = BELL_PITCH; 2102 scp->bell_duration = BELL_DURATION; 2103#ifndef LAPTOP 2104 scp->status = NLKED; 2105#else 2106 scp->status = 0; 2107#endif 2108 scp->pid = 0; 2109 scp->proc = NULL; 2110 scp->smode.mode = VT_AUTO; 2111 if (i == 0) { 2112 scp->xpos = cursorat % COL; 2113 scp->ypos = cursorat / COL; 2114 scp->crt_base = Crtat; 2115 scp->crtat = crtat; 2116 } 2117 } 2118 kernel_console.esc = 0; 2119 kernel_console.std_attr = kernel_default.std_attr; 2120 kernel_console.rev_attr = kernel_default.rev_attr; 2121 kernel_console.cur_attr = kernel_default.std_attr; 2122 /* initialize mapscrn array to a one to one map */ 2123 for (i=0; i<sizeof(scr_map); i++) 2124 scr_map[i] = i; 2125} 2126 2127static void 2128scput(u_char c) 2129{ 2130 scr_stat *scp = &console[0]; 2131 term_stat save; 2132 2133 if (crtat == 0) 2134 scinit(); 2135 if( in_putc == 0) { 2136 ++in_putc; 2137 save = scp->term; 2138 scp->term = kernel_console; 2139 current_default = &kernel_default; 2140 ansi_put(scp, c); 2141 kernel_console = scp->term; 2142 current_default = &user_default; 2143 scp->term = save; 2144 --in_putc; 2145 } else { 2146 if( console_buffer_count < CONSOLE_BUFSIZE) 2147 console_buffer[console_buffer_count++] = c; 2148 } 2149} 2150 2151static u_char 2152*get_fstr(u_int c, u_int *len) 2153{ 2154 u_int i; 2155 2156 if (!(c & FKEY)) 2157 return(NULL); 2158 i = (c & 0xFF) - F_FN; 2159 if (i > n_fkey_tab) 2160 return(NULL); 2161 *len = fkey_tab[i].len; 2162 return(fkey_tab[i].str); 2163} 2164 2165static void 2166update_leds(int which) 2167{ 2168 int s; 2169 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2170 2171 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2172 if (key_map.n_keys > ALTGR_OFFSET) { 2173 if (which & ALKED) 2174 which |= CLKED; 2175 else 2176 which &= ~CLKED; 2177 } 2178 s = spltty(); 2179 kbd_cmd(KB_SETLEDS); 2180 kbd_cmd(xlate_leds[which & LED_MASK]); 2181 splx(s); 2182} 2183 2184/* 2185 * scgetc(noblock) - get character from keyboard. 2186 * If noblock = 0 wait until a key is pressed. 2187 * Else return NOKEY. 2188 */ 2189u_int 2190scgetc(int noblock) 2191{ 2192 u_char scancode, keycode; 2193 u_int state, action; 2194 struct key_t *key; 2195 static u_char esc_flag = 0, compose = 0; 2196 static u_int chr = 0; 2197 2198next_code: 2199 kbd_wait(); 2200 /* First see if there is something in the keyboard port */ 2201 if (inb(KB_STAT) & KB_BUF_FULL) 2202 scancode = inb(KB_DATA); 2203 else if (noblock) 2204 return(NOKEY); 2205 else 2206 goto next_code; 2207 2208 if (cur_console->status & KBD_RAW_MODE) 2209 return scancode; 2210#if ASYNCH 2211 if (scancode == KB_ACK || scancode == KB_RESEND) { 2212 kbd_reply = scancode; 2213 if (noblock) 2214 return(NOKEY); 2215 goto next_code; 2216 } 2217#endif 2218 keycode = scancode & 0x7F; 2219 switch (esc_flag) { 2220 case 0x00: /* normal scancode */ 2221 switch(scancode) { 2222 case 0xB8: /* left alt (compose key) */ 2223 if (compose) { 2224 compose = 0; 2225 if (chr > 255) { 2226 sysbeep(BELL_PITCH, BELL_DURATION); 2227 chr = 0; 2228 } 2229 } 2230 break; 2231 case 0x38: 2232 if (!compose) { 2233 compose = 1; 2234 chr = 0; 2235 } 2236 break; 2237 case 0xE0: 2238 case 0xE1: 2239 esc_flag = scancode; 2240 goto next_code; 2241 } 2242 break; 2243 case 0xE0: /* 0xE0 prefix */ 2244 esc_flag = 0; 2245 switch (keycode) { 2246 case 0x1C: /* right enter key */ 2247 keycode = 0x59; 2248 break; 2249 case 0x1D: /* right ctrl key */ 2250 keycode = 0x5A; 2251 break; 2252 case 0x35: /* keypad divide key */ 2253 keycode = 0x5B; 2254 break; 2255 case 0x37: /* print scrn key */ 2256 keycode = 0x5C; 2257 break; 2258 case 0x38: /* right alt key (alt gr) */ 2259 keycode = 0x5D; 2260 break; 2261 case 0x47: /* grey home key */ 2262 keycode = 0x5E; 2263 break; 2264 case 0x48: /* grey up arrow key */ 2265 keycode = 0x5F; 2266 break; 2267 case 0x49: /* grey page up key */ 2268 keycode = 0x60; 2269 break; 2270 case 0x4B: /* grey left arrow key */ 2271 keycode = 0x61; 2272 break; 2273 case 0x4D: /* grey right arrow key */ 2274 keycode = 0x62; 2275 break; 2276 case 0x4F: /* grey end key */ 2277 keycode = 0x63; 2278 break; 2279 case 0x50: /* grey down arrow key */ 2280 keycode = 0x64; 2281 break; 2282 case 0x51: /* grey page down key */ 2283 keycode = 0x65; 2284 break; 2285 case 0x52: /* grey insert key */ 2286 keycode = 0x66; 2287 break; 2288 case 0x53: /* grey delete key */ 2289 keycode = 0x67; 2290 break; 2291 default: /* ignore everything else */ 2292 goto next_code; 2293 } 2294 break; 2295 case 0xE1: /* 0xE1 prefix */ 2296 esc_flag = 0; 2297 if (keycode == 0x1D) 2298 esc_flag = 0x1D; 2299 goto next_code; 2300 /* NOT REACHED */ 2301 case 0x1D: /* pause / break */ 2302 esc_flag = 0; 2303 if (keycode != 0x45) 2304 goto next_code; 2305 keycode = 0x68; 2306 break; 2307 } 2308 2309 if (compose) { 2310 switch (scancode) { 2311 /* key pressed process it */ 2312 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2313 chr = (scancode - 0x40) + chr*10; 2314 goto next_code; 2315 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2316 chr = (scancode - 0x47) + chr*10; 2317 goto next_code; 2318 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2319 chr = (scancode - 0x4E) + chr*10; 2320 goto next_code; 2321 case 0x52: /* keypad 0 */ 2322 chr *= 10; 2323 goto next_code; 2324 2325 /* key release, no interest here */ 2326 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2327 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2328 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2329 case 0xD2: /* keypad 0 */ 2330 goto next_code; 2331 2332 case 0x38: /* left alt key */ 2333 break; 2334 default: 2335 if (chr) { 2336 compose = chr = 0; 2337 sysbeep(BELL_PITCH, BELL_DURATION); 2338 goto next_code; 2339 } 2340 break; 2341 } 2342 } 2343 2344 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2345 if ((!agrs && (cur_console->status & ALKED)) 2346 || (agrs && !(cur_console->status & ALKED))) 2347 keycode += ALTGR_OFFSET; 2348 key = &key_map.key[keycode]; 2349 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2350 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2351 state ^= 1; 2352 2353 /* Check for make/break */ 2354 action = key->map[state]; 2355 if (scancode & 0x80) { /* key released */ 2356 if (key->spcl & 0x80) { 2357 switch (action) { 2358 case LSH: 2359 shfts &= ~1; 2360 break; 2361 case RSH: 2362 shfts &= ~2; 2363 break; 2364 case LCTR: 2365 ctls &= ~1; 2366 break; 2367 case RCTR: 2368 ctls &= ~2; 2369 break; 2370 case LALT: 2371 alts &= ~1; 2372 break; 2373 case RALT: 2374 alts &= ~2; 2375 break; 2376 case NLK: 2377 nlkcnt = 0; 2378 break; 2379 case CLK: 2380 clkcnt = 0; 2381 break; 2382 case SLK: 2383 slkcnt = 0; 2384 break; 2385 case ASH: 2386 agrs = 0; 2387 break; 2388 case ALK: 2389 alkcnt = 0; 2390 break; 2391 case META: 2392 metas = 0; 2393 break; 2394 } 2395 } 2396 if (chr && !compose) { 2397 action = chr; 2398 chr = 0; 2399 return(action); 2400 } 2401 } else { 2402 /* key pressed */ 2403 if (key->spcl & (0x80>>state)) { 2404 switch (action) { 2405 /* LOCKING KEYS */ 2406 case NLK: 2407 if (!nlkcnt) { 2408 nlkcnt++; 2409 if (cur_console->status & NLKED) 2410 cur_console->status &= ~NLKED; 2411 else 2412 cur_console->status |= NLKED; 2413 update_leds(cur_console->status); 2414 } 2415 break; 2416 case CLK: 2417 if (!clkcnt) { 2418 clkcnt++; 2419 if (cur_console->status & CLKED) 2420 cur_console->status &= ~CLKED; 2421 else 2422 cur_console->status |= CLKED; 2423 update_leds(cur_console->status); 2424 } 2425 break; 2426 case SLK: 2427 if (!slkcnt) { 2428 slkcnt++; 2429 if (cur_console->status & SLKED) { 2430 cur_console->status &= ~SLKED; 2431 pcstart(VIRTUAL_TTY(get_scr_num())); 2432 } 2433 else 2434 cur_console->status |= SLKED; 2435 update_leds(cur_console->status); 2436 } 2437 break; 2438 case ALK: 2439 if (!alkcnt) { 2440 alkcnt++; 2441 if (cur_console->status & ALKED) 2442 cur_console->status &= ~ALKED; 2443 else 2444 cur_console->status |= ALKED; 2445 update_leds(cur_console->status); 2446 } 2447 break; 2448 2449 /* NON-LOCKING KEYS */ 2450 case NOP: 2451 break; 2452 case RBT: 2453 shutdown_nice(); 2454 break; 2455 case SUSP: 2456 break; 2457 2458 case DBG: 2459#ifdef DDB /* try to switch to console 0 */ 2460 if (cur_console->smode.mode == VT_AUTO && 2461 console[0].smode.mode == VT_AUTO) 2462 switch_scr(0); 2463 Debugger("manual escape to debugger"); 2464 return(NOKEY); 2465#else 2466 printf("No debugger in kernel\n"); 2467#endif 2468 break; 2469 case LSH: 2470 shfts |= 1; 2471 break; 2472 case RSH: 2473 shfts |= 2; 2474 break; 2475 case LCTR: 2476 ctls |= 1; 2477 break; 2478 case RCTR: 2479 ctls |= 2; 2480 break; 2481 case LALT: 2482 alts |= 1; 2483 break; 2484 case RALT: 2485 alts |= 2; 2486 break; 2487 case ASH: 2488 agrs = 1; 2489 break; 2490 case META: 2491 metas = 1; 2492 break; 2493 case NEXT: 2494 switch_scr((get_scr_num()+1)%NCONS); 2495 break; 2496 default: 2497 if (action >= F_SCR && action <= L_SCR) { 2498 switch_scr(action - F_SCR); 2499 break; 2500 } 2501 if (action >= F_FN && action <= L_FN) 2502 action |= FKEY; 2503 return(action); 2504 } 2505 } 2506 else { 2507 if (metas) 2508 action |= MKEY; 2509 return(action); 2510 } 2511 } 2512 goto next_code; 2513} 2514 2515int 2516getchar(void) 2517{ 2518 u_char thechar; 2519 int s; 2520 2521 polling = 1; 2522 s = splhigh(); 2523 scput('>'); 2524 thechar = (u_char) scgetc(0); 2525 polling = 0; 2526 splx(s); 2527 switch (thechar) { 2528 default: 2529 if (thechar >= scr_map[0x20]) 2530 scput(thechar); 2531 return(thechar); 2532 case cr: 2533 case lf: 2534 scput(cr); scput(lf); 2535 return(lf); 2536 case bs: 2537 case del: 2538 scput(bs); scput(scr_map[0x20]); scput(bs); 2539 return(thechar); 2540 case cntld: 2541 scput('^'); scput('D'); scput('\r'); scput('\n'); 2542 return(0); 2543 } 2544} 2545 2546u_int 2547sgetc(int noblock) 2548{ 2549 return (scgetc(noblock) & 0xff); 2550} 2551 2552int 2553pcmmap(dev_t dev, int offset, int nprot) 2554{ 2555 if (offset > 0x20000) 2556 return EINVAL; 2557 return i386_btop((VIDEOMEM + offset)); 2558} 2559 2560static void 2561kbd_wait(void) 2562{ 2563 int i = 1000; 2564 2565 while (i--) { 2566 if ((inb(KB_STAT) & KB_READY) == 0) 2567 break; 2568 DELAY (10); 2569 } 2570} 2571 2572static void 2573kbd_cmd(u_char command) 2574{ 2575 int retry = 5; 2576 do { 2577 int i = 100000; 2578 2579 kbd_wait(); 2580#if ASYNCH 2581 kbd_reply = 0; 2582 outb(KB_DATA, command); 2583 while (i--) { 2584 if (kbd_reply == KB_ACK) 2585 return; 2586 if (kbd_reply == KB_RESEND) 2587 break; 2588 } 2589#else 2590 outb(KB_DATA, command); 2591 while (i--) { 2592 if (inb(KB_STAT) & KB_BUF_FULL) { 2593 int val; 2594 DELAY(10); 2595 val = inb(KB_DATA); 2596 if (val == KB_ACK) 2597 return; 2598 if (val == KB_RESEND) 2599 break; 2600 } 2601 } 2602#endif 2603 } while (retry--); 2604} 2605 2606static void 2607set_mode(scr_stat *scp) 2608{ 2609 char *modetable; 2610 char special_modetable[64]; 2611 int mode, font_size; 2612 2613 if (scp != cur_console) 2614 return; 2615 2616 /* mode change only on VGA's */ 2617 if (!crtc_vga) { 2618 /* (re)activate cursor */ 2619 untimeout((timeout_t)cursor_pos, 0); 2620 cursor_pos(1); 2621 return; 2622 } 2623 2624 /* setup video hardware for the given mode */ 2625 switch (scp->mode) { 2626 case M_VGA_C80x50: 2627 bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 2628 special_modetable[2] = 8; 2629 special_modetable[19] = 7; 2630 modetable = special_modetable; 2631 goto setup_mode; 2632 2633 case M_VGA_M80x50: 2634 bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 2635 special_modetable[2] = 8; 2636 special_modetable[19] = 7; 2637 modetable = special_modetable; 2638 goto setup_mode; 2639 2640 case M_ENH_B80x43: 2641 bcopy(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 2642 special_modetable[2] = 8; 2643 special_modetable[19] = 7; 2644 special_modetable[28] = 87; 2645 modetable = special_modetable; 2646 goto setup_mode; 2647 2648 case M_ENH_C80x43: 2649 bcopy(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 2650 special_modetable[2] = 8; 2651 special_modetable[19] = 7; 2652 special_modetable[28] = 87; 2653 modetable = special_modetable; 2654 goto setup_mode; 2655 2656 case M_VGA_C40x25: case M_VGA_C80x25: /* VGA TEXT MODES */ 2657 case M_VGA_M80x25: 2658 case M_B40x25: case M_C40x25: 2659 case M_B80x25: case M_C80x25: 2660 case M_ENH_B40x25: case M_ENH_C40x25: 2661 case M_ENH_B80x25: case M_ENH_C80x25: 2662 2663 modetable = (char*)(video_mode_ptr + (scp->mode * 64)); 2664setup_mode: 2665 set_vgaregs(modetable); 2666 font_size = *(modetable + 2); 2667 /* change cursor type if set */ 2668 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2669 cursor_shape( 2670 (scp->cursor_start >= font_size) 2671 ? font_size - 1 2672 : scp->cursor_start, 2673 (scp->cursor_end >= font_size) 2674 ? font_size - 1 2675 : scp->cursor_end); 2676 2677 /* set font type (size) */ 2678 switch (font_size) { 2679 case 0x08: 2680 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2681 break; 2682 case 0x0E: 2683 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2684 break; 2685 case 0x10: 2686 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2687 break; 2688 default: 2689 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2690 } 2691 2692 /* (re)activate cursor */ 2693 untimeout((timeout_t)cursor_pos, 0); 2694 cursor_pos(1); 2695 break; 2696 2697 case M_BG320: case M_CG320: case M_BG640: 2698 case M_CG320_D: case M_CG640_E: 2699 case M_CG640x350: case M_ENH_CG640: 2700 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2701 2702 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2703 break; 2704 2705 default: 2706 /* call user defined function XXX */ 2707 break; 2708 } 2709 2710 /* set border color for this (virtual) console */ 2711 set_border(scp->border); 2712 return; 2713} 2714 2715static void 2716set_border(int color) 2717{ 2718 inb(crtc_addr+6); /* reset flip-flop */ 2719 outb(ATC, 0x11); outb(ATC, color); 2720 inb(crtc_addr+6); /* reset flip-flop */ 2721 outb(ATC, 0x20); /* enable Palette */ 2722} 2723 2724static void 2725set_vgaregs(char *modetable) 2726{ 2727 int i, s = splhigh(); 2728 2729 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2730 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2731 for (i=0; i<4; i++) { /* program sequencer */ 2732 outb(TSIDX, i+1); 2733 outb(TSREG, modetable[i+5]); 2734 } 2735 outb(MISC, modetable[9]); /* set dot-clock */ 2736 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2737 outb(crtc_addr, 0x11); 2738 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2739 for (i=0; i<25; i++) { /* program crtc */ 2740 outb(crtc_addr, i); 2741 outb(crtc_addr+1, modetable[i+10]); 2742 } 2743 inb(crtc_addr+6); /* reset flip-flop */ 2744 for (i=0; i<20; i++) { /* program attribute ctrl */ 2745 outb(ATC, i); 2746 outb(ATC, modetable[i+35]); 2747 } 2748 for (i=0; i<9; i++) { /* program graph data ctrl */ 2749 outb(GDCIDX, i); 2750 outb(GDCREG, modetable[i+55]); 2751 } 2752 inb(crtc_addr+6); /* reset flip-flop */ 2753 outb(ATC ,0x20); /* enable palette */ 2754 splx(s); 2755} 2756 2757static void 2758copy_font(int direction, int segment, int size, char* font) 2759{ 2760 int ch, line, s; 2761 u_char val; 2762 2763 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2764 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2765 2766 /* setup vga for loading fonts (graphics plane mode) */ 2767 inb(crtc_addr+6); /* reset flip/flop */ 2768 outb(ATC, 0x30); outb(ATC, 0x01); 2769 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2770 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2771 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2772 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2773 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2774 for (ch=0; ch < 256; ch++) 2775 for (line=0; line < size; line++) 2776 if (direction) 2777 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2778 font[(ch*size)+line]; 2779 else 2780 font[(ch*size)+line] = 2781 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line); 2782 /* setup vga for text mode again */ 2783 s = splhigh(); 2784 inb(crtc_addr+6); /* reset flip/flop */ 2785 outb(ATC, 0x30); outb(ATC, 0x0C); 2786 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2787 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2788 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2789 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2790 if (crtc_addr == MONO_BASE) { 2791 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2792 } 2793 else { 2794 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2795 } 2796 splx(s); 2797 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2798 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2799} 2800 2801static void 2802load_palette(void) 2803{ 2804 int i; 2805 2806 outb(PIXMASK, 0xFF); /* no pixelmask */ 2807 outb(PALWADR, 0x00); 2808 for (i=0x00; i<0x300; i++) 2809 outb(PALDATA, palette[i]); 2810 inb(crtc_addr+6); /* reset flip/flop */ 2811 outb(ATC, 0x20); /* enable palette */ 2812} 2813 2814static void 2815save_palette(void) 2816{ 2817 int i; 2818 2819 outb(PALRADR, 0x00); 2820 for (i=0x00; i<0x300; i++) 2821 palette[i] = inb(PALDATA); 2822 inb(crtc_addr+6); /* reset flip/flop */ 2823} 2824 2825#endif /* NSC */ 2826