syscons.c revision 3728
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 1.69 1994/10/18 03:34:53 ache Exp $ 39 */ 40 41#include "sc.h" 42 43#if NSC > 0 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/conf.h> 48#include <sys/ioctl.h> 49#include <sys/proc.h> 50#include <sys/user.h> 51#include <sys/tty.h> 52#include <sys/uio.h> 53#include <sys/callout.h> 54#include <sys/kernel.h> 55#include <sys/syslog.h> 56#include <sys/errno.h> 57#include <sys/malloc.h> 58#include <machine/console.h> 59#include <machine/psl.h> 60#include <machine/frame.h> 61#include <machine/pc/display.h> 62#include <i386/isa/isa.h> 63#include <i386/isa/isa_device.h> 64#include <i386/isa/timerreg.h> 65#include <i386/isa/kbdtables.h> 66#include <i386/i386/cons.h> 67 68#if !defined(NCONS) 69#define NCONS 12 70#endif 71 72#if defined(HARDFONTS) 73#include <i386/isa/iso8859.font> 74#endif 75 76/* status flags */ 77#define LOCK_KEY_MASK 0x0000F 78#define LED_MASK 0x00007 79#define UNKNOWN_MODE 0x00010 80#define KBD_RAW_MODE 0x00020 81#define SWITCH_WAIT_REL 0x00040 82#define SWITCH_WAIT_ACQ 0x00080 83 84/* video hardware memory addresses */ 85#define VIDEOMEM 0x000A0000 86 87/* misc defines */ 88#define MAX_ESC_PAR 5 89#define LOAD 1 90#define SAVE 0 91#define COL 80 92#define ROW 25 93#define BELL_DURATION 5 94#define BELL_PITCH 800 95#define TIMER_FREQ 1193182 /* should be in isa.h */ 96#define CONSOLE_BUFSIZE 1024 97#define PCBURST 128 98#define FONT_8_LOADED 0x001 99#define FONT_14_LOADED 0x002 100#define FONT_16_LOADED 0x004 101 102/* defines related to hardware addresses */ 103#define MONO_BASE 0x3B4 /* crt controller base mono */ 104#define COLOR_BASE 0x3D4 /* crt controller base color */ 105#define MISC 0x3C2 /* misc output register */ 106#define ATC IO_VGA+0x00 /* attribute controller */ 107#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 108#define TSREG IO_VGA+0x05 /* timing sequencer data */ 109#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 110#define PALRADR IO_VGA+0x07 /* palette read address */ 111#define PALWADR IO_VGA+0x08 /* palette write address */ 112#define PALDATA IO_VGA+0x09 /* palette data register */ 113#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 114#define GDCREG IO_VGA+0x0F /* graph data controller data */ 115 116/* special characters */ 117#define cntlc 0x03 118#define cntld 0x04 119#define bs 0x08 120#define lf 0x0a 121#define cr 0x0d 122#define del 0x7f 123 124typedef struct term_stat { 125 int esc; /* processing escape sequence */ 126 int num_param; /* # of parameters to ESC */ 127 int last_param; /* last parameter # */ 128 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 129 int cur_attr; /* current attributes */ 130 int std_attr; /* normal attributes */ 131 int rev_attr; /* reverse attributes */ 132} term_stat; 133 134typedef struct scr_stat { 135 u_short *crt_base; /* address of screen memory */ 136 u_short *scr_buf; /* buffer when off screen */ 137 u_short *crtat; /* cursor address */ 138 int xpos; /* current X position */ 139 int ypos; /* current Y position */ 140 int xsize; /* X size */ 141 int ysize; /* Y size */ 142 term_stat term; /* terminal emulation stuff */ 143 char cursor_start; /* cursor start line # */ 144 char cursor_end; /* cursor end line # */ 145 u_char border; /* border color */ 146 u_short bell_duration; 147 u_short bell_pitch; 148 u_short status; /* status (bitfield) */ 149 u_short mode; /* mode */ 150 pid_t pid; /* pid of controlling proc */ 151 struct proc *proc; /* proc* of controlling proc */ 152 struct vt_mode smode; /* switch mode */ 153} scr_stat; 154 155typedef struct default_attr { 156 int std_attr; /* normal attributes */ 157 int rev_attr; /* reverse attributes */ 158} default_attr; 159 160static default_attr user_default = { 161 (FG_LIGHTGREY | BG_BLACK) << 8, 162 (FG_BLACK | BG_LIGHTGREY) << 8 163}; 164 165static default_attr kernel_default = { 166 (FG_WHITE | BG_BLACK) << 8, 167 (FG_BLACK | BG_LIGHTGREY) << 8 168}; 169 170static scr_stat console[NCONS]; 171static scr_stat *cur_console = &console[0]; 172static scr_stat *new_scp, *old_scp; 173static term_stat kernel_console; 174static default_attr *current_default; 175static int console_buffer_count; 176static char console_buffer[CONSOLE_BUFSIZE]; 177static int switch_in_progress = 0; 178static u_short *crtat = 0; 179static u_int crtc_addr = MONO_BASE; 180static char crtc_vga = 0; 181static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 182static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 183static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 184static int fonts_loaded = 0; 185static char palette[3*256]; 186static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 187static int cur_cursor_pos = -1; 188static char in_putc = 0; 189static char polling = 0; 190#if ASYNCH 191static u_char kbd_reply = 0; 192#endif 193static int delayed_next_scr; 194static char saved_console = -1; /* saved console number */ 195static long scrn_blank_time = 0; /* screen saver timeout value */ 196static int scrn_blanked = 0; /* screen saver active flag */ 197static int scrn_saver = 0; /* screen saver routine */ 198static long scrn_time_stamp; 199static u_char scr_map[256]; 200 201/* function prototypes */ 202int pcprobe(struct isa_device *dev); 203int pcattach(struct isa_device *dev); 204int pcopen(dev_t dev, int flag, int mode, struct proc *p); 205int pcclose(dev_t dev, int flag, int mode, struct proc *p); 206int pcread(dev_t dev, struct uio *uio, int flag); 207int pcwrite(dev_t dev, struct uio *uio, int flag); 208int pcparam(struct tty *tp, struct termios *t); 209int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 210void pcxint(dev_t dev); 211void pcstart(struct tty *tp); 212void pccnprobe(struct consdev *cp); 213void pccninit(struct consdev *cp); 214void pccnputc(dev_t dev, char c); 215int pccngetc(dev_t dev); 216int pccncheckc(dev_t dev); 217void scintr(int unit); 218int pcmmap(dev_t dev, int offset, int nprot); 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 1187int 1188pccncheckc(dev_t dev) 1189{ 1190 return (scgetc(1) & 0xff); 1191} 1192 1193static void 1194none_saver(int test) 1195{ 1196} 1197 1198static void 1199fade_saver(int test) 1200{ 1201 static int count = 0; 1202 int i; 1203 1204 if (test) { 1205 scrn_blanked = 1; 1206 if (count < 64) { 1207 outb(PIXMASK, 0xFF); /* no pixelmask */ 1208 outb(PALWADR, 0x00); 1209 outb(PALDATA, 0); 1210 outb(PALDATA, 0); 1211 outb(PALDATA, 0); 1212 for (i = 3; i < 768; i++) { 1213 if (palette[i] - count > 15) 1214 outb(PALDATA, palette[i]-count); 1215 else 1216 outb(PALDATA, 15); 1217 } 1218 inb(crtc_addr+6); /* reset flip/flop */ 1219 outb(ATC, 0x20); /* enable palette */ 1220 count++; 1221 } 1222 } 1223 else { 1224 count = scrn_blanked = 0; 1225 load_palette(); 1226 } 1227} 1228 1229static void 1230blank_saver(int test) 1231{ 1232 u_char val; 1233 if (test) { 1234 scrn_blanked = 1; 1235 outb(TSIDX, 0x01); val = inb(TSREG); 1236 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1237 } 1238 else { 1239 scrn_blanked = 0; 1240 outb(TSIDX, 0x01); val = inb(TSREG); 1241 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1242 } 1243} 1244 1245static void 1246green_saver(int test) 1247{ 1248 u_char val; 1249 if (test) { 1250 scrn_blanked = 1; 1251 outb(TSIDX, 0x01); val = inb(TSREG); 1252 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1253 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1254 outb(crtc_addr + 1, val & ~0x80); 1255 } 1256 else { 1257 scrn_blanked = 0; 1258 outb(TSIDX, 0x01); val = inb(TSREG); 1259 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1260 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1261 outb(crtc_addr + 1, val | 0x80); 1262 } 1263} 1264 1265#define NUM_STARS 50 1266 1267/* 1268 * Alternate saver that got its inspiration from a well known utility 1269 * package for an inferior^H^H^H^H^H^Hfamous OS. 1270 */ 1271static void 1272star_saver(int test) 1273{ 1274 scr_stat *scp = cur_console; 1275 int cell, i; 1276 char pattern[] = {"...........++++*** "}; 1277 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1278 FG_WHITE, FG_LIGHTCYAN}; 1279 static u_short stars[NUM_STARS][2]; 1280 1281 if (test) { 1282 if (!scrn_blanked) { 1283 bcopy(Crtat, scp->scr_buf, 1284 scp->xsize * scp->ysize * 2); 1285 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1286 scp->xsize * scp->ysize); 1287 set_border(0); 1288 i = scp->ysize * scp->xsize + 5; 1289 outb(crtc_addr, 14); 1290 outb(crtc_addr+1, i >> 8); 1291 outb(crtc_addr, 15); 1292 outb(crtc_addr+1, i & 0xff); 1293 scrn_blanked = 1; 1294 for(i=0; i<NUM_STARS; i++) { 1295 stars[i][0] = 1296 random() % (scp->xsize*scp->ysize); 1297 stars[i][1] = 0; 1298 } 1299 } 1300 cell = random() % NUM_STARS; 1301 *((u_short*)(Crtat + stars[cell][0])) = 1302 scr_map[pattern[stars[cell][1]]] | 1303 colors[random()%sizeof(colors)] << 8; 1304 if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) { 1305 stars[cell][0] = random() % (scp->xsize*scp->ysize); 1306 stars[cell][1] = 0; 1307 } 1308 } 1309 else { 1310 if (scrn_blanked) { 1311 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1312 cur_cursor_pos = -1; 1313 set_border(scp->border); 1314 scrn_blanked = 0; 1315 } 1316 } 1317} 1318 1319static void 1320snake_saver(int test) 1321{ 1322 const char saves[] = {"FreeBSD-2.0"}; 1323 static u_char *savs[sizeof(saves)-1]; 1324 static int dirx, diry; 1325 int f; 1326 scr_stat *scp = cur_console; 1327 1328 if (test) { 1329 if (!scrn_blanked) { 1330 bcopy(Crtat, scp->scr_buf, 1331 scp->xsize * scp->ysize * 2); 1332 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1333 Crtat, scp->xsize * scp->ysize); 1334 set_border(0); 1335 dirx = (scp->xpos ? 1 : -1); 1336 diry = (scp->ypos ? 1337 scp->xsize : -scp->xsize); 1338 for (f=0; f< sizeof(saves)-1; f++) 1339 savs[f] = (u_char *)Crtat + 2 * 1340 (scp->xpos+scp->ypos*scp->xsize); 1341 *(savs[0]) = scr_map[*saves]; 1342 f = scp->ysize * scp->xsize + 5; 1343 outb(crtc_addr, 14); 1344 outb(crtc_addr+1, f >> 8); 1345 outb(crtc_addr, 15); 1346 outb(crtc_addr+1, f & 0xff); 1347 scrn_blanked = 1; 1348 } 1349 if (scrn_blanked++ < 4) 1350 return; 1351 scrn_blanked = 1; 1352 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1353 for (f=sizeof(saves)-2; f > 0; f--) 1354 savs[f] = savs[f-1]; 1355 f = (savs[0] - (u_char *)Crtat) / 2; 1356 if ((f % scp->xsize) == 0 || 1357 (f % scp->xsize) == scp->xsize - 1 || 1358 (random() % 50) == 0) 1359 dirx = -dirx; 1360 if ((f / scp->xsize) == 0 || 1361 (f / scp->xsize) == scp->ysize - 1 || 1362 (random() % 20) == 0) 1363 diry = -diry; 1364 savs[0] += 2*dirx + 2*diry; 1365 for (f=sizeof(saves)-2; f>=0; f--) 1366 *(savs[f]) = scr_map[saves[f]]; 1367 } 1368 else { 1369 if (scrn_blanked) { 1370 bcopy(scp->scr_buf, Crtat, 1371 scp->xsize * scp->ysize * 2); 1372 cur_cursor_pos = -1; 1373 set_border(scp->border); 1374 scrn_blanked = 0; 1375 } 1376 } 1377} 1378 1379static void 1380cursor_shape(int start, int end) 1381{ 1382 outb(crtc_addr, 10); 1383 outb(crtc_addr+1, start & 0xFF); 1384 outb(crtc_addr, 11); 1385 outb(crtc_addr+1, end & 0xFF); 1386} 1387 1388#if !defined(FAT_CURSOR) 1389static void 1390get_cursor_shape(int *start, int *end) 1391{ 1392 outb(crtc_addr, 10); 1393 *start = inb(crtc_addr+1) & 0x1F; 1394 outb(crtc_addr, 11); 1395 *end = inb(crtc_addr+1) & 0x1F; 1396} 1397#endif 1398 1399static void 1400cursor_pos(int force) 1401{ 1402 int pos; 1403 1404 if (cur_console->status & UNKNOWN_MODE) 1405 return; 1406 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1407 SCRN_SAVER(1); 1408 pos = cur_console->crtat - cur_console->crt_base; 1409 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1410 cur_cursor_pos = pos; 1411 outb(crtc_addr, 14); 1412 outb(crtc_addr+1, pos>>8); 1413 outb(crtc_addr, 15); 1414 outb(crtc_addr+1, pos&0xff); 1415 } 1416 timeout((timeout_t)cursor_pos, 0, hz/20); 1417} 1418 1419static void 1420clear_screen(scr_stat *scp) 1421{ 1422 move_crsr(scp, 0, 0); 1423 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1424 scp->xsize * scp->ysize); 1425} 1426 1427static int 1428switch_scr(u_int next_scr) 1429{ 1430 if (switch_in_progress && 1431 (cur_console->proc != pfind(cur_console->pid))) 1432 switch_in_progress = 0; 1433 1434 if (next_scr >= NCONS || switch_in_progress 1435 || (cur_console->smode.mode == VT_AUTO 1436 && cur_console->status & UNKNOWN_MODE)) { 1437 sysbeep(BELL_PITCH, BELL_DURATION); 1438 return EINVAL; 1439 } 1440 1441 /* is the wanted virtual console open ? */ 1442 if (next_scr) { 1443 struct tty *tp = VIRTUAL_TTY(next_scr); 1444 if (!(tp->t_state & TS_ISOPEN)) { 1445 sysbeep(BELL_PITCH, BELL_DURATION); 1446 return EINVAL; 1447 } 1448 } 1449 if (in_putc) { /* delay switch if in putc */ 1450 delayed_next_scr = next_scr+1; 1451 return 0; 1452 } 1453 switch_in_progress = 1; 1454 old_scp = cur_console; 1455 new_scp = &console[next_scr]; 1456 wakeup((caddr_t)&new_scp->smode); 1457 if (new_scp == old_scp) { 1458 switch_in_progress = 0; 1459 return 0; 1460 } 1461 1462 /* has controlling process died? */ 1463 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1464 old_scp->smode.mode = VT_AUTO; 1465 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1466 new_scp->smode.mode = VT_AUTO; 1467 1468 /* check the modes and switch approbiatly */ 1469 if (old_scp->smode.mode == VT_PROCESS) { 1470 old_scp->status |= SWITCH_WAIT_REL; 1471 psignal(old_scp->proc, old_scp->smode.relsig); 1472 } 1473 else { 1474 exchange_scr(); 1475 if (new_scp->smode.mode == VT_PROCESS) { 1476 new_scp->status |= SWITCH_WAIT_ACQ; 1477 psignal(new_scp->proc, new_scp->smode.acqsig); 1478 } 1479 else 1480 switch_in_progress = 0; 1481 } 1482 return 0; 1483} 1484 1485static void 1486exchange_scr(void) 1487{ 1488 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1489 old_scp->crt_base = old_scp->scr_buf; 1490 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1491 cur_console = new_scp; 1492 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)) 1493 set_mode(new_scp); 1494 new_scp->crt_base = Crtat; 1495 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1496 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1497 update_leds(new_scp->status); 1498 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1499 if (fonts_loaded & FONT_16_LOADED) 1500 copy_font(LOAD, 0, 16, font_16); 1501 if (fonts_loaded & FONT_8_LOADED) 1502 copy_font(LOAD, 1, 8, font_8); 1503 if (fonts_loaded & FONT_14_LOADED) 1504 copy_font(LOAD, 2, 14, font_14); 1505 load_palette(); 1506 } 1507 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1508 shfts = ctls = alts = agrs = metas = 0; 1509 delayed_next_scr = 0; 1510} 1511 1512static void 1513move_crsr(scr_stat *scp, int x, int y) 1514{ 1515 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1516 return; 1517 scp->xpos = x; 1518 scp->ypos = y; 1519 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1520} 1521 1522static void 1523move_up(u_short *s, u_short *d, u_int len) 1524{ 1525 s += len; 1526 d += len; 1527 while (len-- > 0) 1528 *--d = *--s; 1529} 1530 1531static void 1532move_down(u_short *s, u_short *d, u_int len) 1533{ 1534 while (len-- > 0) 1535 *d++ = *s++; 1536} 1537 1538static void 1539scan_esc(scr_stat *scp, u_char c) 1540{ 1541 static u_char ansi_col[16] = 1542 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1543 int i, n; 1544 u_short *src, *dst, count; 1545 1546 if (scp->term.esc == 1) { 1547 switch (c) { 1548 1549 case '[': /* Start ESC [ sequence */ 1550 scp->term.esc = 2; 1551 scp->term.last_param = -1; 1552 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1553 scp->term.param[i] = 1; 1554 scp->term.num_param = 0; 1555 return; 1556 1557 case 'M': /* Move cursor up 1 line, scroll if at top */ 1558 if (scp->ypos > 0) 1559 move_crsr(scp, scp->xpos, scp->ypos - 1); 1560 else { 1561 move_up(scp->crt_base, 1562 scp->crt_base + scp->xsize, 1563 (scp->ysize - 1) * scp->xsize); 1564 fillw(scp->term.cur_attr | scr_map[0x20], 1565 scp->crt_base, scp->xsize); 1566 } 1567 break; 1568#if notyet 1569 case 'Q': 1570 scp->term.esc = 4; 1571 break; 1572#endif 1573 case 'c': /* Clear screen & home */ 1574 clear_screen(scp); 1575 break; 1576 } 1577 } 1578 else if (scp->term.esc == 2) { 1579 if (c >= '0' && c <= '9') { 1580 if (scp->term.num_param < MAX_ESC_PAR) { 1581 if (scp->term.last_param != scp->term.num_param) { 1582 scp->term.last_param = scp->term.num_param; 1583 scp->term.param[scp->term.num_param] = 0; 1584 } 1585 else 1586 scp->term.param[scp->term.num_param] *= 10; 1587 scp->term.param[scp->term.num_param] += c - '0'; 1588 return; 1589 } 1590 } 1591 scp->term.num_param = scp->term.last_param + 1; 1592 switch (c) { 1593 1594 case ';': 1595 if (scp->term.num_param < MAX_ESC_PAR) 1596 return; 1597 break; 1598 1599 case '=': 1600 scp->term.esc = 3; 1601 scp->term.last_param = -1; 1602 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1603 scp->term.param[i] = 1; 1604 scp->term.num_param = 0; 1605 return; 1606 1607 case 'A': /* up 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 'B': /* down n rows */ 1613 n = scp->term.param[0]; if (n < 1) n = 1; 1614 move_crsr(scp, scp->xpos, scp->ypos + n); 1615 break; 1616 1617 case 'C': /* right 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 'D': /* left n columns */ 1623 n = scp->term.param[0]; if (n < 1) n = 1; 1624 move_crsr(scp, scp->xpos - n, scp->ypos); 1625 break; 1626 1627 case 'E': /* cursor to start of line n lines down */ 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': /* cursor to start of line n lines up */ 1633 n = scp->term.param[0]; if (n < 1) n = 1; 1634 move_crsr(scp, 0, scp->ypos - n); 1635 break; 1636 1637 case 'f': /* System V consoles .. */ 1638 case 'H': /* Cursor move */ 1639 if (scp->term.num_param == 0) 1640 move_crsr(scp, 0, 0); 1641 else if (scp->term.num_param == 2) 1642 move_crsr(scp, scp->term.param[1] - 1, 1643 scp->term.param[0] - 1); 1644 break; 1645 1646 case 'J': /* Clear all or part of display */ 1647 if (scp->term.num_param == 0) 1648 n = 0; 1649 else 1650 n = scp->term.param[0]; 1651 switch (n) { 1652 case 0: /* clear form cursor to end of display */ 1653 fillw(scp->term.cur_attr | scr_map[0x20], 1654 scp->crtat, scp->crt_base + 1655 scp->xsize * scp->ysize - 1656 scp->crtat); 1657 break; 1658 case 1: /* clear from beginning of display to cursor */ 1659 fillw(scp->term.cur_attr | scr_map[0x20], 1660 scp->crt_base, 1661 scp->crtat - scp->crt_base); 1662 break; 1663 case 2: /* clear entire display */ 1664 clear_screen(scp); 1665 break; 1666 } 1667 break; 1668 1669 case 'K': /* Clear all or part of line */ 1670 if (scp->term.num_param == 0) 1671 n = 0; 1672 else 1673 n = scp->term.param[0]; 1674 switch (n) { 1675 case 0: /* clear form cursor to end of line */ 1676 fillw(scp->term.cur_attr | scr_map[0x20], 1677 scp->crtat, scp->xsize - scp->xpos); 1678 break; 1679 case 1: /* clear from beginning of line to cursor */ 1680 fillw(scp->term.cur_attr|scr_map[0x20], 1681 scp->crtat - (scp->xsize - scp->xpos), 1682 (scp->xsize - scp->xpos) + 1); 1683 break; 1684 case 2: /* clear entire line */ 1685 fillw(scp->term.cur_attr|scr_map[0x20], 1686 scp->crtat - (scp->xsize - scp->xpos), 1687 scp->xsize); 1688 break; 1689 } 1690 break; 1691 1692 case 'L': /* Insert n lines */ 1693 n = scp->term.param[0]; if (n < 1) n = 1; 1694 if (n > scp->ysize - scp->ypos) 1695 n = scp->ysize - scp->ypos; 1696 src = scp->crt_base + scp->ypos * scp->xsize; 1697 dst = src + n * scp->xsize; 1698 count = scp->ysize - (scp->ypos + n); 1699 move_up(src, dst, count * scp->xsize); 1700 fillw(scp->term.cur_attr | scr_map[0x20], src, 1701 n * scp->xsize); 1702 break; 1703 1704 case 'M': /* Delete n lines */ 1705 n = scp->term.param[0]; if (n < 1) n = 1; 1706 if (n > scp->ysize - scp->ypos) 1707 n = scp->ysize - scp->ypos; 1708 dst = scp->crt_base + scp->ypos * scp->xsize; 1709 src = dst + n * scp->xsize; 1710 count = scp->ysize - (scp->ypos + n); 1711 move_down(src, dst, count * scp->xsize); 1712 src = dst + count * scp->xsize; 1713 fillw(scp->term.cur_attr | scr_map[0x20], src, 1714 n * scp->xsize); 1715 break; 1716 1717 case 'P': /* Delete n chars */ 1718 n = scp->term.param[0]; if (n < 1) n = 1; 1719 if (n > scp->xsize - scp->xpos) 1720 n = scp->xsize - scp->xpos; 1721 dst = scp->crtat; 1722 src = dst + n; 1723 count = scp->xsize - (scp->xpos + n); 1724 move_down(src, dst, count); 1725 src = dst + count; 1726 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1727 break; 1728 1729 case '@': /* Insert n chars */ 1730 n = scp->term.param[0]; if (n < 1) n = 1; 1731 if (n > scp->xsize - scp->xpos) 1732 n = scp->xsize - scp->xpos; 1733 src = scp->crtat; 1734 dst = src + n; 1735 count = scp->xsize - (scp->xpos + n); 1736 move_up(src, dst, count); 1737 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1738 break; 1739 1740 case 'S': /* scroll up n lines */ 1741 n = scp->term.param[0]; if (n < 1) n = 1; 1742 if (n > scp->ypos) 1743 n = scp->ypos; 1744 bcopy(scp->crt_base + (scp->xsize * n), 1745 scp->crt_base, 1746 scp->xsize * (scp->ysize - n) * 1747 sizeof(u_short)); 1748 fillw(scp->term.cur_attr | scr_map[0x20], 1749 scp->crt_base + scp->xsize * 1750 (scp->ysize - 1), 1751 scp->xsize); 1752 break; 1753 1754 case 'T': /* scroll down n lines */ 1755 n = scp->term.param[0]; if (n < 1) n = 1; 1756 if (n > scp->ysize - scp->ypos) 1757 n = scp->ysize - scp->ypos; 1758 bcopy(scp->crt_base, 1759 scp->crt_base + (scp->xsize * n), 1760 scp->xsize * (scp->ysize - n) * 1761 sizeof(u_short)); 1762 fillw(scp->term.cur_attr | scr_map[0x20], 1763 scp->crt_base, scp->xsize); 1764 break; 1765 1766 case 'X': /* delete n characters in line */ 1767 n = scp->term.param[0]; if (n < 1) n = 1; 1768 if (n > scp->xsize - scp->xpos) 1769 n = scp->xsize - scp->xpos; 1770 fillw(scp->term.cur_attr | scr_map[0x20], 1771 scp->crt_base + scp->xpos + 1772 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1773 break; 1774 1775 case 'Z': /* move n tabs backwards */ 1776 n = scp->term.param[0]; if (n < 1) n = 1; 1777 if ((i = scp->xpos & 0xf8) == scp->xpos) 1778 i -= 8*n; 1779 else 1780 i -= 8*(n-1); 1781 if (i < 0) 1782 i = 0; 1783 move_crsr(scp, i, scp->ypos); 1784 break; 1785 1786 case '`': /* move cursor to column n */ 1787 n = scp->term.param[0]; if (n < 1) n = 1; 1788 move_crsr(scp, n, scp->ypos); 1789 break; 1790 1791 case 'a': /* move cursor n columns to the right */ 1792 n = scp->term.param[0]; if (n < 1) n = 1; 1793 move_crsr(scp, scp->xpos + n, scp->ypos); 1794 break; 1795 1796 case 'd': /* move cursor to row n */ 1797 n = scp->term.param[0]; if (n < 1) n = 1; 1798 move_crsr(scp, scp->xpos, n); 1799 break; 1800 1801 case 'e': /* move cursor n rows down */ 1802 n = scp->term.param[0]; if (n < 1) n = 1; 1803 move_crsr(scp, scp->xpos, scp->ypos + n); 1804 break; 1805 1806 case 'm': /* change attribute */ 1807 if (scp->term.num_param == 0) { 1808 scp->term.cur_attr = scp->term.std_attr; 1809 break; 1810 } 1811 for (i = 0; i < scp->term.num_param; i++) { 1812 switch (n = scp->term.param[i]) { 1813 case 0: /* back to normal */ 1814 scp->term.cur_attr = scp->term.std_attr; 1815 break; 1816 case 1: /* highlight (bold) */ 1817 scp->term.cur_attr &= 0xFF00; 1818 scp->term.cur_attr |= 0x0800; 1819 break; 1820 case 4: /* highlight (underline) */ 1821 scp->term.cur_attr &= 0xFF00; 1822 scp->term.cur_attr |= 0x0800; 1823 break; 1824 case 5: /* blink */ 1825 scp->term.cur_attr &= 0xFF00; 1826 scp->term.cur_attr |= 0x8000; 1827 break; 1828 case 7: /* reverse video */ 1829 scp->term.cur_attr = scp->term.rev_attr; 1830 break; 1831 case 30: case 31: /* set fg color */ 1832 case 32: case 33: case 34: 1833 case 35: case 36: case 37: 1834 scp->term.cur_attr = 1835 (scp->term.cur_attr & 0xF8FF) 1836 | (ansi_col[(n-30) & 7] << 8); 1837 break; 1838 case 40: case 41: /* set bg color */ 1839 case 42: case 43: case 44: 1840 case 45: case 46: case 47: 1841 scp->term.cur_attr = 1842 (scp->term.cur_attr & 0x8FFF) 1843 | (ansi_col[(n-40) & 7] << 12); 1844 break; 1845 } 1846 } 1847 break; 1848 1849 case 'x': 1850 if (scp->term.num_param == 0) 1851 n = 0; 1852 else 1853 n = scp->term.param[0]; 1854 switch (n) { 1855 case 0: /* reset attributes */ 1856 scp->term.cur_attr = scp->term.std_attr = 1857 current_default->std_attr; 1858 scp->term.rev_attr = current_default->rev_attr; 1859 break; 1860 case 1: /* set ansi background */ 1861 scp->term.cur_attr = scp->term.std_attr = 1862 (scp->term.std_attr & 0x0F00) | 1863 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1864 break; 1865 case 2: /* set ansi foreground */ 1866 scp->term.cur_attr = scp->term.std_attr = 1867 (scp->term.std_attr & 0xF000) | 1868 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1869 break; 1870 case 3: /* set ansi attribute directly */ 1871 scp->term.cur_attr = scp->term.std_attr = 1872 (scp->term.param[1]&0xFF)<<8; 1873 break; 1874 case 5: /* set ansi reverse video background */ 1875 scp->term.rev_attr = 1876 (scp->term.rev_attr & 0x0F00) | 1877 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1878 break; 1879 case 6: /* set ansi reverse video foreground */ 1880 scp->term.rev_attr = 1881 (scp->term.rev_attr & 0xF000) | 1882 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1883 break; 1884 case 7: /* set ansi reverse video directly */ 1885 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1886 break; 1887 } 1888 break; 1889 1890 case 'z': /* switch to (virtual) console n */ 1891 if (scp->term.num_param == 1) 1892 switch_scr(scp->term.param[0]); 1893 break; 1894 } 1895 } 1896 else if (scp->term.esc == 3) { 1897 if (c >= '0' && c <= '9') { 1898 if (scp->term.num_param < MAX_ESC_PAR) { 1899 if (scp->term.last_param != scp->term.num_param) { 1900 scp->term.last_param = scp->term.num_param; 1901 scp->term.param[scp->term.num_param] = 0; 1902 } 1903 else 1904 scp->term.param[scp->term.num_param] *= 10; 1905 scp->term.param[scp->term.num_param] += c - '0'; 1906 return; 1907 } 1908 } 1909 scp->term.num_param = scp->term.last_param + 1; 1910 switch (c) { 1911 1912 case ';': 1913 if (scp->term.num_param < MAX_ESC_PAR) 1914 return; 1915 break; 1916 1917 case 'A': /* set display border color */ 1918 if (scp->term.num_param == 1) 1919 scp->border=scp->term.param[0] & 0xff; 1920 if (scp == cur_console) 1921 set_border(scp->border); 1922 break; 1923 1924 case 'B': /* set bell pitch and duration */ 1925 if (scp->term.num_param == 2) { 1926 scp->bell_pitch = scp->term.param[0]; 1927 scp->bell_duration = scp->term.param[1]*10; 1928 } 1929 break; 1930 1931 case 'C': /* set cursor shape (start & end line) */ 1932 if (scp->term.num_param == 2) { 1933 scp->cursor_start = scp->term.param[0] & 0x1F; 1934 scp->cursor_end = scp->term.param[1] & 0x1F; 1935 if (scp == cur_console) 1936 cursor_shape(scp->cursor_start, 1937 scp->cursor_end); 1938 } 1939 break; 1940 1941 case 'F': /* set ansi foreground */ 1942 if (scp->term.num_param == 1) 1943 scp->term.cur_attr = scp->term.std_attr = 1944 (scp->term.std_attr & 0xF000) 1945 | ((scp->term.param[0] & 0x0F) << 8); 1946 break; 1947 1948 case 'G': /* set ansi background */ 1949 if (scp->term.num_param == 1) 1950 scp->term.cur_attr = scp->term.std_attr = 1951 (scp->term.std_attr & 0x0F00) 1952 | ((scp->term.param[0] & 0x0F) << 12); 1953 break; 1954 1955 case 'H': /* set ansi reverse video foreground */ 1956 if (scp->term.num_param == 1) 1957 scp->term.rev_attr = 1958 (scp->term.rev_attr & 0xF000) 1959 | ((scp->term.param[0] & 0x0F) << 8); 1960 break; 1961 1962 case 'I': /* set ansi reverse video background */ 1963 if (scp->term.num_param == 1) 1964 scp->term.rev_attr = 1965 (scp->term.rev_attr & 0x0F00) 1966 | ((scp->term.param[0] & 0x0F) << 12); 1967 break; 1968 } 1969 } 1970 scp->term.esc = 0; 1971} 1972 1973static void 1974ansi_put(scr_stat *scp, u_char c) 1975{ 1976 if (scp->status & UNKNOWN_MODE) 1977 return; 1978 1979 /* make screensaver happy */ 1980 if (scp == cur_console) { 1981 scrn_time_stamp = time.tv_sec; 1982 if (scrn_blanked) 1983 SCRN_SAVER(0); 1984 } 1985 in_putc++; 1986 if (scp->term.esc) 1987 scan_esc(scp, c); 1988 else switch(c) { 1989 case 0x1B: /* start escape sequence */ 1990 scp->term.esc = 1; 1991 scp->term.num_param = 0; 1992 break; 1993 case 0x07: 1994 if (scp == cur_console) 1995 sysbeep(scp->bell_pitch, scp->bell_duration); 1996 break; 1997 case '\t': /* non-destructive tab */ 1998 scp->crtat += (8 - scp->xpos % 8); 1999 scp->xpos += (8 - scp->xpos % 8); 2000 break; 2001 case '\b': /* non-destructive backspace */ 2002 if (scp->crtat > scp->crt_base) { 2003 scp->crtat--; 2004 if (scp->xpos > 0) 2005 scp->xpos--; 2006 else { 2007 scp->xpos += scp->xsize - 1; 2008 scp->ypos--; 2009 } 2010 } 2011 break; 2012 case '\r': /* return to pos 0 */ 2013 move_crsr(scp, 0, scp->ypos); 2014 break; 2015 case '\n': /* newline, same pos */ 2016 scp->crtat += scp->xsize; 2017 scp->ypos++; 2018 break; 2019 case '\f': /* form feed, clears screen */ 2020 clear_screen(scp); 2021 break; 2022 default: 2023 /* Print only printables */ 2024 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 2025 scp->crtat++; 2026 if (++scp->xpos >= scp->xsize) { 2027 scp->xpos = 0; 2028 scp->ypos++; 2029 } 2030 break; 2031 } 2032 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 2033 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 2034 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2035 fillw(scp->term.cur_attr | scr_map[0x20], 2036 scp->crt_base + scp->xsize * (scp->ysize - 1), 2037 scp->xsize); 2038 scp->crtat -= scp->xsize; 2039 scp->ypos--; 2040 } 2041 in_putc--; 2042 if (delayed_next_scr) 2043 switch_scr(delayed_next_scr - 1); 2044} 2045 2046static void 2047scinit(void) 2048{ 2049 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 2050 unsigned cursorat; 2051 int start = -1, end = -1, i; 2052 scr_stat *scp; 2053 2054 /* 2055 * catch that once in a blue moon occurence when scinit is called 2056 * TWICE, adding the CGA_BUF offset again -> poooff 2057 */ 2058 if (crtat != 0) 2059 return; 2060 /* 2061 * Crtat initialized to point to MONO buffer, if not present change 2062 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 2063 * in the remapped offset at the "right" time 2064 */ 2065 was = *cp; 2066 *cp = (u_short) 0xA55A; 2067 if (*cp != 0xA55A) 2068 crtc_addr = MONO_BASE; 2069 else { 2070 *cp = was; 2071 crtc_addr = COLOR_BASE; 2072 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2073 } 2074 2075 /* Extract cursor location */ 2076 outb(crtc_addr,14); 2077 cursorat = inb(crtc_addr+1)<<8 ; 2078 outb(crtc_addr,15); 2079 cursorat |= inb(crtc_addr+1); 2080 crtat = Crtat + cursorat; 2081 2082 /* is this a VGA or higher ? */ 2083 outb(crtc_addr, 7); 2084 if (inb(crtc_addr) == 7) { 2085 crtc_vga = 1; 2086#if defined(FAT_CURSOR) 2087 start = 0; 2088 end = 18; 2089 cursor_shape(start, end); 2090#else 2091 get_cursor_shape(&start, &end); 2092#endif 2093 } 2094 current_default = &user_default; 2095 for (i = 0; i < NCONS; i++) { 2096 scp = &console[i]; 2097 scp->mode = M_VGA_C80x25; 2098 scp->term.esc = 0; 2099 scp->term.std_attr = current_default->std_attr; 2100 scp->term.rev_attr = current_default->rev_attr; 2101 scp->term.cur_attr = scp->term.std_attr; 2102 scp->border = BG_BLACK; 2103 scp->cursor_start = start; 2104 scp->cursor_end = end; 2105 scp->xsize = COL; 2106 scp->ysize = ROW; 2107 scp->bell_pitch = BELL_PITCH; 2108 scp->bell_duration = BELL_DURATION; 2109#ifndef LAPTOP 2110 scp->status = NLKED; 2111#else 2112 scp->status = 0; 2113#endif 2114 scp->pid = 0; 2115 scp->proc = NULL; 2116 scp->smode.mode = VT_AUTO; 2117 if (i == 0) { 2118 scp->xpos = cursorat % COL; 2119 scp->ypos = cursorat / COL; 2120 scp->crt_base = Crtat; 2121 scp->crtat = crtat; 2122 } 2123 } 2124 kernel_console.esc = 0; 2125 kernel_console.std_attr = kernel_default.std_attr; 2126 kernel_console.rev_attr = kernel_default.rev_attr; 2127 kernel_console.cur_attr = kernel_default.std_attr; 2128 /* initialize mapscrn array to a one to one map */ 2129 for (i=0; i<sizeof(scr_map); i++) 2130 scr_map[i] = i; 2131} 2132 2133static void 2134scput(u_char c) 2135{ 2136 scr_stat *scp = &console[0]; 2137 term_stat save; 2138 2139 if (crtat == 0) 2140 scinit(); 2141 if( in_putc == 0) { 2142 ++in_putc; 2143 save = scp->term; 2144 scp->term = kernel_console; 2145 current_default = &kernel_default; 2146 ansi_put(scp, c); 2147 kernel_console = scp->term; 2148 current_default = &user_default; 2149 scp->term = save; 2150 --in_putc; 2151 } else { 2152 if( console_buffer_count < CONSOLE_BUFSIZE) 2153 console_buffer[console_buffer_count++] = c; 2154 } 2155} 2156 2157static u_char 2158*get_fstr(u_int c, u_int *len) 2159{ 2160 u_int i; 2161 2162 if (!(c & FKEY)) 2163 return(NULL); 2164 i = (c & 0xFF) - F_FN; 2165 if (i > n_fkey_tab) 2166 return(NULL); 2167 *len = fkey_tab[i].len; 2168 return(fkey_tab[i].str); 2169} 2170 2171static void 2172update_leds(int which) 2173{ 2174 int s; 2175 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2176 2177 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2178 if (key_map.n_keys > ALTGR_OFFSET) { 2179 if (which & ALKED) 2180 which |= CLKED; 2181 else 2182 which &= ~CLKED; 2183 } 2184 s = spltty(); 2185 kbd_cmd(KB_SETLEDS); 2186 kbd_cmd(xlate_leds[which & LED_MASK]); 2187 splx(s); 2188} 2189 2190/* 2191 * scgetc(noblock) - get character from keyboard. 2192 * If noblock = 0 wait until a key is pressed. 2193 * Else return NOKEY. 2194 */ 2195u_int 2196scgetc(int noblock) 2197{ 2198 u_char scancode, keycode; 2199 u_int state, action; 2200 struct key_t *key; 2201 static u_char esc_flag = 0, compose = 0; 2202 static u_int chr = 0; 2203 2204next_code: 2205 kbd_wait(); 2206 /* First see if there is something in the keyboard port */ 2207 if (inb(KB_STAT) & KB_BUF_FULL) 2208 scancode = inb(KB_DATA); 2209 else if (noblock) 2210 return(NOKEY); 2211 else 2212 goto next_code; 2213 2214 if (cur_console->status & KBD_RAW_MODE) 2215 return scancode; 2216#if ASYNCH 2217 if (scancode == KB_ACK || scancode == KB_RESEND) { 2218 kbd_reply = scancode; 2219 if (noblock) 2220 return(NOKEY); 2221 goto next_code; 2222 } 2223#endif 2224 keycode = scancode & 0x7F; 2225 switch (esc_flag) { 2226 case 0x00: /* normal scancode */ 2227 switch(scancode) { 2228 case 0xB8: /* left alt (compose key) */ 2229 if (compose) { 2230 compose = 0; 2231 if (chr > 255) { 2232 sysbeep(BELL_PITCH, BELL_DURATION); 2233 chr = 0; 2234 } 2235 } 2236 break; 2237 case 0x38: 2238 if (!compose) { 2239 compose = 1; 2240 chr = 0; 2241 } 2242 break; 2243 case 0xE0: 2244 case 0xE1: 2245 esc_flag = scancode; 2246 goto next_code; 2247 } 2248 break; 2249 case 0xE0: /* 0xE0 prefix */ 2250 esc_flag = 0; 2251 switch (keycode) { 2252 case 0x1C: /* right enter key */ 2253 keycode = 0x59; 2254 break; 2255 case 0x1D: /* right ctrl key */ 2256 keycode = 0x5A; 2257 break; 2258 case 0x35: /* keypad divide key */ 2259 keycode = 0x5B; 2260 break; 2261 case 0x37: /* print scrn key */ 2262 keycode = 0x5C; 2263 break; 2264 case 0x38: /* right alt key (alt gr) */ 2265 keycode = 0x5D; 2266 break; 2267 case 0x47: /* grey home key */ 2268 keycode = 0x5E; 2269 break; 2270 case 0x48: /* grey up arrow key */ 2271 keycode = 0x5F; 2272 break; 2273 case 0x49: /* grey page up key */ 2274 keycode = 0x60; 2275 break; 2276 case 0x4B: /* grey left arrow key */ 2277 keycode = 0x61; 2278 break; 2279 case 0x4D: /* grey right arrow key */ 2280 keycode = 0x62; 2281 break; 2282 case 0x4F: /* grey end key */ 2283 keycode = 0x63; 2284 break; 2285 case 0x50: /* grey down arrow key */ 2286 keycode = 0x64; 2287 break; 2288 case 0x51: /* grey page down key */ 2289 keycode = 0x65; 2290 break; 2291 case 0x52: /* grey insert key */ 2292 keycode = 0x66; 2293 break; 2294 case 0x53: /* grey delete key */ 2295 keycode = 0x67; 2296 break; 2297 default: /* ignore everything else */ 2298 goto next_code; 2299 } 2300 break; 2301 case 0xE1: /* 0xE1 prefix */ 2302 esc_flag = 0; 2303 if (keycode == 0x1D) 2304 esc_flag = 0x1D; 2305 goto next_code; 2306 /* NOT REACHED */ 2307 case 0x1D: /* pause / break */ 2308 esc_flag = 0; 2309 if (keycode != 0x45) 2310 goto next_code; 2311 keycode = 0x68; 2312 break; 2313 } 2314 2315 if (compose) { 2316 switch (scancode) { 2317 /* key pressed process it */ 2318 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2319 chr = (scancode - 0x40) + chr*10; 2320 goto next_code; 2321 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2322 chr = (scancode - 0x47) + chr*10; 2323 goto next_code; 2324 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2325 chr = (scancode - 0x4E) + chr*10; 2326 goto next_code; 2327 case 0x52: /* keypad 0 */ 2328 chr *= 10; 2329 goto next_code; 2330 2331 /* key release, no interest here */ 2332 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2333 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2334 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2335 case 0xD2: /* keypad 0 */ 2336 goto next_code; 2337 2338 case 0x38: /* left alt key */ 2339 break; 2340 default: 2341 if (chr) { 2342 compose = chr = 0; 2343 sysbeep(BELL_PITCH, BELL_DURATION); 2344 goto next_code; 2345 } 2346 break; 2347 } 2348 } 2349 2350 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2351 if ((!agrs && (cur_console->status & ALKED)) 2352 || (agrs && !(cur_console->status & ALKED))) 2353 keycode += ALTGR_OFFSET; 2354 key = &key_map.key[keycode]; 2355 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2356 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2357 state ^= 1; 2358 2359 /* Check for make/break */ 2360 action = key->map[state]; 2361 if (scancode & 0x80) { /* key released */ 2362 if (key->spcl & 0x80) { 2363 switch (action) { 2364 case LSH: 2365 shfts &= ~1; 2366 break; 2367 case RSH: 2368 shfts &= ~2; 2369 break; 2370 case LCTR: 2371 ctls &= ~1; 2372 break; 2373 case RCTR: 2374 ctls &= ~2; 2375 break; 2376 case LALT: 2377 alts &= ~1; 2378 break; 2379 case RALT: 2380 alts &= ~2; 2381 break; 2382 case NLK: 2383 nlkcnt = 0; 2384 break; 2385 case CLK: 2386 clkcnt = 0; 2387 break; 2388 case SLK: 2389 slkcnt = 0; 2390 break; 2391 case ASH: 2392 agrs = 0; 2393 break; 2394 case ALK: 2395 alkcnt = 0; 2396 break; 2397 case META: 2398 metas = 0; 2399 break; 2400 } 2401 } 2402 if (chr && !compose) { 2403 action = chr; 2404 chr = 0; 2405 return(action); 2406 } 2407 } else { 2408 /* key pressed */ 2409 if (key->spcl & (0x80>>state)) { 2410 switch (action) { 2411 /* LOCKING KEYS */ 2412 case NLK: 2413 if (!nlkcnt) { 2414 nlkcnt++; 2415 if (cur_console->status & NLKED) 2416 cur_console->status &= ~NLKED; 2417 else 2418 cur_console->status |= NLKED; 2419 update_leds(cur_console->status); 2420 } 2421 break; 2422 case CLK: 2423 if (!clkcnt) { 2424 clkcnt++; 2425 if (cur_console->status & CLKED) 2426 cur_console->status &= ~CLKED; 2427 else 2428 cur_console->status |= CLKED; 2429 update_leds(cur_console->status); 2430 } 2431 break; 2432 case SLK: 2433 if (!slkcnt) { 2434 slkcnt++; 2435 if (cur_console->status & SLKED) { 2436 cur_console->status &= ~SLKED; 2437 pcstart(VIRTUAL_TTY(get_scr_num())); 2438 } 2439 else 2440 cur_console->status |= SLKED; 2441 update_leds(cur_console->status); 2442 } 2443 break; 2444 case ALK: 2445 if (!alkcnt) { 2446 alkcnt++; 2447 if (cur_console->status & ALKED) 2448 cur_console->status &= ~ALKED; 2449 else 2450 cur_console->status |= ALKED; 2451 update_leds(cur_console->status); 2452 } 2453 break; 2454 2455 /* NON-LOCKING KEYS */ 2456 case NOP: 2457 break; 2458 case RBT: 2459 shutdown_nice(); 2460 break; 2461 case SUSP: 2462 break; 2463 2464 case DBG: 2465#ifdef DDB /* try to switch to console 0 */ 2466 if (cur_console->smode.mode == VT_AUTO && 2467 console[0].smode.mode == VT_AUTO) 2468 switch_scr(0); 2469 Debugger("manual escape to debugger"); 2470 return(NOKEY); 2471#else 2472 printf("No debugger in kernel\n"); 2473#endif 2474 break; 2475 case LSH: 2476 shfts |= 1; 2477 break; 2478 case RSH: 2479 shfts |= 2; 2480 break; 2481 case LCTR: 2482 ctls |= 1; 2483 break; 2484 case RCTR: 2485 ctls |= 2; 2486 break; 2487 case LALT: 2488 alts |= 1; 2489 break; 2490 case RALT: 2491 alts |= 2; 2492 break; 2493 case ASH: 2494 agrs = 1; 2495 break; 2496 case META: 2497 metas = 1; 2498 break; 2499 case NEXT: 2500 switch_scr((get_scr_num()+1)%NCONS); 2501 break; 2502 default: 2503 if (action >= F_SCR && action <= L_SCR) { 2504 switch_scr(action - F_SCR); 2505 break; 2506 } 2507 if (action >= F_FN && action <= L_FN) 2508 action |= FKEY; 2509 return(action); 2510 } 2511 } 2512 else { 2513 if (metas) 2514 action |= MKEY; 2515 return(action); 2516 } 2517 } 2518 goto next_code; 2519} 2520 2521int 2522getchar(void) 2523{ 2524 u_char thechar; 2525 int s; 2526 2527 polling = 1; 2528 s = splhigh(); 2529 scput('>'); 2530 thechar = (u_char) scgetc(0); 2531 polling = 0; 2532 splx(s); 2533 switch (thechar) { 2534 default: 2535 if (thechar >= scr_map[0x20]) 2536 scput(thechar); 2537 return(thechar); 2538 case cr: 2539 case lf: 2540 scput(cr); scput(lf); 2541 return(lf); 2542 case bs: 2543 case del: 2544 scput(bs); scput(scr_map[0x20]); scput(bs); 2545 return(thechar); 2546 case cntld: 2547 scput('^'); scput('D'); scput('\r'); scput('\n'); 2548 return(0); 2549 } 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