1 /*- 2 * Copyright (c) 1992-1994 S�ren Schmidt 3 * Copyright (c) 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * William Jolitz and Don Ahn. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * $Id: syscons.c,v 1.53 1994/08/27 16:14:20 davidg Exp $ 38 */ 39 40 #include "sc.h" 41 42 #if NSC > 0 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/conf.h> 47 #include <sys/ioctl.h> 48 #include <sys/proc.h> 49 #include <sys/user.h> 50 #include <sys/tty.h> 51 #include <sys/uio.h> 52 #include <sys/callout.h> 53 #include <sys/kernel.h> 54 #include <sys/syslog.h> 55 #include <sys/errno.h> 56 #include <sys/malloc.h> 57 #include <machine/console.h> 58 #include <machine/psl.h> 59 #include <machine/frame.h> 60 #include <machine/pc/display.h> 61 #include <i386/isa/isa.h> 62 #include <i386/isa/isa_device.h> 63 #include <i386/isa/timerreg.h> 64 #include <i386/isa/kbdtables.h> 65 #include <i386/i386/cons.h> 66 67 #if !defined(NCONS) 68 #define NCONS 12 69 #endif 70 71 #if !defined(NO_HARDFONTS) 72 #include <i386/isa/iso8859.font> 73 #endif 74 75 /* status flags */ 76 #define LOCK_KEY_MASK 0x0000F 77 #define LED_MASK 0x00007 78 #define UNKNOWN_MODE 0x00010 79 #define KBD_RAW_MODE 0x00020 80 #define SWITCH_WAIT_REL 0x00040 81 #define SWITCH_WAIT_ACQ 0x00080 82 83 /* video hardware memory addresses */ 84 #define VIDEOMEM 0x000A0000 85 86 /* misc defines */ 87 #define MAX_ESC_PAR 5 88 #define LOAD 1 89 #define SAVE 0 90 #define COL 80 91 #define ROW 25 92 #define BELL_DURATION 5 93 #define BELL_PITCH 800 94 #define TIMER_FREQ 1193182 /* should be in isa.h */ 95 #define CONSOLE_BUFSIZE 1024 96 #define PCBURST 128 97 #define FONT_8_LOADED 0x001 98 #define FONT_14_LOADED 0x002 99 #define FONT_16_LOADED 0x004 100 101 /* defines related to hardware addresses */ 102 #define MONO_BASE 0x3B4 /* crt controller base mono */ 103 #define COLOR_BASE 0x3D4 /* crt controller base color */ 104 #define MISC 0x3C2 /* misc output register */ 105 #define ATC IO_VGA+0x00 /* attribute controller */ 106 #define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 107 #define TSREG IO_VGA+0x05 /* timing sequencer data */ 108 #define PIXMASK IO_VGA+0x06 /* pixel write mask */ 109 #define PALRADR IO_VGA+0x07 /* palette read address */ 110 #define PALWADR IO_VGA+0x08 /* palette write address */ 111 #define PALDATA IO_VGA+0x09 /* palette data register */ 112 #define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 113 #define GDCREG IO_VGA+0x0F /* graph data controller data */ 114 115 /* special characters */ 116 #define cntlc 0x03 117 #define cntld 0x04 118 #define bs 0x08 119 #define lf 0x0a 120 #define cr 0x0d 121 #define del 0x7f 122 123 typedef struct term_stat { 124 int esc; /* processing escape sequence */ 125 int num_param; /* # of parameters to ESC */ 126 int last_param; /* last parameter # */ 127 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 128 int cur_attr; /* current attributes */ 129 int std_attr; /* normal attributes */ 130 int rev_attr; /* reverse attributes */ 131 } term_stat; 132 133 typedef struct scr_stat { 134 u_short *crt_base; /* address of screen memory */ 135 u_short *scr_buf; /* buffer when off screen */ 136 u_short *crtat; /* cursor address */ 137 int xpos; /* current X position */ 138 int ypos; /* current Y position */ 139 int xsize; /* X size */ 140 int ysize; /* Y size */ 141 term_stat term; /* terminal emulation stuff */ 142 char cursor_start; /* cursor start line # */ 143 char cursor_end; /* cursor end line # */ 144 u_char border; /* border color */ 145 u_short bell_duration; 146 u_short bell_pitch; 147 u_short status; /* status (bitfield) */ 148 u_short mode; /* mode */ 149 pid_t pid; /* pid of controlling proc */ 150 struct proc *proc; /* proc* of controlling proc */ 151 struct vt_mode smode; /* switch mode */ 152 } scr_stat; 153 154 typedef struct default_attr { 155 int std_attr; /* normal attributes */ 156 int rev_attr; /* reverse attributes */ 157 } default_attr; 158 159 static default_attr user_default = { 160 (FG_LIGHTGREY | BG_BLACK) << 8, 161 (FG_BLACK | BG_LIGHTGREY) << 8 162 }; 163 164 static default_attr kernel_default = { 165 (FG_WHITE | BG_BLACK) << 8, 166 (FG_BLACK | BG_LIGHTGREY) << 8 167 }; 168 169 static scr_stat console[NCONS]; 170 static scr_stat *cur_console = &console[0]; 171 static scr_stat *new_scp, *old_scp; 172 static term_stat kernel_console; 173 static default_attr *current_default; 174 static int console_buffer_count; 175 static char console_buffer[CONSOLE_BUFSIZE]; 176 static int switch_in_progress = 0; 177 static u_short *crtat = 0; 178 static u_int crtc_addr = MONO_BASE; 179 static char crtc_vga = 0; 180 static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 181 static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 182 static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 183 static int fonts_loaded = 0; 184 static char palette[3*256]; 185 static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 186 static int cur_cursor_pos = -1; 187 static char in_putc = 0; 188 static char polling = 0; 189 #if ASYNCH 190 static u_char kbd_reply = 0; 191 #endif 192 static int delayed_next_scr; 193 static char saved_console = -1; /* saved console number */ 194 static long scrn_blank_time = 0; /* screen saver timeout value */ 195 static int scrn_blanked = 0; /* screen saver active flag */ 196 static int scrn_saver = 0; /* screen saver routine */ 197 static long scrn_time_stamp; 198 static u_char scr_map[256]; 199 200 /* function prototypes */ 201 int pcprobe(struct isa_device *dev); 202 int pcattach(struct isa_device *dev); 203 int pcopen(dev_t dev, int flag, int mode, struct proc *p); 204 int pcclose(dev_t dev, int flag, int mode, struct proc *p); 205 int pcread(dev_t dev, struct uio *uio, int flag); 206 int pcwrite(dev_t dev, struct uio *uio, int flag); 207 int pcparam(struct tty *tp, struct termios *t); 208 int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 209 void pcxint(dev_t dev); 210 void pcstart(struct tty *tp); 211 void pccnprobe(struct consdev *cp); 212 void pccninit(struct consdev *cp); 213 void pccnputc(dev_t dev, char c); 214 int pccngetc(dev_t dev); 215 void scintr(int unit); 216 int pcmmap(dev_t dev, int offset, int nprot); 217 u_int sgetc(int noblock); 218 int getchar(void); 219 static void scinit(void); 220 static void scput(u_char c); 221 static u_int scgetc(int noblock); 222 static struct tty *get_tty_ptr(dev_t dev); 223 static scr_stat *get_scr_stat(dev_t dev); 224 static int get_scr_num(); 225 static void cursor_shape(int start, int end); 226 static void get_cursor_shape(int *start, int *end); 227 static void cursor_pos(int force); 228 static void clear_screen(scr_stat *scp); 229 static int switch_scr(u_int next_scr); 230 static void exchange_scr(void); 231 static void move_crsr(scr_stat *scp, int x, int y); 232 static void move_up(u_short *s, u_short *d, u_int len); 233 static void move_down(u_short *s, u_short *d, u_int len); 234 static void scan_esc(scr_stat *scp, u_char c); 235 static void ansi_put(scr_stat *scp, u_char c); 236 static u_char *get_fstr(u_int c, u_int *len); 237 static void update_leds(int which); 238 static void kbd_wait(void); 239 static void kbd_cmd(u_char command); 240 static void set_mode(scr_stat *scp); 241 static void set_border(int color); 242 static void set_vgaregs(char *modetable); 243 static void copy_font(int direction, int segment, int size, char* font); 244 static void save_palette(void); 245 static void load_palette(void); 246 247 /* available screen savers */ 248 static void none_saver(int test); 249 static void blank_saver(int test); 250 static void fade_saver(int test); 251 static void star_saver(int test); 252 static void snake_saver(int test); 253 static void green_saver(int test); 254 255 static const struct { 256 char *name; 257 void (*routine)(); 258 } screen_savers[] = { 259 { "none", none_saver }, /* 0 */ 260 { "blank", blank_saver }, /* 1 */ 261 { "fade", fade_saver }, /* 2 */ 262 { "star", star_saver }, /* 3 */ 263 { "snake", snake_saver }, /* 4 */ 264 { "green", green_saver }, /* 5 */ 265 }; 266 #define SCRN_SAVER(arg) (*screen_savers[scrn_saver].routine)(arg) 267 #define NUM_SCRN_SAVERS (sizeof(screen_savers) / sizeof(screen_savers[0])) 268 269 /* OS specific stuff */ 270 #if 0 271 #define VIRTUAL_TTY(x) (pccons[x] = ttymalloc(pccons[x])) 272 #define CONSOLE_TTY (pccons[NCONS] = ttymalloc(pccons[NCONS])) 273 struct tty *pccons[NCONS+1]; 274 #else 275 #define VIRTUAL_TTY(x) &pccons[x] 276 #define CONSOLE_TTY &pccons[NCONS] 277 struct tty pccons[NCONS+1]; 278 #endif 279 #define timeout_t timeout_func_t 280 #define MONO_BUF (KERNBASE+0xB0000) 281 #define CGA_BUF (KERNBASE+0xB8000) 282 u_short *Crtat = (u_short *)MONO_BUF; 283 void consinit(void) {scinit();} 284 extern char *video_mode_ptr; 285 286 struct isa_driver scdriver = { 287 pcprobe, pcattach, "sc", 288 }; 289 290 int 291 pcprobe(struct isa_device *dev) 292 { 293 int i, retries = 5; 294 unsigned char val; 295 296 /* Enable interrupts and keyboard controller */ 297 kbd_wait(); 298 outb(KB_STAT, KB_WRITE); 299 kbd_wait(); 300 outb(KB_DATA, KB_MODE); 301 302 /* flush any noise in the buffer */ 303 while (inb(KB_STAT) & KB_BUF_FULL) { 304 DELAY(10); 305 (void) inb(KB_DATA); 306 } 307 308 /* Reset keyboard hardware */ 309 while (retries--) { 310 kbd_wait(); 311 outb(KB_DATA, KB_RESET); 312 for (i=0; i<100000; i++) { 313 DELAY(10); 314 val = inb(KB_DATA); 315 if (val == KB_ACK || val == KB_ECHO) 316 goto gotres; 317 if (val == KB_RESEND) 318 break; 319 } 320 } 321 gotres: 322 if (!retries) 323 printf("scprobe: keyboard won't accept RESET command\n"); 324 else { 325 gotack: 326 DELAY(10); 327 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 328 DELAY(10); 329 val = inb(KB_DATA); 330 if (val == KB_ACK) 331 goto gotack; 332 if (val != KB_RESET_DONE) 333 printf("scprobe: keyboard RESET failed %02x\n", val); 334 } 335 return (IO_KBDSIZE); 336 } 337 338 int 339 pcattach(struct isa_device *dev) 340 { 341 int i; 342 struct scr_stat *scp; 343 344 printf("sc%d: ", dev->id_unit); 345 if (crtc_vga) 346 if (crtc_addr == MONO_BASE) 347 printf("VGA mono"); 348 else 349 printf("VGA color"); 350 else 351 if (crtc_addr == MONO_BASE) 352 printf("MDA/hercules"); 353 else 354 printf("CGA/EGA"); 355 if (NCONS > 1) 356 printf(" <%d virtual consoles>\n", NCONS); 357 else 358 printf("\n"); 359 if (crtc_vga) { 360 #if !defined(NO_HARDFONTS) 361 font_8 = font_8x8; 362 font_14 = font_8x14; 363 font_16 = font_8x16; 364 fonts_loaded = FONT_8_LOADED|FONT_14_LOADED|FONT_16_LOADED; 365 copy_font(LOAD, 1, 8, font_8); 366 copy_font(LOAD, 2, 14, font_14); 367 copy_font(LOAD, 0, 16, font_16); 368 #else 369 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 370 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 371 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 372 copy_font(SAVE, 0, 16, font_16); 373 fonts_loaded = FONT_16_LOADED; 374 #endif 375 save_palette(); 376 } 377 for (i = 0; i < NCONS; i++) { 378 scp = &console[i]; 379 scp->scr_buf = (u_short *)malloc(COL*ROW*2, M_DEVBUF, M_NOWAIT); 380 if (i > 0) { 381 scp->crt_base = scp->crtat = scp->scr_buf; 382 clear_screen(scp); 383 } 384 } 385 /* get cursor going */ 386 cursor_pos(1); 387 update_leds(console[0].status); 388 return 0; 389 } 390 391 static struct tty 392 *get_tty_ptr(dev_t dev) 393 { 394 int unit = minor(dev); 395 396 if (unit > NCONS) 397 return(NULL); 398 if (unit == NCONS) 399 return(CONSOLE_TTY); 400 return(VIRTUAL_TTY(unit)); 401 } 402 403 static scr_stat 404 *get_scr_stat(dev_t dev) 405 { 406 int unit = minor(dev); 407 408 if (unit > NCONS) 409 return(NULL); 410 if (unit == NCONS) 411 return(&console[0]); 412 return(&console[unit]); 413 } 414 415 static int 416 get_scr_num() 417 { 418 int i = 0; 419 420 while ((i < NCONS) && (cur_console != &console[i])) i++; 421 return i < NCONS ? i : 0; 422 } 423 424 int 425 pcopen(dev_t dev, int flag, int mode, struct proc *p) 426 { 427 struct tty *tp = get_tty_ptr(dev); 428 429 if (!tp) 430 return(ENXIO); 431 432 tp->t_oproc = pcstart; 433 tp->t_param = pcparam; 434 tp->t_dev = dev; 435 if (!(tp->t_state & TS_ISOPEN)) { 436 ttychars(tp); 437 tp->t_iflag = TTYDEF_IFLAG; 438 tp->t_oflag = TTYDEF_OFLAG; 439 tp->t_cflag = TTYDEF_CFLAG; 440 tp->t_lflag = TTYDEF_LFLAG; 441 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 442 pcparam(tp, &tp->t_termios); 443 ttsetwater(tp); 444 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 445 return(EBUSY); 446 tp->t_state |= TS_CARR_ON; 447 tp->t_cflag |= CLOCAL; 448 return((*linesw[tp->t_line].l_open)(dev, tp)); 449 } 450 451 int 452 pcclose(dev_t dev, int flag, int mode, struct proc *p) 453 { 454 struct tty *tp = get_tty_ptr(dev); 455 struct scr_stat *scp; 456 457 if (!tp) 458 return(ENXIO); 459 if (minor(dev) < NCONS) { 460 scp = get_scr_stat(tp->t_dev); 461 if (scp->status & SWITCH_WAIT_ACQ) 462 wakeup((caddr_t)&scp->smode); 463 scp->pid = 0; 464 scp->proc = NULL; 465 scp->smode.mode = VT_AUTO; 466 } 467 (*linesw[tp->t_line].l_close)(tp, flag); 468 ttyclose(tp); 469 return(0); 470 } 471 472 int 473 pcread(dev_t dev, struct uio *uio, int flag) 474 { 475 struct tty *tp = get_tty_ptr(dev); 476 477 if (!tp) 478 return(ENXIO); 479 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 480 } 481 482 int 483 pcwrite(dev_t dev, struct uio *uio, int flag) 484 { 485 struct tty *tp = get_tty_ptr(dev); 486 487 if (!tp) 488 return(ENXIO); 489 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 490 } 491 492 void 493 scintr(int unit) 494 { 495 static struct tty *cur_tty; 496 int c, len; 497 u_char *cp; 498 499 /* make screensaver happy */ 500 scrn_time_stamp = time.tv_sec; 501 if (scrn_blanked) 502 SCRN_SAVER(0); 503 504 c = scgetc(1); 505 506 cur_tty = VIRTUAL_TTY(get_scr_num()); 507 if (!(cur_tty->t_state & TS_ISOPEN)) 508 cur_tty = CONSOLE_TTY; 509 510 if (!(cur_tty->t_state & TS_ISOPEN) || polling) 511 return; 512 513 switch (c & 0xff00) { 514 case 0x0000: /* normal key */ 515 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 516 break; 517 case NOKEY: /* nothing there */ 518 break; 519 case FKEY: /* function key, return string */ 520 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 521 while (len-- > 0) 522 (*linesw[cur_tty->t_line].l_rint) 523 (*cp++ & 0xFF, cur_tty); 524 } 525 break; 526 case MKEY: /* meta is active, prepend ESC */ 527 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 528 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 529 break; 530 } 531 } 532 533 int 534 pcparam(struct tty *tp, struct termios *t) 535 { 536 int cflag = t->c_cflag; 537 538 /* and copy to tty */ 539 tp->t_ispeed = t->c_ispeed; 540 tp->t_ospeed = t->c_ospeed; 541 tp->t_cflag = cflag; 542 return 0; 543 } 544 545 int 546 pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 547 { 548 int i, error; 549 struct tty *tp; 550 struct trapframe *fp; 551 scr_stat *scp; 552 553 tp = get_tty_ptr(dev); 554 if (!tp) 555 return ENXIO; 556 scp = get_scr_stat(tp->t_dev); 557 558 switch (cmd) { /* process console hardware related ioctl's */ 559 560 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 561 scrn_blank_time = *(int*)data; 562 return 0; 563 564 #define SAVER(p) ((ssaver_t *)(p)) 565 case CONS_SSAVER: /* set screen saver */ 566 if (SAVER(data)->num < 0 567 || SAVER(data)->num >= NUM_SCRN_SAVERS) 568 return EIO; 569 SCRN_SAVER(0); 570 scrn_saver = SAVER(data)->num; 571 scrn_blank_time = SAVER(data)->time; 572 return 0; 573 574 case CONS_GSAVER: /* get screen saver info */ 575 if (SAVER(data)->num < 0) 576 SAVER(data)->num = scrn_saver; 577 else if (SAVER(data)->num >= NUM_SCRN_SAVERS) 578 return EIO; 579 SAVER(data)->time = scrn_blank_time; 580 strcpy(SAVER(data)->name, screen_savers[SAVER(data)->num].name); 581 return 0; 582 583 case SW_VGA_C40x25: case SW_VGA_C80x25: /* VGA TEXT MODES */ 584 case SW_VGA_M80x25: 585 case SW_VGA_C80x50: case SW_VGA_M80x50: 586 case SW_B40x25: case SW_C40x25: 587 case SW_B80x25: case SW_C80x25: 588 case SW_ENH_B40x25: case SW_ENH_C40x25: 589 case SW_ENH_B80x25: case SW_ENH_C80x25: 590 case SW_ENH_B80x43: case SW_ENH_C80x43: 591 592 if (!crtc_vga) 593 return ENXIO; 594 scp->mode = cmd & 0xFF; 595 scp->status &= ~UNKNOWN_MODE; /* text mode */ 596 if (scp->mode < M_VGA_C80x50) { 597 scp->xsize = *(video_mode_ptr + (scp->mode*64)); 598 scp->ysize = *(video_mode_ptr + (scp->mode*64) + 1) + 1; 599 } 600 else switch (scp->mode) { 601 case M_VGA_C80x50: case M_VGA_M80x50: 602 scp->xsize = 80; 603 scp->ysize = 50; 604 break; 605 case M_ENH_B80x43: case M_ENH_C80x43: 606 scp->xsize = 80; 607 scp->ysize = 43; 608 break; 609 } 610 free(scp->scr_buf, M_DEVBUF); 611 scp->scr_buf = (u_short *)malloc(scp->xsize * scp->ysize * 2, 612 M_DEVBUF, M_NOWAIT); 613 if (scp == cur_console) 614 set_mode(scp); 615 else 616 scp->crt_base = scp->scr_buf; 617 clear_screen(scp); 618 if (tp->t_winsize.ws_col != scp->xsize 619 || tp->t_winsize.ws_row != scp->ysize) { 620 tp->t_winsize.ws_col = scp->xsize; 621 tp->t_winsize.ws_row = scp->ysize; 622 pgsignal(tp->t_pgrp, SIGWINCH, 1); 623 } 624 return 0; 625 626 /* GRAPHICS MODES */ 627 case SW_BG320: case SW_CG320: case SW_BG640: 628 case SW_CG320_D: case SW_CG640_E: 629 case SW_CG640x350: case SW_ENH_CG640: 630 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 631 632 scp->mode = cmd & 0xFF; 633 scp->status |= UNKNOWN_MODE; /* graphics mode */ 634 if (scp == cur_console) 635 set_mode(scp); 636 /* clear_graphics();*/ 637 return 0; 638 639 case CONS_GETVERS: /* get version number */ 640 *(int*)data = 0x103; /* version 1.3 */ 641 return 0; 642 643 case CONS_GETINFO: /* get current (virtual) console info */ 644 { 645 vid_info_t *ptr = (vid_info_t*)data; 646 if (ptr->size == sizeof(struct vid_info)) { 647 ptr->m_num = get_scr_num(); 648 ptr->mv_col = scp->xpos; 649 ptr->mv_row = scp->ypos; 650 ptr->mv_csz = scp->xsize; 651 ptr->mv_rsz = scp->ysize; 652 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 653 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 654 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 655 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 656 ptr->mv_grfc.fore = 0; /* not supported */ 657 ptr->mv_grfc.back = 0; /* not supported */ 658 ptr->mv_ovscan = scp->border; 659 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 660 return 0; 661 } 662 return EINVAL; 663 } 664 665 case VT_SETMODE: /* set screen switcher mode */ 666 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 667 if (scp->smode.mode == VT_PROCESS) { 668 scp->proc = p; 669 scp->pid = scp->proc->p_pid; 670 } 671 return 0; 672 673 case VT_GETMODE: /* get screen switcher mode */ 674 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 675 return 0; 676 677 case VT_RELDISP: /* screen switcher ioctl */ 678 switch(*data) { 679 case VT_FALSE: /* user refuses to release screen, abort */ 680 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 681 old_scp->status &= ~SWITCH_WAIT_REL; 682 switch_in_progress = 0; 683 return 0; 684 } 685 return EINVAL; 686 687 case VT_TRUE: /* user has released screen, go on */ 688 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 689 scp->status &= ~SWITCH_WAIT_REL; 690 exchange_scr(); 691 if (new_scp->smode.mode == VT_PROCESS) { 692 new_scp->status |= SWITCH_WAIT_ACQ; 693 psignal(new_scp->proc, 694 new_scp->smode.acqsig); 695 } 696 else 697 switch_in_progress = 0; 698 return 0; 699 } 700 return EINVAL; 701 702 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 703 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 704 scp->status &= ~SWITCH_WAIT_ACQ; 705 switch_in_progress = 0; 706 return 0; 707 } 708 return EINVAL; 709 710 default: 711 return EINVAL; 712 } 713 /* NOT REACHED */ 714 715 case VT_OPENQRY: /* return free virtual console */ 716 for (i = 0; i < NCONS; i++) { 717 tp = VIRTUAL_TTY(i); 718 if (!(tp->t_state & TS_ISOPEN)) { 719 *data = i + 1; 720 return 0; 721 } 722 } 723 return EINVAL; 724 725 case VT_ACTIVATE: /* switch to screen *data */ 726 return switch_scr((*data) - 1); 727 728 case VT_WAITACTIVE: /* wait for switch to occur */ 729 if (*data > NCONS) 730 return EINVAL; 731 if (minor(dev) == (*data) - 1) 732 return 0; 733 if (*data == 0) { 734 if (scp == cur_console) 735 return 0; 736 while ((error=tsleep((caddr_t)&scp->smode, 737 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 738 } 739 else 740 while ((error=tsleep( 741 (caddr_t)&console[*(data-1)].smode, 742 PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; 743 return error; 744 745 case VT_GETACTIVE: 746 *data = get_scr_num()+1; 747 return 0; 748 749 case KDENABIO: /* allow io operations */ 750 fp = (struct trapframe *)p->p_md.md_regs; 751 fp->tf_eflags |= PSL_IOPL; 752 return 0; 753 754 case KDDISABIO: /* disallow io operations (default) */ 755 fp = (struct trapframe *)p->p_md.md_regs; 756 fp->tf_eflags &= ~PSL_IOPL; 757 return 0; 758 759 case KDSETMODE: /* set current mode of this (virtual) console */ 760 switch (*data) { 761 case KD_TEXT: /* switch to TEXT (known) mode */ 762 /* restore fonts & palette ! */ 763 if (crtc_vga) { 764 copy_font(LOAD, 0, 16, font_16); 765 copy_font(LOAD, 1, 8, font_8); 766 copy_font(LOAD, 2, 14, font_14); 767 load_palette(); 768 } 769 /* FALL THROUGH */ 770 771 case KD_TEXT1: /* switch to TEXT (known) mode */ 772 /* no restore fonts & palette */ 773 scp->status &= ~UNKNOWN_MODE; 774 set_mode(scp); 775 clear_screen(scp); 776 return 0; 777 778 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 779 scp->status |= UNKNOWN_MODE; 780 return 0; 781 default: 782 return EINVAL; 783 } 784 /* NOT REACHED */ 785 786 case KDGETMODE: /* get current mode of this (virtual) console */ 787 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 788 return 0; 789 790 case KDSBORDER: /* set border color of this (virtual) console */ 791 if (!crtc_vga) 792 return ENXIO; 793 scp->border = *data; 794 if (scp == cur_console) 795 set_border(scp->border); 796 return 0; 797 798 case KDSKBSTATE: /* set keyboard state (locks) */ 799 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 800 scp->status &= ~LOCK_KEY_MASK; 801 scp->status |= *data; 802 if (scp == cur_console) 803 update_leds(scp->status); 804 return 0; 805 } 806 return EINVAL; 807 808 case KDGKBSTATE: /* get keyboard state (locks) */ 809 *data = scp->status & LOCK_KEY_MASK; 810 return 0; 811 812 case KDSETRAD: /* set keyboard repeat & delay rates */ 813 if (*data & 0x80) 814 return EINVAL; 815 i = spltty(); 816 kbd_cmd(KB_SETRAD); 817 kbd_cmd(*data); 818 splx(i); 819 return 0; 820 821 case KDSKBMODE: /* set keyboard mode */ 822 switch (*data) { 823 case K_RAW: /* switch to RAW scancode mode */ 824 scp->status |= KBD_RAW_MODE; 825 return 0; 826 827 case K_XLATE: /* switch to XLT ascii mode */ 828 if (scp == cur_console && scp->status == KBD_RAW_MODE) 829 shfts = ctls = alts = agrs = metas = 0; 830 scp->status &= ~KBD_RAW_MODE; 831 return 0; 832 default: 833 return EINVAL; 834 } 835 /* NOT REACHED */ 836 837 case KDGKBMODE: /* get keyboard mode */ 838 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 839 return 0; 840 841 case KDMKTONE: /* sound the bell */ 842 if (scp == cur_console) 843 sysbeep(scp->bell_pitch, scp->bell_duration); 844 return 0; 845 846 case KIOCSOUND: /* make tone (*data) hz */ 847 if (scp == cur_console) { 848 if (*(int*)data) { 849 int pitch = TIMER_FREQ/(*(int*)data); 850 /* set command for counter 2, 2 byte write */ 851 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) { 852 return EBUSY; 853 } 854 /* set pitch */ 855 outb(TIMER_CNTR2, pitch); 856 outb(TIMER_CNTR2, (pitch>>8)); 857 /* enable counter 2 output to speaker */ 858 outb(IO_PPI, inb(IO_PPI) | 3); 859 } 860 else { 861 /* disable counter 2 output to speaker */ 862 outb(IO_PPI, inb(IO_PPI) & 0xFC); 863 release_timer2(); 864 } 865 } 866 return 0; 867 868 case KDGKBTYPE: /* get keyboard type */ 869 *data = 0; /* type not known (yet) */ 870 return 0; 871 872 case KDSETLED: /* set keyboard LED status */ 873 if (*data >= 0 && *data <= LED_MASK) { 874 scp->status &= ~LED_MASK; 875 scp->status |= *data; 876 if (scp == cur_console) 877 update_leds(scp->status); 878 return 0; 879 } 880 return EINVAL; 881 882 case KDGETLED: /* get keyboard LED status */ 883 *data = scp->status & LED_MASK; 884 return 0; 885 886 case GETFKEY: /* get functionkey string */ 887 if (*(u_short*)data < n_fkey_tab) { 888 fkeyarg_t *ptr = (fkeyarg_t*)data; 889 bcopy(&fkey_tab[ptr->keynum].str, 890 ptr->keydef, 891 fkey_tab[ptr->keynum].len); 892 ptr->flen = fkey_tab[ptr->keynum].len; 893 return 0; 894 } 895 else 896 return EINVAL; 897 898 case SETFKEY: /* set functionkey string */ 899 if (*(u_short*)data < n_fkey_tab) { 900 fkeyarg_t *ptr = (fkeyarg_t*)data; 901 bcopy(ptr->keydef, 902 &fkey_tab[ptr->keynum].str, 903 min(ptr->flen, MAXFK)); 904 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 905 return 0; 906 } 907 else 908 return EINVAL; 909 910 case GIO_SCRNMAP: /* get output translation table */ 911 bcopy(&scr_map, data, sizeof(scr_map)); 912 return 0; 913 914 case PIO_SCRNMAP: /* set output translation table */ 915 bcopy(data, &scr_map, sizeof(scr_map)); 916 return 0; 917 918 case GIO_KEYMAP: /* get keyboard translation table */ 919 bcopy(&key_map, data, sizeof(key_map)); 920 return 0; 921 922 case PIO_KEYMAP: /* set keyboard translation table */ 923 bcopy(data, &key_map, sizeof(key_map)); 924 return 0; 925 926 case PIO_FONT8x8: /* set 8x8 dot font */ 927 if (!crtc_vga) 928 return ENXIO; 929 bcopy(data, font_8, 8*256); 930 fonts_loaded |= FONT_8_LOADED; 931 copy_font(LOAD, 1, 8, font_8); 932 return 0; 933 934 case GIO_FONT8x8: /* get 8x8 dot font */ 935 if (!crtc_vga) 936 return ENXIO; 937 if (fonts_loaded & FONT_8_LOADED) { 938 bcopy(font_8, data, 8*256); 939 return 0; 940 } 941 else 942 return ENXIO; 943 944 case PIO_FONT8x14: /* set 8x14 dot font */ 945 if (!crtc_vga) 946 return ENXIO; 947 bcopy(data, font_14, 14*256); 948 fonts_loaded |= FONT_14_LOADED; 949 copy_font(LOAD, 2, 14, font_14); 950 return 0; 951 952 case GIO_FONT8x14: /* get 8x14 dot font */ 953 if (!crtc_vga) 954 return ENXIO; 955 if (fonts_loaded & FONT_14_LOADED) { 956 bcopy(font_14, data, 14*256); 957 return 0; 958 } 959 else 960 return ENXIO; 961 962 case PIO_FONT8x16: /* set 8x16 dot font */ 963 if (!crtc_vga) 964 return ENXIO; 965 bcopy(data, font_16, 16*256); 966 fonts_loaded |= FONT_16_LOADED; 967 copy_font(LOAD, 0, 16, font_16); 968 return 0; 969 970 case GIO_FONT8x16: /* get 8x16 dot font */ 971 if (!crtc_vga) 972 return ENXIO; 973 if (fonts_loaded & FONT_16_LOADED) { 974 bcopy(font_16, data, 16*256); 975 return 0; 976 } 977 else 978 return ENXIO; 979 980 case CONSOLE_X_MODE_ON: /* just to be compatible */ 981 if (saved_console < 0) { 982 saved_console = get_scr_num(); 983 switch_scr(minor(dev)); 984 fp = (struct trapframe *)p->p_md.md_regs; 985 fp->tf_eflags |= PSL_IOPL; 986 scp->status |= UNKNOWN_MODE; 987 scp->status |= KBD_RAW_MODE; 988 return 0; 989 } 990 return EAGAIN; 991 992 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 993 fp = (struct trapframe *)p->p_md.md_regs; 994 fp->tf_eflags &= ~PSL_IOPL; 995 if (crtc_vga) { 996 copy_font(LOAD, 0, 16, font_16); 997 copy_font(LOAD, 1, 8, font_8); 998 copy_font(LOAD, 2, 14, font_14); 999 load_palette(); 1000 } 1001 scp->status &= ~UNKNOWN_MODE; 1002 set_mode(scp); 1003 clear_screen(scp); 1004 scp->status &= ~KBD_RAW_MODE; 1005 switch_scr(saved_console); 1006 saved_console = -1; 1007 return 0; 1008 1009 case CONSOLE_X_BELL: /* more compatibility */ 1010 /* 1011 * if set, data is a pointer to a length 2 array of 1012 * integers. data[0] is the pitch in Hz and data[1] 1013 * is the duration in msec. 1014 */ 1015 if (data) 1016 sysbeep(TIMER_FREQ/((int*)data)[0], 1017 ((int*)data)[1]*hz/1000); 1018 else 1019 sysbeep(scp->bell_pitch, scp->bell_duration); 1020 return 0; 1021 1022 default: 1023 break; 1024 } 1025 1026 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1027 if (error >= 0) 1028 return(error); 1029 error = ttioctl(tp, cmd, data, flag); 1030 if (error >= 0) 1031 return(error); 1032 return(ENOTTY); 1033 } 1034 1035 void 1036 pcxint(dev_t dev) 1037 { 1038 struct tty *tp = get_tty_ptr(dev); 1039 1040 if (!tp) 1041 return; 1042 tp->t_state &= ~TS_BUSY; 1043 if (tp->t_line) 1044 (*linesw[tp->t_line].l_start)(tp); 1045 else 1046 pcstart(tp); 1047 } 1048 1049 void 1050 pcstart(struct tty *tp) 1051 { 1052 struct clist *rbp; 1053 int i, s, len; 1054 u_char buf[PCBURST]; 1055 scr_stat *scp = get_scr_stat(tp->t_dev); 1056 1057 if (scp->status & SLKED) 1058 return; 1059 s = spltty(); 1060 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1061 tp->t_state |= TS_BUSY; 1062 splx(s); 1063 rbp = &tp->t_outq; 1064 while (rbp->c_cc) { 1065 len = q_to_b(rbp, buf, PCBURST); 1066 for (i=0; i<len; i++) 1067 if (buf[i]) ansi_put(scp, buf[i]); 1068 } 1069 s = spltty(); 1070 tp->t_state &= ~TS_BUSY; 1071 #if 0 1072 if (rbp->c_cc) { 1073 tp->t_state |= TS_TIMEOUT; 1074 timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); 1075 } 1076 #endif 1077 if (rbp->c_cc <= tp->t_lowat) { 1078 if (tp->t_state & TS_ASLEEP) { 1079 tp->t_state &= ~TS_ASLEEP; 1080 wakeup((caddr_t)rbp); 1081 } 1082 selwakeup(&tp->t_wsel); 1083 } 1084 } 1085 splx(s); 1086 } 1087 1088 void 1089 pccnprobe(struct consdev *cp) 1090 { 1091 int maj; 1092 1093 /* locate the major number */ 1094 for (maj = 0; maj < nchrdev; maj++) 1095 if ((void*)cdevsw[maj].d_open == (void*)pcopen) 1096 break; 1097 1098 /* initialize required fields */ 1099 cp->cn_dev = makedev(maj, NCONS); 1100 cp->cn_pri = CN_INTERNAL; 1101 } 1102 1103 void 1104 pccninit(struct consdev *cp) 1105 { 1106 scinit(); 1107 } 1108 1109 void 1110 pccnputc(dev_t dev, char c) 1111 { 1112 if (c == '\n') 1113 scput('\r'); 1114 scput(c); 1115 if (cur_console == &console[0]) { 1116 int pos = cur_console->crtat - cur_console->crt_base; 1117 if (pos != cur_cursor_pos) { 1118 cur_cursor_pos = pos; 1119 outb(crtc_addr,14); 1120 outb(crtc_addr+1,pos >> 8); 1121 outb(crtc_addr,15); 1122 outb(crtc_addr+1,pos&0xff); 1123 } 1124 } 1125 } 1126 1127 int 1128 pccngetc(dev_t dev) 1129 { 1130 int s = spltty(); /* block scintr while we poll */ 1131 int c = scgetc(0); 1132 splx(s); 1133 if (c == '\r') c = '\n'; 1134 return(c); 1135 } 1136 1137 static void 1138 none_saver(int test) 1139 { 1140 } 1141 1142 static void 1143 fade_saver(int test) 1144 { 1145 static int count = 0; 1146 int i; 1147 1148 if (test) { 1149 scrn_blanked = 1; 1150 if (count < 64) { 1151 outb(PIXMASK, 0xFF); /* no pixelmask */ 1152 outb(PALWADR, 0x00); 1153 outb(PALDATA, 0); 1154 outb(PALDATA, 0); 1155 outb(PALDATA, 0); 1156 for (i = 3; i < 768; i++) { 1157 if (palette[i] - count > 15) 1158 outb(PALDATA, palette[i]-count); 1159 else 1160 outb(PALDATA, 15); 1161 } 1162 inb(crtc_addr+6); /* reset flip/flop */ 1163 outb(ATC, 0x20); /* enable palette */ 1164 count++; 1165 } 1166 } 1167 else { 1168 count = scrn_blanked = 0; 1169 load_palette(); 1170 } 1171 } 1172 1173 static void 1174 blank_saver(int test) 1175 { 1176 u_char val; 1177 if (test) { 1178 scrn_blanked = 1; 1179 outb(TSIDX, 0x01); val = inb(TSREG); 1180 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1181 } 1182 else { 1183 scrn_blanked = 0; 1184 outb(TSIDX, 0x01); val = inb(TSREG); 1185 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1186 } 1187 } 1188 1189 static void 1190 green_saver(int test) 1191 { 1192 u_char val; 1193 if (test) { 1194 scrn_blanked = 1; 1195 outb(TSIDX, 0x01); val = inb(TSREG); 1196 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1197 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1198 outb(crtc_addr + 1, val & ~0x80); 1199 } 1200 else { 1201 scrn_blanked = 0; 1202 outb(TSIDX, 0x01); val = inb(TSREG); 1203 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1204 outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); 1205 outb(crtc_addr + 1, val | 0x80); 1206 } 1207 } 1208 1209 #define NUM_STARS 50 1210 1211 /* 1212 * Alternate saver that got its inspiration from a well known utility 1213 * package for an inferior^H^H^H^H^H^Hfamous OS. 1214 */ 1215 static void 1216 star_saver(int test) 1217 { 1218 scr_stat *scp = cur_console; 1219 int cell, i; 1220 char pattern[] = {"...........++++*** "}; 1221 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1222 FG_WHITE, FG_LIGHTCYAN}; 1223 static u_short stars[NUM_STARS][2]; 1224 1225 if (test) { 1226 if (!scrn_blanked) { 1227 bcopy(Crtat, scp->scr_buf, 1228 scp->xsize * scp->ysize * 2); 1229 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1230 scp->xsize * scp->ysize); 1231 set_border(0); 1232 i = scp->ysize * scp->xsize + 5; 1233 outb(crtc_addr, 14); 1234 outb(crtc_addr+1, i >> 8); 1235 outb(crtc_addr, 15); 1236 outb(crtc_addr+1, i & 0xff); 1237 scrn_blanked = 1; 1238 for(i=0; i<NUM_STARS; i++) { 1239 stars[i][0] = 1240 random() % (scp->xsize*scp->ysize); 1241 stars[i][1] = 0; 1242 } 1243 } 1244 cell = random() % NUM_STARS; 1245 *((u_short*)(Crtat + stars[cell][0])) = 1246 scr_map[pattern[stars[cell][1]]] | 1247 colors[random()%sizeof(colors)] << 8; 1248 if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) { 1249 stars[cell][0] = random() % (scp->xsize*scp->ysize); 1250 stars[cell][1] = 0; 1251 } 1252 } 1253 else { 1254 if (scrn_blanked) { 1255 bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); 1256 cur_cursor_pos = -1; 1257 set_border(scp->border); 1258 scrn_blanked = 0; 1259 } 1260 } 1261 } 1262 1263 static void 1264 snake_saver(int test) 1265 { 1266 const char saves[] = {"FreeBSD-2.0"}; 1267 static u_char *savs[sizeof(saves)-1]; 1268 static int dirx, diry; 1269 int f; 1270 scr_stat *scp = cur_console; 1271 1272 if (test) { 1273 if (!scrn_blanked) { 1274 bcopy(Crtat, scp->scr_buf, 1275 scp->xsize * scp->ysize * 2); 1276 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], 1277 Crtat, scp->xsize * scp->ysize); 1278 set_border(0); 1279 dirx = (scp->xpos ? 1 : -1); 1280 diry = (scp->ypos ? 1281 scp->xsize : -scp->xsize); 1282 for (f=0; f< sizeof(saves)-1; f++) 1283 savs[f] = (u_char *)Crtat + 2 * 1284 (scp->xpos+scp->ypos*scp->xsize); 1285 *(savs[0]) = scr_map[*saves]; 1286 f = scp->ysize * scp->xsize + 5; 1287 outb(crtc_addr, 14); 1288 outb(crtc_addr+1, f >> 8); 1289 outb(crtc_addr, 15); 1290 outb(crtc_addr+1, f & 0xff); 1291 scrn_blanked = 1; 1292 } 1293 if (scrn_blanked++ < 4) 1294 return; 1295 scrn_blanked = 1; 1296 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1297 for (f=sizeof(saves)-2; f > 0; f--) 1298 savs[f] = savs[f-1]; 1299 f = (savs[0] - (u_char *)Crtat) / 2; 1300 if ((f % scp->xsize) == 0 || 1301 (f % scp->xsize) == scp->xsize - 1 || 1302 (random() % 50) == 0) 1303 dirx = -dirx; 1304 if ((f / scp->xsize) == 0 || 1305 (f / scp->xsize) == scp->ysize - 1 || 1306 (random() % 20) == 0) 1307 diry = -diry; 1308 savs[0] += 2*dirx + 2*diry; 1309 for (f=sizeof(saves)-2; f>=0; f--) 1310 *(savs[f]) = scr_map[saves[f]]; 1311 } 1312 else { 1313 if (scrn_blanked) { 1314 bcopy(scp->scr_buf, Crtat, 1315 scp->xsize * scp->ysize * 2); 1316 cur_cursor_pos = -1; 1317 set_border(scp->border); 1318 scrn_blanked = 0; 1319 } 1320 } 1321 } 1322 1323 static void 1324 cursor_shape(int start, int end) 1325 { 1326 outb(crtc_addr, 10); 1327 outb(crtc_addr+1, start & 0xFF); 1328 outb(crtc_addr, 11); 1329 outb(crtc_addr+1, end & 0xFF); 1330 } 1331 1332 #if !defined(FAT_CURSOR) 1333 static void 1334 get_cursor_shape(int *start, int *end) 1335 { 1336 outb(crtc_addr, 10); 1337 *start = inb(crtc_addr+1) & 0x1F; 1338 outb(crtc_addr, 11); 1339 *end = inb(crtc_addr+1) & 0x1F; 1340 } 1341 #endif 1342 1343 static void 1344 cursor_pos(int force) 1345 { 1346 int pos; 1347 1348 if (cur_console->status & UNKNOWN_MODE) 1349 return; 1350 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1351 SCRN_SAVER(1); 1352 pos = cur_console->crtat - cur_console->crt_base; 1353 if (force || (!scrn_blanked && pos != cur_cursor_pos)) { 1354 cur_cursor_pos = pos; 1355 outb(crtc_addr, 14); 1356 outb(crtc_addr+1, pos>>8); 1357 outb(crtc_addr, 15); 1358 outb(crtc_addr+1, pos&0xff); 1359 } 1360 timeout((timeout_t)cursor_pos, 0, hz/20); 1361 } 1362 1363 static void 1364 clear_screen(scr_stat *scp) 1365 { 1366 move_crsr(scp, 0, 0); 1367 fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, 1368 scp->xsize * scp->ysize); 1369 } 1370 1371 static int 1372 switch_scr(u_int next_scr) 1373 { 1374 if (switch_in_progress && 1375 (cur_console->proc != pfind(cur_console->pid))) 1376 switch_in_progress = 0; 1377 1378 if (next_scr >= NCONS || switch_in_progress 1379 || (cur_console->smode.mode == VT_AUTO 1380 && cur_console->status & UNKNOWN_MODE)) { 1381 sysbeep(BELL_PITCH, BELL_DURATION); 1382 return EINVAL; 1383 } 1384 1385 /* is the wanted virtual console open ? */ 1386 if (next_scr) { 1387 struct tty *tp = VIRTUAL_TTY(next_scr); 1388 if (!(tp->t_state & TS_ISOPEN)) { 1389 sysbeep(BELL_PITCH, BELL_DURATION); 1390 return EINVAL; 1391 } 1392 } 1393 if (in_putc) { /* delay switch if in putc */ 1394 delayed_next_scr = next_scr+1; 1395 return 0; 1396 } 1397 switch_in_progress = 1; 1398 old_scp = cur_console; 1399 new_scp = &console[next_scr]; 1400 wakeup((caddr_t)&new_scp->smode); 1401 if (new_scp == old_scp) { 1402 switch_in_progress = 0; 1403 return 0; 1404 } 1405 1406 /* has controlling process died? */ 1407 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1408 old_scp->smode.mode = VT_AUTO; 1409 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1410 new_scp->smode.mode = VT_AUTO; 1411 1412 /* check the modes and switch approbiatly */ 1413 if (old_scp->smode.mode == VT_PROCESS) { 1414 old_scp->status |= SWITCH_WAIT_REL; 1415 psignal(old_scp->proc, old_scp->smode.relsig); 1416 } 1417 else { 1418 exchange_scr(); 1419 if (new_scp->smode.mode == VT_PROCESS) { 1420 new_scp->status |= SWITCH_WAIT_ACQ; 1421 psignal(new_scp->proc, new_scp->smode.acqsig); 1422 } 1423 else 1424 switch_in_progress = 0; 1425 } 1426 return 0; 1427 } 1428 1429 static void 1430 exchange_scr(void) 1431 { 1432 struct tty *tp; 1433 1434 bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); 1435 old_scp->crt_base = old_scp->scr_buf; 1436 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1437 cur_console = new_scp; 1438 if (old_scp->mode != new_scp->mode) 1439 set_mode(new_scp); 1440 new_scp->crt_base = Crtat; 1441 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1442 bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); 1443 update_leds(new_scp->status); 1444 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1445 copy_font(LOAD, 0, 16, font_16); 1446 copy_font(LOAD, 1, 8, font_8); 1447 copy_font(LOAD, 2, 14, font_14); 1448 load_palette(); 1449 } 1450 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1451 shfts = ctls = alts = agrs = metas = 0; 1452 delayed_next_scr = 0; 1453 } 1454 1455 static void 1456 move_crsr(scr_stat *scp, int x, int y) 1457 { 1458 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1459 return; 1460 scp->xpos = x; 1461 scp->ypos = y; 1462 scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; 1463 } 1464 1465 static void 1466 move_up(u_short *s, u_short *d, u_int len) 1467 { 1468 s += len; 1469 d += len; 1470 while (len-- > 0) 1471 *--d = *--s; 1472 } 1473 1474 static void 1475 move_down(u_short *s, u_short *d, u_int len) 1476 { 1477 while (len-- > 0) 1478 *d++ = *s++; 1479 } 1480 1481 static void 1482 scan_esc(scr_stat *scp, u_char c) 1483 { 1484 static u_char ansi_col[16] = 1485 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1486 int i, n; 1487 u_short *src, *dst, count; 1488 1489 if (scp->term.esc == 1) { 1490 switch (c) { 1491 1492 case '[': /* Start ESC [ sequence */ 1493 scp->term.esc = 2; 1494 scp->term.last_param = -1; 1495 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1496 scp->term.param[i] = 1; 1497 scp->term.num_param = 0; 1498 return; 1499 1500 case 'M': /* Move cursor up 1 line, scroll if at top */ 1501 if (scp->ypos > 0) 1502 move_crsr(scp, scp->xpos, scp->ypos - 1); 1503 else { 1504 move_up(scp->crt_base, 1505 scp->crt_base + scp->xsize, 1506 (scp->ysize - 1) * scp->xsize); 1507 fillw(scp->term.cur_attr | scr_map[0x20], 1508 scp->crt_base, scp->xsize); 1509 } 1510 break; 1511 #if notyet 1512 case 'Q': 1513 scp->term.esc = 4; 1514 break; 1515 #endif 1516 case 'c': /* Clear screen & home */ 1517 clear_screen(scp); 1518 break; 1519 } 1520 } 1521 else if (scp->term.esc == 2) { 1522 if (c >= '0' && c <= '9') { 1523 if (scp->term.num_param < MAX_ESC_PAR) { 1524 if (scp->term.last_param != scp->term.num_param) { 1525 scp->term.last_param = scp->term.num_param; 1526 scp->term.param[scp->term.num_param] = 0; 1527 } 1528 else 1529 scp->term.param[scp->term.num_param] *= 10; 1530 scp->term.param[scp->term.num_param] += c - '0'; 1531 return; 1532 } 1533 } 1534 scp->term.num_param = scp->term.last_param + 1; 1535 switch (c) { 1536 1537 case ';': 1538 if (scp->term.num_param < MAX_ESC_PAR) 1539 return; 1540 break; 1541 1542 case '=': 1543 scp->term.esc = 3; 1544 scp->term.last_param = -1; 1545 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1546 scp->term.param[i] = 1; 1547 scp->term.num_param = 0; 1548 return; 1549 1550 case 'A': /* up n rows */ 1551 n = scp->term.param[0]; if (n < 1) n = 1; 1552 move_crsr(scp, scp->xpos, scp->ypos - n); 1553 break; 1554 1555 case 'B': /* down n rows */ 1556 n = scp->term.param[0]; if (n < 1) n = 1; 1557 move_crsr(scp, scp->xpos, scp->ypos + n); 1558 break; 1559 1560 case 'C': /* right n columns */ 1561 n = scp->term.param[0]; if (n < 1) n = 1; 1562 move_crsr(scp, scp->xpos + n, scp->ypos); 1563 break; 1564 1565 case 'D': /* left n columns */ 1566 n = scp->term.param[0]; if (n < 1) n = 1; 1567 move_crsr(scp, scp->xpos - n, scp->ypos); 1568 break; 1569 1570 case 'E': /* cursor to start of line n lines down */ 1571 n = scp->term.param[0]; if (n < 1) n = 1; 1572 move_crsr(scp, 0, scp->ypos + n); 1573 break; 1574 1575 case 'F': /* cursor to start of line n lines up */ 1576 n = scp->term.param[0]; if (n < 1) n = 1; 1577 move_crsr(scp, 0, scp->ypos - n); 1578 break; 1579 1580 case 'f': /* System V consoles .. */ 1581 case 'H': /* Cursor move */ 1582 if (scp->term.num_param == 0) 1583 move_crsr(scp, 0, 0); 1584 else if (scp->term.num_param == 2) 1585 move_crsr(scp, scp->term.param[1] - 1, 1586 scp->term.param[0] - 1); 1587 break; 1588 1589 case 'J': /* Clear all or part of display */ 1590 if (scp->term.num_param == 0) 1591 n = 0; 1592 else 1593 n = scp->term.param[0]; 1594 switch (n) { 1595 case 0: /* clear form cursor to end of display */ 1596 fillw(scp->term.cur_attr | scr_map[0x20], 1597 scp->crtat, scp->crt_base + 1598 scp->xsize * scp->ysize - 1599 scp->crtat); 1600 break; 1601 case 1: /* clear from beginning of display to cursor */ 1602 fillw(scp->term.cur_attr | scr_map[0x20], 1603 scp->crt_base, 1604 scp->crtat - scp->crt_base); 1605 break; 1606 case 2: /* clear entire display */ 1607 clear_screen(scp); 1608 break; 1609 } 1610 break; 1611 1612 case 'K': /* Clear all or part of line */ 1613 if (scp->term.num_param == 0) 1614 n = 0; 1615 else 1616 n = scp->term.param[0]; 1617 switch (n) { 1618 case 0: /* clear form cursor to end of line */ 1619 fillw(scp->term.cur_attr | scr_map[0x20], 1620 scp->crtat, scp->xsize - scp->xpos); 1621 break; 1622 case 1: /* clear from beginning of line to cursor */ 1623 fillw(scp->term.cur_attr|scr_map[0x20], 1624 scp->crtat - (scp->xsize - scp->xpos), 1625 (scp->xsize - scp->xpos) + 1); 1626 break; 1627 case 2: /* clear entire line */ 1628 fillw(scp->term.cur_attr|scr_map[0x20], 1629 scp->crtat - (scp->xsize - scp->xpos), 1630 scp->xsize); 1631 break; 1632 } 1633 break; 1634 1635 case 'L': /* Insert n lines */ 1636 n = scp->term.param[0]; if (n < 1) n = 1; 1637 if (n > scp->ysize - scp->ypos) 1638 n = scp->ysize - scp->ypos; 1639 src = scp->crt_base + scp->ypos * scp->xsize; 1640 dst = src + n * scp->xsize; 1641 count = scp->ysize - (scp->ypos + n); 1642 move_up(src, dst, count * scp->xsize); 1643 fillw(scp->term.cur_attr | scr_map[0x20], src, 1644 n * scp->xsize); 1645 break; 1646 1647 case 'M': /* Delete n lines */ 1648 n = scp->term.param[0]; if (n < 1) n = 1; 1649 if (n > scp->ysize - scp->ypos) 1650 n = scp->ysize - scp->ypos; 1651 dst = scp->crt_base + scp->ypos * scp->xsize; 1652 src = dst + n * scp->xsize; 1653 count = scp->ysize - (scp->ypos + n); 1654 move_down(src, dst, count * scp->xsize); 1655 src = dst + count * scp->xsize; 1656 fillw(scp->term.cur_attr | scr_map[0x20], src, 1657 n * scp->xsize); 1658 break; 1659 1660 case 'P': /* Delete n chars */ 1661 n = scp->term.param[0]; if (n < 1) n = 1; 1662 if (n > scp->xsize - scp->xpos) 1663 n = scp->xsize - scp->xpos; 1664 dst = scp->crtat; 1665 src = dst + n; 1666 count = scp->xsize - (scp->xpos + n); 1667 move_down(src, dst, count); 1668 src = dst + count; 1669 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1670 break; 1671 1672 case '@': /* Insert n chars */ 1673 n = scp->term.param[0]; if (n < 1) n = 1; 1674 if (n > scp->xsize - scp->xpos) 1675 n = scp->xsize - scp->xpos; 1676 src = scp->crtat; 1677 dst = src + n; 1678 count = scp->xsize - (scp->xpos + n); 1679 move_up(src, dst, count); 1680 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1681 break; 1682 1683 case 'S': /* scroll up n lines */ 1684 n = scp->term.param[0]; if (n < 1) n = 1; 1685 if (n > scp->ypos) 1686 n = scp->ypos; 1687 bcopy(scp->crt_base + (scp->xsize * n), 1688 scp->crt_base, 1689 scp->xsize * (scp->ysize - n) * 1690 sizeof(u_short)); 1691 fillw(scp->term.cur_attr | scr_map[0x20], 1692 scp->crt_base + scp->xsize * 1693 (scp->ysize - 1), 1694 scp->xsize); 1695 break; 1696 1697 case 'T': /* scroll down n lines */ 1698 n = scp->term.param[0]; if (n < 1) n = 1; 1699 if (n > scp->ysize - scp->ypos) 1700 n = scp->ysize - scp->ypos; 1701 bcopy(scp->crt_base, 1702 scp->crt_base + (scp->xsize * n), 1703 scp->xsize * (scp->ysize - n) * 1704 sizeof(u_short)); 1705 fillw(scp->term.cur_attr | scr_map[0x20], 1706 scp->crt_base, scp->xsize); 1707 break; 1708 1709 case 'X': /* delete n characters in line */ 1710 n = scp->term.param[0]; if (n < 1) n = 1; 1711 if (n > scp->xsize - scp->xpos) 1712 n = scp->xsize - scp->xpos; 1713 fillw(scp->term.cur_attr | scr_map[0x20], 1714 scp->crt_base + scp->xpos + 1715 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1716 break; 1717 1718 case 'Z': /* move n tabs backwards */ 1719 n = scp->term.param[0]; if (n < 1) n = 1; 1720 if ((i = scp->xpos & 0xf8) == scp->xpos) 1721 i -= 8*n; 1722 else 1723 i -= 8*(n-1); 1724 if (i < 0) 1725 i = 0; 1726 move_crsr(scp, i, scp->ypos); 1727 break; 1728 1729 case '`': /* move cursor to column n */ 1730 n = scp->term.param[0]; if (n < 1) n = 1; 1731 move_crsr(scp, n, scp->ypos); 1732 break; 1733 1734 case 'a': /* move cursor n columns to the right */ 1735 n = scp->term.param[0]; if (n < 1) n = 1; 1736 move_crsr(scp, scp->xpos + n, scp->ypos); 1737 break; 1738 1739 case 'd': /* move cursor to row n */ 1740 n = scp->term.param[0]; if (n < 1) n = 1; 1741 move_crsr(scp, scp->xpos, n); 1742 break; 1743 1744 case 'e': /* move cursor n rows down */ 1745 n = scp->term.param[0]; if (n < 1) n = 1; 1746 move_crsr(scp, scp->xpos, scp->ypos + n); 1747 break; 1748 1749 case 'm': /* change attribute */ 1750 if (scp->term.num_param == 0) { 1751 scp->term.cur_attr = scp->term.std_attr; 1752 break; 1753 } 1754 for (i = 0; i < scp->term.num_param; i++) { 1755 switch (n = scp->term.param[i]) { 1756 case 0: /* back to normal */ 1757 scp->term.cur_attr = scp->term.std_attr; 1758 break; 1759 case 1: /* highlight (bold) */ 1760 scp->term.cur_attr &= 0xFF00; 1761 scp->term.cur_attr |= 0x0800; 1762 break; 1763 case 4: /* highlight (underline) */ 1764 scp->term.cur_attr &= 0xFF00; 1765 scp->term.cur_attr |= 0x0800; 1766 break; 1767 case 5: /* blink */ 1768 scp->term.cur_attr &= 0xFF00; 1769 scp->term.cur_attr |= 0x8000; 1770 break; 1771 case 7: /* reverse video */ 1772 scp->term.cur_attr = scp->term.rev_attr; 1773 break; 1774 case 30: case 31: /* set fg color */ 1775 case 32: case 33: case 34: 1776 case 35: case 36: case 37: 1777 scp->term.cur_attr = 1778 (scp->term.cur_attr & 0xF8FF) 1779 | (ansi_col[(n-30) & 7] << 8); 1780 break; 1781 case 40: case 41: /* set bg color */ 1782 case 42: case 43: case 44: 1783 case 45: case 46: case 47: 1784 scp->term.cur_attr = 1785 (scp->term.cur_attr & 0x8FFF) 1786 | (ansi_col[(n-40) & 7] << 12); 1787 break; 1788 } 1789 } 1790 break; 1791 1792 case 'x': 1793 if (scp->term.num_param == 0) 1794 n = 0; 1795 else 1796 n = scp->term.param[0]; 1797 switch (n) { 1798 case 0: /* reset attributes */ 1799 scp->term.cur_attr = scp->term.std_attr = 1800 current_default->std_attr; 1801 scp->term.rev_attr = current_default->rev_attr; 1802 break; 1803 case 1: /* set ansi background */ 1804 scp->term.cur_attr = scp->term.std_attr = 1805 (scp->term.std_attr & 0x0F00) | 1806 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1807 break; 1808 case 2: /* set ansi foreground */ 1809 scp->term.cur_attr = scp->term.std_attr = 1810 (scp->term.std_attr & 0xF000) | 1811 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1812 break; 1813 case 3: /* set ansi attribute directly */ 1814 scp->term.cur_attr = scp->term.std_attr = 1815 (scp->term.param[1]&0xFF)<<8; 1816 break; 1817 case 5: /* set ansi reverse video background */ 1818 scp->term.rev_attr = 1819 (scp->term.rev_attr & 0x0F00) | 1820 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1821 break; 1822 case 6: /* set ansi reverse video foreground */ 1823 scp->term.rev_attr = 1824 (scp->term.rev_attr & 0xF000) | 1825 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1826 break; 1827 case 7: /* set ansi reverse video directly */ 1828 scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; 1829 break; 1830 } 1831 break; 1832 1833 case 'z': /* switch to (virtual) console n */ 1834 if (scp->term.num_param == 1) 1835 switch_scr(scp->term.param[0]); 1836 break; 1837 } 1838 } 1839 else if (scp->term.esc == 3) { 1840 if (c >= '0' && c <= '9') { 1841 if (scp->term.num_param < MAX_ESC_PAR) { 1842 if (scp->term.last_param != scp->term.num_param) { 1843 scp->term.last_param = scp->term.num_param; 1844 scp->term.param[scp->term.num_param] = 0; 1845 } 1846 else 1847 scp->term.param[scp->term.num_param] *= 10; 1848 scp->term.param[scp->term.num_param] += c - '0'; 1849 return; 1850 } 1851 } 1852 scp->term.num_param = scp->term.last_param + 1; 1853 switch (c) { 1854 1855 case ';': 1856 if (scp->term.num_param < MAX_ESC_PAR) 1857 return; 1858 break; 1859 1860 case 'A': /* set display border color */ 1861 if (scp->term.num_param == 1) 1862 scp->border=scp->term.param[0] & 0xff; 1863 if (scp == cur_console) 1864 set_border(scp->border); 1865 break; 1866 1867 case 'B': /* set bell pitch and duration */ 1868 if (scp->term.num_param == 2) { 1869 scp->bell_pitch = scp->term.param[0]; 1870 scp->bell_duration = scp->term.param[1]*10; 1871 } 1872 break; 1873 1874 case 'C': /* set cursor shape (start & end line) */ 1875 if (scp->term.num_param == 2) { 1876 scp->cursor_start = scp->term.param[0] & 0x1F; 1877 scp->cursor_end = scp->term.param[1] & 0x1F; 1878 if (scp == cur_console) 1879 cursor_shape(scp->cursor_start, 1880 scp->cursor_end); 1881 } 1882 break; 1883 1884 case 'F': /* set ansi foreground */ 1885 if (scp->term.num_param == 1) 1886 scp->term.cur_attr = scp->term.std_attr = 1887 (scp->term.std_attr & 0xF000) 1888 | ((scp->term.param[0] & 0x0F) << 8); 1889 break; 1890 1891 case 'G': /* set ansi background */ 1892 if (scp->term.num_param == 1) 1893 scp->term.cur_attr = scp->term.std_attr = 1894 (scp->term.std_attr & 0x0F00) 1895 | ((scp->term.param[0] & 0x0F) << 12); 1896 break; 1897 1898 case 'H': /* set ansi reverse video foreground */ 1899 if (scp->term.num_param == 1) 1900 scp->term.rev_attr = 1901 (scp->term.rev_attr & 0xF000) 1902 | ((scp->term.param[0] & 0x0F) << 8); 1903 break; 1904 1905 case 'I': /* set ansi reverse video background */ 1906 if (scp->term.num_param == 1) 1907 scp->term.rev_attr = 1908 (scp->term.rev_attr & 0x0F00) 1909 | ((scp->term.param[0] & 0x0F) << 12); 1910 break; 1911 } 1912 } 1913 scp->term.esc = 0; 1914 } 1915 1916 static void 1917 ansi_put(scr_stat *scp, u_char c) 1918 { 1919 if (scp->status & UNKNOWN_MODE) 1920 return; 1921 1922 /* make screensaver happy */ 1923 if (scp == cur_console) { 1924 scrn_time_stamp = time.tv_sec; 1925 if (scrn_blanked) 1926 SCRN_SAVER(0); 1927 } 1928 in_putc++; 1929 if (scp->term.esc) 1930 scan_esc(scp, c); 1931 else switch(c) { 1932 case 0x1B: /* start escape sequence */ 1933 scp->term.esc = 1; 1934 scp->term.num_param = 0; 1935 break; 1936 case 0x07: 1937 if (scp == cur_console) 1938 sysbeep(scp->bell_pitch, scp->bell_duration); 1939 break; 1940 case '\t': /* non-destructive tab */ 1941 scp->crtat += (8 - scp->xpos % 8); 1942 scp->xpos += (8 - scp->xpos % 8); 1943 break; 1944 case '\b': /* non-destructive backspace */ 1945 if (scp->crtat > scp->crt_base) { 1946 scp->crtat--; 1947 if (scp->xpos > 0) 1948 scp->xpos--; 1949 else { 1950 scp->xpos += scp->xsize - 1; 1951 scp->ypos--; 1952 } 1953 } 1954 break; 1955 case '\r': /* return to pos 0 */ 1956 move_crsr(scp, 0, scp->ypos); 1957 break; 1958 case '\n': /* newline, same pos */ 1959 scp->crtat += scp->xsize; 1960 scp->ypos++; 1961 break; 1962 case '\f': /* form feed, clears screen */ 1963 clear_screen(scp); 1964 break; 1965 default: 1966 /* Print only printables */ 1967 *scp->crtat = (scp->term.cur_attr | scr_map[c]); 1968 scp->crtat++; 1969 if (++scp->xpos >= scp->xsize) { 1970 scp->xpos = 0; 1971 scp->ypos++; 1972 } 1973 break; 1974 } 1975 if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { 1976 bcopy(scp->crt_base + scp->xsize, scp->crt_base, 1977 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1978 fillw(scp->term.cur_attr | scr_map[0x20], 1979 scp->crt_base + scp->xsize * (scp->ysize - 1), 1980 scp->xsize); 1981 scp->crtat -= scp->xsize; 1982 scp->ypos--; 1983 } 1984 in_putc--; 1985 if (delayed_next_scr) 1986 switch_scr(delayed_next_scr - 1); 1987 } 1988 1989 static void 1990 scinit(void) 1991 { 1992 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1993 unsigned cursorat; 1994 int start = -1, end = -1, i; 1995 scr_stat *scp; 1996 1997 /* 1998 * catch that once in a blue moon occurence when scinit is called 1999 * TWICE, adding the CGA_BUF offset again -> poooff 2000 */ 2001 if (crtat != 0) 2002 return; 2003 /* 2004 * Crtat initialized to point to MONO buffer, if not present change 2005 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 2006 * in the remapped offset at the "right" time 2007 */ 2008 was = *cp; 2009 *cp = (u_short) 0xA55A; 2010 if (*cp != 0xA55A) { 2011 crtc_addr = MONO_BASE; 2012 } else { 2013 *cp = was; 2014 crtc_addr = COLOR_BASE; 2015 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 2016 } 2017 2018 /* Extract cursor location */ 2019 outb(crtc_addr,14); 2020 cursorat = inb(crtc_addr+1)<<8 ; 2021 outb(crtc_addr,15); 2022 cursorat |= inb(crtc_addr+1); 2023 crtat = Crtat + cursorat; 2024 2025 /* is this a VGA or higher ? */ 2026 outb(crtc_addr, 7); 2027 if (inb(crtc_addr) == 7) { 2028 crtc_vga = 1; 2029 #if defined(FAT_CURSOR) 2030 start = 0; 2031 end = 18; 2032 #else 2033 get_cursor_shape(&start, &end); 2034 #endif 2035 } 2036 current_default = &user_default; 2037 for (i = 0; i < NCONS; i++) { 2038 scp = &console[i]; 2039 scp->mode = M_VGA_C80x25; 2040 scp->term.esc = 0; 2041 scp->term.std_attr = current_default->std_attr; 2042 scp->term.rev_attr = current_default->rev_attr; 2043 scp->term.cur_attr = scp->term.std_attr; 2044 scp->border = BG_BLACK; 2045 scp->cursor_start = start; 2046 scp->cursor_end = end; 2047 scp->xsize = COL; 2048 scp->ysize = ROW; 2049 scp->bell_pitch = BELL_PITCH; 2050 scp->bell_duration = BELL_DURATION; 2051 scp->status = NLKED; 2052 scp->pid = 0; 2053 scp->proc = NULL; 2054 scp->smode.mode = VT_AUTO; 2055 if (i == 0) { 2056 scp->xpos = cursorat % COL; 2057 scp->ypos = cursorat / COL; 2058 scp->crt_base = Crtat; 2059 scp->crtat = crtat; 2060 } 2061 } 2062 kernel_console.esc = 0; 2063 kernel_console.std_attr = kernel_default.std_attr; 2064 kernel_console.rev_attr = kernel_default.rev_attr; 2065 kernel_console.cur_attr = kernel_default.std_attr; 2066 /* initialize mapscrn array to a one to one map */ 2067 for (i=0; i<sizeof(scr_map); i++) 2068 scr_map[i] = i; 2069 } 2070 2071 static void 2072 scput(u_char c) 2073 { 2074 scr_stat *scp = &console[0]; 2075 term_stat save; 2076 2077 if (crtat == 0) 2078 scinit(); 2079 if( in_putc == 0) { 2080 ++in_putc; 2081 save = scp->term; 2082 scp->term = kernel_console; 2083 current_default = &kernel_default; 2084 ansi_put(scp, c); 2085 kernel_console = scp->term; 2086 current_default = &user_default; 2087 scp->term = save; 2088 --in_putc; 2089 } else { 2090 if( console_buffer_count < CONSOLE_BUFSIZE) 2091 console_buffer[console_buffer_count++] = c; 2092 } 2093 } 2094 2095 static u_char 2096 *get_fstr(u_int c, u_int *len) 2097 { 2098 u_int i; 2099 2100 if (!(c & FKEY)) 2101 return(NULL); 2102 i = (c & 0xFF) - F_FN; 2103 if (i > n_fkey_tab) 2104 return(NULL); 2105 *len = fkey_tab[i].len; 2106 return(fkey_tab[i].str); 2107 } 2108 2109 static void 2110 update_leds(int which) 2111 { 2112 int s; 2113 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2114 2115 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2116 if (key_map.n_keys > ALTGR_OFFSET) { 2117 if (which & ALKED) 2118 which |= CLKED; 2119 else 2120 which &= ~CLKED; 2121 } 2122 s = spltty(); 2123 kbd_cmd(KB_SETLEDS); 2124 kbd_cmd(xlate_leds[which & LED_MASK]); 2125 splx(s); 2126 } 2127 2128 /* 2129 * scgetc(noblock) - get character from keyboard. 2130 * If noblock = 0 wait until a key is pressed. 2131 * Else return NOKEY. 2132 */ 2133 u_int 2134 scgetc(int noblock) 2135 { 2136 u_char scancode, keycode; 2137 u_int state, action; 2138 struct key_t *key; 2139 static u_char esc_flag = 0, compose = 0; 2140 static u_int chr = 0; 2141 2142 next_code: 2143 kbd_wait(); 2144 /* First see if there is something in the keyboard port */ 2145 if (inb(KB_STAT) & KB_BUF_FULL) 2146 scancode = inb(KB_DATA); 2147 else if (noblock) 2148 return(NOKEY); 2149 else 2150 goto next_code; 2151 2152 if (cur_console->status & KBD_RAW_MODE) 2153 return scancode; 2154 #if ASYNCH 2155 if (scancode == KB_ACK || scancode == KB_RESEND) { 2156 kbd_reply = scancode; 2157 if (noblock) 2158 return(NOKEY); 2159 goto next_code; 2160 } 2161 #endif 2162 keycode = scancode & 0x7F; 2163 switch (esc_flag) { 2164 case 0x00: /* normal scancode */ 2165 switch(scancode) { 2166 case 0xB8: /* left alt (compose key) */ 2167 if (compose) { 2168 compose = 0; 2169 if (chr > 255) { 2170 sysbeep(BELL_PITCH, BELL_DURATION); 2171 chr = 0; 2172 } 2173 } 2174 break; 2175 case 0x38: 2176 if (!compose) { 2177 compose = 1; 2178 chr = 0; 2179 } 2180 break; 2181 case 0xE0: 2182 case 0xE1: 2183 esc_flag = scancode; 2184 goto next_code; 2185 } 2186 break; 2187 case 0xE0: /* 0xE0 prefix */ 2188 esc_flag = 0; 2189 switch (keycode) { 2190 case 0x1C: /* right enter key */ 2191 keycode = 0x59; 2192 break; 2193 case 0x1D: /* right ctrl key */ 2194 keycode = 0x5A; 2195 break; 2196 case 0x35: /* keypad divide key */ 2197 keycode = 0x5B; 2198 break; 2199 case 0x37: /* print scrn key */ 2200 keycode = 0x5C; 2201 break; 2202 case 0x38: /* right alt key (alt gr) */ 2203 keycode = 0x5D; 2204 break; 2205 case 0x47: /* grey home key */ 2206 keycode = 0x5E; 2207 break; 2208 case 0x48: /* grey up arrow key */ 2209 keycode = 0x5F; 2210 break; 2211 case 0x49: /* grey page up key */ 2212 keycode = 0x60; 2213 break; 2214 case 0x4B: /* grey left arrow key */ 2215 keycode = 0x61; 2216 break; 2217 case 0x4D: /* grey right arrow key */ 2218 keycode = 0x62; 2219 break; 2220 case 0x4F: /* grey end key */ 2221 keycode = 0x63; 2222 break; 2223 case 0x50: /* grey down arrow key */ 2224 keycode = 0x64; 2225 break; 2226 case 0x51: /* grey page down key */ 2227 keycode = 0x65; 2228 break; 2229 case 0x52: /* grey insert key */ 2230 keycode = 0x66; 2231 break; 2232 case 0x53: /* grey delete key */ 2233 keycode = 0x67; 2234 break; 2235 default: /* ignore everything else */ 2236 goto next_code; 2237 } 2238 break; 2239 case 0xE1: /* 0xE1 prefix */ 2240 esc_flag = 0; 2241 if (keycode == 0x1D) 2242 esc_flag = 0x1D; 2243 goto next_code; 2244 /* NOT REACHED */ 2245 case 0x1D: /* pause / break */ 2246 esc_flag = 0; 2247 if (keycode != 0x45) 2248 goto next_code; 2249 keycode = 0x68; 2250 break; 2251 } 2252 2253 if (compose) { 2254 switch (scancode) { 2255 /* key pressed process it */ 2256 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2257 chr = (scancode - 0x40) + chr*10; 2258 goto next_code; 2259 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2260 chr = (scancode - 0x47) + chr*10; 2261 goto next_code; 2262 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2263 chr = (scancode - 0x4E) + chr*10; 2264 goto next_code; 2265 case 0x52: /* keypad 0 */ 2266 chr *= 10; 2267 goto next_code; 2268 2269 /* key release, no interest here */ 2270 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2271 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2272 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2273 case 0xD2: /* keypad 0 */ 2274 goto next_code; 2275 2276 case 0x38: /* left alt key */ 2277 break; 2278 default: 2279 if (chr) { 2280 compose = chr = 0; 2281 sysbeep(BELL_PITCH, BELL_DURATION); 2282 goto next_code; 2283 } 2284 break; 2285 } 2286 } 2287 2288 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2289 if ((!agrs && (cur_console->status & ALKED)) 2290 || (agrs && !(cur_console->status & ALKED))) 2291 keycode += ALTGR_OFFSET; 2292 key = &key_map.key[keycode]; 2293 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2294 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2295 state ^= 1; 2296 2297 /* Check for make/break */ 2298 action = key->map[state]; 2299 if (scancode & 0x80) { /* key released */ 2300 if (key->spcl & 0x80) { 2301 switch (action) { 2302 case LSH: 2303 shfts &= ~1; 2304 break; 2305 case RSH: 2306 shfts &= ~2; 2307 break; 2308 case LCTR: 2309 ctls &= ~1; 2310 break; 2311 case RCTR: 2312 ctls &= ~2; 2313 break; 2314 case LALT: 2315 alts &= ~1; 2316 break; 2317 case RALT: 2318 alts &= ~2; 2319 break; 2320 case NLK: 2321 nlkcnt = 0; 2322 break; 2323 case CLK: 2324 clkcnt = 0; 2325 break; 2326 case SLK: 2327 slkcnt = 0; 2328 break; 2329 case ASH: 2330 agrs = 0; 2331 break; 2332 case ALK: 2333 alkcnt = 0; 2334 break; 2335 case META: 2336 metas = 0; 2337 break; 2338 } 2339 } 2340 if (chr && !compose) { 2341 action = chr; 2342 chr = 0; 2343 return(action); 2344 } 2345 } else { 2346 /* key pressed */ 2347 if (key->spcl & (0x80>>state)) { 2348 switch (action) { 2349 /* LOCKING KEYS */ 2350 case NLK: 2351 if (!nlkcnt) { 2352 nlkcnt++; 2353 if (cur_console->status & NLKED) 2354 cur_console->status &= ~NLKED; 2355 else 2356 cur_console->status |= NLKED; 2357 update_leds(cur_console->status); 2358 } 2359 break; 2360 case CLK: 2361 if (!clkcnt) { 2362 clkcnt++; 2363 if (cur_console->status & CLKED) 2364 cur_console->status &= ~CLKED; 2365 else 2366 cur_console->status |= CLKED; 2367 update_leds(cur_console->status); 2368 } 2369 break; 2370 case SLK: 2371 if (!slkcnt) { 2372 slkcnt++; 2373 if (cur_console->status & SLKED) { 2374 cur_console->status &= ~SLKED; 2375 pcstart(VIRTUAL_TTY(get_scr_num())); 2376 } 2377 else 2378 cur_console->status |= SLKED; 2379 update_leds(cur_console->status); 2380 } 2381 break; 2382 case ALK: 2383 if (!alkcnt) { 2384 alkcnt++; 2385 if (cur_console->status & ALKED) 2386 cur_console->status &= ~ALKED; 2387 else 2388 cur_console->status |= ALKED; 2389 update_leds(cur_console->status); 2390 } 2391 break; 2392 2393 /* NON-LOCKING KEYS */ 2394 case NOP: 2395 break; 2396 case RBT: 2397 shutdown_nice(); 2398 break; 2399 case DBG: 2400 #ifdef DDB /* try to switch to console 0 */ 2401 if (cur_console->smode.mode == VT_AUTO && 2402 console[0].smode.mode == VT_AUTO) 2403 switch_scr(0); 2404 Debugger("manual escape to debugger"); 2405 return(NOKEY); 2406 #else 2407 printf("No debugger in kernel\n"); 2408 #endif 2409 break; 2410 case LSH: 2411 shfts |= 1; 2412 break; 2413 case RSH: 2414 shfts |= 2; 2415 break; 2416 case LCTR: 2417 ctls |= 1; 2418 break; 2419 case RCTR: 2420 ctls |= 2; 2421 break; 2422 case LALT: 2423 alts |= 1; 2424 break; 2425 case RALT: 2426 alts |= 2; 2427 break; 2428 case ASH: 2429 agrs = 1; 2430 break; 2431 case META: 2432 metas = 1; 2433 break; 2434 case NEXT: 2435 switch_scr((get_scr_num()+1)%NCONS); 2436 break; 2437 default: 2438 if (action >= F_SCR && action <= L_SCR) { 2439 switch_scr(action - F_SCR); 2440 break; 2441 } 2442 if (action >= F_FN && action <= L_FN) 2443 action |= FKEY; 2444 return(action); 2445 } 2446 } 2447 else { 2448 if (metas) 2449 action |= MKEY; 2450 return(action); 2451 } 2452 } 2453 goto next_code; 2454 } 2455 2456 int 2457 getchar(void) 2458 { 2459 u_char thechar; 2460 int s; 2461 2462 polling = 1; 2463 s = splhigh(); 2464 scput('>'); 2465 thechar = (u_char) scgetc(0); 2466 polling = 0; 2467 splx(s); 2468 switch (thechar) { 2469 default: 2470 if (thechar >= scr_map[0x20]) 2471 scput(thechar); 2472 return(thechar); 2473 case cr: 2474 case lf: 2475 scput(cr); scput(lf); 2476 return(lf); 2477 case bs: 2478 case del: 2479 scput(bs); scput(scr_map[0x20]); scput(bs); 2480 return(thechar); 2481 case cntld: 2482 scput('^'); scput('D'); scput('\r'); scput('\n'); 2483 return(0); 2484 } 2485 } 2486 2487 u_int 2488 sgetc(int noblock) 2489 { 2490 return (scgetc(noblock) & 0xff); 2491 } 2492 2493 int 2494 pcmmap(dev_t dev, int offset, int nprot) 2495 { 2496 if (offset > 0x20000) 2497 return EINVAL; 2498 return i386_btop((VIDEOMEM + offset)); 2499 } 2500 2501 static void 2502 kbd_wait(void) 2503 { 2504 int i = 1000; 2505 2506 while (i--) { 2507 if ((inb(KB_STAT) & KB_READY) == 0) 2508 break; 2509 DELAY (10); 2510 } 2511 } 2512 2513 static void 2514 kbd_cmd(u_char command) 2515 { 2516 int retry = 5; 2517 do { 2518 int i = 100000; 2519 2520 kbd_wait(); 2521 #if ASYNCH 2522 kbd_reply = 0; 2523 outb(KB_DATA, command); 2524 while (i--) { 2525 if (kbd_reply == KB_ACK) 2526 return; 2527 if (kbd_reply == KB_RESEND) 2528 break; 2529 } 2530 #else 2531 outb(KB_DATA, command); 2532 while (i--) { 2533 if (inb(KB_STAT) & KB_BUF_FULL) { 2534 int val; 2535 DELAY(10); 2536 val = inb(KB_DATA); 2537 if (val == KB_ACK) 2538 return; 2539 if (val == KB_RESEND) 2540 break; 2541 } 2542 } 2543 #endif 2544 } while (retry--); 2545 } 2546 2547 static void 2548 set_mode(scr_stat *scp) 2549 { 2550 char *modetable; 2551 char special_modetable[64]; 2552 int mode, font_size; 2553 2554 if (scp != cur_console) 2555 return; 2556 2557 /* mode change only on VGA's */ 2558 if (!crtc_vga) { 2559 /* (re)activate cursor */ 2560 untimeout((timeout_t)cursor_pos, 0); 2561 cursor_pos(1); 2562 return; 2563 } 2564 2565 /* setup video hardware for the given mode */ 2566 switch (scp->mode) { 2567 case M_VGA_C80x50: 2568 bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 2569 special_modetable[2] = 8; 2570 special_modetable[19] = 7; 2571 modetable = special_modetable; 2572 goto setup_mode; 2573 2574 case M_VGA_M80x50: 2575 bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 2576 special_modetable[2] = 8; 2577 special_modetable[19] = 7; 2578 modetable = special_modetable; 2579 goto setup_mode; 2580 2581 case M_ENH_B80x43: 2582 bcopy(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 2583 special_modetable[2] = 8; 2584 special_modetable[19] = 7; 2585 special_modetable[28] = 87; 2586 modetable = special_modetable; 2587 goto setup_mode; 2588 2589 case M_ENH_C80x43: 2590 bcopy(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 2591 special_modetable[2] = 8; 2592 special_modetable[19] = 7; 2593 special_modetable[28] = 87; 2594 modetable = special_modetable; 2595 goto setup_mode; 2596 2597 case M_VGA_C40x25: case M_VGA_C80x25: /* VGA TEXT MODES */ 2598 case M_VGA_M80x25: 2599 case M_B40x25: case M_C40x25: 2600 case M_B80x25: case M_C80x25: 2601 case M_ENH_B40x25: case M_ENH_C40x25: 2602 case M_ENH_B80x25: case M_ENH_C80x25: 2603 2604 modetable = (char*)(video_mode_ptr + (scp->mode * 64)); 2605 setup_mode: 2606 set_vgaregs(modetable); 2607 font_size = *(modetable + 2); 2608 /* change cursor type if set */ 2609 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2610 cursor_shape(scp->cursor_start, 2611 (scp->cursor_end >= font_size) 2612 ? font_size - 1 2613 : scp->cursor_end); 2614 2615 /* set font type (size) */ 2616 switch (font_size) { 2617 case 0x08: 2618 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2619 break; 2620 case 0x0E: 2621 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2622 break; 2623 case 0x10: 2624 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2625 break; 2626 default: 2627 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2628 } 2629 2630 /* (re)activate cursor */ 2631 untimeout((timeout_t)cursor_pos, 0); 2632 cursor_pos(1); 2633 break; 2634 2635 case M_BG320: case M_CG320: case M_BG640: 2636 case M_CG320_D: case M_CG640_E: 2637 case M_CG640x350: case M_ENH_CG640: 2638 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2639 2640 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2641 break; 2642 2643 default: 2644 /* call user defined function XXX */ 2645 break; 2646 } 2647 2648 /* set border color for this (virtual) console */ 2649 set_border(scp->border); 2650 return; 2651 } 2652 2653 static void 2654 set_border(int color) 2655 { 2656 inb(crtc_addr+6); /* reset flip-flop */ 2657 outb(ATC, 0x11); outb(ATC, color); 2658 inb(crtc_addr+6); /* reset flip-flop */ 2659 outb(ATC, 0x20); /* enable Palette */ 2660 } 2661 2662 static void 2663 set_vgaregs(char *modetable) 2664 { 2665 int i, s = splhigh(); 2666 2667 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2668 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2669 for (i=0; i<4; i++) { /* program sequencer */ 2670 outb(TSIDX, i+1); 2671 outb(TSREG, modetable[i+5]); 2672 } 2673 outb(MISC, modetable[9]); /* set dot-clock */ 2674 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2675 outb(crtc_addr, 0x11); 2676 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2677 for (i=0; i<25; i++) { /* program crtc */ 2678 outb(crtc_addr, i); 2679 outb(crtc_addr+1, modetable[i+10]); 2680 } 2681 inb(crtc_addr+6); /* reset flip-flop */ 2682 for (i=0; i<20; i++) { /* program attribute ctrl */ 2683 outb(ATC, i); 2684 outb(ATC, modetable[i+35]); 2685 } 2686 for (i=0; i<9; i++) { /* program graph data ctrl */ 2687 outb(GDCIDX, i); 2688 outb(GDCREG, modetable[i+55]); 2689 } 2690 inb(crtc_addr+6); /* reset flip-flop */ 2691 outb(ATC ,0x20); /* enable palette */ 2692 splx(s); 2693 } 2694 2695 static void 2696 copy_font(int direction, int segment, int size, char* font) 2697 { 2698 int ch, line, s; 2699 u_char val; 2700 2701 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2702 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2703 2704 /* setup vga for loading fonts (graphics plane mode) */ 2705 inb(crtc_addr+6); /* reset flip/flop */ 2706 outb(ATC, 0x30); outb(ATC, 0x01); 2707 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2708 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2709 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2710 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2711 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2712 for (ch=0; ch < 256; ch++) 2713 for (line=0; line < size; line++) 2714 if (direction) 2715 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2716 font[(ch*size)+line]; 2717 else 2718 font[(ch*size)+line] = 2719 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line); 2720 /* setup vga for text mode again */ 2721 s = splhigh(); 2722 inb(crtc_addr+6); /* reset flip/flop */ 2723 outb(ATC, 0x30); outb(ATC, 0x0C); 2724 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2725 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2726 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2727 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2728 if (crtc_addr == MONO_BASE) { 2729 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2730 } 2731 else { 2732 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2733 } 2734 splx(s); 2735 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2736 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2737 } 2738 2739 static void 2740 load_palette(void) 2741 { 2742 int i; 2743 2744 outb(PIXMASK, 0xFF); /* no pixelmask */ 2745 outb(PALWADR, 0x00); 2746 for (i=0x00; i<0x300; i++) 2747 outb(PALDATA, palette[i]); 2748 inb(crtc_addr+6); /* reset flip/flop */ 2749 outb(ATC, 0x20); /* enable palette */ 2750 } 2751 2752 static void 2753 save_palette(void) 2754 { 2755 int i; 2756 2757 outb(PALRADR, 0x00); 2758 for (i=0x00; i<0x300; i++) 2759 palette[i] = inb(PALDATA); 2760 inb(crtc_addr+6); /* reset flip/flop */ 2761 } 2762 2763 #endif /* NSC */ 2764