1 /*- 2 * Copyright (c) 1994-1996 Søren Schmidt 3 * All rights reserved. 4 * 5 * Portions of this software are based in part on the work of 6 * Sascha Wildner <saw@online.de> contributed to The DragonFly Project 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * in this position and unchanged. 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. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $DragonFly: src/usr.sbin/vidcontrol/vidcontrol.c,v 1.10 2005/03/02 06:08:29 joerg Exp $ 32 */ 33 34 #ifndef lint 35 static const char rcsid[] = 36 "$FreeBSD$"; 37 #endif /* not lint */ 38 39 #include <ctype.h> 40 #include <err.h> 41 #include <limits.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 #include <sys/fbio.h> 47 #include <sys/consio.h> 48 #include <sys/endian.h> 49 #include <sys/errno.h> 50 #include <sys/param.h> 51 #include <sys/types.h> 52 #include <sys/stat.h> 53 #include <sys/sysctl.h> 54 #include "path.h" 55 #include "decode.h" 56 57 58 #define DATASIZE(x) ((x).w * (x).h * 256 / 8) 59 60 /* Screen dump modes */ 61 #define DUMP_FMT_RAW 1 62 #define DUMP_FMT_TXT 2 63 /* Screen dump options */ 64 #define DUMP_FBF 0 65 #define DUMP_ALL 1 66 /* Screen dump file format revision */ 67 #define DUMP_FMT_REV 1 68 69 static const char *legal_colors[16] = { 70 "black", "blue", "green", "cyan", 71 "red", "magenta", "brown", "white", 72 "grey", "lightblue", "lightgreen", "lightcyan", 73 "lightred", "lightmagenta", "yellow", "lightwhite" 74 }; 75 76 static struct { 77 int active_vty; 78 vid_info_t console_info; 79 unsigned char screen_map[256]; 80 int video_mode_number; 81 struct video_info video_mode_info; 82 } cur_info; 83 84 struct vt4font_header { 85 uint8_t magic[8]; 86 uint8_t width; 87 uint8_t height; 88 uint16_t pad; 89 uint32_t glyph_count; 90 uint32_t map_count[4]; 91 } __packed; 92 93 static int hex = 0; 94 static int vesa_cols; 95 static int vesa_rows; 96 static int font_height; 97 static int colors_changed; 98 static int video_mode_changed; 99 static int normal_fore_color, normal_back_color; 100 static int revers_fore_color, revers_back_color; 101 static int vt4_mode = 0; 102 static struct vid_info info; 103 static struct video_info new_mode_info; 104 105 106 /* 107 * Initialize revert data. 108 * 109 * NOTE: the following parameters are not yet saved/restored: 110 * 111 * screen saver timeout 112 * cursor type 113 * mouse character and mouse show/hide state 114 * vty switching on/off state 115 * history buffer size 116 * history contents 117 * font maps 118 */ 119 120 static void 121 init(void) 122 { 123 if (ioctl(0, VT_GETACTIVE, &cur_info.active_vty) == -1) 124 errc(1, errno, "getting active vty"); 125 126 cur_info.console_info.size = sizeof(cur_info.console_info); 127 128 if (ioctl(0, CONS_GETINFO, &cur_info.console_info) == -1) 129 errc(1, errno, "getting console information"); 130 131 /* vt(4) use unicode, so no screen mapping required. */ 132 if (vt4_mode == 0 && 133 ioctl(0, GIO_SCRNMAP, &cur_info.screen_map) == -1) 134 errc(1, errno, "getting screen map"); 135 136 if (ioctl(0, CONS_GET, &cur_info.video_mode_number) == -1) 137 errc(1, errno, "getting video mode number"); 138 139 cur_info.video_mode_info.vi_mode = cur_info.video_mode_number; 140 141 if (ioctl(0, CONS_MODEINFO, &cur_info.video_mode_info) == -1) 142 errc(1, errno, "getting video mode parameters"); 143 144 normal_fore_color = cur_info.console_info.mv_norm.fore; 145 normal_back_color = cur_info.console_info.mv_norm.back; 146 revers_fore_color = cur_info.console_info.mv_rev.fore; 147 revers_back_color = cur_info.console_info.mv_rev.back; 148 } 149 150 151 /* 152 * If something goes wrong along the way we call revert() to go back to the 153 * console state we came from (which is assumed to be working). 154 * 155 * NOTE: please also read the comments of init(). 156 */ 157 158 static void 159 revert(void) 160 { 161 int size[3]; 162 163 ioctl(0, VT_ACTIVATE, cur_info.active_vty); 164 165 fprintf(stderr, "\033[=%dA", cur_info.console_info.mv_ovscan); 166 fprintf(stderr, "\033[=%dF", cur_info.console_info.mv_norm.fore); 167 fprintf(stderr, "\033[=%dG", cur_info.console_info.mv_norm.back); 168 fprintf(stderr, "\033[=%dH", cur_info.console_info.mv_rev.fore); 169 fprintf(stderr, "\033[=%dI", cur_info.console_info.mv_rev.back); 170 171 if (vt4_mode == 0) 172 ioctl(0, PIO_SCRNMAP, &cur_info.screen_map); 173 174 if (cur_info.video_mode_number >= M_VESA_BASE) 175 ioctl(0, _IO('V', cur_info.video_mode_number - M_VESA_BASE), 176 NULL); 177 else 178 ioctl(0, _IO('S', cur_info.video_mode_number), NULL); 179 180 if (cur_info.video_mode_info.vi_flags & V_INFO_GRAPHICS) { 181 size[0] = cur_info.video_mode_info.vi_width / 8; 182 size[1] = cur_info.video_mode_info.vi_height / 183 cur_info.console_info.font_size; 184 size[2] = cur_info.console_info.font_size; 185 186 ioctl(0, KDRASTER, size); 187 } 188 } 189 190 191 /* 192 * Print a short usage string describing all options, then exit. 193 */ 194 195 static void 196 usage(void) 197 { 198 if (vt4_mode) 199 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n", 200 "usage: vidcontrol [-CHPpx] [-b color] [-c appearance] [-f [size] file]", 201 " [-g geometry] [-h size] [-i adapter | mode]", 202 " [-M char] [-m on | off] [-r foreground background]", 203 " [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]", 204 " [mode] [foreground [background]] [show]"); 205 else 206 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n", 207 "usage: vidcontrol [-CdHLPpx] [-b color] [-c appearance] [-f [size] file]", 208 " [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]", 209 " [-M char] [-m on | off] [-r foreground background]", 210 " [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]", 211 " [mode] [foreground [background]] [show]"); 212 exit(1); 213 } 214 215 /* Detect presence of vt(4). */ 216 static int 217 is_vt4(void) 218 { 219 char vty_name[4] = ""; 220 size_t len = sizeof(vty_name); 221 222 if (sysctlbyname("kern.vty", vty_name, &len, NULL, 0) != 0) 223 return (0); 224 return (strcmp(vty_name, "vt") == 0); 225 } 226 227 /* 228 * Retrieve the next argument from the command line (for options that require 229 * more than one argument). 230 */ 231 232 static char * 233 nextarg(int ac, char **av, int *indp, int oc, int strict) 234 { 235 if (*indp < ac) 236 return(av[(*indp)++]); 237 238 if (strict != 0) { 239 revert(); 240 errx(1, "option requires two arguments -- %c", oc); 241 } 242 243 return(NULL); 244 } 245 246 247 /* 248 * Guess which file to open. Try to open each combination of a specified set 249 * of file name components. 250 */ 251 252 static FILE * 253 openguess(const char *a[], const char *b[], const char *c[], const char *d[], char **name) 254 { 255 FILE *f; 256 int i, j, k, l; 257 258 for (i = 0; a[i] != NULL; i++) { 259 for (j = 0; b[j] != NULL; j++) { 260 for (k = 0; c[k] != NULL; k++) { 261 for (l = 0; d[l] != NULL; l++) { 262 asprintf(name, "%s%s%s%s", 263 a[i], b[j], c[k], d[l]); 264 265 f = fopen(*name, "r"); 266 267 if (f != NULL) 268 return (f); 269 270 free(*name); 271 } 272 } 273 } 274 } 275 return (NULL); 276 } 277 278 279 /* 280 * Load a screenmap from a file and set it. 281 */ 282 283 static void 284 load_scrnmap(const char *filename) 285 { 286 FILE *fd; 287 int size; 288 char *name; 289 scrmap_t scrnmap; 290 const char *a[] = {"", SCRNMAP_PATH, NULL}; 291 const char *b[] = {filename, NULL}; 292 const char *c[] = {"", ".scm", NULL}; 293 const char *d[] = {"", NULL}; 294 295 fd = openguess(a, b, c, d, &name); 296 297 if (fd == NULL) { 298 revert(); 299 errx(1, "screenmap file not found"); 300 } 301 302 size = sizeof(scrnmap); 303 304 if (decode(fd, (char *)&scrnmap, size) != size) { 305 rewind(fd); 306 307 if (fread(&scrnmap, 1, size, fd) != (size_t)size) { 308 warnx("bad screenmap file"); 309 fclose(fd); 310 revert(); 311 errx(1, "bad screenmap file"); 312 } 313 } 314 315 if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) { 316 revert(); 317 errc(1, errno, "loading screenmap"); 318 } 319 320 fclose(fd); 321 } 322 323 324 /* 325 * Set the default screenmap. 326 */ 327 328 static void 329 load_default_scrnmap(void) 330 { 331 scrmap_t scrnmap; 332 int i; 333 334 for (i=0; i<256; i++) 335 *((char*)&scrnmap + i) = i; 336 337 if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) { 338 revert(); 339 errc(1, errno, "loading default screenmap"); 340 } 341 } 342 343 344 /* 345 * Print the current screenmap to stdout. 346 */ 347 348 static void 349 print_scrnmap(void) 350 { 351 unsigned char map[256]; 352 size_t i; 353 354 if (ioctl(0, GIO_SCRNMAP, &map) == -1) { 355 revert(); 356 errc(1, errno, "getting screenmap"); 357 } 358 for (i=0; i<sizeof(map); i++) { 359 if (i != 0 && i % 16 == 0) 360 fprintf(stdout, "\n"); 361 362 if (hex != 0) 363 fprintf(stdout, " %02x", map[i]); 364 else 365 fprintf(stdout, " %03d", map[i]); 366 } 367 fprintf(stdout, "\n"); 368 369 } 370 371 372 /* 373 * Determine a file's size. 374 */ 375 376 static int 377 fsize(FILE *file) 378 { 379 struct stat sb; 380 381 if (fstat(fileno(file), &sb) == 0) 382 return sb.st_size; 383 else 384 return -1; 385 } 386 387 static vfnt_map_t * 388 load_vt4mappingtable(unsigned int nmappings, FILE *f) 389 { 390 vfnt_map_t *t; 391 unsigned int i; 392 393 if (nmappings == 0) 394 return (NULL); 395 396 t = malloc(sizeof *t * nmappings); 397 398 if (fread(t, sizeof *t * nmappings, 1, f) != 1) { 399 perror("mappings"); 400 exit(1); 401 } 402 403 for (i = 0; i < nmappings; i++) { 404 t[i].src = be32toh(t[i].src); 405 t[i].dst = be16toh(t[i].dst); 406 t[i].len = be16toh(t[i].len); 407 } 408 409 return (t); 410 } 411 412 static int 413 load_vt4font(FILE *f) 414 { 415 struct vt4font_header fh; 416 static vfnt_t vfnt; 417 size_t glyphsize; 418 unsigned int i; 419 420 if (fread(&fh, sizeof fh, 1, f) != 1) { 421 perror("file_header"); 422 return (1); 423 } 424 425 if (memcmp(fh.magic, "VFNT0002", 8) != 0) { 426 fprintf(stderr, "Bad magic\n"); 427 return (1); 428 } 429 430 for (i = 0; i < VFNT_MAPS; i++) 431 vfnt.map_count[i] = be32toh(fh.map_count[i]); 432 vfnt.glyph_count = be32toh(fh.glyph_count); 433 vfnt.width = fh.width; 434 vfnt.height = fh.height; 435 436 glyphsize = howmany(vfnt.width, 8) * vfnt.height * vfnt.glyph_count; 437 vfnt.glyphs = malloc(glyphsize); 438 439 if (fread(vfnt.glyphs, glyphsize, 1, f) != 1) { 440 perror("glyphs"); 441 return (1); 442 } 443 444 for (i = 0; i < VFNT_MAPS; i++) 445 vfnt.map[i] = load_vt4mappingtable(vfnt.map_count[i], f); 446 447 if (ioctl(STDIN_FILENO, PIO_VFONT, &vfnt) == -1) { 448 perror("PIO_VFONT"); 449 return (1); 450 } 451 return (0); 452 } 453 454 /* 455 * Load a font from file and set it. 456 */ 457 458 static void 459 load_font(const char *type, const char *filename) 460 { 461 FILE *fd; 462 int h, i, size, w; 463 unsigned long io = 0; /* silence stupid gcc(1) in the Wall mode */ 464 char *name, *fontmap, size_sufx[6]; 465 const char *a[] = {"", FONT_PATH, NULL}; 466 const char *vt4a[] = {"", VT_FONT_PATH, NULL}; 467 const char *b[] = {filename, NULL}; 468 const char *c[] = {"", size_sufx, NULL}; 469 const char *d[] = {"", ".fnt", NULL}; 470 vid_info_t _info; 471 472 struct sizeinfo { 473 int w; 474 int h; 475 unsigned long io; 476 } sizes[] = {{8, 16, PIO_FONT8x16}, 477 {8, 14, PIO_FONT8x14}, 478 {8, 8, PIO_FONT8x8}, 479 {0, 0, 0}}; 480 481 if (vt4_mode) { 482 size_sufx[0] = '\0'; 483 } else { 484 _info.size = sizeof(_info); 485 if (ioctl(0, CONS_GETINFO, &_info) == -1) { 486 revert(); 487 warn("failed to obtain current video mode parameters"); 488 return; 489 } 490 491 snprintf(size_sufx, sizeof(size_sufx), "-8x%d", _info.font_size); 492 } 493 fd = openguess((vt4_mode == 0) ? a : vt4a, b, c, d, &name); 494 495 if (fd == NULL) { 496 revert(); 497 errx(1, "%s: can't load font file", filename); 498 } 499 500 if (vt4_mode) { 501 if(load_vt4font(fd)) 502 warn("failed to load font \"%s\"", filename); 503 fclose(fd); 504 return; 505 } 506 507 if (type != NULL) { 508 size = 0; 509 if (sscanf(type, "%dx%d", &w, &h) == 2) { 510 for (i = 0; sizes[i].w != 0; i++) { 511 if (sizes[i].w == w && sizes[i].h == h) { 512 size = DATASIZE(sizes[i]); 513 io = sizes[i].io; 514 font_height = sizes[i].h; 515 } 516 } 517 } 518 if (size == 0) { 519 fclose(fd); 520 revert(); 521 errx(1, "%s: bad font size specification", type); 522 } 523 } else { 524 /* Apply heuristics */ 525 526 int j; 527 int dsize[2]; 528 529 size = DATASIZE(sizes[0]); 530 fontmap = (char*) malloc(size); 531 dsize[0] = decode(fd, fontmap, size); 532 dsize[1] = fsize(fd); 533 free(fontmap); 534 535 size = 0; 536 for (j = 0; j < 2; j++) { 537 for (i = 0; sizes[i].w != 0; i++) { 538 if (DATASIZE(sizes[i]) == dsize[j]) { 539 size = dsize[j]; 540 io = sizes[i].io; 541 font_height = sizes[i].h; 542 j = 2; /* XXX */ 543 break; 544 } 545 } 546 } 547 548 if (size == 0) { 549 fclose(fd); 550 revert(); 551 errx(1, "%s: can't guess font size", filename); 552 } 553 554 rewind(fd); 555 } 556 557 fontmap = (char*) malloc(size); 558 559 if (decode(fd, fontmap, size) != size) { 560 rewind(fd); 561 if (fsize(fd) != size || 562 fread(fontmap, 1, size, fd) != (size_t)size) { 563 warnx("%s: bad font file", filename); 564 fclose(fd); 565 free(fontmap); 566 revert(); 567 errx(1, "%s: bad font file", filename); 568 } 569 } 570 571 if (ioctl(0, io, fontmap) == -1) { 572 revert(); 573 errc(1, errno, "loading font"); 574 } 575 576 fclose(fd); 577 free(fontmap); 578 } 579 580 581 /* 582 * Set the timeout for the screensaver. 583 */ 584 585 static void 586 set_screensaver_timeout(char *arg) 587 { 588 int nsec; 589 590 if (!strcmp(arg, "off")) { 591 nsec = 0; 592 } else { 593 nsec = atoi(arg); 594 595 if ((*arg == '\0') || (nsec < 1)) { 596 revert(); 597 errx(1, "argument must be a positive number"); 598 } 599 } 600 601 if (ioctl(0, CONS_BLANKTIME, &nsec) == -1) { 602 revert(); 603 errc(1, errno, "setting screensaver period"); 604 } 605 } 606 607 608 /* 609 * Set the cursor's shape/type. 610 */ 611 612 static void 613 set_cursor_type(char *appearance) 614 { 615 int type; 616 617 if (!strcmp(appearance, "normal")) 618 type = 0; 619 else if (!strcmp(appearance, "blink")) 620 type = 1; 621 else if (!strcmp(appearance, "destructive")) 622 type = 3; 623 else { 624 revert(); 625 errx(1, "argument to -c must be normal, blink or destructive"); 626 } 627 628 if (ioctl(0, CONS_CURSORTYPE, &type) == -1) { 629 revert(); 630 errc(1, errno, "setting cursor type"); 631 } 632 } 633 634 635 /* 636 * Set the video mode. 637 */ 638 639 static int 640 video_mode(int argc, char **argv, int *mode_index) 641 { 642 static struct { 643 const char *name; 644 unsigned long mode; 645 unsigned long mode_num; 646 } modes[] = { 647 { "80x25", SW_TEXT_80x25, M_TEXT_80x25 }, 648 { "80x30", SW_TEXT_80x30, M_TEXT_80x30 }, 649 { "80x43", SW_TEXT_80x43, M_TEXT_80x43 }, 650 { "80x50", SW_TEXT_80x50, M_TEXT_80x50 }, 651 { "80x60", SW_TEXT_80x60, M_TEXT_80x60 }, 652 { "132x25", SW_TEXT_132x25, M_TEXT_132x25 }, 653 { "132x30", SW_TEXT_132x30, M_TEXT_132x30 }, 654 { "132x43", SW_TEXT_132x43, M_TEXT_132x43 }, 655 { "132x50", SW_TEXT_132x50, M_TEXT_132x50 }, 656 { "132x60", SW_TEXT_132x60, M_TEXT_132x60 }, 657 { "VGA_40x25", SW_VGA_C40x25, M_VGA_C40x25 }, 658 { "VGA_80x25", SW_VGA_C80x25, M_VGA_C80x25 }, 659 { "VGA_80x30", SW_VGA_C80x30, M_VGA_C80x30 }, 660 { "VGA_80x50", SW_VGA_C80x50, M_VGA_C80x50 }, 661 { "VGA_80x60", SW_VGA_C80x60, M_VGA_C80x60 }, 662 #ifdef SW_VGA_C90x25 663 { "VGA_90x25", SW_VGA_C90x25, M_VGA_C90x25 }, 664 { "VGA_90x30", SW_VGA_C90x30, M_VGA_C90x30 }, 665 { "VGA_90x43", SW_VGA_C90x43, M_VGA_C90x43 }, 666 { "VGA_90x50", SW_VGA_C90x50, M_VGA_C90x50 }, 667 { "VGA_90x60", SW_VGA_C90x60, M_VGA_C90x60 }, 668 #endif 669 { "VGA_320x200", SW_VGA_CG320, M_CG320 }, 670 { "EGA_80x25", SW_ENH_C80x25, M_ENH_C80x25 }, 671 { "EGA_80x43", SW_ENH_C80x43, M_ENH_C80x43 }, 672 { "VESA_132x25", SW_VESA_C132x25,M_VESA_C132x25 }, 673 { "VESA_132x43", SW_VESA_C132x43,M_VESA_C132x43 }, 674 { "VESA_132x50", SW_VESA_C132x50,M_VESA_C132x50 }, 675 { "VESA_132x60", SW_VESA_C132x60,M_VESA_C132x60 }, 676 { "VESA_800x600", SW_VESA_800x600,M_VESA_800x600 }, 677 { NULL, 0, 0 }, 678 }; 679 680 int new_mode_num = 0; 681 unsigned long mode = 0; 682 int cur_mode; 683 int ioerr; 684 int size[3]; 685 int i; 686 687 if (ioctl(0, CONS_GET, &cur_mode) < 0) 688 err(1, "cannot get the current video mode"); 689 690 /* 691 * Parse the video mode argument... 692 */ 693 694 if (*mode_index < argc) { 695 if (!strncmp(argv[*mode_index], "MODE_", 5)) { 696 if (!isdigit(argv[*mode_index][5])) 697 errx(1, "invalid video mode number"); 698 699 new_mode_num = atoi(&argv[*mode_index][5]); 700 } else { 701 for (i = 0; modes[i].name != NULL; ++i) { 702 if (!strcmp(argv[*mode_index], modes[i].name)) { 703 mode = modes[i].mode; 704 new_mode_num = modes[i].mode_num; 705 break; 706 } 707 } 708 709 if (modes[i].name == NULL) 710 return EXIT_FAILURE; 711 if (ioctl(0, mode, NULL) < 0) { 712 warn("cannot set videomode"); 713 return EXIT_FAILURE; 714 } 715 } 716 717 /* 718 * Collect enough information about the new video mode... 719 */ 720 721 new_mode_info.vi_mode = new_mode_num; 722 723 if (ioctl(0, CONS_MODEINFO, &new_mode_info) == -1) { 724 revert(); 725 errc(1, errno, "obtaining new video mode parameters"); 726 } 727 728 if (mode == 0) { 729 if (new_mode_num >= M_VESA_BASE) 730 mode = _IO('V', new_mode_num - M_VESA_BASE); 731 else 732 mode = _IO('S', new_mode_num); 733 } 734 735 /* 736 * Try setting the new mode. 737 */ 738 739 if (ioctl(0, mode, NULL) == -1) { 740 revert(); 741 errc(1, errno, "setting video mode"); 742 } 743 744 /* 745 * For raster modes it's not enough to just set the mode. 746 * We also need to explicitly set the raster mode. 747 */ 748 749 if (new_mode_info.vi_flags & V_INFO_GRAPHICS) { 750 /* font size */ 751 752 if (font_height == 0) 753 font_height = cur_info.console_info.font_size; 754 755 size[2] = font_height; 756 757 /* adjust columns */ 758 759 if ((vesa_cols * 8 > new_mode_info.vi_width) || 760 (vesa_cols <= 0)) { 761 size[0] = new_mode_info.vi_width / 8; 762 } else { 763 size[0] = vesa_cols; 764 } 765 766 /* adjust rows */ 767 768 if ((vesa_rows * font_height > new_mode_info.vi_height) || 769 (vesa_rows <= 0)) { 770 size[1] = new_mode_info.vi_height / 771 font_height; 772 } else { 773 size[1] = vesa_rows; 774 } 775 776 /* set raster mode */ 777 778 if (ioctl(0, KDRASTER, size)) { 779 ioerr = errno; 780 if (cur_mode >= M_VESA_BASE) 781 ioctl(0, 782 _IO('V', cur_mode - M_VESA_BASE), 783 NULL); 784 else 785 ioctl(0, _IO('S', cur_mode), NULL); 786 revert(); 787 warnc(ioerr, "cannot activate raster display"); 788 return EXIT_FAILURE; 789 } 790 } 791 792 video_mode_changed = 1; 793 794 (*mode_index)++; 795 } 796 return EXIT_SUCCESS; 797 } 798 799 800 /* 801 * Return the number for a specified color name. 802 */ 803 804 static int 805 get_color_number(char *color) 806 { 807 int i; 808 809 for (i=0; i<16; i++) { 810 if (!strcmp(color, legal_colors[i])) 811 return i; 812 } 813 return -1; 814 } 815 816 817 /* 818 * Get normal text and background colors. 819 */ 820 821 static void 822 get_normal_colors(int argc, char **argv, int *_index) 823 { 824 int color; 825 826 if (*_index < argc && (color = get_color_number(argv[*_index])) != -1) { 827 (*_index)++; 828 fprintf(stderr, "\033[=%dF", color); 829 normal_fore_color=color; 830 colors_changed = 1; 831 if (*_index < argc 832 && (color = get_color_number(argv[*_index])) != -1 833 && color < 8) { 834 (*_index)++; 835 fprintf(stderr, "\033[=%dG", color); 836 normal_back_color=color; 837 } 838 } 839 } 840 841 842 /* 843 * Get reverse text and background colors. 844 */ 845 846 static void 847 get_reverse_colors(int argc, char **argv, int *_index) 848 { 849 int color; 850 851 if ((color = get_color_number(argv[*(_index)-1])) != -1) { 852 fprintf(stderr, "\033[=%dH", color); 853 revers_fore_color=color; 854 colors_changed = 1; 855 if (*_index < argc 856 && (color = get_color_number(argv[*_index])) != -1 857 && color < 8) { 858 (*_index)++; 859 fprintf(stderr, "\033[=%dI", color); 860 revers_back_color=color; 861 } 862 } 863 } 864 865 866 /* 867 * Set normal and reverse foreground and background colors. 868 */ 869 870 static void 871 set_colors(void) 872 { 873 fprintf(stderr, "\033[=%dF", normal_fore_color); 874 fprintf(stderr, "\033[=%dG", normal_back_color); 875 fprintf(stderr, "\033[=%dH", revers_fore_color); 876 fprintf(stderr, "\033[=%dI", revers_back_color); 877 } 878 879 880 /* 881 * Switch to virtual terminal #arg. 882 */ 883 884 static void 885 set_console(char *arg) 886 { 887 int n; 888 889 if(!arg || strspn(arg,"0123456789") != strlen(arg)) { 890 revert(); 891 errx(1, "bad console number"); 892 } 893 894 n = atoi(arg); 895 896 if (n < 1 || n > 16) { 897 revert(); 898 errx(1, "console number out of range"); 899 } else if (ioctl(0, VT_ACTIVATE, n) == -1) { 900 revert(); 901 errc(1, errno, "switching vty"); 902 } 903 } 904 905 906 /* 907 * Sets the border color. 908 */ 909 910 static void 911 set_border_color(char *arg) 912 { 913 int color; 914 915 if ((color = get_color_number(arg)) != -1) { 916 fprintf(stderr, "\033[=%dA", color); 917 } 918 else 919 usage(); 920 } 921 922 static void 923 set_mouse_char(char *arg) 924 { 925 struct mouse_info mouse; 926 long l; 927 928 l = strtol(arg, NULL, 0); 929 930 if ((l < 0) || (l > UCHAR_MAX - 3)) { 931 revert(); 932 warnx("argument to -M must be 0 through %d", UCHAR_MAX - 3); 933 return; 934 } 935 936 mouse.operation = MOUSE_MOUSECHAR; 937 mouse.u.mouse_char = (int)l; 938 939 if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) { 940 revert(); 941 errc(1, errno, "setting mouse character"); 942 } 943 } 944 945 946 /* 947 * Show/hide the mouse. 948 */ 949 950 static void 951 set_mouse(char *arg) 952 { 953 struct mouse_info mouse; 954 955 if (!strcmp(arg, "on")) { 956 mouse.operation = MOUSE_SHOW; 957 } else if (!strcmp(arg, "off")) { 958 mouse.operation = MOUSE_HIDE; 959 } else { 960 revert(); 961 errx(1, "argument to -m must be either on or off"); 962 } 963 964 if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) { 965 revert(); 966 errc(1, errno, "%sing the mouse", 967 mouse.operation == MOUSE_SHOW ? "show" : "hid"); 968 } 969 } 970 971 972 static void 973 set_lockswitch(char *arg) 974 { 975 int data; 976 977 if (!strcmp(arg, "off")) { 978 data = 0x01; 979 } else if (!strcmp(arg, "on")) { 980 data = 0x02; 981 } else { 982 revert(); 983 errx(1, "argument to -S must be either on or off"); 984 } 985 986 if (ioctl(0, VT_LOCKSWITCH, &data) == -1) { 987 revert(); 988 errc(1, errno, "turning %s vty switching", 989 data == 0x01 ? "off" : "on"); 990 } 991 } 992 993 994 /* 995 * Return the adapter name for a specified type. 996 */ 997 998 static const char 999 *adapter_name(int type) 1000 { 1001 static struct { 1002 int type; 1003 const char *name; 1004 } names[] = { 1005 { KD_MONO, "MDA" }, 1006 { KD_HERCULES, "Hercules" }, 1007 { KD_CGA, "CGA" }, 1008 { KD_EGA, "EGA" }, 1009 { KD_VGA, "VGA" }, 1010 { KD_PC98, "PC-98xx" }, 1011 { KD_TGA, "TGA" }, 1012 { -1, "Unknown" }, 1013 }; 1014 1015 int i; 1016 1017 for (i = 0; names[i].type != -1; ++i) 1018 if (names[i].type == type) 1019 break; 1020 return names[i].name; 1021 } 1022 1023 1024 /* 1025 * Show graphics adapter information. 1026 */ 1027 1028 static void 1029 show_adapter_info(void) 1030 { 1031 struct video_adapter_info ad; 1032 1033 ad.va_index = 0; 1034 1035 if (ioctl(0, CONS_ADPINFO, &ad) == -1) { 1036 revert(); 1037 errc(1, errno, "obtaining adapter information"); 1038 } 1039 1040 printf("fb%d:\n", ad.va_index); 1041 printf(" %.*s%d, type:%s%s (%d), flags:0x%x\n", 1042 (int)sizeof(ad.va_name), ad.va_name, ad.va_unit, 1043 (ad.va_flags & V_ADP_VESA) ? "VESA " : "", 1044 adapter_name(ad.va_type), ad.va_type, ad.va_flags); 1045 printf(" initial mode:%d, current mode:%d, BIOS mode:%d\n", 1046 ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode); 1047 printf(" frame buffer window:0x%zx, buffer size:0x%zx\n", 1048 ad.va_window, ad.va_buffer_size); 1049 printf(" window size:0x%zx, origin:0x%x\n", 1050 ad.va_window_size, ad.va_window_orig); 1051 printf(" display start address (%d, %d), scan line width:%d\n", 1052 ad.va_disp_start.x, ad.va_disp_start.y, ad.va_line_width); 1053 printf(" reserved:0x%zx\n", ad.va_unused0); 1054 } 1055 1056 1057 /* 1058 * Show video mode information. 1059 */ 1060 1061 static void 1062 show_mode_info(void) 1063 { 1064 char buf[80]; 1065 struct video_info _info; 1066 int c; 1067 int mm; 1068 int mode; 1069 1070 printf(" mode# flags type size " 1071 "font window linear buffer\n"); 1072 printf("---------------------------------------" 1073 "---------------------------------------\n"); 1074 1075 for (mode = 0; mode <= M_VESA_MODE_MAX; ++mode) { 1076 _info.vi_mode = mode; 1077 if (ioctl(0, CONS_MODEINFO, &_info)) 1078 continue; 1079 if (_info.vi_mode != mode) 1080 continue; 1081 1082 printf("%3d (0x%03x)", mode, mode); 1083 printf(" 0x%08x", _info.vi_flags); 1084 if (_info.vi_flags & V_INFO_GRAPHICS) { 1085 c = 'G'; 1086 1087 if (_info.vi_mem_model == V_INFO_MM_PLANAR) 1088 snprintf(buf, sizeof(buf), "%dx%dx%d %d", 1089 _info.vi_width, _info.vi_height, 1090 _info.vi_depth, _info.vi_planes); 1091 else { 1092 switch (_info.vi_mem_model) { 1093 case V_INFO_MM_PACKED: 1094 mm = 'P'; 1095 break; 1096 case V_INFO_MM_DIRECT: 1097 mm = 'D'; 1098 break; 1099 case V_INFO_MM_CGA: 1100 mm = 'C'; 1101 break; 1102 case V_INFO_MM_HGC: 1103 mm = 'H'; 1104 break; 1105 case V_INFO_MM_VGAX: 1106 mm = 'V'; 1107 break; 1108 default: 1109 mm = ' '; 1110 break; 1111 } 1112 snprintf(buf, sizeof(buf), "%dx%dx%d %c", 1113 _info.vi_width, _info.vi_height, 1114 _info.vi_depth, mm); 1115 } 1116 } else { 1117 c = 'T'; 1118 1119 snprintf(buf, sizeof(buf), "%dx%d", 1120 _info.vi_width, _info.vi_height); 1121 } 1122 1123 printf(" %c %-15s", c, buf); 1124 snprintf(buf, sizeof(buf), "%dx%d", 1125 _info.vi_cwidth, _info.vi_cheight); 1126 printf(" %-5s", buf); 1127 printf(" 0x%05zx %2dk %2dk", 1128 _info.vi_window, (int)_info.vi_window_size/1024, 1129 (int)_info.vi_window_gran/1024); 1130 printf(" 0x%08zx %dk\n", 1131 _info.vi_buffer, (int)_info.vi_buffer_size/1024); 1132 } 1133 } 1134 1135 1136 static void 1137 show_info(char *arg) 1138 { 1139 if (!strcmp(arg, "adapter")) { 1140 show_adapter_info(); 1141 } else if (!strcmp(arg, "mode")) { 1142 show_mode_info(); 1143 } else { 1144 revert(); 1145 errx(1, "argument to -i must be either adapter or mode"); 1146 } 1147 } 1148 1149 1150 static void 1151 test_frame(void) 1152 { 1153 int i, cur_mode, fore; 1154 1155 fore = 15; 1156 1157 if (ioctl(0, CONS_GET, &cur_mode) < 0) 1158 err(1, "must be on a virtual console"); 1159 switch (cur_mode) { 1160 case M_PC98_80x25: 1161 case M_PC98_80x30: 1162 fore = 7; 1163 break; 1164 } 1165 1166 fprintf(stdout, "\033[=0G\n\n"); 1167 for (i=0; i<8; i++) { 1168 fprintf(stdout, "\033[=%dF\033[=0G %2d \033[=%dF%-16s" 1169 "\033[=%dF\033[=0G %2d \033[=%dF%-16s " 1170 "\033[=%dF %2d \033[=%dGBACKGROUND\033[=0G\n", 1171 fore, i, i, legal_colors[i], 1172 fore, i+8, i+8, legal_colors[i+8], 1173 fore, i, i); 1174 } 1175 fprintf(stdout, "\033[=%dF\033[=%dG\033[=%dH\033[=%dI\n", 1176 info.mv_norm.fore, info.mv_norm.back, 1177 info.mv_rev.fore, info.mv_rev.back); 1178 } 1179 1180 1181 /* 1182 * Snapshot the video memory of that terminal, using the CONS_SCRSHOT 1183 * ioctl, and writes the results to stdout either in the special 1184 * binary format (see manual page for details), or in the plain 1185 * text format. 1186 */ 1187 1188 static void 1189 dump_screen(int mode, int opt) 1190 { 1191 scrshot_t shot; 1192 vid_info_t _info; 1193 1194 _info.size = sizeof(_info); 1195 1196 if (ioctl(0, CONS_GETINFO, &_info) == -1) { 1197 revert(); 1198 errc(1, errno, "obtaining current video mode parameters"); 1199 return; 1200 } 1201 1202 shot.x = shot.y = 0; 1203 shot.xsize = _info.mv_csz; 1204 shot.ysize = _info.mv_rsz; 1205 if (opt == DUMP_ALL) 1206 shot.ysize += _info.mv_hsz; 1207 1208 shot.buf = alloca(shot.xsize * shot.ysize * sizeof(u_int16_t)); 1209 if (shot.buf == NULL) { 1210 revert(); 1211 errx(1, "failed to allocate memory for dump"); 1212 } 1213 1214 if (ioctl(0, CONS_SCRSHOT, &shot) == -1) { 1215 revert(); 1216 errc(1, errno, "dumping screen"); 1217 } 1218 1219 if (mode == DUMP_FMT_RAW) { 1220 printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2, 1221 shot.xsize, shot.ysize); 1222 1223 fflush(stdout); 1224 1225 write(STDOUT_FILENO, shot.buf, 1226 shot.xsize * shot.ysize * sizeof(u_int16_t)); 1227 } else { 1228 char *line; 1229 int x, y; 1230 u_int16_t ch; 1231 1232 line = alloca(shot.xsize + 1); 1233 1234 if (line == NULL) { 1235 revert(); 1236 errx(1, "failed to allocate memory for line buffer"); 1237 } 1238 1239 for (y = 0; y < shot.ysize; y++) { 1240 for (x = 0; x < shot.xsize; x++) { 1241 ch = shot.buf[x + (y * shot.xsize)]; 1242 ch &= 0xff; 1243 1244 if (isprint(ch) == 0) 1245 ch = ' '; 1246 1247 line[x] = (char)ch; 1248 } 1249 1250 /* Trim trailing spaces */ 1251 1252 do { 1253 line[x--] = '\0'; 1254 } while (line[x] == ' ' && x != 0); 1255 1256 puts(line); 1257 } 1258 1259 fflush(stdout); 1260 } 1261 } 1262 1263 1264 /* 1265 * Set the console history buffer size. 1266 */ 1267 1268 static void 1269 set_history(char *opt) 1270 { 1271 int size; 1272 1273 size = atoi(opt); 1274 1275 if ((*opt == '\0') || size < 0) { 1276 revert(); 1277 errx(1, "argument must be a positive number"); 1278 } 1279 1280 if (ioctl(0, CONS_HISTORY, &size) == -1) { 1281 revert(); 1282 errc(1, errno, "setting history buffer size"); 1283 } 1284 } 1285 1286 1287 /* 1288 * Clear the console history buffer. 1289 */ 1290 1291 static void 1292 clear_history(void) 1293 { 1294 if (ioctl(0, CONS_CLRHIST) == -1) { 1295 revert(); 1296 errc(1, errno, "clearing history buffer"); 1297 } 1298 } 1299 1300 static void 1301 set_terminal_mode(char *arg) 1302 { 1303 1304 if (strcmp(arg, "xterm") == 0) 1305 fprintf(stderr, "\033[=T"); 1306 else if (strcmp(arg, "cons25") == 0) 1307 fprintf(stderr, "\033[=1T"); 1308 } 1309 1310 1311 int 1312 main(int argc, char **argv) 1313 { 1314 char *font, *type, *termmode; 1315 const char *opts; 1316 int dumpmod, dumpopt, opt; 1317 int reterr; 1318 1319 vt4_mode = is_vt4(); 1320 1321 init(); 1322 1323 info.size = sizeof(info); 1324 1325 if (ioctl(0, CONS_GETINFO, &info) == -1) 1326 err(1, "must be on a virtual console"); 1327 dumpmod = 0; 1328 dumpopt = DUMP_FBF; 1329 termmode = NULL; 1330 if (vt4_mode) 1331 opts = "b:Cc:f:g:h:Hi:M:m:pPr:S:s:T:t:x"; 1332 else 1333 opts = "b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:T:t:x"; 1334 1335 while ((opt = getopt(argc, argv, opts)) != -1) 1336 switch(opt) { 1337 case 'b': 1338 set_border_color(optarg); 1339 break; 1340 case 'C': 1341 clear_history(); 1342 break; 1343 case 'c': 1344 set_cursor_type(optarg); 1345 break; 1346 case 'd': 1347 if (vt4_mode) 1348 break; 1349 print_scrnmap(); 1350 break; 1351 case 'f': 1352 type = optarg; 1353 font = nextarg(argc, argv, &optind, 'f', 0); 1354 1355 if (font == NULL) { 1356 type = NULL; 1357 font = optarg; 1358 } 1359 1360 load_font(type, font); 1361 break; 1362 case 'g': 1363 if (sscanf(optarg, "%dx%d", 1364 &vesa_cols, &vesa_rows) != 2) { 1365 revert(); 1366 warnx("incorrect geometry: %s", optarg); 1367 usage(); 1368 } 1369 break; 1370 case 'h': 1371 set_history(optarg); 1372 break; 1373 case 'H': 1374 dumpopt = DUMP_ALL; 1375 break; 1376 case 'i': 1377 show_info(optarg); 1378 break; 1379 case 'l': 1380 if (vt4_mode) 1381 break; 1382 load_scrnmap(optarg); 1383 break; 1384 case 'L': 1385 if (vt4_mode) 1386 break; 1387 load_default_scrnmap(); 1388 break; 1389 case 'M': 1390 set_mouse_char(optarg); 1391 break; 1392 case 'm': 1393 set_mouse(optarg); 1394 break; 1395 case 'p': 1396 dumpmod = DUMP_FMT_RAW; 1397 break; 1398 case 'P': 1399 dumpmod = DUMP_FMT_TXT; 1400 break; 1401 case 'r': 1402 get_reverse_colors(argc, argv, &optind); 1403 break; 1404 case 'S': 1405 set_lockswitch(optarg); 1406 break; 1407 case 's': 1408 set_console(optarg); 1409 break; 1410 case 'T': 1411 if (strcmp(optarg, "xterm") != 0 && 1412 strcmp(optarg, "cons25") != 0) 1413 usage(); 1414 termmode = optarg; 1415 break; 1416 case 't': 1417 set_screensaver_timeout(optarg); 1418 break; 1419 case 'x': 1420 hex = 1; 1421 break; 1422 default: 1423 usage(); 1424 } 1425 1426 if (dumpmod != 0) 1427 dump_screen(dumpmod, dumpopt); 1428 reterr = video_mode(argc, argv, &optind); 1429 get_normal_colors(argc, argv, &optind); 1430 1431 if (optind < argc && !strcmp(argv[optind], "show")) { 1432 test_frame(); 1433 optind++; 1434 } 1435 1436 video_mode(argc, argv, &optind); 1437 if (termmode != NULL) 1438 set_terminal_mode(termmode); 1439 1440 get_normal_colors(argc, argv, &optind); 1441 1442 if (colors_changed || video_mode_changed) { 1443 if (!(new_mode_info.vi_flags & V_INFO_GRAPHICS)) { 1444 if ((normal_back_color < 8) && (revers_back_color < 8)) { 1445 set_colors(); 1446 } else { 1447 revert(); 1448 errx(1, "bg color for text modes must be < 8"); 1449 } 1450 } else { 1451 set_colors(); 1452 } 1453 } 1454 1455 if ((optind != argc) || (argc == 1)) 1456 usage(); 1457 return reterr; 1458 } 1459 1460