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 vt4_mode = 0; 98 static int video_mode_changed; 99 static struct vid_info info; 100 static struct video_info new_mode_info; 101 102 103 /* 104 * Initialize revert data. 105 * 106 * NOTE: the following parameters are not yet saved/restored: 107 * 108 * screen saver timeout 109 * cursor type 110 * mouse character and mouse show/hide state 111 * vty switching on/off state 112 * history buffer size 113 * history contents 114 * font maps 115 */ 116 117 static void 118 init(void) 119 { 120 if (ioctl(0, VT_GETACTIVE, &cur_info.active_vty) == -1) 121 err(1, "getting active vty"); 122 123 cur_info.console_info.size = sizeof(cur_info.console_info); 124 125 if (ioctl(0, CONS_GETINFO, &cur_info.console_info) == -1) 126 err(1, "getting console information"); 127 128 /* vt(4) use unicode, so no screen mapping required. */ 129 if (vt4_mode == 0 && 130 ioctl(0, GIO_SCRNMAP, &cur_info.screen_map) == -1) 131 err(1, "getting screen map"); 132 133 if (ioctl(0, CONS_GET, &cur_info.video_mode_number) == -1) 134 err(1, "getting video mode number"); 135 136 cur_info.video_mode_info.vi_mode = cur_info.video_mode_number; 137 138 if (ioctl(0, CONS_MODEINFO, &cur_info.video_mode_info) == -1) 139 err(1, "getting video mode parameters"); 140 } 141 142 143 /* 144 * If something goes wrong along the way we call revert() to go back to the 145 * console state we came from (which is assumed to be working). 146 * 147 * NOTE: please also read the comments of init(). 148 */ 149 150 static void 151 revert(void) 152 { 153 int save_errno, size[3]; 154 155 save_errno = errno; 156 157 ioctl(0, VT_ACTIVATE, cur_info.active_vty); 158 159 fprintf(stderr, "\033[=%dA", cur_info.console_info.mv_ovscan); 160 fprintf(stderr, "\033[=%dH", cur_info.console_info.mv_rev.fore); 161 fprintf(stderr, "\033[=%dI", cur_info.console_info.mv_rev.back); 162 163 if (vt4_mode == 0) 164 ioctl(0, PIO_SCRNMAP, &cur_info.screen_map); 165 166 if (video_mode_changed) { 167 if (cur_info.video_mode_number >= M_VESA_BASE) 168 ioctl(0, 169 _IO('V', cur_info.video_mode_number - M_VESA_BASE), 170 NULL); 171 else 172 ioctl(0, _IO('S', cur_info.video_mode_number), NULL); 173 if (cur_info.video_mode_info.vi_flags & V_INFO_GRAPHICS) { 174 size[0] = cur_info.video_mode_info.vi_width / 8; 175 size[1] = cur_info.video_mode_info.vi_height / 176 cur_info.console_info.font_size; 177 size[2] = cur_info.console_info.font_size; 178 ioctl(0, KDRASTER, size); 179 } 180 } 181 182 /* Restore some colors last since mode setting forgets some. */ 183 fprintf(stderr, "\033[=%dF", cur_info.console_info.mv_norm.fore); 184 fprintf(stderr, "\033[=%dG", cur_info.console_info.mv_norm.back); 185 186 errno = save_errno; 187 } 188 189 190 /* 191 * Print a short usage string describing all options, then exit. 192 */ 193 194 static void 195 usage(void) 196 { 197 if (vt4_mode) 198 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n", 199 "usage: vidcontrol [-CHPpx] [-b color] [-c appearance] [-f [[size] file]]", 200 " [-g geometry] [-h size] [-i active | adapter | mode]", 201 " [-M char] [-m on | off] [-r foreground background]", 202 " [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]", 203 " [mode] [foreground [background]] [show]"); 204 else 205 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n", 206 "usage: vidcontrol [-CdHLPpx] [-b color] [-c appearance] [-f [size] file]", 207 " [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]", 208 " [-M char] [-m on | off] [-r foreground background]", 209 " [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]", 210 " [mode] [foreground [background]] [show]"); 211 exit(1); 212 } 213 214 /* Detect presence of vt(4). */ 215 static int 216 is_vt4(void) 217 { 218 char vty_name[4] = ""; 219 size_t len = sizeof(vty_name); 220 221 if (sysctlbyname("kern.vty", vty_name, &len, NULL, 0) != 0) 222 return (0); 223 return (strcmp(vty_name, "vt") == 0); 224 } 225 226 /* 227 * Retrieve the next argument from the command line (for options that require 228 * more than one argument). 229 */ 230 231 static char * 232 nextarg(int ac, char **av, int *indp, int oc, int strict) 233 { 234 if (*indp < ac) 235 return(av[(*indp)++]); 236 237 if (strict != 0) { 238 revert(); 239 errx(1, "option requires two arguments -- %c", oc); 240 } 241 242 return(NULL); 243 } 244 245 246 /* 247 * Guess which file to open. Try to open each combination of a specified set 248 * of file name components. 249 */ 250 251 static FILE * 252 openguess(const char *a[], const char *b[], const char *c[], const char *d[], char **name) 253 { 254 FILE *f; 255 int i, j, k, l; 256 257 for (i = 0; a[i] != NULL; i++) { 258 for (j = 0; b[j] != NULL; j++) { 259 for (k = 0; c[k] != NULL; k++) { 260 for (l = 0; d[l] != NULL; l++) { 261 asprintf(name, "%s%s%s%s", 262 a[i], b[j], c[k], d[l]); 263 264 f = fopen(*name, "r"); 265 266 if (f != NULL) 267 return (f); 268 269 free(*name); 270 } 271 } 272 } 273 } 274 return (NULL); 275 } 276 277 278 /* 279 * Load a screenmap from a file and set it. 280 */ 281 282 static void 283 load_scrnmap(const char *filename) 284 { 285 FILE *fd; 286 int size; 287 char *name; 288 scrmap_t scrnmap; 289 const char *a[] = {"", SCRNMAP_PATH, NULL}; 290 const char *b[] = {filename, NULL}; 291 const char *c[] = {"", ".scm", NULL}; 292 const char *d[] = {"", NULL}; 293 294 fd = openguess(a, b, c, d, &name); 295 296 if (fd == NULL) { 297 revert(); 298 errx(1, "screenmap file not found"); 299 } 300 301 size = sizeof(scrnmap); 302 303 if (decode(fd, (char *)&scrnmap, size) != size) { 304 rewind(fd); 305 306 if (fread(&scrnmap, 1, size, fd) != (size_t)size) { 307 fclose(fd); 308 revert(); 309 errx(1, "bad screenmap file"); 310 } 311 } 312 313 if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) { 314 revert(); 315 err(1, "loading screenmap"); 316 } 317 318 fclose(fd); 319 } 320 321 322 /* 323 * Set the default screenmap. 324 */ 325 326 static void 327 load_default_scrnmap(void) 328 { 329 scrmap_t scrnmap; 330 int i; 331 332 for (i=0; i<256; i++) 333 *((char*)&scrnmap + i) = i; 334 335 if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) { 336 revert(); 337 err(1, "loading default screenmap"); 338 } 339 } 340 341 342 /* 343 * Print the current screenmap to stdout. 344 */ 345 346 static void 347 print_scrnmap(void) 348 { 349 unsigned char map[256]; 350 size_t i; 351 352 if (ioctl(0, GIO_SCRNMAP, &map) == -1) { 353 revert(); 354 err(1, "getting screenmap"); 355 } 356 for (i=0; i<sizeof(map); i++) { 357 if (i != 0 && i % 16 == 0) 358 fprintf(stdout, "\n"); 359 360 if (hex != 0) 361 fprintf(stdout, " %02x", map[i]); 362 else 363 fprintf(stdout, " %03d", map[i]); 364 } 365 fprintf(stdout, "\n"); 366 367 } 368 369 370 /* 371 * Determine a file's size. 372 */ 373 374 static int 375 fsize(FILE *file) 376 { 377 struct stat sb; 378 379 if (fstat(fileno(file), &sb) == 0) 380 return sb.st_size; 381 else 382 return -1; 383 } 384 385 static vfnt_map_t * 386 load_vt4mappingtable(unsigned int nmappings, FILE *f) 387 { 388 vfnt_map_t *t; 389 unsigned int i; 390 391 if (nmappings == 0) 392 return (NULL); 393 394 if ((t = calloc(nmappings, sizeof(*t))) == NULL) { 395 warn("calloc"); 396 return (NULL); 397 } 398 399 if (fread(t, sizeof *t * nmappings, 1, f) != 1) { 400 warn("read mappings"); 401 free(t); 402 return (NULL); 403 } 404 405 for (i = 0; i < nmappings; i++) { 406 t[i].src = be32toh(t[i].src); 407 t[i].dst = be16toh(t[i].dst); 408 t[i].len = be16toh(t[i].len); 409 } 410 411 return (t); 412 } 413 414 /* 415 * Set the default vt font. 416 */ 417 418 static void 419 load_default_vt4font(void) 420 { 421 if (ioctl(0, PIO_VFONT_DEFAULT) == -1) { 422 revert(); 423 err(1, "loading default vt font"); 424 } 425 } 426 427 static void 428 load_vt4font(FILE *f) 429 { 430 struct vt4font_header fh; 431 static vfnt_t vfnt; 432 size_t glyphsize; 433 unsigned int i; 434 435 if (fread(&fh, sizeof fh, 1, f) != 1) { 436 warn("read file_header"); 437 return; 438 } 439 440 if (memcmp(fh.magic, "VFNT0002", 8) != 0) { 441 warnx("bad magic in font file\n"); 442 return; 443 } 444 445 for (i = 0; i < VFNT_MAPS; i++) 446 vfnt.map_count[i] = be32toh(fh.map_count[i]); 447 vfnt.glyph_count = be32toh(fh.glyph_count); 448 vfnt.width = fh.width; 449 vfnt.height = fh.height; 450 451 glyphsize = howmany(vfnt.width, 8) * vfnt.height * vfnt.glyph_count; 452 if ((vfnt.glyphs = malloc(glyphsize)) == NULL) { 453 warn("malloc"); 454 return; 455 } 456 457 if (fread(vfnt.glyphs, glyphsize, 1, f) != 1) { 458 warn("read glyphs"); 459 free(vfnt.glyphs); 460 return; 461 } 462 463 for (i = 0; i < VFNT_MAPS; i++) 464 vfnt.map[i] = load_vt4mappingtable(vfnt.map_count[i], f); 465 466 if (ioctl(STDIN_FILENO, PIO_VFONT, &vfnt) == -1) 467 warn("PIO_VFONT"); 468 469 for (i = 0; i < VFNT_MAPS; i++) 470 free(vfnt.map[i]); 471 free(vfnt.glyphs); 472 } 473 474 /* 475 * Load a font from file and set it. 476 */ 477 478 static void 479 load_font(const char *type, const char *filename) 480 { 481 FILE *fd; 482 int h, i, size, w; 483 unsigned long io = 0; /* silence stupid gcc(1) in the Wall mode */ 484 char *name, *fontmap, size_sufx[6]; 485 const char *a[] = {"", FONT_PATH, NULL}; 486 const char *vt4a[] = {"", VT_FONT_PATH, NULL}; 487 const char *b[] = {filename, NULL}; 488 const char *c[] = {"", size_sufx, NULL}; 489 const char *d[] = {"", ".fnt", NULL}; 490 vid_info_t _info; 491 492 struct sizeinfo { 493 int w; 494 int h; 495 unsigned long io; 496 } sizes[] = {{8, 16, PIO_FONT8x16}, 497 {8, 14, PIO_FONT8x14}, 498 {8, 8, PIO_FONT8x8}, 499 {0, 0, 0}}; 500 501 if (vt4_mode) { 502 size_sufx[0] = '\0'; 503 } else { 504 _info.size = sizeof(_info); 505 if (ioctl(0, CONS_GETINFO, &_info) == -1) { 506 revert(); 507 warn("failed to obtain current video mode parameters"); 508 return; 509 } 510 511 snprintf(size_sufx, sizeof(size_sufx), "-8x%d", _info.font_size); 512 } 513 fd = openguess((vt4_mode == 0) ? a : vt4a, b, c, d, &name); 514 515 if (fd == NULL) { 516 revert(); 517 errx(1, "%s: can't load font file", filename); 518 } 519 520 if (vt4_mode) { 521 load_vt4font(fd); 522 fclose(fd); 523 return; 524 } 525 526 if (type != NULL) { 527 size = 0; 528 if (sscanf(type, "%dx%d", &w, &h) == 2) { 529 for (i = 0; sizes[i].w != 0; i++) { 530 if (sizes[i].w == w && sizes[i].h == h) { 531 size = DATASIZE(sizes[i]); 532 io = sizes[i].io; 533 font_height = sizes[i].h; 534 } 535 } 536 } 537 if (size == 0) { 538 fclose(fd); 539 revert(); 540 errx(1, "%s: bad font size specification", type); 541 } 542 } else { 543 /* Apply heuristics */ 544 545 int j; 546 int dsize[2]; 547 548 size = DATASIZE(sizes[0]); 549 fontmap = (char*) malloc(size); 550 dsize[0] = decode(fd, fontmap, size); 551 dsize[1] = fsize(fd); 552 free(fontmap); 553 554 size = 0; 555 for (j = 0; j < 2; j++) { 556 for (i = 0; sizes[i].w != 0; i++) { 557 if (DATASIZE(sizes[i]) == dsize[j]) { 558 size = dsize[j]; 559 io = sizes[i].io; 560 font_height = sizes[i].h; 561 j = 2; /* XXX */ 562 break; 563 } 564 } 565 } 566 567 if (size == 0) { 568 fclose(fd); 569 revert(); 570 errx(1, "%s: can't guess font size", filename); 571 } 572 573 rewind(fd); 574 } 575 576 fontmap = (char*) malloc(size); 577 578 if (decode(fd, fontmap, size) != size) { 579 rewind(fd); 580 if (fsize(fd) != size || 581 fread(fontmap, 1, size, fd) != (size_t)size) { 582 fclose(fd); 583 free(fontmap); 584 revert(); 585 errx(1, "%s: bad font file", filename); 586 } 587 } 588 589 if (ioctl(0, io, fontmap) == -1) { 590 revert(); 591 err(1, "loading font"); 592 } 593 594 fclose(fd); 595 free(fontmap); 596 } 597 598 599 /* 600 * Set the timeout for the screensaver. 601 */ 602 603 static void 604 set_screensaver_timeout(char *arg) 605 { 606 int nsec; 607 608 if (!strcmp(arg, "off")) { 609 nsec = 0; 610 } else { 611 nsec = atoi(arg); 612 613 if ((*arg == '\0') || (nsec < 1)) { 614 revert(); 615 errx(1, "argument must be a positive number"); 616 } 617 } 618 619 if (ioctl(0, CONS_BLANKTIME, &nsec) == -1) { 620 revert(); 621 err(1, "setting screensaver period"); 622 } 623 } 624 625 626 /* 627 * Set the cursor's shape/type. 628 */ 629 630 static void 631 set_cursor_type(char *appearance) 632 { 633 int type; 634 635 if (!strcmp(appearance, "normal")) 636 type = 0; 637 else if (!strcmp(appearance, "blink")) 638 type = 1; 639 else if (!strcmp(appearance, "destructive")) 640 type = 3; 641 else { 642 revert(); 643 errx(1, "argument to -c must be normal, blink or destructive"); 644 } 645 646 if (ioctl(0, CONS_CURSORTYPE, &type) == -1) { 647 revert(); 648 err(1, "setting cursor type"); 649 } 650 } 651 652 653 /* 654 * Set the video mode. 655 */ 656 657 static void 658 video_mode(int argc, char **argv, int *mode_index) 659 { 660 static struct { 661 const char *name; 662 unsigned long mode; 663 unsigned long mode_num; 664 } modes[] = { 665 { "80x25", SW_TEXT_80x25, M_TEXT_80x25 }, 666 { "80x30", SW_TEXT_80x30, M_TEXT_80x30 }, 667 { "80x43", SW_TEXT_80x43, M_TEXT_80x43 }, 668 { "80x50", SW_TEXT_80x50, M_TEXT_80x50 }, 669 { "80x60", SW_TEXT_80x60, M_TEXT_80x60 }, 670 { "132x25", SW_TEXT_132x25, M_TEXT_132x25 }, 671 { "132x30", SW_TEXT_132x30, M_TEXT_132x30 }, 672 { "132x43", SW_TEXT_132x43, M_TEXT_132x43 }, 673 { "132x50", SW_TEXT_132x50, M_TEXT_132x50 }, 674 { "132x60", SW_TEXT_132x60, M_TEXT_132x60 }, 675 { "VGA_40x25", SW_VGA_C40x25, M_VGA_C40x25 }, 676 { "VGA_80x25", SW_VGA_C80x25, M_VGA_C80x25 }, 677 { "VGA_80x30", SW_VGA_C80x30, M_VGA_C80x30 }, 678 { "VGA_80x50", SW_VGA_C80x50, M_VGA_C80x50 }, 679 { "VGA_80x60", SW_VGA_C80x60, M_VGA_C80x60 }, 680 #ifdef SW_VGA_C90x25 681 { "VGA_90x25", SW_VGA_C90x25, M_VGA_C90x25 }, 682 { "VGA_90x30", SW_VGA_C90x30, M_VGA_C90x30 }, 683 { "VGA_90x43", SW_VGA_C90x43, M_VGA_C90x43 }, 684 { "VGA_90x50", SW_VGA_C90x50, M_VGA_C90x50 }, 685 { "VGA_90x60", SW_VGA_C90x60, M_VGA_C90x60 }, 686 #endif 687 { "VGA_320x200", SW_VGA_CG320, M_CG320 }, 688 { "EGA_80x25", SW_ENH_C80x25, M_ENH_C80x25 }, 689 { "EGA_80x43", SW_ENH_C80x43, M_ENH_C80x43 }, 690 { "VESA_132x25", SW_VESA_C132x25,M_VESA_C132x25 }, 691 { "VESA_132x43", SW_VESA_C132x43,M_VESA_C132x43 }, 692 { "VESA_132x50", SW_VESA_C132x50,M_VESA_C132x50 }, 693 { "VESA_132x60", SW_VESA_C132x60,M_VESA_C132x60 }, 694 { "VESA_800x600", SW_VESA_800x600,M_VESA_800x600 }, 695 { NULL, 0, 0 }, 696 }; 697 698 int new_mode_num = 0; 699 unsigned long mode = 0; 700 int cur_mode; 701 int save_errno; 702 int size[3]; 703 int i; 704 705 if (ioctl(0, CONS_GET, &cur_mode) < 0) 706 err(1, "cannot get the current video mode"); 707 708 /* 709 * Parse the video mode argument... 710 */ 711 712 if (*mode_index < argc) { 713 if (!strncmp(argv[*mode_index], "MODE_", 5)) { 714 if (!isdigit(argv[*mode_index][5])) 715 errx(1, "invalid video mode number"); 716 717 new_mode_num = atoi(&argv[*mode_index][5]); 718 } else { 719 for (i = 0; modes[i].name != NULL; ++i) { 720 if (!strcmp(argv[*mode_index], modes[i].name)) { 721 mode = modes[i].mode; 722 new_mode_num = modes[i].mode_num; 723 break; 724 } 725 } 726 727 if (modes[i].name == NULL) 728 return; 729 if (ioctl(0, mode, NULL) < 0) { 730 revert(); 731 err(1, "cannot set videomode"); 732 } 733 video_mode_changed = 1; 734 } 735 736 /* 737 * Collect enough information about the new video mode... 738 */ 739 740 new_mode_info.vi_mode = new_mode_num; 741 742 if (ioctl(0, CONS_MODEINFO, &new_mode_info) == -1) { 743 revert(); 744 err(1, "obtaining new video mode parameters"); 745 } 746 747 if (mode == 0) { 748 if (new_mode_num >= M_VESA_BASE) 749 mode = _IO('V', new_mode_num - M_VESA_BASE); 750 else 751 mode = _IO('S', new_mode_num); 752 } 753 754 /* 755 * Try setting the new mode. 756 */ 757 758 if (ioctl(0, mode, NULL) == -1) { 759 revert(); 760 err(1, "setting video mode"); 761 } 762 video_mode_changed = 1; 763 764 /* 765 * For raster modes it's not enough to just set the mode. 766 * We also need to explicitly set the raster mode. 767 */ 768 769 if (new_mode_info.vi_flags & V_INFO_GRAPHICS) { 770 /* font size */ 771 772 if (font_height == 0) 773 font_height = cur_info.console_info.font_size; 774 775 size[2] = font_height; 776 777 /* adjust columns */ 778 779 if ((vesa_cols * 8 > new_mode_info.vi_width) || 780 (vesa_cols <= 0)) { 781 size[0] = new_mode_info.vi_width / 8; 782 } else { 783 size[0] = vesa_cols; 784 } 785 786 /* adjust rows */ 787 788 if ((vesa_rows * font_height > new_mode_info.vi_height) || 789 (vesa_rows <= 0)) { 790 size[1] = new_mode_info.vi_height / 791 font_height; 792 } else { 793 size[1] = vesa_rows; 794 } 795 796 /* set raster mode */ 797 798 if (ioctl(0, KDRASTER, size)) { 799 save_errno = errno; 800 if (cur_mode >= M_VESA_BASE) 801 ioctl(0, 802 _IO('V', cur_mode - M_VESA_BASE), 803 NULL); 804 else 805 ioctl(0, _IO('S', cur_mode), NULL); 806 revert(); 807 errno = save_errno; 808 err(1, "cannot activate raster display"); 809 } 810 } 811 812 /* Recover from mode setting forgetting colors. */ 813 fprintf(stderr, "\033[=%dF", 814 cur_info.console_info.mv_norm.fore); 815 fprintf(stderr, "\033[=%dG", 816 cur_info.console_info.mv_norm.back); 817 818 (*mode_index)++; 819 } 820 } 821 822 823 /* 824 * Return the number for a specified color name. 825 */ 826 827 static int 828 get_color_number(char *color) 829 { 830 int i; 831 832 for (i=0; i<16; i++) { 833 if (!strcmp(color, legal_colors[i])) 834 return i; 835 } 836 return -1; 837 } 838 839 840 /* 841 * Set normal text and background colors. 842 */ 843 844 static void 845 set_normal_colors(int argc, char **argv, int *_index) 846 { 847 int color; 848 849 if (*_index < argc && (color = get_color_number(argv[*_index])) != -1) { 850 (*_index)++; 851 fprintf(stderr, "\033[=%dF", color); 852 if (*_index < argc 853 && (color = get_color_number(argv[*_index])) != -1) { 854 (*_index)++; 855 fprintf(stderr, "\033[=%dG", color); 856 } 857 } 858 } 859 860 861 /* 862 * Set reverse text and background colors. 863 */ 864 865 static void 866 set_reverse_colors(int argc, char **argv, int *_index) 867 { 868 int color; 869 870 if ((color = get_color_number(argv[*(_index)-1])) != -1) { 871 fprintf(stderr, "\033[=%dH", color); 872 if (*_index < argc 873 && (color = get_color_number(argv[*_index])) != -1) { 874 (*_index)++; 875 fprintf(stderr, "\033[=%dI", color); 876 } 877 } 878 } 879 880 881 /* 882 * Switch to virtual terminal #arg. 883 */ 884 885 static void 886 set_console(char *arg) 887 { 888 int n; 889 890 if(!arg || strspn(arg,"0123456789") != strlen(arg)) { 891 revert(); 892 errx(1, "bad console number"); 893 } 894 895 n = atoi(arg); 896 897 if (n < 1 || n > 16) { 898 revert(); 899 errx(1, "console number out of range"); 900 } else if (ioctl(0, VT_ACTIVATE, n) == -1) { 901 revert(); 902 err(1, "switching vty"); 903 } 904 } 905 906 907 /* 908 * Sets the border color. 909 */ 910 911 static void 912 set_border_color(char *arg) 913 { 914 int color; 915 916 if ((color = get_color_number(arg)) != -1) { 917 fprintf(stderr, "\033[=%dA", color); 918 } 919 else 920 usage(); 921 } 922 923 static void 924 set_mouse_char(char *arg) 925 { 926 struct mouse_info mouse; 927 long l; 928 929 l = strtol(arg, NULL, 0); 930 931 if ((l < 0) || (l > UCHAR_MAX - 3)) { 932 revert(); 933 warnx("argument to -M must be 0 through %d", UCHAR_MAX - 3); 934 return; 935 } 936 937 mouse.operation = MOUSE_MOUSECHAR; 938 mouse.u.mouse_char = (int)l; 939 940 if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) { 941 revert(); 942 err(1, "setting mouse character"); 943 } 944 } 945 946 947 /* 948 * Show/hide the mouse. 949 */ 950 951 static void 952 set_mouse(char *arg) 953 { 954 struct mouse_info mouse; 955 956 if (!strcmp(arg, "on")) { 957 mouse.operation = MOUSE_SHOW; 958 } else if (!strcmp(arg, "off")) { 959 mouse.operation = MOUSE_HIDE; 960 } else { 961 revert(); 962 errx(1, "argument to -m must be either on or off"); 963 } 964 965 if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) { 966 revert(); 967 err(1, "%sing the mouse", 968 mouse.operation == MOUSE_SHOW ? "show" : "hid"); 969 } 970 } 971 972 973 static void 974 set_lockswitch(char *arg) 975 { 976 int data; 977 978 if (!strcmp(arg, "off")) { 979 data = 0x01; 980 } else if (!strcmp(arg, "on")) { 981 data = 0x02; 982 } else { 983 revert(); 984 errx(1, "argument to -S must be either on or off"); 985 } 986 987 if (ioctl(0, VT_LOCKSWITCH, &data) == -1) { 988 revert(); 989 err(1, "turning %s vty switching", 990 data == 0x01 ? "off" : "on"); 991 } 992 } 993 994 995 /* 996 * Return the adapter name for a specified type. 997 */ 998 999 static const char 1000 *adapter_name(int type) 1001 { 1002 static struct { 1003 int type; 1004 const char *name; 1005 } names[] = { 1006 { KD_MONO, "MDA" }, 1007 { KD_HERCULES, "Hercules" }, 1008 { KD_CGA, "CGA" }, 1009 { KD_EGA, "EGA" }, 1010 { KD_VGA, "VGA" }, 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 active VTY, ie current console number. 1026 */ 1027 1028 static void 1029 show_active_info(void) 1030 { 1031 1032 printf("%d\n", cur_info.active_vty); 1033 } 1034 1035 1036 /* 1037 * Show graphics adapter information. 1038 */ 1039 1040 static void 1041 show_adapter_info(void) 1042 { 1043 struct video_adapter_info ad; 1044 1045 ad.va_index = 0; 1046 1047 if (ioctl(0, CONS_ADPINFO, &ad) == -1) { 1048 revert(); 1049 err(1, "obtaining adapter information"); 1050 } 1051 1052 printf("fb%d:\n", ad.va_index); 1053 printf(" %.*s%d, type:%s%s (%d), flags:0x%x\n", 1054 (int)sizeof(ad.va_name), ad.va_name, ad.va_unit, 1055 (ad.va_flags & V_ADP_VESA) ? "VESA " : "", 1056 adapter_name(ad.va_type), ad.va_type, ad.va_flags); 1057 printf(" initial mode:%d, current mode:%d, BIOS mode:%d\n", 1058 ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode); 1059 printf(" frame buffer window:0x%zx, buffer size:0x%zx\n", 1060 ad.va_window, ad.va_buffer_size); 1061 printf(" window size:0x%zx, origin:0x%x\n", 1062 ad.va_window_size, ad.va_window_orig); 1063 printf(" display start address (%d, %d), scan line width:%d\n", 1064 ad.va_disp_start.x, ad.va_disp_start.y, ad.va_line_width); 1065 printf(" reserved:0x%zx\n", ad.va_unused0); 1066 } 1067 1068 1069 /* 1070 * Show video mode information. 1071 */ 1072 1073 static void 1074 show_mode_info(void) 1075 { 1076 char buf[80]; 1077 struct video_info _info; 1078 int c; 1079 int mm; 1080 int mode; 1081 1082 printf(" mode# flags type size " 1083 "font window linear buffer\n"); 1084 printf("---------------------------------------" 1085 "---------------------------------------\n"); 1086 1087 memset(&_info, 0, sizeof(_info)); 1088 for (mode = 0; mode <= M_VESA_MODE_MAX; ++mode) { 1089 _info.vi_mode = mode; 1090 if (ioctl(0, CONS_MODEINFO, &_info)) 1091 continue; 1092 if (_info.vi_mode != mode) 1093 continue; 1094 if (_info.vi_width == 0 && _info.vi_height == 0 && 1095 _info.vi_cwidth == 0 && _info.vi_cheight == 0) 1096 continue; 1097 1098 printf("%3d (0x%03x)", mode, mode); 1099 printf(" 0x%08x", _info.vi_flags); 1100 if (_info.vi_flags & V_INFO_GRAPHICS) { 1101 c = 'G'; 1102 1103 if (_info.vi_mem_model == V_INFO_MM_PLANAR) 1104 snprintf(buf, sizeof(buf), "%dx%dx%d %d", 1105 _info.vi_width, _info.vi_height, 1106 _info.vi_depth, _info.vi_planes); 1107 else { 1108 switch (_info.vi_mem_model) { 1109 case V_INFO_MM_PACKED: 1110 mm = 'P'; 1111 break; 1112 case V_INFO_MM_DIRECT: 1113 mm = 'D'; 1114 break; 1115 case V_INFO_MM_CGA: 1116 mm = 'C'; 1117 break; 1118 case V_INFO_MM_HGC: 1119 mm = 'H'; 1120 break; 1121 case V_INFO_MM_VGAX: 1122 mm = 'V'; 1123 break; 1124 default: 1125 mm = ' '; 1126 break; 1127 } 1128 snprintf(buf, sizeof(buf), "%dx%dx%d %c", 1129 _info.vi_width, _info.vi_height, 1130 _info.vi_depth, mm); 1131 } 1132 } else { 1133 c = 'T'; 1134 1135 snprintf(buf, sizeof(buf), "%dx%d", 1136 _info.vi_width, _info.vi_height); 1137 } 1138 1139 printf(" %c %-15s", c, buf); 1140 snprintf(buf, sizeof(buf), "%dx%d", 1141 _info.vi_cwidth, _info.vi_cheight); 1142 printf(" %-5s", buf); 1143 printf(" 0x%05zx %2dk %2dk", 1144 _info.vi_window, (int)_info.vi_window_size/1024, 1145 (int)_info.vi_window_gran/1024); 1146 printf(" 0x%08zx %dk\n", 1147 _info.vi_buffer, (int)_info.vi_buffer_size/1024); 1148 } 1149 } 1150 1151 1152 static void 1153 show_info(char *arg) 1154 { 1155 1156 if (!strcmp(arg, "active")) { 1157 show_active_info(); 1158 } else if (!strcmp(arg, "adapter")) { 1159 show_adapter_info(); 1160 } else if (!strcmp(arg, "mode")) { 1161 show_mode_info(); 1162 } else { 1163 revert(); 1164 errx(1, "argument to -i must be active, adapter, or mode"); 1165 } 1166 } 1167 1168 1169 static void 1170 test_frame(void) 1171 { 1172 int i, fore; 1173 1174 fore = 15; 1175 1176 fprintf(stdout, "\033[=0G\n\n"); 1177 for (i=0; i<8; i++) { 1178 fprintf(stdout, "\033[=%dF\033[=0G %2d \033[=%dF%-16s" 1179 "\033[=%dF\033[=0G %2d \033[=%dF%-16s " 1180 "\033[=%dF %2d \033[=%dGBACKGROUND\033[=0G\n", 1181 fore, i, i, legal_colors[i], 1182 fore, i+8, i+8, legal_colors[i+8], 1183 fore, i, i); 1184 } 1185 fprintf(stdout, "\033[=%dF\033[=%dG\033[=%dH\033[=%dI\n", 1186 info.mv_norm.fore, info.mv_norm.back, 1187 info.mv_rev.fore, info.mv_rev.back); 1188 } 1189 1190 1191 /* 1192 * Snapshot the video memory of that terminal, using the CONS_SCRSHOT 1193 * ioctl, and writes the results to stdout either in the special 1194 * binary format (see manual page for details), or in the plain 1195 * text format. 1196 */ 1197 1198 static void 1199 dump_screen(int mode, int opt) 1200 { 1201 scrshot_t shot; 1202 vid_info_t _info; 1203 1204 _info.size = sizeof(_info); 1205 1206 if (ioctl(0, CONS_GETINFO, &_info) == -1) { 1207 revert(); 1208 err(1, "obtaining current video mode parameters"); 1209 return; 1210 } 1211 1212 shot.x = shot.y = 0; 1213 shot.xsize = _info.mv_csz; 1214 shot.ysize = _info.mv_rsz; 1215 if (opt == DUMP_ALL) 1216 shot.ysize += _info.mv_hsz; 1217 1218 shot.buf = alloca(shot.xsize * shot.ysize * sizeof(u_int16_t)); 1219 if (shot.buf == NULL) { 1220 revert(); 1221 errx(1, "failed to allocate memory for dump"); 1222 } 1223 1224 if (ioctl(0, CONS_SCRSHOT, &shot) == -1) { 1225 revert(); 1226 err(1, "dumping screen"); 1227 } 1228 1229 if (mode == DUMP_FMT_RAW) { 1230 printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2, 1231 shot.xsize, shot.ysize); 1232 1233 fflush(stdout); 1234 1235 write(STDOUT_FILENO, shot.buf, 1236 shot.xsize * shot.ysize * sizeof(u_int16_t)); 1237 } else { 1238 char *line; 1239 int x, y; 1240 u_int16_t ch; 1241 1242 line = alloca(shot.xsize + 1); 1243 1244 if (line == NULL) { 1245 revert(); 1246 errx(1, "failed to allocate memory for line buffer"); 1247 } 1248 1249 for (y = 0; y < shot.ysize; y++) { 1250 for (x = 0; x < shot.xsize; x++) { 1251 ch = shot.buf[x + (y * shot.xsize)]; 1252 ch &= 0xff; 1253 1254 if (isprint(ch) == 0) 1255 ch = ' '; 1256 1257 line[x] = (char)ch; 1258 } 1259 1260 /* Trim trailing spaces */ 1261 1262 do { 1263 line[x--] = '\0'; 1264 } while (line[x] == ' ' && x != 0); 1265 1266 puts(line); 1267 } 1268 1269 fflush(stdout); 1270 } 1271 } 1272 1273 1274 /* 1275 * Set the console history buffer size. 1276 */ 1277 1278 static void 1279 set_history(char *opt) 1280 { 1281 int size; 1282 1283 size = atoi(opt); 1284 1285 if ((*opt == '\0') || size < 0) { 1286 revert(); 1287 errx(1, "argument must be a positive number"); 1288 } 1289 1290 if (ioctl(0, CONS_HISTORY, &size) == -1) { 1291 revert(); 1292 err(1, "setting history buffer size"); 1293 } 1294 } 1295 1296 1297 /* 1298 * Clear the console history buffer. 1299 */ 1300 1301 static void 1302 clear_history(void) 1303 { 1304 if (ioctl(0, CONS_CLRHIST) == -1) { 1305 revert(); 1306 err(1, "clearing history buffer"); 1307 } 1308 } 1309 1310 static void 1311 set_terminal_mode(char *arg) 1312 { 1313 1314 if (strcmp(arg, "xterm") == 0) 1315 fprintf(stderr, "\033[=T"); 1316 else if (strcmp(arg, "cons25") == 0) 1317 fprintf(stderr, "\033[=1T"); 1318 } 1319 1320 1321 int 1322 main(int argc, char **argv) 1323 { 1324 char *font, *type, *termmode; 1325 const char *opts; 1326 int dumpmod, dumpopt, opt; 1327 1328 vt4_mode = is_vt4(); 1329 1330 init(); 1331 1332 info.size = sizeof(info); 1333 1334 if (ioctl(0, CONS_GETINFO, &info) == -1) 1335 err(1, "must be on a virtual console"); 1336 dumpmod = 0; 1337 dumpopt = DUMP_FBF; 1338 termmode = NULL; 1339 if (vt4_mode) 1340 opts = "b:Cc:fg:h:Hi:M:m:pPr:S:s:T:t:x"; 1341 else 1342 opts = "b:Cc:dfg:h:Hi:l:LM:m:pPr:S:s:T:t:x"; 1343 1344 while ((opt = getopt(argc, argv, opts)) != -1) 1345 switch(opt) { 1346 case 'b': 1347 set_border_color(optarg); 1348 break; 1349 case 'C': 1350 clear_history(); 1351 break; 1352 case 'c': 1353 set_cursor_type(optarg); 1354 break; 1355 case 'd': 1356 if (vt4_mode) 1357 break; 1358 print_scrnmap(); 1359 break; 1360 case 'f': 1361 optarg = nextarg(argc, argv, &optind, 'f', 0); 1362 if (optarg != NULL) { 1363 font = nextarg(argc, argv, &optind, 'f', 0); 1364 1365 if (font == NULL) { 1366 type = NULL; 1367 font = optarg; 1368 } else 1369 type = optarg; 1370 1371 load_font(type, font); 1372 } else { 1373 if (!vt4_mode) 1374 usage(); /* Switch syscons to ROM? */ 1375 1376 load_default_vt4font(); 1377 } 1378 break; 1379 case 'g': 1380 if (sscanf(optarg, "%dx%d", 1381 &vesa_cols, &vesa_rows) != 2) { 1382 revert(); 1383 warnx("incorrect geometry: %s", optarg); 1384 usage(); 1385 } 1386 break; 1387 case 'h': 1388 set_history(optarg); 1389 break; 1390 case 'H': 1391 dumpopt = DUMP_ALL; 1392 break; 1393 case 'i': 1394 show_info(optarg); 1395 break; 1396 case 'l': 1397 if (vt4_mode) 1398 break; 1399 load_scrnmap(optarg); 1400 break; 1401 case 'L': 1402 if (vt4_mode) 1403 break; 1404 load_default_scrnmap(); 1405 break; 1406 case 'M': 1407 set_mouse_char(optarg); 1408 break; 1409 case 'm': 1410 set_mouse(optarg); 1411 break; 1412 case 'p': 1413 dumpmod = DUMP_FMT_RAW; 1414 break; 1415 case 'P': 1416 dumpmod = DUMP_FMT_TXT; 1417 break; 1418 case 'r': 1419 set_reverse_colors(argc, argv, &optind); 1420 break; 1421 case 'S': 1422 set_lockswitch(optarg); 1423 break; 1424 case 's': 1425 set_console(optarg); 1426 break; 1427 case 'T': 1428 if (strcmp(optarg, "xterm") != 0 && 1429 strcmp(optarg, "cons25") != 0) 1430 usage(); 1431 termmode = optarg; 1432 break; 1433 case 't': 1434 set_screensaver_timeout(optarg); 1435 break; 1436 case 'x': 1437 hex = 1; 1438 break; 1439 default: 1440 usage(); 1441 } 1442 1443 if (dumpmod != 0) 1444 dump_screen(dumpmod, dumpopt); 1445 video_mode(argc, argv, &optind); 1446 set_normal_colors(argc, argv, &optind); 1447 1448 if (optind < argc && !strcmp(argv[optind], "show")) { 1449 test_frame(); 1450 optind++; 1451 } 1452 1453 if (termmode != NULL) 1454 set_terminal_mode(termmode); 1455 1456 if ((optind != argc) || (argc == 1)) 1457 usage(); 1458 return (0); 1459 } 1460 1461