vidcontrol.c revision 146736 
1/*-
2 * Copyright (c) 1994-1996 S�ren 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
35static const char rcsid[] =
36  "$FreeBSD: head/usr.sbin/vidcontrol/vidcontrol.c 146736 2005-05-29 08:43:44Z delphij $";
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/errno.h>
49#include <sys/types.h>
50#include <sys/stat.h>
51#include "path.h"
52#include "decode.h"
53
54
55#define	DATASIZE(x)	((x).w * (x).h * 256 / 8)
56
57/* Screen dump modes */
58#define DUMP_FMT_RAW	1
59#define DUMP_FMT_TXT	2
60/* Screen dump options */
61#define DUMP_FBF	0
62#define DUMP_ALL	1
63/* Screen dump file format revision */
64#define DUMP_FMT_REV	1
65
66char 	legal_colors[16][16] = {
67	"black", "blue", "green", "cyan",
68	"red", "magenta", "brown", "white",
69	"grey", "lightblue", "lightgreen", "lightcyan",
70	"lightred", "lightmagenta", "yellow", "lightwhite"
71};
72
73struct {
74	int			active_vty;
75	vid_info_t		console_info;
76	unsigned char		screen_map[256];
77	int			video_mode_number;
78	struct video_info	video_mode_info;
79} cur_info;
80
81int	hex = 0;
82int	number;
83int	vesa_cols;
84int	vesa_rows;
85int	font_height;
86int	colors_changed;
87int	video_mode_changed;
88int	normal_fore_color, normal_back_color;
89int	revers_fore_color, revers_back_color;
90char	letter;
91struct	vid_info info;
92struct	video_info new_mode_info;
93
94
95/*
96 * Initialize revert data.
97 *
98 * NOTE: the following parameters are not yet saved/restored:
99 *
100 *   screen saver timeout
101 *   cursor type
102 *   mouse character and mouse show/hide state
103 *   vty switching on/off state
104 *   history buffer size
105 *   history contents
106 *   font maps
107 */
108
109static void
110init(void)
111{
112	if (ioctl(0, VT_GETACTIVE, &cur_info.active_vty) == -1)
113		errc(1, errno, "getting active vty");
114
115	cur_info.console_info.size = sizeof(cur_info.console_info);
116
117	if (ioctl(0, CONS_GETINFO, &cur_info.console_info) == -1)
118		errc(1, errno, "getting console information");
119
120	if (ioctl(0, GIO_SCRNMAP, &cur_info.screen_map) == -1)
121		errc(1, errno, "getting screen map");
122
123	if (ioctl(0, CONS_GET, &cur_info.video_mode_number) == -1)
124		errc(1, errno, "getting video mode number");
125
126	cur_info.video_mode_info.vi_mode = cur_info.video_mode_number;
127
128	if (ioctl(0, CONS_MODEINFO, &cur_info.video_mode_info) == -1)
129		errc(1, errno, "getting video mode parameters");
130
131	normal_fore_color = cur_info.console_info.mv_norm.fore;
132	normal_back_color = cur_info.console_info.mv_norm.back;
133	revers_fore_color = cur_info.console_info.mv_rev.fore;
134	revers_back_color = cur_info.console_info.mv_rev.back;
135}
136
137
138/*
139 * If something goes wrong along the way we call revert() to go back to the
140 * console state we came from (which is assumed to be working).
141 *
142 * NOTE: please also read the comments of init().
143 */
144
145static void
146revert(void)
147{
148	int size[3];
149
150	ioctl(0, VT_ACTIVATE, (caddr_t) (long) cur_info.active_vty);
151
152	fprintf(stderr, "\033[=%dA", cur_info.console_info.mv_ovscan);
153	fprintf(stderr, "\033[=%dF", cur_info.console_info.mv_norm.fore);
154	fprintf(stderr, "\033[=%dG", cur_info.console_info.mv_norm.back);
155	fprintf(stderr, "\033[=%dH", cur_info.console_info.mv_rev.fore);
156	fprintf(stderr, "\033[=%dI", cur_info.console_info.mv_rev.back);
157
158	ioctl(0, PIO_SCRNMAP, &cur_info.screen_map);
159
160	if (cur_info.video_mode_number >= M_VESA_BASE)
161		ioctl(0, _IO('V', cur_info.video_mode_number - M_VESA_BASE),
162		      NULL);
163	else
164		ioctl(0, _IO('S', cur_info.video_mode_number), NULL);
165
166	if (cur_info.video_mode_info.vi_flags & V_INFO_GRAPHICS) {
167		size[0] = cur_info.video_mode_info.vi_width / 8;
168		size[1] = cur_info.video_mode_info.vi_height /
169			  cur_info.console_info.font_size;
170		size[2] = cur_info.console_info.font_size;
171
172		ioctl(0, KDRASTER, size);
173	}
174}
175
176
177/*
178 * Print a short usage string describing all options, then exit.
179 */
180
181static void
182usage(void)
183{
184	fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
185"usage: vidcontrol [-CdHLPpx] [-b color] [-c appearance] [-f [size] file]",
186"                  [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]",
187"                  [-M char] [-m on | off] [-r foreground background]",
188"                  [-S on | off] [-s number] [-t N | off] [mode]",
189"                  [foreground [background]] [show]");
190	exit(1);
191}
192
193
194/*
195 * Retrieve the next argument from the command line (for options that require
196 * more than one argument).
197 */
198
199static char *
200nextarg(int ac, char **av, int *indp, int oc, int strict)
201{
202	if (*indp < ac)
203		return(av[(*indp)++]);
204
205	if (strict != 0) {
206		revert();
207		errx(1, "option requires two arguments -- %c", oc);
208	}
209
210	return(NULL);
211}
212
213
214/*
215 * Guess which file to open. Try to open each combination of a specified set
216 * of file name components.
217 */
218
219static FILE *
220openguess(const char *a[], const char *b[], const char *c[], const char *d[], char **name)
221{
222	FILE *f;
223	int i, j, k, l;
224
225	for (i = 0; a[i] != NULL; i++) {
226		for (j = 0; b[j] != NULL; j++) {
227			for (k = 0; c[k] != NULL; k++) {
228				for (l = 0; d[l] != NULL; l++) {
229					asprintf(name, "%s%s%s%s",
230						 a[i], b[j], c[k], d[l]);
231
232					f = fopen(*name, "r");
233
234					if (f != NULL)
235						return (f);
236
237					free(*name);
238				}
239			}
240		}
241	}
242	return (NULL);
243}
244
245
246/*
247 * Load a screenmap from a file and set it.
248 */
249
250static void
251load_scrnmap(const char *filename)
252{
253	FILE *fd;
254	int size;
255	char *name;
256	scrmap_t scrnmap;
257	const char *a[] = {"", SCRNMAP_PATH, NULL};
258	const char *b[] = {filename, NULL};
259	const char *c[] = {"", ".scm", NULL};
260	const char *d[] = {"", NULL};
261
262	fd = openguess(a, b, c, d, &name);
263
264	if (fd == NULL) {
265		revert();
266		errx(1, "screenmap file not found");
267	}
268
269	size = sizeof(scrnmap);
270
271	if (decode(fd, (char *)&scrnmap, size) != size) {
272		rewind(fd);
273
274		if (fread(&scrnmap, 1, size, fd) != (size_t)size) {
275			warnx("bad screenmap file");
276			fclose(fd);
277			revert();
278			errx(1, "bad screenmap file");
279		}
280	}
281
282	if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) {
283		revert();
284		errc(1, errno, "loading screenmap");
285	}
286
287	fclose(fd);
288}
289
290
291/*
292 * Set the default screenmap.
293 */
294
295static void
296load_default_scrnmap(void)
297{
298	scrmap_t scrnmap;
299	int i;
300
301	for (i=0; i<256; i++)
302		*((char*)&scrnmap + i) = i;
303
304	if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) {
305		revert();
306		errc(1, errno, "loading default screenmap");
307	}
308}
309
310
311/*
312 * Print the current screenmap to stdout.
313 */
314
315static void
316print_scrnmap(void)
317{
318	unsigned char map[256];
319	size_t i;
320
321	if (ioctl(0, GIO_SCRNMAP, &map) == -1) {
322		revert();
323		errc(1, errno, "getting screenmap");
324	}
325	for (i=0; i<sizeof(map); i++) {
326		if (i != 0 && i % 16 == 0)
327			fprintf(stdout, "\n");
328
329		if (hex != 0)
330			fprintf(stdout, " %02x", map[i]);
331		else
332			fprintf(stdout, " %03d", map[i]);
333	}
334	fprintf(stdout, "\n");
335
336}
337
338
339/*
340 * Determine a file's size.
341 */
342
343static int
344fsize(FILE *file)
345{
346	struct stat sb;
347
348	if (fstat(fileno(file), &sb) == 0)
349		return sb.st_size;
350	else
351		return -1;
352}
353
354
355/*
356 * Load a font from file and set it.
357 */
358
359static void
360load_font(const char *type, const char *filename)
361{
362	FILE	*fd;
363	int	h, i, size, w;
364	unsigned long io = 0;	/* silence stupid gcc(1) in the Wall mode */
365	char	*name, *fontmap, size_sufx[6];
366	const char	*a[] = {"", FONT_PATH, NULL};
367	const char	*b[] = {filename, NULL};
368	const char	*c[] = {"", size_sufx, NULL};
369	const char	*d[] = {"", ".fnt", NULL};
370	vid_info_t _info;
371
372	struct sizeinfo {
373		int w;
374		int h;
375		unsigned long io;
376	} sizes[] = {{8, 16, PIO_FONT8x16},
377		     {8, 14, PIO_FONT8x14},
378		     {8,  8,  PIO_FONT8x8},
379		     {0,  0,            0}};
380
381	_info.size = sizeof(_info);
382	if (ioctl(0, CONS_GETINFO, &_info) == -1) {
383		revert();
384		warn("failed to obtain current video mode parameters");
385		return;
386	}
387
388	snprintf(size_sufx, sizeof(size_sufx), "-8x%d", _info.font_size);
389	fd = openguess(a, b, c, d, &name);
390
391	if (fd == NULL) {
392		revert();
393		errx(1, "%s: can't load font file", filename);
394	}
395
396	if (type != NULL) {
397		size = 0;
398		if (sscanf(type, "%dx%d", &w, &h) == 2) {
399			for (i = 0; sizes[i].w != 0; i++) {
400				if (sizes[i].w == w && sizes[i].h == h) {
401					size = DATASIZE(sizes[i]);
402					io = sizes[i].io;
403					font_height = sizes[i].h;
404				}
405			}
406		}
407		if (size == 0) {
408			fclose(fd);
409			revert();
410			errx(1, "%s: bad font size specification", type);
411		}
412	} else {
413		/* Apply heuristics */
414
415		int j;
416		int dsize[2];
417
418		size = DATASIZE(sizes[0]);
419		fontmap = (char*) malloc(size);
420		dsize[0] = decode(fd, fontmap, size);
421		dsize[1] = fsize(fd);
422		free(fontmap);
423
424		size = 0;
425		for (j = 0; j < 2; j++) {
426			for (i = 0; sizes[i].w != 0; i++) {
427				if (DATASIZE(sizes[i]) == dsize[j]) {
428					size = dsize[j];
429					io = sizes[i].io;
430					font_height = sizes[i].h;
431					j = 2;	/* XXX */
432					break;
433				}
434			}
435		}
436
437		if (size == 0) {
438			fclose(fd);
439			revert();
440			errx(1, "%s: can't guess font size", filename);
441		}
442
443		rewind(fd);
444	}
445
446	fontmap = (char*) malloc(size);
447
448	if (decode(fd, fontmap, size) != size) {
449		rewind(fd);
450		if (fsize(fd) != size ||
451		    fread(fontmap, 1, size, fd) != (size_t)size) {
452			warnx("%s: bad font file", filename);
453			fclose(fd);
454			free(fontmap);
455			revert();
456			errx(1, "%s: bad font file", filename);
457		}
458	}
459
460	if (ioctl(0, io, fontmap) == -1) {
461		revert();
462		errc(1, errno, "loading font");
463	}
464
465	fclose(fd);
466	free(fontmap);
467}
468
469
470/*
471 * Set the timeout for the screensaver.
472 */
473
474static void
475set_screensaver_timeout(char *arg)
476{
477	int nsec;
478
479	if (!strcmp(arg, "off")) {
480		nsec = 0;
481	} else {
482		nsec = atoi(arg);
483
484		if ((*arg == '\0') || (nsec < 1)) {
485			revert();
486			errx(1, "argument must be a positive number");
487		}
488	}
489
490	if (ioctl(0, CONS_BLANKTIME, &nsec) == -1) {
491		revert();
492		errc(1, errno, "setting screensaver period");
493	}
494}
495
496
497/*
498 * Set the cursor's shape/type.
499 */
500
501static void
502set_cursor_type(char *appearence)
503{
504	int type;
505
506	if (!strcmp(appearence, "normal"))
507		type = 0;
508	else if (!strcmp(appearence, "blink"))
509		type = 1;
510	else if (!strcmp(appearence, "destructive"))
511		type = 3;
512	else {
513		revert();
514		errx(1, "argument to -c must be normal, blink or destructive");
515	}
516
517	if (ioctl(0, CONS_CURSORTYPE, &type) == -1) {
518		revert();
519		errc(1, errno, "setting cursor type");
520	}
521}
522
523
524/*
525 * Set the video mode.
526 */
527
528static int
529video_mode(int argc, char **argv, int *mode_index)
530{
531	static struct {
532		const char *name;
533		unsigned long mode;
534		unsigned long mode_num;
535	} modes[] = {
536		{ "80x25",        SW_TEXT_80x25,   M_TEXT_80x25 },
537		{ "80x30",        SW_TEXT_80x30,   M_TEXT_80x30 },
538		{ "80x43",        SW_TEXT_80x43,   M_TEXT_80x43 },
539		{ "80x50",        SW_TEXT_80x50,   M_TEXT_80x50 },
540		{ "80x60",        SW_TEXT_80x60,   M_TEXT_80x60 },
541		{ "132x25",       SW_TEXT_132x25,  M_TEXT_132x25 },
542		{ "132x30",       SW_TEXT_132x30,  M_TEXT_132x30 },
543		{ "132x43",       SW_TEXT_132x43,  M_TEXT_132x43 },
544		{ "132x50",       SW_TEXT_132x50,  M_TEXT_132x50 },
545		{ "132x60",       SW_TEXT_132x60,  M_TEXT_132x60 },
546		{ "VGA_40x25",    SW_VGA_C40x25,   M_VGA_C40x25 },
547		{ "VGA_80x25",    SW_VGA_C80x25,   M_VGA_C80x25 },
548		{ "VGA_80x30",    SW_VGA_C80x30,   M_VGA_C80x30 },
549		{ "VGA_80x50",    SW_VGA_C80x50,   M_VGA_C80x50 },
550		{ "VGA_80x60",    SW_VGA_C80x60,   M_VGA_C80x60 },
551#ifdef SW_VGA_C90x25
552		{ "VGA_90x25",    SW_VGA_C90x25,   M_VGA_C90x25 },
553		{ "VGA_90x30",    SW_VGA_C90x30,   M_VGA_C90x30 },
554		{ "VGA_90x43",    SW_VGA_C90x43,   M_VGA_C90x43 },
555		{ "VGA_90x50",    SW_VGA_C90x50,   M_VGA_C90x50 },
556		{ "VGA_90x60",    SW_VGA_C90x60,   M_VGA_C90x60 },
557#endif
558		{ "VGA_320x200",	SW_VGA_CG320,	M_CG320 },
559		{ "EGA_80x25",		SW_ENH_C80x25,	M_ENH_C80x25 },
560		{ "EGA_80x43",		SW_ENH_C80x43,	M_ENH_C80x43 },
561		{ "VESA_132x25",	SW_VESA_C132x25,M_VESA_C132x25 },
562		{ "VESA_132x43",	SW_VESA_C132x43,M_VESA_C132x43 },
563		{ "VESA_132x50",	SW_VESA_C132x50,M_VESA_C132x50 },
564		{ "VESA_132x60",	SW_VESA_C132x60,M_VESA_C132x60 },
565		{ "VESA_800x600",	SW_VESA_800x600,M_VESA_800x600 },
566		{ NULL, 0, 0 },
567	};
568
569	int new_mode_num = 0;
570	unsigned long mode = 0;
571	int cur_mode;
572	int ioerr;
573	int size[3];
574	int i;
575
576	if (ioctl(0, CONS_GET, &cur_mode) < 0)
577		err(1, "cannot get the current video mode");
578
579	/*
580	 * Parse the video mode argument...
581	 */
582
583	if (*mode_index < argc) {
584		if (!strncmp(argv[*mode_index], "MODE_", 5)) {
585			if (!isdigit(argv[*mode_index][5]))
586				errx(1, "invalid video mode number");
587
588			new_mode_num = atoi(&argv[*mode_index][5]);
589		} else {
590			for (i = 0; modes[i].name != NULL; ++i) {
591				if (!strcmp(argv[*mode_index], modes[i].name)) {
592					mode = modes[i].mode;
593					new_mode_num = modes[i].mode_num;
594					break;
595				}
596			}
597
598			if (modes[i].name == NULL)
599				return EXIT_FAILURE;
600			if (ioctl(0, mode, NULL) < 0) {
601				warn("cannot set videomode");
602				return EXIT_FAILURE;
603			}
604		}
605
606		/*
607		 * Collect enough information about the new video mode...
608		 */
609
610		new_mode_info.vi_mode = new_mode_num;
611
612		if (ioctl(0, CONS_MODEINFO, &new_mode_info) == -1) {
613			revert();
614			errc(1, errno, "obtaining new video mode parameters");
615		}
616
617		if (mode == 0) {
618			if (new_mode_num >= M_VESA_BASE)
619				mode = _IO('V', new_mode_num - M_VESA_BASE);
620			else
621				mode = _IO('S', new_mode_num);
622		}
623
624		/*
625		 * Try setting the new mode.
626		 */
627
628		if (ioctl(0, mode, NULL) == -1) {
629			revert();
630			errc(1, errno, "setting video mode");
631		}
632
633		/*
634		 * For raster modes it's not enough to just set the mode.
635		 * We also need to explicitly set the raster mode.
636		 */
637
638		if (new_mode_info.vi_flags & V_INFO_GRAPHICS) {
639			/* font size */
640
641			if (font_height == 0)
642				font_height = cur_info.console_info.font_size;
643
644			size[2] = font_height;
645
646			/* adjust columns */
647
648			if ((vesa_cols * 8 > new_mode_info.vi_width) ||
649			    (vesa_cols <= 0)) {
650				size[0] = new_mode_info.vi_width / 8;
651			} else {
652				size[0] = vesa_cols;
653			}
654
655			/* adjust rows */
656
657			if ((vesa_rows * font_height > new_mode_info.vi_height) ||
658			    (vesa_rows <= 0)) {
659				size[1] = new_mode_info.vi_height /
660					  font_height;
661			} else {
662				size[1] = vesa_rows;
663			}
664
665			/* set raster mode */
666
667			if (ioctl(0, KDRASTER, size)) {
668				ioerr = errno;
669				if (cur_mode >= M_VESA_BASE)
670					ioctl(0,
671					    _IO('V', cur_mode - M_VESA_BASE),
672					    NULL);
673				else
674					ioctl(0, _IO('S', cur_mode), NULL);
675				revert();
676				warnc(ioerr, "cannot activate raster display");
677				return EXIT_FAILURE;
678			}
679		}
680
681		video_mode_changed = 1;
682
683		(*mode_index)++;
684	}
685	return EXIT_SUCCESS;
686}
687
688
689/*
690 * Return the number for a specified color name.
691 */
692
693static int
694get_color_number(char *color)
695{
696	int i;
697
698	for (i=0; i<16; i++) {
699		if (!strcmp(color, legal_colors[i]))
700			return i;
701	}
702	return -1;
703}
704
705
706/*
707 * Get normal text and background colors.
708 */
709
710static void
711get_normal_colors(int argc, char **argv, int *_index)
712{
713	int color;
714
715	if (*_index < argc && (color = get_color_number(argv[*_index])) != -1) {
716		(*_index)++;
717		fprintf(stderr, "\033[=%dF", color);
718		if (*_index < argc
719		    && (color = get_color_number(argv[*_index])) != -1
720		    && color < 8) {
721			(*_index)++;
722			fprintf(stderr, "\033[=%dG", color);
723		}
724	}
725}
726
727
728/*
729 * Get reverse text and background colors.
730 */
731
732static void
733get_reverse_colors(int argc, char **argv, int *_index)
734{
735	int color;
736
737	if ((color = get_color_number(argv[*(_index)-1])) != -1) {
738		fprintf(stderr, "\033[=%dH", color);
739		if (*_index < argc
740		    && (color = get_color_number(argv[*_index])) != -1
741		    && color < 8) {
742			(*_index)++;
743			fprintf(stderr, "\033[=%dI", color);
744		}
745	}
746}
747
748
749/*
750 * Set normal and reverse foreground and background colors.
751 */
752
753static void
754set_colors(void)
755{
756	fprintf(stderr, "\033[=%dF", normal_fore_color);
757	fprintf(stderr, "\033[=%dG", normal_back_color);
758	fprintf(stderr, "\033[=%dH", revers_fore_color);
759	fprintf(stderr, "\033[=%dI", revers_back_color);
760}
761
762
763/*
764 * Switch to virtual terminal #arg.
765 */
766
767static void
768set_console(char *arg)
769{
770	int n;
771
772	if(!arg || strspn(arg,"0123456789") != strlen(arg)) {
773		revert();
774		errx(1, "bad console number");
775	}
776
777	n = atoi(arg);
778
779	if (n < 1 || n > 16) {
780		revert();
781		errx(1, "console number out of range");
782	} else if (ioctl(0, VT_ACTIVATE, (caddr_t) (long) n) == -1) {
783		revert();
784		errc(1, errno, "switching vty");
785	}
786}
787
788
789/*
790 * Sets the border color.
791 */
792
793static void
794set_border_color(char *arg)
795{
796	int color;
797
798	if ((color = get_color_number(arg)) != -1) {
799		fprintf(stderr, "\033[=%dA", color);
800	}
801	else
802		usage();
803}
804
805static void
806set_mouse_char(char *arg)
807{
808	struct mouse_info mouse;
809	long l;
810
811	l = strtol(arg, NULL, 0);
812
813	if ((l < 0) || (l > UCHAR_MAX - 3)) {
814		revert();
815		warnx("argument to -M must be 0 through %d", UCHAR_MAX - 3);
816		return;
817	}
818
819	mouse.operation = MOUSE_MOUSECHAR;
820	mouse.u.mouse_char = (int)l;
821
822	if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) {
823		revert();
824		errc(1, errno, "setting mouse character");
825	}
826}
827
828
829/*
830 * Show/hide the mouse.
831 */
832
833static void
834set_mouse(char *arg)
835{
836	struct mouse_info mouse;
837
838	if (!strcmp(arg, "on")) {
839		mouse.operation = MOUSE_SHOW;
840	} else if (!strcmp(arg, "off")) {
841		mouse.operation = MOUSE_HIDE;
842	} else {
843		revert();
844		errx(1, "argument to -m must be either on or off");
845	}
846
847	if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) {
848		revert();
849		errc(1, errno, "%sing the mouse",
850		     mouse.operation == MOUSE_SHOW ? "show" : "hid");
851	}
852}
853
854
855static void
856set_lockswitch(char *arg)
857{
858	int data;
859
860	if (!strcmp(arg, "off")) {
861		data = 0x01;
862	} else if (!strcmp(arg, "on")) {
863		data = 0x02;
864	} else {
865		revert();
866		errx(1, "argument to -S must be either on or off");
867	}
868
869	if (ioctl(0, VT_LOCKSWITCH, &data) == -1) {
870		revert();
871		errc(1, errno, "turning %s vty switching",
872		     data == 0x01 ? "off" : "on");
873	}
874}
875
876
877/*
878 * Return the adapter name for a specified type.
879 */
880
881static const char
882*adapter_name(int type)
883{
884    static struct {
885	int type;
886	const char *name;
887    } names[] = {
888	{ KD_MONO,	"MDA" },
889	{ KD_HERCULES,	"Hercules" },
890	{ KD_CGA,	"CGA" },
891	{ KD_EGA,	"EGA" },
892	{ KD_VGA,	"VGA" },
893	{ KD_PC98,	"PC-98xx" },
894	{ KD_TGA,	"TGA" },
895	{ -1,		"Unknown" },
896    };
897
898    int i;
899
900    for (i = 0; names[i].type != -1; ++i)
901	if (names[i].type == type)
902	    break;
903    return names[i].name;
904}
905
906
907/*
908 * Show graphics adapter information.
909 */
910
911static void
912show_adapter_info(void)
913{
914	struct video_adapter_info ad;
915
916	ad.va_index = 0;
917
918	if (ioctl(0, CONS_ADPINFO, &ad) == -1) {
919		revert();
920		errc(1, errno, "obtaining adapter information");
921	}
922
923	printf("fb%d:\n", ad.va_index);
924	printf("    %.*s%d, type:%s%s (%d), flags:0x%x\n",
925	       (int)sizeof(ad.va_name), ad.va_name, ad.va_unit,
926	       (ad.va_flags & V_ADP_VESA) ? "VESA " : "",
927	       adapter_name(ad.va_type), ad.va_type, ad.va_flags);
928	printf("    initial mode:%d, current mode:%d, BIOS mode:%d\n",
929	       ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode);
930	printf("    frame buffer window:0x%zx, buffer size:0x%zx\n",
931	       ad.va_window, ad.va_buffer_size);
932	printf("    window size:0x%zx, origin:0x%x\n",
933	       ad.va_window_size, ad.va_window_orig);
934	printf("    display start address (%d, %d), scan line width:%d\n",
935	       ad.va_disp_start.x, ad.va_disp_start.y, ad.va_line_width);
936	printf("    reserved:0x%zx\n", ad.va_unused0);
937}
938
939
940/*
941 * Show video mode information.
942 */
943
944static void
945show_mode_info(void)
946{
947	struct video_info _info;
948	char buf[80];
949	int mode;
950	int c;
951
952	printf("    mode#     flags   type    size       "
953	       "font      window      linear buffer\n");
954	printf("---------------------------------------"
955	       "---------------------------------------\n");
956
957	for (mode = 0; mode < M_VESA_MODE_MAX; ++mode) {
958		_info.vi_mode = mode;
959		if (ioctl(0, CONS_MODEINFO, &_info))
960			continue;
961		if (_info.vi_mode != mode)
962			continue;
963
964		printf("%3d (0x%03x)", mode, mode);
965    		printf(" 0x%08x", _info.vi_flags);
966		if (_info.vi_flags & V_INFO_GRAPHICS) {
967			c = 'G';
968
969			snprintf(buf, sizeof(buf), "%dx%dx%d %d",
970				 _info.vi_width, _info.vi_height,
971				 _info.vi_depth, _info.vi_planes);
972		} else {
973			c = 'T';
974
975			snprintf(buf, sizeof(buf), "%dx%d",
976				 _info.vi_width, _info.vi_height);
977		}
978
979		printf(" %c %-15s", c, buf);
980		snprintf(buf, sizeof(buf), "%dx%d",
981			 _info.vi_cwidth, _info.vi_cheight);
982		printf(" %-5s", buf);
983    		printf(" 0x%05zx %2dk %2dk",
984		       _info.vi_window, (int)_info.vi_window_size/1024,
985		       (int)_info.vi_window_gran/1024);
986    		printf(" 0x%08zx %dk\n",
987		       _info.vi_buffer, (int)_info.vi_buffer_size/1024);
988	}
989}
990
991
992static void
993show_info(char *arg)
994{
995	if (!strcmp(arg, "adapter")) {
996		show_adapter_info();
997	} else if (!strcmp(arg, "mode")) {
998		show_mode_info();
999	} else {
1000		revert();
1001		errx(1, "argument to -i must be either adapter or mode");
1002	}
1003}
1004
1005
1006static void
1007test_frame(void)
1008{
1009	int i, cur_mode, fore;
1010
1011	fore = 15;
1012
1013	if (ioctl(0, CONS_GET, &cur_mode) < 0)
1014		err(1, "must be on a virtual console");
1015	switch (cur_mode) {
1016	case M_PC98_80x25:
1017	case M_PC98_80x30:
1018		fore = 7;
1019		break;
1020	}
1021
1022	fprintf(stdout, "\033[=0G\n\n");
1023	for (i=0; i<8; i++) {
1024		fprintf(stdout, "\033[=%dF\033[=0G        %2d \033[=%dF%-16s"
1025				"\033[=%dF\033[=0G        %2d \033[=%dF%-16s        "
1026				"\033[=%dF %2d \033[=%dGBACKGROUND\033[=0G\n",
1027			fore, i, i, legal_colors[i],
1028			fore, i+8, i+8, legal_colors[i+8],
1029			fore, i, i);
1030	}
1031	fprintf(stdout, "\033[=%dF\033[=%dG\033[=%dH\033[=%dI\n",
1032		info.mv_norm.fore, info.mv_norm.back,
1033		info.mv_rev.fore, info.mv_rev.back);
1034}
1035
1036
1037/*
1038 * Snapshot the video memory of that terminal, using the CONS_SCRSHOT
1039 * ioctl, and writes the results to stdout either in the special
1040 * binary format (see manual page for details), or in the plain
1041 * text format.
1042 */
1043
1044static void
1045dump_screen(int mode, int opt)
1046{
1047	scrshot_t shot;
1048	vid_info_t _info;
1049
1050	_info.size = sizeof(_info);
1051
1052	if (ioctl(0, CONS_GETINFO, &_info) == -1) {
1053		revert();
1054		errc(1, errno, "obtaining current video mode parameters");
1055		return;
1056	}
1057
1058	shot.x = shot.y = 0;
1059	shot.xsize = _info.mv_csz;
1060	shot.ysize = _info.mv_rsz;
1061	if (opt == DUMP_ALL)
1062		shot.ysize += _info.mv_hsz;
1063
1064	shot.buf = alloca(shot.xsize * shot.ysize * sizeof(u_int16_t));
1065	if (shot.buf == NULL) {
1066		revert();
1067		errx(1, "failed to allocate memory for dump");
1068	}
1069
1070	if (ioctl(0, CONS_SCRSHOT, &shot) == -1) {
1071		revert();
1072		errc(1, errno, "dumping screen");
1073	}
1074
1075	if (mode == DUMP_FMT_RAW) {
1076		printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2,
1077		       shot.xsize, shot.ysize);
1078
1079		fflush(stdout);
1080
1081		write(STDOUT_FILENO, shot.buf,
1082		      shot.xsize * shot.ysize * sizeof(u_int16_t));
1083	} else {
1084		char *line;
1085		int x, y;
1086		u_int16_t ch;
1087
1088		line = alloca(shot.xsize + 1);
1089
1090		if (line == NULL) {
1091			revert();
1092			errx(1, "failed to allocate memory for line buffer");
1093		}
1094
1095		for (y = 0; y < shot.ysize; y++) {
1096			for (x = 0; x < shot.xsize; x++) {
1097				ch = shot.buf[x + (y * shot.xsize)];
1098				ch &= 0xff;
1099
1100				if (isprint(ch) == 0)
1101					ch = ' ';
1102
1103				line[x] = (char)ch;
1104			}
1105
1106			/* Trim trailing spaces */
1107
1108			do {
1109				line[x--] = '\0';
1110			} while (line[x] == ' ' && x != 0);
1111
1112			puts(line);
1113		}
1114
1115		fflush(stdout);
1116	}
1117}
1118
1119
1120/*
1121 * Set the console history buffer size.
1122 */
1123
1124static void
1125set_history(char *opt)
1126{
1127	int size;
1128
1129	size = atoi(opt);
1130
1131	if ((*opt == '\0') || size < 0) {
1132		revert();
1133		errx(1, "argument must be a positive number");
1134	}
1135
1136	if (ioctl(0, CONS_HISTORY, &size) == -1) {
1137		revert();
1138		errc(1, errno, "setting history buffer size");
1139	}
1140}
1141
1142
1143/*
1144 * Clear the console history buffer.
1145 */
1146
1147static void
1148clear_history(void)
1149{
1150	if (ioctl(0, CONS_CLRHIST) == -1) {
1151		revert();
1152		errc(1, errno, "clearing history buffer");
1153	}
1154}
1155
1156
1157int
1158main(int argc, char **argv)
1159{
1160	char	*font, *type;
1161	int	dumpmod, dumpopt, opt;
1162	int	reterr;
1163
1164	init();
1165
1166	info.size = sizeof(info);
1167
1168	if (ioctl(0, CONS_GETINFO, &info) == -1)
1169		err(1, "must be on a virtual console");
1170	dumpmod = 0;
1171	dumpopt = DUMP_FBF;
1172	while((opt = getopt(argc, argv, "b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:t:x")) != -1)
1173		switch(opt) {
1174		case 'b':
1175			set_border_color(optarg);
1176			break;
1177		case 'C':
1178			clear_history();
1179			break;
1180		case 'c':
1181			set_cursor_type(optarg);
1182			break;
1183		case 'd':
1184			print_scrnmap();
1185			break;
1186		case 'f':
1187			type = optarg;
1188			font = nextarg(argc, argv, &optind, 'f', 0);
1189
1190			if (font == NULL) {
1191				type = NULL;
1192				font = optarg;
1193			}
1194
1195			load_font(type, font);
1196			break;
1197		case 'g':
1198			if (sscanf(optarg, "%dx%d",
1199			    &vesa_cols, &vesa_rows) != 2) {
1200				revert();
1201				warnx("incorrect geometry: %s", optarg);
1202				usage();
1203			}
1204                	break;
1205		case 'h':
1206			set_history(optarg);
1207			break;
1208		case 'H':
1209			dumpopt = DUMP_ALL;
1210			break;
1211		case 'i':
1212			show_info(optarg);
1213			break;
1214		case 'l':
1215			load_scrnmap(optarg);
1216			break;
1217		case 'L':
1218			load_default_scrnmap();
1219			break;
1220		case 'M':
1221			set_mouse_char(optarg);
1222			break;
1223		case 'm':
1224			set_mouse(optarg);
1225			break;
1226		case 'p':
1227			dumpmod = DUMP_FMT_RAW;
1228			break;
1229		case 'P':
1230			dumpmod = DUMP_FMT_TXT;
1231			break;
1232		case 'r':
1233			get_reverse_colors(argc, argv, &optind);
1234			break;
1235		case 'S':
1236			set_lockswitch(optarg);
1237			break;
1238		case 's':
1239			set_console(optarg);
1240			break;
1241		case 't':
1242			set_screensaver_timeout(optarg);
1243			break;
1244		case 'x':
1245			hex = 1;
1246			break;
1247		default:
1248			usage();
1249		}
1250
1251	if (dumpmod != 0)
1252		dump_screen(dumpmod, dumpopt);
1253	reterr = video_mode(argc, argv, &optind);
1254	get_normal_colors(argc, argv, &optind);
1255
1256	if (optind < argc && !strcmp(argv[optind], "show")) {
1257		test_frame();
1258		optind++;
1259	}
1260
1261	video_mode(argc, argv, &optind);
1262
1263	get_normal_colors(argc, argv, &optind);
1264
1265	if (colors_changed || video_mode_changed) {
1266		if (!(new_mode_info.vi_flags & V_INFO_GRAPHICS)) {
1267			if ((normal_back_color < 8) && (revers_back_color < 8)) {
1268				set_colors();
1269			} else {
1270				revert();
1271				errx(1, "bg color for text modes must be < 8");
1272			}
1273		} else {
1274			set_colors();
1275		}
1276	}
1277
1278	if ((optind != argc) || (argc == 1))
1279		usage();
1280	return reterr;
1281}
1282
1283