FreeBSD-5.3/usr.sbin/vidcontrol/vidcontrol.c
/*-
* Copyright (c) 1994-1996 Søren Schmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD: src/usr.sbin/vidcontrol/vidcontrol.c,v 1.47 2003/09/18 16:20:32 eivind Exp $";
#endif /* not lint */
#include <ctype.h>
#include <err.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/fbio.h>
#include <sys/consio.h>
#include <sys/errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "path.h"
#include "decode.h"
#define _VESA_800x600_DFL_COLS 80
#define _VESA_800x600_DFL_ROWS 25
#define _VESA_800x600_DFL_FNSZ 16
/* Screen dump modes */
#define DUMP_FMT_RAW 1
#define DUMP_FMT_TXT 2
/* Screen dump options */
#define DUMP_FBF 0
#define DUMP_ALL 1
/* Screen dump file format revision */
#define DUMP_FMT_REV 1
char legal_colors[16][16] = {
"black", "blue", "green", "cyan",
"red", "magenta", "brown", "white",
"grey", "lightblue", "lightgreen", "lightcyan",
"lightred", "lightmagenta", "yellow", "lightwhite"
};
int hex = 0;
int number;
int vesa_cols = _VESA_800x600_DFL_COLS;
int vesa_rows = _VESA_800x600_DFL_ROWS;
char letter;
struct vid_info info;
static void
usage()
{
fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
"usage: vidcontrol [-CdHLPpx] [-b color] [-c appearance] [-f [size] file]",
" [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]",
" [-M char] [-m on | off] [-r foreground background]",
" [-S on | off] [-s number] [-t N | off] [mode]",
" [foreground [background]] [show]");
exit(1);
}
char *
nextarg(int ac, char **av, int *indp, int oc, int strict)
{
if (*indp < ac)
return(av[(*indp)++]);
if (strict != 0)
errx(1, "option requires two arguments -- %c", oc);
return(NULL);
}
FILE *
openguess(char *a[], char *b[], char *c[], char *d[], char **name)
{
FILE *f;
int i, j, k, l;
for (i = 0; a[i] != NULL; i++) {
for (j = 0; b[j] != NULL; j++) {
for (k = 0; c[k] != NULL; k++) {
for (l = 0; d[l] != NULL; l++) {
asprintf(name, "%s%s%s%s", a[i], b[j],
c[k], d[l]);
f = fopen(*name, "r");
if (f != NULL)
return (f);
free(*name);
}
}
}
}
return (NULL);
}
void
load_scrnmap(char *filename)
{
FILE *fd;
int size;
char *name;
scrmap_t scrnmap;
char *a[] = {"", SCRNMAP_PATH, NULL};
char *b[] = {filename, NULL};
char *c[] = {"", ".scm", NULL};
char *d[] = {"", NULL};
fd = openguess(a, b, c, d, &name);
if (fd == NULL) {
warn("screenmap file not found");
return;
}
size = sizeof(scrnmap);
if (decode(fd, (char *)&scrnmap, size) != size) {
rewind(fd);
if (fread(&scrnmap, 1, size, fd) != size) {
warnx("bad screenmap file");
fclose(fd);
return;
}
}
if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
warn("can't load screenmap");
fclose(fd);
}
void
load_default_scrnmap()
{
scrmap_t scrnmap;
int i;
for (i=0; i<256; i++)
*((char*)&scrnmap + i) = i;
if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
warn("can't load default screenmap");
}
void
print_scrnmap()
{
unsigned char map[256];
int i;
if (ioctl(0, GIO_SCRNMAP, &map) < 0) {
warn("getting screenmap");
return;
}
for (i=0; i<sizeof(map); i++) {
if (i > 0 && i % 16 == 0)
fprintf(stdout, "\n");
if (hex)
fprintf(stdout, " %02x", map[i]);
else
fprintf(stdout, " %03d", map[i]);
}
fprintf(stdout, "\n");
}
int
fsize(FILE *file)
{
struct stat sb;
if (fstat(fileno(file), &sb) == 0)
return sb.st_size;
else
return -1;
}
#define DATASIZE(x) ((x).w * (x).h * 256 / 8)
void
load_font(char *type, char *filename)
{
FILE *fd;
int h, i, size, w;
unsigned long io = 0; /* silence stupid gcc(1) in the Wall mode */
char *name, *fontmap, size_sufx[6];
char *a[] = {"", FONT_PATH, NULL};
char *b[] = {filename, NULL};
char *c[] = {"", size_sufx, NULL};
char *d[] = {"", ".fnt", NULL};
vid_info_t info;
struct sizeinfo {
int w;
int h;
unsigned long io;
} sizes[] = {{8, 16, PIO_FONT8x16},
{8, 14, PIO_FONT8x14},
{8, 8, PIO_FONT8x8},
{0, 0, 0}};
info.size = sizeof(info);
if (ioctl(0, CONS_GETINFO, &info) == -1) {
warn("failed to obtain current video mode parameters");
return;
}
snprintf(size_sufx, sizeof(size_sufx), "-8x%d", info.font_size);
fd = openguess(a, b, c, d, &name);
if (fd == NULL) {
warn("%s: can't load font file", filename);
return;
}
if (type != NULL) {
size = 0;
if (sscanf(type, "%dx%d", &w, &h) == 2)
for (i = 0; sizes[i].w != 0; i++)
if (sizes[i].w == w && sizes[i].h == h) {
size = DATASIZE(sizes[i]);
io = sizes[i].io;
}
if (size == 0) {
warnx("%s: bad font size specification", type);
fclose(fd);
return;
}
} else {
/* Apply heuristics */
int j;
int dsize[2];
size = DATASIZE(sizes[0]);
fontmap = (char*) malloc(size);
dsize[0] = decode(fd, fontmap, size);
dsize[1] = fsize(fd);
free(fontmap);
size = 0;
for (j = 0; j < 2; j++)
for (i = 0; sizes[i].w != 0; i++)
if (DATASIZE(sizes[i]) == dsize[j]) {
size = dsize[j];
io = sizes[i].io;
j = 2; /* XXX */
break;
}
if (size == 0) {
warnx("%s: can't guess font size", filename);
fclose(fd);
return;
}
rewind(fd);
}
fontmap = (char*) malloc(size);
if (decode(fd, fontmap, size) != size) {
rewind(fd);
if (fsize(fd) != size || fread(fontmap, 1, size, fd) != size) {
warnx("%s: bad font file", filename);
fclose(fd);
free(fontmap);
return;
}
}
if (ioctl(0, io, fontmap) < 0)
warn("can't load font");
fclose(fd);
free(fontmap);
}
void
set_screensaver_timeout(char *arg)
{
int nsec;
if (!strcmp(arg, "off"))
nsec = 0;
else {
nsec = atoi(arg);
if ((*arg == '\0') || (nsec < 1)) {
warnx("argument must be a positive number");
return;
}
}
if (ioctl(0, CONS_BLANKTIME, &nsec) == -1)
warn("setting screensaver period");
}
void
set_cursor_type(char *appearence)
{
int type;
if (!strcmp(appearence, "normal"))
type = 0;
else if (!strcmp(appearence, "blink"))
type = 1;
else if (!strcmp(appearence, "destructive"))
type = 3;
else {
warnx("argument to -c must be normal, blink or destructive");
return;
}
ioctl(0, CONS_CURSORTYPE, &type);
}
int
video_mode(int argc, char **argv, int *index)
{
static struct {
char *name;
unsigned long mode;
} modes[] = {
{ "80x25", SW_TEXT_80x25 },
{ "80x30", SW_TEXT_80x30 },
{ "80x43", SW_TEXT_80x43 },
{ "80x50", SW_TEXT_80x50 },
{ "80x60", SW_TEXT_80x60 },
{ "132x25", SW_TEXT_132x25 },
{ "132x30", SW_TEXT_132x30 },
{ "132x43", SW_TEXT_132x43 },
{ "132x50", SW_TEXT_132x50 },
{ "132x60", SW_TEXT_132x60 },
{ "VGA_40x25", SW_VGA_C40x25 },
{ "VGA_80x25", SW_VGA_C80x25 },
{ "VGA_80x30", SW_VGA_C80x30 },
{ "VGA_80x50", SW_VGA_C80x50 },
{ "VGA_80x60", SW_VGA_C80x60 },
#ifdef SW_VGA_C90x25
{ "VGA_90x25", SW_VGA_C90x25 },
{ "VGA_90x30", SW_VGA_C90x30 },
{ "VGA_90x43", SW_VGA_C90x43 },
{ "VGA_90x50", SW_VGA_C90x50 },
{ "VGA_90x60", SW_VGA_C90x60 },
#endif
{ "VGA_320x200", SW_VGA_CG320 },
{ "EGA_80x25", SW_ENH_C80x25 },
{ "EGA_80x43", SW_ENH_C80x43 },
{ "VESA_132x25", SW_VESA_C132x25 },
{ "VESA_132x43", SW_VESA_C132x43 },
{ "VESA_132x50", SW_VESA_C132x50 },
{ "VESA_132x60", SW_VESA_C132x60 },
{ "VESA_800x600", SW_VESA_800x600 },
{ NULL },
};
unsigned long mode = 0;
int cur_mode;
int ioerr;
int size[3];
int i;
if (ioctl(0, CONS_GET, &cur_mode) < 0)
err(1, "cannot get the current video mode");
if (*index < argc) {
for (i = 0; modes[i].name != NULL; ++i) {
if (!strcmp(argv[*index], modes[i].name)) {
mode = modes[i].mode;
break;
}
}
if (modes[i].name == NULL)
return EXIT_FAILURE;
if (ioctl(0, mode, NULL) < 0) {
warn("cannot set videomode");
return EXIT_FAILURE;
}
if (mode == SW_VESA_800x600) {
/* columns */
if ((vesa_cols * 8 > 800) || (vesa_cols <= 0)) {
warnx("incorrect number of columns: %d",
vesa_cols);
size[0] = _VESA_800x600_DFL_COLS;
} else {
size[0] = vesa_cols;
}
/* rows */
if ((vesa_rows * _VESA_800x600_DFL_FNSZ > 600) ||
(vesa_rows <=0)) {
warnx("incorrect number of rows: %d",
vesa_rows);
size[1] = _VESA_800x600_DFL_ROWS;
} else {
size[1] = vesa_rows;
}
/* font size */
size[2] = _VESA_800x600_DFL_FNSZ;
if (ioctl(0, KDRASTER, size)) {
ioerr = errno;
if (cur_mode >= M_VESA_BASE)
ioctl(0,
_IO('V', cur_mode - M_VESA_BASE),
NULL);
else
ioctl(0, _IO('S', cur_mode), NULL);
warnc(ioerr, "cannot activate raster display");
return EXIT_FAILURE;
}
}
(*index)++;
}
return EXIT_SUCCESS;
}
int
get_color_number(char *color)
{
int i;
for (i=0; i<16; i++)
if (!strcmp(color, legal_colors[i]))
return i;
return -1;
}
void
set_normal_colors(int argc, char **argv, int *index)
{
int color;
if (*index < argc && (color = get_color_number(argv[*index])) != -1) {
(*index)++;
fprintf(stderr, "[=%dF", color);
if (*index < argc
&& (color = get_color_number(argv[*index])) != -1
&& color < 8) {
(*index)++;
fprintf(stderr, "[=%dG", color);
}
}
}
void
set_reverse_colors(int argc, char **argv, int *index)
{
int color;
if ((color = get_color_number(argv[*(index)-1])) != -1) {
fprintf(stderr, "[=%dH", color);
if (*index < argc
&& (color = get_color_number(argv[*index])) != -1
&& color < 8) {
(*index)++;
fprintf(stderr, "[=%dI", color);
}
}
}
void
set_console(char *arg)
{
int n;
if( !arg || strspn(arg,"0123456789") != strlen(arg)) {
warnx("bad console number");
return;
}
n = atoi(arg);
if (n < 1 || n > 16) {
warnx("console number out of range");
} else if (ioctl(0, VT_ACTIVATE, (caddr_t) (long) n) == -1)
warn("ioctl(VT_ACTIVATE)");
}
void
set_border_color(char *arg)
{
int color;
if ((color = get_color_number(arg)) != -1) {
fprintf(stderr, "[=%dA", color);
}
else
usage();
}
void
set_mouse_char(char *arg)
{
struct mouse_info mouse;
long l;
l = strtol(arg, NULL, 0);
if ((l < 0) || (l > UCHAR_MAX - 3)) {
warnx("argument to -M must be 0 through %d", UCHAR_MAX - 3);
return;
}
mouse.operation = MOUSE_MOUSECHAR;
mouse.u.mouse_char = (int)l;
ioctl(0, CONS_MOUSECTL, &mouse);
}
void
set_mouse(char *arg)
{
struct mouse_info mouse;
if (!strcmp(arg, "on"))
mouse.operation = MOUSE_SHOW;
else if (!strcmp(arg, "off"))
mouse.operation = MOUSE_HIDE;
else {
warnx("argument to -m must be either on or off");
return;
}
ioctl(0, CONS_MOUSECTL, &mouse);
}
void
set_lockswitch(char *arg)
{
int data;
if (!strcmp(arg, "off"))
data = 0x01;
else if (!strcmp(arg, "on"))
data = 0x02;
else {
warnx("argument to -S must be either on or off");
return;
}
if (ioctl(0, VT_LOCKSWITCH, &data) == -1)
warn("ioctl(VT_LOCKSWITCH)");
}
static char
*adapter_name(int type)
{
static struct {
int type;
char *name;
} names[] = {
{ KD_MONO, "MDA" },
{ KD_HERCULES, "Hercules" },
{ KD_CGA, "CGA" },
{ KD_EGA, "EGA" },
{ KD_VGA, "VGA" },
{ KD_PC98, "PC-98xx" },
{ KD_TGA, "TGA" },
{ -1, "Unknown" },
};
int i;
for (i = 0; names[i].type != -1; ++i)
if (names[i].type == type)
break;
return names[i].name;
}
void
show_adapter_info(void)
{
struct video_adapter_info ad;
ad.va_index = 0;
if (ioctl(0, CONS_ADPINFO, &ad)) {
warn("failed to obtain adapter information");
return;
}
printf("fb%d:\n", ad.va_index);
printf(" %.*s%d, type:%s%s (%d), flags:0x%x\n",
(int)sizeof(ad.va_name), ad.va_name, ad.va_unit,
(ad.va_flags & V_ADP_VESA) ? "VESA " : "",
adapter_name(ad.va_type), ad.va_type, ad.va_flags);
printf(" initial mode:%d, current mode:%d, BIOS mode:%d\n",
ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode);
printf(" frame buffer window:0x%x, buffer size:0x%x\n",
ad.va_window, ad.va_buffer_size);
printf(" window size:0x%x, origin:0x%x\n",
ad.va_window_size, ad.va_window_orig);
printf(" display start address (%d, %d), scan line width:%d\n",
ad.va_disp_start.x, ad.va_disp_start.y, ad.va_line_width);
printf(" reserved:0x%x\n", ad.va_unused0);
}
void
show_mode_info(void)
{
struct video_info info;
char buf[80];
int mode;
int c;
printf(" mode# flags type size "
"font window linear buffer\n");
printf("---------------------------------------"
"---------------------------------------\n");
for (mode = 0; mode < M_VESA_MODE_MAX; ++mode) {
info.vi_mode = mode;
if (ioctl(0, CONS_MODEINFO, &info))
continue;
if (info.vi_mode != mode)
continue;
printf("%3d (0x%03x)", mode, mode);
printf(" 0x%08x", info.vi_flags);
if (info.vi_flags & V_INFO_GRAPHICS) {
c = 'G';
snprintf(buf, sizeof(buf), "%dx%dx%d %d",
info.vi_width, info.vi_height,
info.vi_depth, info.vi_planes);
} else {
c = 'T';
snprintf(buf, sizeof(buf), "%dx%d",
info.vi_width, info.vi_height);
}
printf(" %c %-15s", c, buf);
snprintf(buf, sizeof(buf), "%dx%d",
info.vi_cwidth, info.vi_cheight);
printf(" %-5s", buf);
printf(" 0x%05x %2dk %2dk",
info.vi_window, (int)info.vi_window_size/1024,
(int)info.vi_window_gran/1024);
printf(" 0x%08x %dk\n",
info.vi_buffer, (int)info.vi_buffer_size/1024);
}
}
void
show_info(char *arg)
{
if (!strcmp(arg, "adapter"))
show_adapter_info();
else if (!strcmp(arg, "mode"))
show_mode_info();
else {
warnx("argument to -i must be either adapter or mode");
return;
}
}
void
test_frame()
{
int i;
fprintf(stdout, "[=0G\n\n");
for (i=0; i<8; i++) {
fprintf(stdout, "[=15F[=0G %2d [=%dF%-16s"
"[=15F[=0G %2d [=%dF%-16s "
"[=15F %2d [=%dGBACKGROUND[=0G\n",
i, i, legal_colors[i], i+8, i+8,
legal_colors[i+8], i, i);
}
fprintf(stdout, "[=%dF[=%dG[=%dH[=%dI\n",
info.mv_norm.fore, info.mv_norm.back,
info.mv_rev.fore, info.mv_rev.back);
}
/*
* Snapshot the video memory of that terminal, using the CONS_SCRSHOT
* ioctl, and writes the results to stdout either in the special
* binary format (see manual page for details), or in the plain
* text format.
*/
void
dump_screen(int mode, int opt)
{
scrshot_t shot;
vid_info_t info;
info.size = sizeof(info);
if (ioctl(0, CONS_GETINFO, &info) == -1) {
warn("failed to obtain current video mode parameters");
return;
}
shot.x = shot.y = 0;
shot.xsize = info.mv_csz;
shot.ysize = info.mv_rsz;
if (opt == DUMP_ALL)
shot.ysize += info.mv_hsz;
shot.buf = alloca(shot.xsize * shot.ysize * sizeof(u_int16_t));
if (shot.buf == NULL) {
warn("failed to allocate memory for dump");
return;
}
if (ioctl(0, CONS_SCRSHOT, &shot) == -1) {
warn("failed to get dump of the screen");
return;
}
if (mode == DUMP_FMT_RAW) {
printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2,
shot.xsize, shot.ysize);
fflush(stdout);
(void)write(STDOUT_FILENO, shot.buf,
shot.xsize * shot.ysize * sizeof(u_int16_t));
} else {
char *line;
int x, y;
u_int16_t ch;
line = alloca(shot.xsize + 1);
if (line == NULL) {
warn("failed to allocate memory for line buffer");
return;
}
for (y = 0; y < shot.ysize; y++) {
for (x = 0; x < shot.xsize; x++) {
ch = shot.buf[x + (y * shot.xsize)];
ch &= 0xff;
if (isprint(ch) == 0)
ch = ' ';
line[x] = (char)ch;
}
/* Trim trailing spaces */
do {
line[x--] = '\0';
} while (line[x] == ' ' && x != 0);
puts(line);
}
fflush(stdout);
}
return;
}
void
set_history(char *opt)
{
int size;
size = atoi(opt);
if ((*opt == '\0') || size < 0) {
warnx("argument must be a positive number");
return;
}
if (ioctl(0, CONS_HISTORY, &size) == -1)
warn("setting history buffer size");
}
void
clear_history()
{
if (ioctl(0, CONS_CLRHIST) == -1)
warn("clear history buffer");
}
int
main(int argc, char **argv)
{
char *font, *type;
int dumpmod, dumpopt, opt;
int reterr;
info.size = sizeof(info);
if (argc == 1)
usage();
/* Not reached */
if (ioctl(0, CONS_GETINFO, &info) < 0)
err(1, "must be on a virtual console");
dumpmod = 0;
dumpopt = DUMP_FBF;
while((opt = getopt(argc, argv, "b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:t:x")) != -1)
switch(opt) {
case 'b':
set_border_color(optarg);
break;
case 'C':
clear_history();
break;
case 'c':
set_cursor_type(optarg);
break;
case 'd':
print_scrnmap();
break;
case 'f':
type = optarg;
font = nextarg(argc, argv, &optind, 'f', 0);
if (font == NULL) {
type = NULL;
font = optarg;
}
load_font(type, font);
break;
case 'g':
if (sscanf(optarg, "%dx%d", &vesa_cols,
&vesa_rows) != 2) {
warnx("incorrect geometry: %s", optarg);
usage();
}
break;
case 'h':
set_history(optarg);
break;
case 'H':
dumpopt = DUMP_ALL;
break;
case 'i':
show_info(optarg);
break;
case 'l':
load_scrnmap(optarg);
break;
case 'L':
load_default_scrnmap();
break;
case 'M':
set_mouse_char(optarg);
break;
case 'm':
set_mouse(optarg);
break;
case 'p':
dumpmod = DUMP_FMT_RAW;
break;
case 'P':
dumpmod = DUMP_FMT_TXT;
break;
case 'r':
set_reverse_colors(argc, argv, &optind);
break;
case 'S':
set_lockswitch(optarg);
break;
case 's':
set_console(optarg);
break;
case 't':
set_screensaver_timeout(optarg);
break;
case 'x':
hex = 1;
break;
default:
usage();
}
if (dumpmod != 0)
dump_screen(dumpmod, dumpopt);
reterr = video_mode(argc, argv, &optind);
set_normal_colors(argc, argv, &optind);
if (optind < argc && !strcmp(argv[optind], "show")) {
test_frame();
optind++;
}
if ((optind != argc) || (argc == 1))
usage();
return reterr;
}