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o Teach vidcontrol(1) how to load vt(4) font.

Browse Source 
o Teach vidcontrol(1) to distinct which virtual terminal system is running now.
o Load vt(4) fonts from different location.
o Add $FreeBSD$ tag for path.h.

Tested by:	Claude Buisson <clbuisson@orange.fr>

MFC after:	7 days
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
ray 2014-05-29 13:09:48 +00:00
parent 7c2069f21e
commit dc8ca866c1
2 changed files with 142 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
usr.sbin/vidcontrol/path.h
View File

@ -1,4 +1,8 @@
/* $FreeBSD$ */
#define KEYMAP_PATH "/usr/share/syscons/keymaps/"
#define FONT_PATH "/usr/share/syscons/fonts/"
#define SCRNMAP_PATH "/usr/share/syscons/scrnmaps/"
#define VT_KEYMAP_PATH "/usr/share/vt/keymaps/"
#define VT_FONT_PATH "/usr/share/vt/fonts/"

151
usr.sbin/vidcontrol/vidcontrol.c
View File

@ -45,9 +45,12 @@ static const char rcsid[] =
#include <unistd.h>
#include <sys/fbio.h>
#include <sys/consio.h>
#include <sys/endian.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include "path.h"
#include "decode.h"
@ -78,6 +81,15 @@ static struct {
struct video_info video_mode_info;
} cur_info;
struct vt4font_header {
uint8_t magic[8];
uint8_t width;
uint8_t height;
uint16_t pad;
uint32_t glyph_count;
uint32_t map_count[4];
} __packed;
static int hex = 0;
static int vesa_cols;
static int vesa_rows;
@ -86,6 +98,7 @@ static int colors_changed;
static int video_mode_changed;
static int normal_fore_color, normal_back_color;
static int revers_fore_color, revers_back_color;
static int vt4_mode = 0;
static struct vid_info info;
static struct video_info new_mode_info;
@ -115,7 +128,9 @@ init(void)
if (ioctl(0, CONS_GETINFO, &cur_info.console_info) == -1)
errc(1, errno, "getting console information");
if (ioctl(0, GIO_SCRNMAP, &cur_info.screen_map) == -1)
/* vt(4) use unicode, so no screen mapping required. */
if (vt4_mode == 0 &&
ioctl(0, GIO_SCRNMAP, &cur_info.screen_map) == -1)
errc(1, errno, "getting screen map");
if (ioctl(0, CONS_GET, &cur_info.video_mode_number) == -1)
@ -153,7 +168,8 @@ revert(void)
fprintf(stderr, "\033[=%dH", cur_info.console_info.mv_rev.fore);
fprintf(stderr, "\033[=%dI", cur_info.console_info.mv_rev.back);
ioctl(0, PIO_SCRNMAP, &cur_info.screen_map);
if (vt4_mode == 0)
ioctl(0, PIO_SCRNMAP, &cur_info.screen_map);
if (cur_info.video_mode_number >= M_VESA_BASE)
ioctl(0, _IO('V', cur_info.video_mode_number - M_VESA_BASE),
@ -179,7 +195,15 @@ revert(void)
static void
usage(void)
{
fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
if (vt4_mode)
fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
"usage: vidcontrol [-CHPpx] [-b color] [-c appearance] [-f [size] file]",
" [-g geometry] [-h size] [-i adapter | mode]",
" [-M char] [-m on | off] [-r foreground background]",
" [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]",
" [mode] [foreground [background]] [show]");
else
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]",
@ -188,6 +212,16 @@ usage(void)
exit(1);
}
/* Detect presence of vt(4). */
static int
is_vt4(void)
{
if (sysctlbyname("kern.vt.deadtimer", NULL, NULL, NULL, 0) == 0)
return (1);
return (0);
}
/*
* Retrieve the next argument from the command line (for options that require
@ -349,6 +383,72 @@ fsize(FILE *file)
return -1;
}
static vfnt_map_t *
load_vt4mappingtable(unsigned int nmappings, FILE *f)
{
vfnt_map_t *t;
unsigned int i;
if (nmappings == 0)
return (NULL);
t = malloc(sizeof *t * nmappings);
if (fread(t, sizeof *t * nmappings, 1, f) != 1) {
perror("mappings");
exit(1);
}
for (i = 0; i < nmappings; i++) {
t[i].src = be32toh(t[i].src);
t[i].dst = be16toh(t[i].dst);
t[i].len = be16toh(t[i].len);
}
return (t);
}
static int
load_vt4font(FILE *f)
{
struct vt4font_header fh;
static vfnt_t vfnt;
size_t glyphsize;
unsigned int i;
if (fread(&fh, sizeof fh, 1, f) != 1) {
perror("file_header");
return (1);
}
if (memcmp(fh.magic, "VFNT0002", 8) != 0) {
fprintf(stderr, "Bad magic\n");
return (1);
}
for (i = 0; i < VFNT_MAPS; i++)
vfnt.map_count[i] = be32toh(fh.map_count[i]);
vfnt.glyph_count = be32toh(fh.glyph_count);
vfnt.width = fh.width;
vfnt.height = fh.height;
glyphsize = howmany(vfnt.width, 8) * vfnt.height * vfnt.glyph_count;
vfnt.glyphs = malloc(glyphsize);
if (fread(vfnt.glyphs, glyphsize, 1, f) != 1) {
perror("glyphs");
return (1);
}
for (i = 0; i < VFNT_MAPS; i++)
vfnt.map[i] = load_vt4mappingtable(vfnt.map_count[i], f);
if (ioctl(STDIN_FILENO, PIO_VFONT, &vfnt) == -1) {
perror("PIO_VFONT");
return (1);
}
return (0);
}
/*
* Load a font from file and set it.
@ -362,6 +462,7 @@ load_font(const char *type, const char *filename)
unsigned long io = 0; /* silence stupid gcc(1) in the Wall mode */
char *name, *fontmap, size_sufx[6];
const char *a[] = {"", FONT_PATH, NULL};
const char *vt4a[] = {"", VT_FONT_PATH, NULL};
const char *b[] = {filename, NULL};
const char *c[] = {"", size_sufx, NULL};
const char *d[] = {"", ".fnt", NULL};
@ -376,21 +477,32 @@ load_font(const char *type, const char *filename)
{8, 8, PIO_FONT8x8},
{0, 0, 0}};
_info.size = sizeof(_info);
if (ioctl(0, CONS_GETINFO, &_info) == -1) {
revert();
warn("failed to obtain current video mode parameters");
return;
}
if (vt4_mode) {
size_sufx[0] = '\0';
} else {
_info.size = sizeof(_info);
if (ioctl(0, CONS_GETINFO, &_info) == -1) {
revert();
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);
snprintf(size_sufx, sizeof(size_sufx), "-8x%d", _info.font_size);
}
fd = openguess((vt4_mode == 0) ? a : vt4a, b, c, d, &name);
if (fd == NULL) {
revert();
errx(1, "%s: can't load font file", filename);
}
if (vt4_mode) {
if(load_vt4font(fd))
warn("failed to load font \"%s\"", filename);
fclose(fd);
return;
}
if (type != NULL) {
size = 0;
if (sscanf(type, "%dx%d", &w, &h) == 2) {
@ -1199,9 +1311,12 @@ int
main(int argc, char **argv)
{
char *font, *type, *termmode;
const char *opts;
int dumpmod, dumpopt, opt;
int reterr;
vt4_mode = is_vt4();
init();
info.size = sizeof(info);
@ -1211,8 +1326,12 @@ main(int argc, char **argv)
dumpmod = 0;
dumpopt = DUMP_FBF;
termmode = NULL;
while ((opt = getopt(argc, argv,
"b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:T:t:x")) != -1)
if (vt4_mode)
opts = "b:Cc:f:g:h:Hi:M:m:pPr:S:s:T:t:x";
else
opts = "b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:T:t:x";
while ((opt = getopt(argc, argv, opts)) != -1)
switch(opt) {
case 'b':
set_border_color(optarg);
@ -1224,6 +1343,8 @@ main(int argc, char **argv)
set_cursor_type(optarg);
break;
case 'd':
if (vt4_mode)
break;
print_scrnmap();
break;
case 'f':
@ -1255,9 +1376,13 @@ main(int argc, char **argv)
show_info(optarg);
break;
case 'l':
if (vt4_mode)
break;
load_scrnmap(optarg);
break;
case 'L':
if (vt4_mode)
break;
load_default_scrnmap();
break;
case 'M':