*
* Loads the console font, and possibly the corresponding screen map(s).
* (Adapted for busybox by Matej Vela.)
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
#include <sys/kd.h>
+#ifndef KDFONTOP
+#define KDFONTOP 0x4B72
+struct console_font_op {
+ unsigned op; /* KD_FONT_OP_* */
+ unsigned flags; /* KD_FONT_FLAG_* */
+ unsigned width, height;
+ unsigned charcount;
+ unsigned char *data; /* font data with height fixed to 32 */
+};
+
+#define KD_FONT_OP_SET 0 /* Set font */
+#define KD_FONT_OP_GET 1 /* Get font */
+#define KD_FONT_OP_SET_DEFAULT 2 /* Set font to default,
+ data points to name / NULL */
+#define KD_FONT_OP_COPY 3 /* Copy from another console */
+
+#define KD_FONT_FLAG_OLD 0x80000000 /* Invoked via old interface */
+#define KD_FONT_FLAG_DONT_RECALC 1 /* Don't call adjust_height() */
+ /* (Used internally for PIO_FONT support) */
+#endif /* KDFONTOP */
+
+
enum {
PSF_MAGIC1 = 0x36,
PSF_MAGIC2 = 0x04,
PSF_MODE512 = 0x01,
PSF_MODEHASTAB = 0x02,
PSF_MAXMODE = 0x03,
- PSF_SEPARATOR = 0xFFFF
+ PSF_SEPARATOR = 0xffff
};
struct psf_header {
for (i = 0; i < fontsize; i++)
memcpy(buf + (32 * i), inbuf + (unit * i), unit);
+ { /* KDFONTOP */
+ struct console_font_op cfo;
+
+ cfo.op = KD_FONT_OP_SET;
+ cfo.flags = 0;
+ cfo.width = 8;
+ cfo.height = unit;
+ cfo.charcount = fontsize;
+ cfo.data = (void*)buf;
+#if 0
+ if (!ioctl_or_perror(fd, KDFONTOP, &cfo, "KDFONTOP ioctl failed (will try PIO_FONTX)"))
+ goto ret; /* success */
+#else
+ xioctl(fd, KDFONTOP, &cfo);
+#endif
+ }
+
+#if 0
+/* These ones do not honour -C tty (they set font on current tty regardless)
+ * On x86, this distinction is visible on framebuffer consoles
+ * (regular character consoles may have only one shared font anyway)
+ */
#if defined(PIO_FONTX) && !defined(__sparc__)
{
struct consolefontdesc cfd;
cfd.chardata = buf;
if (!ioctl_or_perror(fd, PIO_FONTX, &cfd, "PIO_FONTX ioctl failed (will try PIO_FONT)"))
- goto ret; /* success */
+ goto ret; /* success */
}
#endif
xioctl(fd, PIO_FONT, buf);
ret:
+#endif /* 0 */
free(buf);
}
* just read the entire file.
*/
len = 32*1024; // can't be larger
- psfhdr = (struct psf_header *) xmalloc_read(STDIN_FILENO, &len);
+ psfhdr = xmalloc_read(STDIN_FILENO, &len);
// xmalloc_open_zipped_read_close(filename, &len);
if (!psfhdr)
bb_perror_msg_and_die("error reading input font");
}
#endif
+#if ENABLE_SETFONT
+
/*
kbd-1.12:
-V Version
*/
-#if ENABLE_SETFONT
+#if ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
+static int ctoi(char *s)
+{
+ if (s[0] == '\'' && s[1] != '\0' && s[2] == '\'' && s[3] == '\0')
+ return s[1];
+ // U+ means 0x
+ if (s[0] == 'U' && s[1] == '+') {
+ s[0] = '0';
+ s[1] = 'x';
+ }
+ if (!isdigit(s[0]))
+ return -1;
+ return xstrtoul(s, 0);
+}
+#endif
+
int setfont_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int setfont_main(int argc UNUSED_PARAM, char **argv)
{
size_t len;
+ unsigned opts;
+ int fd;
struct psf_header *psfhdr;
char *mapfilename;
- int fd;
+ const char *tty_name = CURRENT_TTY;
opt_complementary = "=1";
- getopt32(argv, "m:", &mapfilename);
+ opts = getopt32(argv, "m:C:", &mapfilename, &tty_name);
argv += optind;
+ fd = xopen(tty_name, O_NONBLOCK);
+
+ if (sizeof(CONFIG_DEFAULT_SETFONT_DIR) > 1) { // if not ""
+ if (*argv[0] != '/') {
+ // goto default fonts location. don't die if doesn't exist
+ chdir(CONFIG_DEFAULT_SETFONT_DIR "/consolefonts");
+ }
+ }
// load font
len = 32*1024; // can't be larger
- psfhdr = (struct psf_header *) xmalloc_open_zipped_read_close(*argv, &len);
- fd = get_console_fd_or_die();
+ psfhdr = xmalloc_open_zipped_read_close(*argv, &len);
+ if (!psfhdr)
+ bb_simple_perror_msg_and_die(*argv);
do_load(fd, psfhdr, len);
// load the screen map, if any
- if (option_mask32 & 1) { // -m
- void *map = xmalloc_open_zipped_read_close(mapfilename, &len);
+ if (opts & 1) { // -m
+ unsigned mode = PIO_SCRNMAP;
+ void *map;
+
+ if (sizeof(CONFIG_DEFAULT_SETFONT_DIR) > 1) { // if not ""
+ if (mapfilename[0] != '/') {
+ // goto default keymaps location
+ chdir(CONFIG_DEFAULT_SETFONT_DIR "/consoletrans");
+ }
+ }
+ // fetch keymap
+ map = xmalloc_open_zipped_read_close(mapfilename, &len);
+ if (!map)
+ bb_simple_perror_msg_and_die(mapfilename);
+ // file size is 256 or 512 bytes? -> assume binary map
if (len == E_TABSZ || len == 2*E_TABSZ) {
- //TODO: support textual Unicode console maps:
- // 0x00 U+0000 # NULL (NUL)
- // 0x01 U+0001 # START OF HEADING (SOH)
- // 0x02 U+0002 # START OF TEXT (STX)
- // 0x03 U+0003 # END OF TEXT (ETX)
- xioctl(fd, (len == 2*E_TABSZ) ? PIO_UNISCRNMAP : PIO_SCRNMAP, map);
+ if (len == 2*E_TABSZ)
+ mode = PIO_UNISCRNMAP;
+ }
+#if ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
+ // assume textual Unicode console maps:
+ // 0x00 U+0000 # NULL (NUL)
+ // 0x01 U+0001 # START OF HEADING (SOH)
+ // 0x02 U+0002 # START OF TEXT (STX)
+ // 0x03 U+0003 # END OF TEXT (ETX)
+ else {
+ int i;
+ char *token[2];
+ parser_t *parser;
+
+ if (ENABLE_FEATURE_CLEAN_UP)
+ free(map);
+ map = xmalloc(E_TABSZ * sizeof(unsigned short));
+
+#define unicodes ((unsigned short *)map)
+ // fill vanilla map
+ for (i = 0; i < E_TABSZ; i++)
+ unicodes[i] = 0xf000 + i;
+
+ parser = config_open(mapfilename);
+ while (config_read(parser, token, 2, 2, "# \t", PARSE_NORMAL | PARSE_MIN_DIE)) {
+ // parse code/value pair
+ int a = ctoi(token[0]);
+ int b = ctoi(token[1]);
+ if (a < 0 || a >= E_TABSZ
+ || b < 0 || b > 65535
+ ) {
+ bb_error_msg_and_die("map format");
+ }
+ // patch map
+ unicodes[a] = b;
+ // unicode character is met?
+ if (b > 255)
+ mode = PIO_UNISCRNMAP;
+ }
+ if (ENABLE_FEATURE_CLEAN_UP)
+ config_close(parser);
+
+ if (mode != PIO_UNISCRNMAP) {
+#define asciis ((unsigned char *)map)
+ for (i = 0; i < E_TABSZ; i++)
+ asciis[i] = unicodes[i];
+#undef asciis
+ }
+#undef unicodes
}
+#endif // ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
+
+ // do set screen map
+ xioctl(fd, mode, map);
+
+ if (ENABLE_FEATURE_CLEAN_UP)
+ free(map);
}
return EXIT_SUCCESS;
projects / oweals / busybox.git / blobdiff