grub/util/grub-mklayout.c
2010-08-22 16:06:09 +02:00

450 lines
12 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/util/misc.h>
#include <grub/i18n.h>
#include <grub/term.h>
#include <grub/keyboard_layouts.h>
#include <grub/atkeymap.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <errno.h>
#include "progname.h"
#define CKBCOMP "ckbcomp"
static struct option options[] = {
{"output", required_argument, 0, 'o'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}
};
struct console_grub_equivalence
{
char *layout;
grub_uint32_t grub;
};
static struct console_grub_equivalence console_grub_equivalences_shift[] = {
{"KP_0", '0'},
{"KP_1", '1'},
{"KP_2", '2'},
{"KP_3", '3'},
{"KP_4", '4'},
{"KP_5", '5'},
{"KP_6", '6'},
{"KP_7", '7'},
{"KP_8", '8'},
{"KP_9", '9'},
{"KP_Period", '.'},
};
static struct console_grub_equivalence console_grub_equivalences_unshift[] = {
{"KP_0", GRUB_TERM_KEY_INSERT},
{"KP_1", GRUB_TERM_KEY_END},
{"KP_2", GRUB_TERM_KEY_DOWN},
{"KP_3", GRUB_TERM_KEY_NPAGE},
{"KP_4", GRUB_TERM_KEY_LEFT},
{"KP_5", GRUB_TERM_KEY_CENTER},
{"KP_6", GRUB_TERM_KEY_RIGHT},
{"KP_7", GRUB_TERM_KEY_HOME},
{"KP_8", GRUB_TERM_KEY_UP},
{"KP_9", GRUB_TERM_KEY_PPAGE},
{"KP_Period", GRUB_TERM_KEY_DC},
};
static struct console_grub_equivalence console_grub_equivalences_common[] = {
{"Escape", GRUB_TERM_ESC},
{"Tab", GRUB_TERM_TAB},
{"Delete", GRUB_TERM_BACKSPACE},
{"KP_Enter", '\n'},
{"Return", '\n'},
{"KP_Multiply", '*'},
{"KP_Subtract", '-'},
{"KP_Add", '+'},
{"KP_Divide", '/'},
{"F1", GRUB_TERM_KEY_F1},
{"F2", GRUB_TERM_KEY_F2},
{"F3", GRUB_TERM_KEY_F3},
{"F4", GRUB_TERM_KEY_F4},
{"F5", GRUB_TERM_KEY_F5},
{"F6", GRUB_TERM_KEY_F6},
{"F7", GRUB_TERM_KEY_F7},
{"F8", GRUB_TERM_KEY_F8},
{"F9", GRUB_TERM_KEY_F9},
{"F10", GRUB_TERM_KEY_F10},
{"F11", GRUB_TERM_KEY_F11},
{"F12", GRUB_TERM_KEY_F12},
{"F13", GRUB_TERM_KEY_F1 | GRUB_TERM_SHIFT},
{"F14", GRUB_TERM_KEY_F2 | GRUB_TERM_SHIFT},
{"F15", GRUB_TERM_KEY_F3 | GRUB_TERM_SHIFT},
{"F16", GRUB_TERM_KEY_F4 | GRUB_TERM_SHIFT},
{"F17", GRUB_TERM_KEY_F5 | GRUB_TERM_SHIFT},
{"F18", GRUB_TERM_KEY_F6 | GRUB_TERM_SHIFT},
{"F19", GRUB_TERM_KEY_F7 | GRUB_TERM_SHIFT},
{"F20", GRUB_TERM_KEY_F8 | GRUB_TERM_SHIFT},
{"F21", GRUB_TERM_KEY_F9 | GRUB_TERM_SHIFT},
{"F22", GRUB_TERM_KEY_F10 | GRUB_TERM_SHIFT},
{"F23", GRUB_TERM_KEY_F11 | GRUB_TERM_SHIFT},
{"F24", GRUB_TERM_KEY_F12 | GRUB_TERM_SHIFT},
{"Console_13", GRUB_TERM_KEY_F1 | GRUB_TERM_ALT},
{"Console_14", GRUB_TERM_KEY_F2 | GRUB_TERM_ALT},
{"Console_15", GRUB_TERM_KEY_F3 | GRUB_TERM_ALT},
{"Console_16", GRUB_TERM_KEY_F4 | GRUB_TERM_ALT},
{"Console_17", GRUB_TERM_KEY_F5 | GRUB_TERM_ALT},
{"Console_18", GRUB_TERM_KEY_F6 | GRUB_TERM_ALT},
{"Console_19", GRUB_TERM_KEY_F7 | GRUB_TERM_ALT},
{"Console_20", GRUB_TERM_KEY_F8 | GRUB_TERM_ALT},
{"Console_21", GRUB_TERM_KEY_F9 | GRUB_TERM_ALT},
{"Console_22", GRUB_TERM_KEY_F10 | GRUB_TERM_ALT},
{"Console_23", GRUB_TERM_KEY_F11 | GRUB_TERM_ALT},
{"Console_24", GRUB_TERM_KEY_F12 | GRUB_TERM_ALT},
{"Console_25", GRUB_TERM_KEY_F1 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_26", GRUB_TERM_KEY_F2 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_27", GRUB_TERM_KEY_F3 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_28", GRUB_TERM_KEY_F4 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_29", GRUB_TERM_KEY_F5 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_30", GRUB_TERM_KEY_F6 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_31", GRUB_TERM_KEY_F7 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_32", GRUB_TERM_KEY_F8 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_33", GRUB_TERM_KEY_F9 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_34", GRUB_TERM_KEY_F10 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_35", GRUB_TERM_KEY_F11 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_36", GRUB_TERM_KEY_F12 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Insert", GRUB_TERM_KEY_INSERT},
{"Down", GRUB_TERM_KEY_DOWN},
{"Up", GRUB_TERM_KEY_UP},
{"Home", GRUB_TERM_KEY_HOME},
{"End", GRUB_TERM_KEY_END},
{"Right", GRUB_TERM_KEY_RIGHT},
{"Left", GRUB_TERM_KEY_LEFT},
{"Next", GRUB_TERM_KEY_NPAGE},
{"Prior", GRUB_TERM_KEY_PPAGE},
{"Remove", GRUB_TERM_KEY_DC},
{"VoidSymbol", 0},
/* "Undead" keys since no dead key support in GRUB. */
{"dead_acute", '\''},
{"dead_circumflex", '^'},
{"dead_grave", '`'},
{"dead_tilde", '~'},
{"dead_diaeresis", '"'},
/* Following ones don't provide any useful symbols for shell. */
{"dead_cedilla", 0},
{"dead_ogonek", 0},
{"dead_caron", 0},
{"dead_breve", 0},
{"dead_doubleacute", 0},
/* Unused in GRUB. */
{"Pause", 0},
{"Scroll_Forward", 0},
{"Scroll_Backward", 0},
{"Hex_0", 0},
{"Hex_1", 0},
{"Hex_2", 0},
{"Hex_3", 0},
{"Hex_4", 0},
{"Hex_5", 0},
{"Hex_6", 0},
{"Hex_7", 0},
{"Hex_8", 0},
{"Hex_9", 0},
{"Hex_A", 0},
{"Hex_B", 0},
{"Hex_C", 0},
{"Hex_D", 0},
{"Hex_E", 0},
{"Hex_F", 0},
{"Scroll_Lock", 0},
{"Show_Memory", 0},
{"Show_Registers", 0},
{"Control_backslash", 0},
{"Compose", 0},
{NULL, '\0'}
};
static void
usage (int status)
{
if (status)
fprintf (stderr, "Try `%s --help' for more information.\n", program_name);
else
printf ("\
Usage: %s [OPTIONS] LAYOUT\n\
-o, --output set output base name file. Default is LAYOUT.gkb\n\
-h, --help display this message and exit.\n\
-V, --version print version information and exit.\n\
-v, --verbose print verbose messages.\n\
\n\
Report bugs to <%s>.\n", program_name, PACKAGE_BUGREPORT);
exit (status);
}
static void
add_special_keys (struct grub_keyboard_layout *layout)
{
(void) layout;
}
static unsigned
lookup (char *code, int shift)
{
int i;
struct console_grub_equivalence *pr;
if (shift)
pr = console_grub_equivalences_shift;
else
pr = console_grub_equivalences_unshift;
for (i = 0; pr[i].layout != NULL; i++)
if (strcmp (code, pr[i].layout) == 0)
return pr[i].grub;
for (i = 0; console_grub_equivalences_common[i].layout != NULL; i++)
if (strcmp (code, console_grub_equivalences_common[i].layout) == 0)
return console_grub_equivalences_common[i].grub;
fprintf (stderr, "Unknown key %s\n", code);
return '\0';
}
static unsigned int
get_grub_code (char *layout_code, int shift)
{
unsigned int code;
if (strncmp (layout_code, "U+", sizeof ("U+") - 1) == 0)
sscanf (layout_code, "U+%x", &code);
else if (strncmp (layout_code, "+U+", sizeof ("+U+") - 1) == 0)
sscanf (layout_code, "+U+%x", &code);
else
code = lookup (layout_code, shift);
return code;
}
static void
write_file (FILE *out, struct grub_keyboard_layout *layout)
{
grub_uint32_t version;
unsigned i;
version = grub_cpu_to_le32 (GRUB_KEYBOARD_LAYOUTS_VERSION);
for (i = 0; i < ARRAY_SIZE (layout->keyboard_map); i++)
layout->keyboard_map[i] = grub_cpu_to_le32(layout->keyboard_map[i]);
for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_shift); i++)
layout->keyboard_map_shift[i]
= grub_cpu_to_le32(layout->keyboard_map_shift[i]);
for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_l3); i++)
layout->keyboard_map_l3[i]
= grub_cpu_to_le32(layout->keyboard_map_l3[i]);
for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_shift_l3); i++)
layout->keyboard_map_shift_l3[i]
= grub_cpu_to_le32(layout->keyboard_map_shift_l3[i]);
fwrite (GRUB_KEYBOARD_LAYOUTS_FILEMAGIC, 1,
GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE, out);
fwrite (&version, sizeof (version), 1, out);
fwrite (layout, 1, sizeof (*layout), out);
}
static void
write_keymaps (FILE *in, FILE *out)
{
struct grub_keyboard_layout layout;
char line[2048];
int ok;
memset (&layout, 0, sizeof (layout));
/* Process the ckbcomp output and prepare the layouts. */
ok = 0;
while (fgets (line, sizeof (line), in))
{
if (strncmp (line, "keycode", sizeof ("keycode") - 1) == 0)
{
unsigned keycode_at, orig;
unsigned keycode_usb;
char normal[64];
char shift[64];
char normalalt[64];
char shiftalt[64];
static grub_uint8_t e0_remap[] = {
0x9c /* Num \n */, 0x9d /* Right CTRL */, 0xb5 /* Num / */,
0, 0xb8 /* Right ALT */, 0,
0xc7 /* Home */, 0xc8 /* Up */, 0xc9 /* NPage*/, 0xcb /* Left */,
0xcd /* Right */, 0xcf /* End */, 0xd0 /* Down */, 0xd1 /* PPage */,
0xd2 /* Insert */, 0xd3 /* Delete */
};
sscanf (line, "keycode %u = %60s %60s %60s %60s", &keycode_at,
normal, shift, normalalt, shiftalt);
orig = keycode_at;
/* Not used. */
if (keycode_at == 0x77 /* Pause */
/* Some obscure keys */
|| keycode_at == 0x63 || keycode_at == 0x7d || keycode_at == 0x7e)
continue;
if (keycode_at >= 96 && keycode_at < 96 + ARRAY_SIZE (e0_remap))
keycode_at = e0_remap[keycode_at - 96];
/* Not remappable. */
if (keycode_at == 0x1d /* Left CTRL */
|| keycode_at == 0x9d /* Right CTRL */
|| keycode_at == 0x2a /* Left Shift. */
|| keycode_at == 0x36 /* Right Shift. */
|| keycode_at == 0x38 /* Left ALT. */
|| keycode_at == 0xb8 /* Right ALT. */
|| keycode_at == 0x3a /* CapsLock. */
|| keycode_at == 0x45 /* NumLock. */
|| keycode_at == 0x46 /* ScrollLock. */)
continue;
keycode_usb = grub_at_map_to_usb (keycode_at);
if (keycode_usb == 0
|| keycode_usb >= GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE)
{
fprintf (stderr, "Unknown keycode 0x%02x\n", orig);
continue;
}
if (keycode_usb < GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE)
{
layout.keyboard_map[keycode_usb] = get_grub_code (normal, 0);
layout.keyboard_map_shift[keycode_usb] = get_grub_code (shift, 1);
layout.keyboard_map_l3[keycode_usb]
= get_grub_code (normalalt, 0);
layout.keyboard_map_shift_l3[keycode_usb]
= get_grub_code (shiftalt, 1);
ok = 1;
}
}
}
if (ok == 0)
{
fprintf (stderr, "ERROR: no keycodes found. Check output of %s.\n",
CKBCOMP);
exit (1);
}
add_special_keys (&layout);
write_file (out, &layout);
}
int
main (int argc, char *argv[])
{
int verbosity;
char *infile_name = NULL;
char *outfile_name = NULL;
FILE *in, *out;
set_program_name (argv[0]);
verbosity = 0;
/* Check for options. */
while (1)
{
int c = getopt_long (argc, argv, "o:i:hVv", options, 0);
if (c == -1)
break;
else
switch (c)
{
case 'h':
usage (0);
break;
case 'i':
infile_name = optarg;
break;
case 'o':
outfile_name = optarg;
break;
case 'V':
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME,
PACKAGE_VERSION);
return 0;
case 'v':
verbosity++;
break;
default:
usage (1);
break;
}
}
if (infile_name)
in = fopen (infile_name, "r");
else
in = stdin;
if (!in)
grub_util_error ("Couldn't open input file: %s\n", strerror (errno));
if (outfile_name)
out = fopen (outfile_name, "wb");
else
out = stdout;
if (!out)
{
if (in != stdin)
fclose (in);
grub_util_error ("Couldn't open output file: %s\n", strerror (errno));
}
write_keymaps (in, out);
if (in != stdin)
fclose (in);
if (out != stdout)
fclose (out);
return 0;
}