/*
* 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 .
*/
#include
#include
#include
#include
#include
#define _GNU_SOURCE 1
#include
#include
#include
#include
#include
#include
#include "progname.h"
struct arguments
{
char *input;
char *output;
int verbosity;
};
static struct argp_option options[] = {
{"input", 'i', N_("FILE"), 0,
N_("set input filename. Default is STDIN"), 0},
{"output", 'o', N_("FILE"), 0,
N_("set output filename. Default is STDOUT"), 0},
{"verbose", 'v', 0, 0, N_("print verbose messages."), 0},
{ 0, 0, 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", '.'},
{NULL, '\0'}
};
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},
{NULL, '\0'}
};
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 grub_uint8_t linux_to_usb_map[128] = {
/* 0x00 */ 0 /* Unused */, GRUB_KEYBOARD_KEY_ESCAPE,
/* 0x02 */ GRUB_KEYBOARD_KEY_1, GRUB_KEYBOARD_KEY_2,
/* 0x04 */ GRUB_KEYBOARD_KEY_3, GRUB_KEYBOARD_KEY_4,
/* 0x06 */ GRUB_KEYBOARD_KEY_5, GRUB_KEYBOARD_KEY_6,
/* 0x08 */ GRUB_KEYBOARD_KEY_7, GRUB_KEYBOARD_KEY_8,
/* 0x0a */ GRUB_KEYBOARD_KEY_9, GRUB_KEYBOARD_KEY_0,
/* 0x0c */ GRUB_KEYBOARD_KEY_DASH, GRUB_KEYBOARD_KEY_EQUAL,
/* 0x0e */ GRUB_KEYBOARD_KEY_BACKSPACE, GRUB_KEYBOARD_KEY_TAB,
/* 0x10 */ GRUB_KEYBOARD_KEY_Q, GRUB_KEYBOARD_KEY_W,
/* 0x12 */ GRUB_KEYBOARD_KEY_E, GRUB_KEYBOARD_KEY_R,
/* 0x14 */ GRUB_KEYBOARD_KEY_T, GRUB_KEYBOARD_KEY_Y,
/* 0x16 */ GRUB_KEYBOARD_KEY_U, GRUB_KEYBOARD_KEY_I,
/* 0x18 */ GRUB_KEYBOARD_KEY_O, GRUB_KEYBOARD_KEY_P,
/* 0x1a */ GRUB_KEYBOARD_KEY_LBRACKET, GRUB_KEYBOARD_KEY_RBRACKET,
/* 0x1c */ GRUB_KEYBOARD_KEY_ENTER, GRUB_KEYBOARD_KEY_LEFT_CTRL,
/* 0x1e */ GRUB_KEYBOARD_KEY_A, GRUB_KEYBOARD_KEY_S,
/* 0x20 */ GRUB_KEYBOARD_KEY_D, GRUB_KEYBOARD_KEY_F,
/* 0x22 */ GRUB_KEYBOARD_KEY_G, GRUB_KEYBOARD_KEY_H,
/* 0x24 */ GRUB_KEYBOARD_KEY_J, GRUB_KEYBOARD_KEY_K,
/* 0x26 */ GRUB_KEYBOARD_KEY_L, GRUB_KEYBOARD_KEY_SEMICOLON,
/* 0x28 */ GRUB_KEYBOARD_KEY_DQUOTE, GRUB_KEYBOARD_KEY_RQUOTE,
/* 0x2a */ GRUB_KEYBOARD_KEY_LEFT_SHIFT, GRUB_KEYBOARD_KEY_BACKSLASH,
/* 0x2c */ GRUB_KEYBOARD_KEY_Z, GRUB_KEYBOARD_KEY_X,
/* 0x2e */ GRUB_KEYBOARD_KEY_C, GRUB_KEYBOARD_KEY_V,
/* 0x30 */ GRUB_KEYBOARD_KEY_B, GRUB_KEYBOARD_KEY_N,
/* 0x32 */ GRUB_KEYBOARD_KEY_M, GRUB_KEYBOARD_KEY_COMMA,
/* 0x34 */ GRUB_KEYBOARD_KEY_DOT, GRUB_KEYBOARD_KEY_SLASH,
/* 0x36 */ GRUB_KEYBOARD_KEY_RIGHT_SHIFT, GRUB_KEYBOARD_KEY_NUMMUL,
/* 0x38 */ GRUB_KEYBOARD_KEY_LEFT_ALT, GRUB_KEYBOARD_KEY_SPACE,
/* 0x3a */ GRUB_KEYBOARD_KEY_CAPS_LOCK, GRUB_KEYBOARD_KEY_F1,
/* 0x3c */ GRUB_KEYBOARD_KEY_F2, GRUB_KEYBOARD_KEY_F3,
/* 0x3e */ GRUB_KEYBOARD_KEY_F4, GRUB_KEYBOARD_KEY_F5,
/* 0x40 */ GRUB_KEYBOARD_KEY_F6, GRUB_KEYBOARD_KEY_F7,
/* 0x42 */ GRUB_KEYBOARD_KEY_F8, GRUB_KEYBOARD_KEY_F9,
/* 0x44 */ GRUB_KEYBOARD_KEY_F10, GRUB_KEYBOARD_KEY_NUM_LOCK,
/* 0x46 */ GRUB_KEYBOARD_KEY_SCROLL_LOCK, GRUB_KEYBOARD_KEY_NUM7,
/* 0x48 */ GRUB_KEYBOARD_KEY_NUM8, GRUB_KEYBOARD_KEY_NUM9,
/* 0x4a */ GRUB_KEYBOARD_KEY_NUMMINUS, GRUB_KEYBOARD_KEY_NUM4,
/* 0x4c */ GRUB_KEYBOARD_KEY_NUM5, GRUB_KEYBOARD_KEY_NUM6,
/* 0x4e */ GRUB_KEYBOARD_KEY_NUMPLUS, GRUB_KEYBOARD_KEY_NUM1,
/* 0x50 */ GRUB_KEYBOARD_KEY_NUM2, GRUB_KEYBOARD_KEY_NUM3,
/* 0x52 */ GRUB_KEYBOARD_KEY_NUMDOT, GRUB_KEYBOARD_KEY_NUMDOT,
/* 0x54 */ 0, 0,
/* 0x56 */ GRUB_KEYBOARD_KEY_102ND, GRUB_KEYBOARD_KEY_F11,
/* 0x58 */ GRUB_KEYBOARD_KEY_F12, 0,
/* 0x5a */ 0, 0,
/* 0x5c */ 0, 0,
/* 0x5e */ 0, 0,
/* 0x60 */ GRUB_KEYBOARD_KEY_NUMENTER, GRUB_KEYBOARD_KEY_RIGHT_CTRL,
/* 0x62 */ GRUB_KEYBOARD_KEY_NUMSLASH, 0,
/* 0x64 */ GRUB_KEYBOARD_KEY_RIGHT_ALT, 0,
/* 0x66 */ GRUB_KEYBOARD_KEY_HOME, GRUB_KEYBOARD_KEY_UP,
/* 0x68 */ GRUB_KEYBOARD_KEY_PPAGE, GRUB_KEYBOARD_KEY_LEFT,
/* 0x6a */ GRUB_KEYBOARD_KEY_RIGHT, GRUB_KEYBOARD_KEY_END,
/* 0x6c */ GRUB_KEYBOARD_KEY_DOWN, GRUB_KEYBOARD_KEY_NPAGE,
/* 0x6e */ GRUB_KEYBOARD_KEY_INSERT, GRUB_KEYBOARD_KEY_DELETE
};
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 keyboard scan identifier %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_linux;
unsigned keycode_usb;
char normal[64];
char shift[64];
char normalalt[64];
char shiftalt[64];
sscanf (line, "keycode %u = %60s %60s %60s %60s", &keycode_linux,
normal, shift, normalalt, shiftalt);
/* Not used. */
if (keycode_linux == 0x77 /* Pause */
/* Some obscure keys */
|| keycode_linux == 0x63 || keycode_linux == 0x7d
|| keycode_linux == 0x7e)
continue;
/* Not remappable. */
if (keycode_linux == 0x1d /* Left CTRL */
|| keycode_linux == 0x61 /* Right CTRL */
|| keycode_linux == 0x2a /* Left Shift. */
|| keycode_linux == 0x36 /* Right Shift. */
|| keycode_linux == 0x38 /* Left ALT. */
|| keycode_linux == 0x64 /* Right ALT. */
|| keycode_linux == 0x3a /* CapsLock. */
|| keycode_linux == 0x45 /* NumLock. */
|| keycode_linux == 0x46 /* ScrollLock. */)
continue;
keycode_usb = linux_to_usb_map[keycode_linux];
if (keycode_usb == 0
|| keycode_usb >= GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE)
{
fprintf (stderr, _("Unknown keyboard scan code 0x%02x\n"), keycode_linux);
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, "%s", _("ERROR: no valid keyboard layout found. Check the input.\n"));
exit (1);
}
add_special_keys (&layout);
write_file (out, &layout);
}
static error_t
argp_parser (int key, char *arg, struct argp_state *state)
{
/* Get the input argument from argp_parse, which we
know is a pointer to our arguments structure. */
struct arguments *arguments = state->input;
char *p;
switch (key)
{
case 'i':
arguments->input = xstrdup (arg);
break;
case 'o':
arguments->output = xstrdup (arg);
break;
case 'v':
arguments->verbosity++;
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp argp = {
options, argp_parser, N_("[OPTIONS]"),
N_("Generate GRUB keyboard layout from Linux console one."),
NULL, NULL, NULL
};
int
main (int argc, char *argv[])
{
FILE *in, *out;
struct arguments arguments;
set_program_name (argv[0]);
/* Check for options. */
memset (&arguments, 0, sizeof (struct arguments));
if (argp_parse (&argp, argc, argv, 0, 0, &arguments) != 0)
{
fprintf (stderr, "%s", _("Error in parsing command line arguments\n"));
exit(1);
}
if (arguments.input)
in = fopen (arguments.input, "r");
else
in = stdin;
if (!in)
grub_util_error (_("cannot open `%s': %s"), arguments.input ? : "stdin",
strerror (errno));
if (arguments.output)
out = fopen (arguments.output, "wb");
else
out = stdout;
if (!out)
{
if (in != stdin)
fclose (in);
grub_util_error (_("cannot open `%s': %s"), arguments.output ? : "stdout",
strerror (errno));
}
write_keymaps (in, out);
if (in != stdin)
fclose (in);
if (out != stdout)
fclose (out);
return 0;
}