grub/kern/efi/init.c
2010-01-20 09:12:47 +01:00

85 lines
2 KiB
C

/* init.c - generic EFI initialization and finalization */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007 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/efi/efi.h>
#include <grub/efi/console.h>
#include <grub/efi/disk.h>
#include <grub/term.h>
#include <grub/misc.h>
#include <grub/env.h>
#include <grub/mm.h>
#include <grub/machine/kernel.h>
void
grub_efi_init (void)
{
/* First of all, initialize the console so that GRUB can display
messages. */
grub_console_init ();
/* Initialize the memory management system. */
grub_efi_mm_init ();
grub_efidisk_init ();
}
void
grub_efi_set_prefix (void)
{
grub_efi_loaded_image_t *image;
image = grub_efi_get_loaded_image (grub_efi_image_handle);
if (image)
{
char *device;
char *file;
device = grub_efidisk_get_device_name (image->device_handle);
file = grub_efi_get_filename (image->file_path);
if (device && file)
{
char *p;
char *prefix;
/* Get the directory. */
p = grub_strrchr (file, '/');
if (p)
*p = '\0';
prefix = grub_xasprintf ("(%s)%s", device, file);
if (prefix)
{
grub_env_set ("prefix", prefix);
grub_free (prefix);
}
}
grub_free (device);
grub_free (file);
}
}
void
grub_efi_fini (void)
{
grub_efidisk_fini ();
grub_console_fini ();
}