diff options
Diffstat (limited to 'grub-core/fs/cpio_be.c')
-rw-r--r-- | grub-core/fs/cpio_be.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/grub-core/fs/cpio_be.c b/grub-core/fs/cpio_be.c new file mode 100644 index 0000000..8465488 --- /dev/null +++ b/grub-core/fs/cpio_be.c @@ -0,0 +1,61 @@ +/* cpio.c - cpio and tar filesystem. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007,2008,2009,2013 Free Software Foundation, Inc. + * + * This program 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. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/misc.h> + +#define ALIGN_CPIO(x) (ALIGN_UP ((x), 2)) +#define MAGIC "\x71\xc7" + +struct head +{ + grub_uint16_t magic[1]; + grub_uint16_t dev; + grub_uint16_t ino; + grub_uint16_t mode[1]; + grub_uint16_t uid; + grub_uint16_t gid; + grub_uint16_t nlink; + grub_uint16_t rdev; + grub_uint16_t mtime[2]; + grub_uint16_t namesize[1]; + grub_uint16_t filesize[2]; +} GRUB_PACKED; + +static inline unsigned long long +read_number (const grub_uint16_t *arr, grub_size_t size) +{ + long long ret = 0; + while (size--) + ret = (ret << 16) | grub_be_to_cpu16 (*arr++); + return ret; +} + +#define FSNAME "cpiofs_be" + +#include "cpio_common.c" + +GRUB_MOD_INIT (cpio_be) +{ + grub_fs_register (&grub_cpio_fs); +} + +GRUB_MOD_FINI (cpio_be) +{ + grub_fs_unregister (&grub_cpio_fs); +} |