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https://github.com/CloverHackyColor/CloverBootloader.git
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62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/* cpio.c - cpio and tar filesystem. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2007,2008,2009,2013 Free Software Foundation, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/misc.h>
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/* cpio support */
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#define ALIGN_CPIO(x) (ALIGN_UP ((x), 2))
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#define MAGIC "\xc7\x71"
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struct head
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{
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grub_uint16_t magic[1];
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grub_uint16_t dev;
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grub_uint16_t ino;
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grub_uint16_t mode[1];
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grub_uint16_t uid;
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grub_uint16_t gid;
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grub_uint16_t nlink;
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grub_uint16_t rdev;
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grub_uint16_t mtime[2];
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grub_uint16_t namesize[1];
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grub_uint16_t filesize[2];
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} GRUB_PACKED;
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static inline unsigned long long
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read_number (const grub_uint16_t *arr, grub_size_t size)
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{
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long long ret = 0;
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while (size--)
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ret = (ret << 16) | grub_le_to_cpu16 (*arr++);
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return ret;
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}
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#define FSNAME "cpiofs"
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#include "cpio_common.c"
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GRUB_MOD_INIT (cpio)
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{
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grub_fs_register (&grub_cpio_fs);
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}
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GRUB_MOD_FINI (cpio)
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{
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grub_fs_unregister (&grub_cpio_fs);
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}
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