61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005,2006,2007 Free Software Foundation, Inc.
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*
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* GRUB 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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* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_HFS_HEADER
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#define GRUB_HFS_HEADER 1
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#include <grub/types.h>
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#define GRUB_HFS_MAGIC 0x4244
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/* A single extent. A file consists of one or more extents. */
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struct grub_hfs_extent
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{
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/* The first physical block. */
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grub_uint16_t first_block;
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grub_uint16_t count;
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};
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/* HFS stores extents in groups of 3. */
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typedef struct grub_hfs_extent grub_hfs_datarecord_t[3];
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/* The HFS superblock (The official name is `Master Directory
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Block'). */
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struct grub_hfs_sblock
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{
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grub_uint16_t magic;
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grub_uint8_t unused[18];
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grub_uint32_t blksz;
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grub_uint8_t unused2[4];
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grub_uint16_t first_block;
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grub_uint8_t unused4[6];
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/* A pascal style string that holds the volumename. */
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grub_uint8_t volname[28];
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grub_uint8_t unused5[60];
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grub_uint16_t embed_sig;
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struct grub_hfs_extent embed_extent;
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grub_uint8_t unused6[4];
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grub_hfs_datarecord_t extent_recs;
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grub_uint32_t catalog_size;
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grub_hfs_datarecord_t catalog_recs;
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} __attribute__ ((packed));
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#endif /* ! GRUB_HFS_HEADER */
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