summaryrefslogtreecommitdiffstats
path: root/include/grub/fat.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/grub/fat.h')
-rw-r--r--include/grub/fat.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/include/grub/fat.h b/include/grub/fat.h
new file mode 100644
index 0000000..8d7e4a1
--- /dev/null
+++ b/include/grub/fat.h
@@ -0,0 +1,77 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2000,2001,2002,2003,2004,2005,2007,2008,2009 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/>.
+ */
+
+#ifndef GRUB_FAT_H
+#define GRUB_FAT_H 1
+
+#include <grub/types.h>
+
+struct grub_fat_bpb
+{
+ grub_uint8_t jmp_boot[3];
+ grub_uint8_t oem_name[8];
+ grub_uint16_t bytes_per_sector;
+ grub_uint8_t sectors_per_cluster;
+ grub_uint16_t num_reserved_sectors;
+ grub_uint8_t num_fats; /* 0x10 */
+ grub_uint16_t num_root_entries;
+ grub_uint16_t num_total_sectors_16;
+ grub_uint8_t media; /* 0x15 */
+ grub_uint16_t sectors_per_fat_16;
+ grub_uint16_t sectors_per_track; /* 0x18 */
+ grub_uint16_t num_heads; /* 0x1A */
+ grub_uint32_t num_hidden_sectors; /* 0x1C */
+ grub_uint32_t num_total_sectors_32; /* 0x20 */
+ union
+ {
+ struct
+ {
+ grub_uint8_t num_ph_drive;
+ grub_uint8_t reserved;
+ grub_uint8_t boot_sig;
+ grub_uint32_t num_serial;
+ grub_uint8_t label[11];
+ grub_uint8_t fstype[8];
+ } GRUB_PACKED fat12_or_fat16;
+ struct
+ {
+ grub_uint32_t sectors_per_fat_32;
+ grub_uint16_t extended_flags;
+ grub_uint16_t fs_version;
+ grub_uint32_t root_cluster;
+ grub_uint16_t fs_info;
+ grub_uint16_t backup_boot_sector;
+ grub_uint8_t reserved[12];
+ grub_uint8_t num_ph_drive;
+ grub_uint8_t reserved1;
+ grub_uint8_t boot_sig;
+ grub_uint32_t num_serial;
+ grub_uint8_t label[11];
+ grub_uint8_t fstype[8];
+ } GRUB_PACKED fat32;
+ } GRUB_PACKED version_specific;
+} GRUB_PACKED;
+
+#ifdef GRUB_UTIL
+#include <grub/disk.h>
+
+grub_disk_addr_t
+grub_fat_get_cluster_sector (grub_disk_t disk, grub_uint64_t *sec_per_lcn);
+#endif
+
+#endif