From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- include/grub/fat.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 include/grub/fat.h (limited to 'include/grub/fat.h') 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 . + */ + +#ifndef GRUB_FAT_H +#define GRUB_FAT_H 1 + +#include + +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_addr_t +grub_fat_get_cluster_sector (grub_disk_t disk, grub_uint64_t *sec_per_lcn); +#endif + +#endif -- cgit v1.2.3