diff options
Diffstat (limited to 'qemu/roms/openbios/fs/grubfs/fat.h')
| -rw-r--r-- | qemu/roms/openbios/fs/grubfs/fat.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/qemu/roms/openbios/fs/grubfs/fat.h b/qemu/roms/openbios/fs/grubfs/fat.h deleted file mode 100644 index 43d38aefc..000000000 --- a/qemu/roms/openbios/fs/grubfs/fat.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2001 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 2 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - - -/* - * Defines for the FAT BIOS Parameter Block (embedded in the first block - * of the partition. - */ - -typedef __signed__ char __s8; -typedef unsigned char __u8; -typedef __signed__ short __s16; -typedef unsigned short __u16; -typedef __signed__ int __s32; -typedef unsigned int __u32; - -/* Note that some shorts are not aligned, and must therefore - * be declared as array of two bytes. - */ -struct fat_bpb { - __s8 ignored[3]; /* Boot strap short or near jump */ - __s8 system_id[8]; /* Name - can be used to special case - partition manager volumes */ - __u16 bytes_per_sect; /* bytes per logical sector */ - __u8 sects_per_clust;/* sectors/cluster */ - __u16 reserved_sects; /* reserved sectors */ - __u8 num_fats; /* number of FATs */ - __u16 dir_entries; /* root directory entries */ - __u16 short_sectors; /* number of sectors */ - __u8 media; /* media code (unused) */ - __u16 fat_length; /* sectors/FAT */ - __u16 secs_track; /* sectors per track */ - __u16 heads; /* number of heads */ - __u32 hidden; /* hidden sectors (unused) */ - __u32 long_sectors; /* number of sectors (if short_sectors == 0) */ - - /* The following fields are only used by FAT32 */ - __u32 fat32_length; /* sectors/FAT */ - __u16 flags; /* bit 8: fat mirroring, low 4: active fat */ - __u16 version; /* major, minor filesystem version */ - __u32 root_cluster; /* first cluster in root directory */ - __u16 info_sector; /* filesystem info sector */ - __u16 backup_boot; /* backup boot sector */ - __u16 reserved2[6]; /* Unused */ -} __attribute__ ((packed)); - -/* - * Defines how to differentiate a 12-bit and 16-bit FAT. - */ - -#define FAT_MAX_12BIT_CLUST 4087 /* 4085 + 2 */ - -/* - * Defines for the file "attribute" byte - */ - -#define FAT_ATTRIB_OK_MASK 0x37 -#define FAT_ATTRIB_NOT_OK_MASK 0xC8 -#define FAT_ATTRIB_DIR 0x10 -#define FAT_ATTRIB_LONGNAME 0x0F - -/* - * Defines for FAT directory entries - */ - -#define FAT_DIRENTRY_LENGTH 32 - -#define FAT_DIRENTRY_ATTRIB(entry) \ - (*((unsigned char *) (entry+11))) -#define FAT_DIRENTRY_VALID(entry) \ - ( ((*((unsigned char *) entry)) != 0) \ - && ((*((unsigned char *) entry)) != 0xE5) \ - && !(FAT_DIRENTRY_ATTRIB(entry) & FAT_ATTRIB_NOT_OK_MASK) ) -#define FAT_DIRENTRY_FIRST_CLUSTER(entry) \ - ((*((unsigned short *) (entry+26)))+(*((unsigned short *) (entry+20)) << 16)) -#define FAT_DIRENTRY_FILELENGTH(entry) \ - (*((unsigned long *) (entry+28))) - -#define FAT_LONGDIR_ID(entry) \ - (*((unsigned char *) (entry))) -#define FAT_LONGDIR_ALIASCHECKSUM(entry) \ - (*((unsigned char *) (entry+13))) |