3 #define PACKED __attribute__((packed))
7 unsigned char JmpBoot
[3];
8 unsigned char BootDrive
;
9 //unsigned char BootPartition;
10 //unsigned char SectorsPerTrack;
11 //unsigned short NumberOfHeads;
12 //unsigned long Reserved1;
13 //unsigned long Reserved2;
15 unsigned long Ext2VolumeStartSector
; // Start sector of the ext2 volume
16 unsigned long Ext2BlockSize
; // Block size in sectors
17 unsigned long Ext2BlockSizeInBytes
; // Block size in bytes
18 unsigned long Ext2PointersPerBlock
; // Number of block pointers that can be contained in one block
19 unsigned long Ext2GroupDescPerBlock
; // Number of group descriptors per block
20 unsigned long Ext2FirstDataBlock
; // First data block (1 for 1024-byte blocks, 0 for bigger sizes)
21 unsigned long Ext2InodesPerGroup
; // Number of inodes per group
22 unsigned long Ext2InodesPerBlock
; // Number of inodes per block
24 unsigned char BootCodeAndData
[459];
26 unsigned char BootPartition
;
27 unsigned short BootSignature
;
29 } PACKED EXT2_BOOTCODE
, *PEXT2_BOOTCODE
;