reactos/freeldr/install/linux/finstext2.h
Brian Palmer 273b6dd69f Fixed the EXT2/3 boot sector code so that it only uses the boot drive in the boot sector if it exists (i.e. not 0xff)
Otherwise it uses the boot drive passed in the DL register.
Updated the EXT2/3 installer to reflect the changes in the boot sector code for EXT2/3.

svn path=/trunk/; revision=4540
2003-04-15 22:48:06 +00:00

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1.1 KiB
C

#ifndef __FINSTEXT2_H
#define __FINSTEXT2_H
#define PACKED __attribute__((packed))
typedef struct
{
unsigned char JmpBoot[3];
unsigned char BootDrive;
//unsigned char BootPartition;
//unsigned char SectorsPerTrack;
//unsigned short NumberOfHeads;
//unsigned long Reserved1;
//unsigned long Reserved2;
unsigned long Ext2VolumeStartSector; // Start sector of the ext2 volume
unsigned long Ext2BlockSize; // Block size in sectors
unsigned long Ext2BlockSizeInBytes; // Block size in bytes
unsigned long Ext2PointersPerBlock; // Number of block pointers that can be contained in one block
unsigned long Ext2GroupDescPerBlock; // Number of group descriptors per block
unsigned long Ext2FirstDataBlock; // First data block (1 for 1024-byte blocks, 0 for bigger sizes)
unsigned long Ext2InodesPerGroup; // Number of inodes per group
unsigned long Ext2InodesPerBlock; // Number of inodes per block
unsigned char BootCodeAndData[459];
unsigned char BootPartition;
unsigned short BootSignature;
} PACKED EXT2_BOOTCODE, *PEXT2_BOOTCODE;
#endif // defined __FINSTEXT2_H