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| Source at commit 1091 created 12 years 9 months ago. By meklort, Initial FDisk Partiton scheme implimentation. | |
|---|---|
| 1 | /*␊ |
| 2 | * Copyright (c) 2011 Evan Lojewski. All rights reserved.␊ |
| 3 | *␊ |
| 4 | */␊ |
| 5 | #include <FDiskPartition.hpp>␊ |
| 6 | ␊ |
| 7 | ␊ |
| 8 | FDiskPartition::FDiskPartition(Disk* disk, UInt8 partitionNumber) : Partition(disk, partitionNumber)␊ |
| 9 | {␊ |
| 10 | mDisk = disk;␊ |
| 11 | mNumSectors = 0;␊ |
| 12 | mBeginSector = 0;␊ |
| 13 | mPartitionNumber = partitionNumber;␊ |
| 14 | mNumPartitions = 0;␊ |
| 15 | mFdiskEntry = NULL;␊ |
| 16 | ␊ |
| 17 | if(mDisk)␊ |
| 18 | {␊ |
| 19 | // read in lba0, this contains the partition map if it's FDisk / MBR␊ |
| 20 | mDisk->Read(0, 1, (UInt8*)&mLBA0);␊ |
| 21 | ␊ |
| 22 | if(isMBRDisk())␊ |
| 23 | {␊ |
| 24 | // Determine number of partition. TODO: Extended partitions␊ |
| 25 | UInt8 i = 0;␊ |
| 26 | for(i = 0; i < DISK_NPART; i++)␊ |
| 27 | {␊ |
| 28 | if(mLBA0.parts[i].systid != 0)␊ |
| 29 | {␊ |
| 30 | if(mPartitionNumber == mNumPartitions) mFdiskEntry = &mLBA0.parts[i];␊ |
| 31 | mNumPartitions++;␊ |
| 32 | }␊ |
| 33 | ␊ |
| 34 | }␊ |
| 35 | ␊ |
| 36 | if(mFdiskEntry)␊ |
| 37 | {␊ |
| 38 | mNumSectors = mFdiskEntry->numsect;␊ |
| 39 | mBeginSector = mFdiskEntry->relsect;␊ |
| 40 | }␊ |
| 41 | }␊ |
| 42 | } ␊ |
| 43 | }␊ |
| 44 | ␊ |
| 45 | FDiskPartition::~FDiskPartition()␊ |
| 46 | {␊ |
| 47 | ␊ |
| 48 | }␊ |
| 49 | ␊ |
| 50 | bool FDiskPartition::isMBRDisk()␊ |
| 51 | {␊ |
| 52 | return mLBA0.signature == DISK_SIGNATURE;␊ |
| 53 | }␊ |
| 54 | |
