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Root/branches/rewrite/i386/modules/Disk/Partition.cpp

Source at commit 1090 created 9 years 4 months ago.
By meklort, Initial GPT detection
1/*
2 * Copyright (c) 2011 Evan Lojewski. All rights reserved.
3 *
4 */
5#include <Partition.hpp>
6
7Partition::Partition(Disk* disk, UInt8 partitionNumber)
8{
9 mDisk = disk;
10 mNumSectors = 0;
11 mBeginSector = 0;
12 mPartitionNumber = partitionNumber;
13 mNumPartitions = 0;
14}
15
16Partition::~Partition()
17{
18
19}
20
21IOReturn Partition::Read(UInt64 sector, UInt64 size, UInt8* buffer)
22{
23 if(probe() && mDisk->probe()) return mDisk->Read(sector + mBeginSector, size, buffer);
24 else return kIOReturnUnsupported;
25}
26
27IOReturn Partition::Write(UInt64 sector, UInt64 size, UInt8* buffer)
28{
29 if(probe() && mDisk->probe()) return mDisk->Write(sector + mBeginSector, size, buffer);
30 else return kIOReturnUnsupported;
31}
32
33bool Partition::probe()
34{
35 return (mDisk != NULL) && (mPartitionNumber != INVALID_PARTITION) && mNumSectors;
36}
37
38/*
39Partition::getUUID()
40{
41 return mUUID;
42}
43*/

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Revision: 1090