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| Source at commit 1158 created 13 years 16 days ago. By azimutz, Match nvidia.c with the one on my branch (Chazi) adding dev id's from issue 99 and Asus G74SX (0DF4, 1251). | |
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| 1 | /*␊ |
| 2 | * Copyright (c) 2011 Evan Lojewski. All rights reserved.␊ |
| 3 | *␊ |
| 4 | */␊ |
| 5 | #include <GUIDPartition.hpp>␊ |
| 6 | ␊ |
| 7 | ␊ |
| 8 | GUIDPartition::GUIDPartition(Disk* disk, UInt8 partitionNumber) : Partition(disk, partitionNumber)␊ |
| 9 | {␊ |
| 10 | mDisk = disk;␊ |
| 11 | mNumSectors = 0;␊ |
| 12 | mBeginSector = 0;␊ |
| 13 | mPartitionNumber = partitionNumber;␊ |
| 14 | mNumPartitions = 0;␊ |
| 15 | ␊ |
| 16 | if(mDisk)␊ |
| 17 | {␊ |
| 18 | // read in lba1, this contains the partition map if it's GPT␊ |
| 19 | mDisk->Read(1, 1, mLBABUffer);␊ |
| 20 | mGPTHeader = (gpt_hdr*)mLBABUffer;␊ |
| 21 | }␊ |
| 22 | else␊ |
| 23 | {␊ |
| 24 | mGPTHeader = NULL;␊ |
| 25 | }␊ |
| 26 | ␊ |
| 27 | if(isGPTDisk())␊ |
| 28 | {␊ |
| 29 | mNumPartitions = mGPTHeader->hdr_entries;␊ |
| 30 | }␊ |
| 31 | ␊ |
| 32 | mGPTHeader = NULL;␊ |
| 33 | ␊ |
| 34 | if(mPartitionNumber >= 0 && mPartitionNumber < mNumPartitions)␊ |
| 35 | {␊ |
| 36 | // read in partition entry.␊ |
| 37 | mDisk->Read(2 + mPartitionNumber, 1, mLBABUffer);␊ |
| 38 | ␊ |
| 39 | mGPTEntry = (gpt_ent*) mLBABUffer;␊ |
| 40 | ␊ |
| 41 | mNumSectors = mGPTEntry->ent_lba_end - mGPTEntry->ent_lba_start;␊ |
| 42 | mBeginSector = mGPTEntry->ent_lba_start;␊ |
| 43 | //mUUID = mGPTEntry->ent_uuid;␊ |
| 44 | }␊ |
| 45 | }␊ |
| 46 | ␊ |
| 47 | GUIDPartition::~GUIDPartition()␊ |
| 48 | {␊ |
| 49 | ␊ |
| 50 | }␊ |
| 51 | ␊ |
| 52 | ␊ |
| 53 | bool GUIDPartition::isGPTDisk()␊ |
| 54 | {␊ |
| 55 | static bool status = false;␊ |
| 56 | ␊ |
| 57 | if(status) return status;␊ |
| 58 | ␊ |
| 59 | if(!mGPTHeader) return false;␊ |
| 60 | ␊ |
| 61 | if(mGPTHeader->hdr_sig[0] == 'E' &&␊ |
| 62 | mGPTHeader->hdr_sig[1] == 'F' &&␊ |
| 63 | mGPTHeader->hdr_sig[2] == 'I' &&␊ |
| 64 | mGPTHeader->hdr_sig[3] == ' ' &&␊ |
| 65 | mGPTHeader->hdr_sig[4] == 'P' &&␊ |
| 66 | mGPTHeader->hdr_sig[5] == 'A' &&␊ |
| 67 | mGPTHeader->hdr_sig[6] == 'R' &&␊ |
| 68 | mGPTHeader->hdr_sig[7] == 'T') return true;␊ |
| 69 | ␊ |
| 70 | return false;␊ |
| 71 | }␊ |
| 72 | |
