mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-23 22:29:39 -06:00
Reformat all the things. Have fun with merge conflicts.
This commit is contained in:
Pierre Bourdon
@ -20,10 +20,8 @@
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namespace DiscIO
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{
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namespace DiscScrubber
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{
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#define CLUSTER_SIZE 0x8000
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static u8* m_FreeTable = nullptr;
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@ -38,40 +36,39 @@ static std::unique_ptr<IVolume> s_disc;
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struct SPartitionHeader
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{
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u8* Ticket[0x2a4];
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u32 TMDSize;
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u64 TMDOffset;
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u32 CertChainSize;
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u64 CertChainOffset;
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// H3Size is always 0x18000
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u64 H3Offset;
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u64 DataOffset;
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u64 DataSize;
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// TMD would be here
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u64 DOLOffset;
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u64 DOLSize;
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u64 FSTOffset;
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u64 FSTSize;
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u32 ApploaderSize;
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u32 ApploaderTrailerSize;
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u8* Ticket[0x2a4];
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u32 TMDSize;
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u64 TMDOffset;
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u32 CertChainSize;
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u64 CertChainOffset;
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// H3Size is always 0x18000
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u64 H3Offset;
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u64 DataOffset;
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u64 DataSize;
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// TMD would be here
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u64 DOLOffset;
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u64 DOLSize;
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u64 FSTOffset;
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u64 FSTSize;
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u32 ApploaderSize;
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u32 ApploaderTrailerSize;
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};
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struct SPartition
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{
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u32 GroupNumber;
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u32 Number;
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u64 Offset;
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u32 Type;
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SPartitionHeader Header;
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u32 GroupNumber;
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u32 Number;
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u64 Offset;
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u32 Type;
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SPartitionHeader Header;
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};
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struct SPartitionGroup
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{
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u32 numPartitions;
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u64 PartitionsOffset;
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std::vector<SPartition> PartitionsVec;
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u32 numPartitions;
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u64 PartitionsOffset;
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std::vector<SPartition> PartitionsVec;
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};
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static SPartitionGroup PartitionGroup[4];
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void MarkAsUsed(u64 _Offset, u64 _Size);
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void MarkAsUsedE(u64 _PartitionDataOffset, u64 _Offset, u64 _Size);
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bool ReadFromVolume(u64 _Offset, u32& _Buffer, bool _Decrypt);
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@ -79,257 +76,255 @@ bool ReadFromVolume(u64 _Offset, u64& _Buffer, bool _Decrypt);
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bool ParseDisc();
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bool ParsePartitionData(SPartition& _rPartition);
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bool SetupScrub(const std::string& filename, int block_size)
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{
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bool success = true;
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m_Filename = filename;
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m_BlockSize = block_size;
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bool success = true;
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m_Filename = filename;
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m_BlockSize = block_size;
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if (CLUSTER_SIZE % m_BlockSize != 0)
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{
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ERROR_LOG(DISCIO, "Block size %i is not a factor of 0x8000, scrubbing not possible", m_BlockSize);
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return false;
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}
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if (CLUSTER_SIZE % m_BlockSize != 0)
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{
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ERROR_LOG(DISCIO, "Block size %i is not a factor of 0x8000, scrubbing not possible",
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m_BlockSize);
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return false;
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}
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m_BlocksPerCluster = CLUSTER_SIZE / m_BlockSize;
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m_BlocksPerCluster = CLUSTER_SIZE / m_BlockSize;
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s_disc = CreateVolumeFromFilename(filename);
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if (!s_disc)
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return false;
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s_disc = CreateVolumeFromFilename(filename);
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if (!s_disc)
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return false;
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m_FileSize = s_disc->GetSize();
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m_FileSize = s_disc->GetSize();
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u32 numClusters = (u32)(m_FileSize / CLUSTER_SIZE);
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u32 numClusters = (u32)(m_FileSize / CLUSTER_SIZE);
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// Warn if not DVD5 or DVD9 size
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if (numClusters != 0x23048 && numClusters != 0x46090)
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WARN_LOG(DISCIO, "%s is not a standard sized Wii disc! (%x blocks)", filename.c_str(), numClusters);
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// Warn if not DVD5 or DVD9 size
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if (numClusters != 0x23048 && numClusters != 0x46090)
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WARN_LOG(DISCIO, "%s is not a standard sized Wii disc! (%x blocks)", filename.c_str(),
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numClusters);
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// Table of free blocks
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m_FreeTable = new u8[numClusters];
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std::fill(m_FreeTable, m_FreeTable + numClusters, 1);
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// Table of free blocks
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m_FreeTable = new u8[numClusters];
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std::fill(m_FreeTable, m_FreeTable + numClusters, 1);
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// Fill out table of free blocks
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success = ParseDisc();
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// Fill out table of free blocks
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success = ParseDisc();
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// Done with it; need it closed for the next part
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s_disc.reset();
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m_BlockCount = 0;
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// Done with it; need it closed for the next part
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s_disc.reset();
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m_BlockCount = 0;
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// Let's not touch the file if we've failed up to here :p
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if (!success)
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Cleanup();
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// Let's not touch the file if we've failed up to here :p
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if (!success)
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Cleanup();
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m_isScrubbing = success;
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return success;
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m_isScrubbing = success;
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return success;
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}
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size_t GetNextBlock(File::IOFile& in, u8* buffer)
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{
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u64 CurrentOffset = m_BlockCount * m_BlockSize;
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u64 i = CurrentOffset / CLUSTER_SIZE;
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u64 CurrentOffset = m_BlockCount * m_BlockSize;
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u64 i = CurrentOffset / CLUSTER_SIZE;
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size_t ReadBytes = 0;
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if (m_isScrubbing && m_FreeTable[i])
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{
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DEBUG_LOG(DISCIO, "Freeing 0x%016" PRIx64, CurrentOffset);
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std::fill(buffer, buffer + m_BlockSize, 0xFF);
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in.Seek(m_BlockSize, SEEK_CUR);
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ReadBytes = m_BlockSize;
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}
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else
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{
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DEBUG_LOG(DISCIO, "Used 0x%016" PRIx64, CurrentOffset);
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in.ReadArray(buffer, m_BlockSize, &ReadBytes);
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}
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size_t ReadBytes = 0;
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if (m_isScrubbing && m_FreeTable[i])
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{
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DEBUG_LOG(DISCIO, "Freeing 0x%016" PRIx64, CurrentOffset);
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std::fill(buffer, buffer + m_BlockSize, 0xFF);
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in.Seek(m_BlockSize, SEEK_CUR);
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ReadBytes = m_BlockSize;
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}
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else
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{
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DEBUG_LOG(DISCIO, "Used 0x%016" PRIx64, CurrentOffset);
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in.ReadArray(buffer, m_BlockSize, &ReadBytes);
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}
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m_BlockCount++;
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return ReadBytes;
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m_BlockCount++;
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return ReadBytes;
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}
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void Cleanup()
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{
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if (m_FreeTable) delete[] m_FreeTable;
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m_FreeTable = nullptr;
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m_FileSize = 0;
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m_BlockCount = 0;
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m_BlockSize = 0;
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m_BlocksPerCluster = 0;
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m_isScrubbing = false;
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if (m_FreeTable)
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delete[] m_FreeTable;
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m_FreeTable = nullptr;
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m_FileSize = 0;
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m_BlockCount = 0;
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m_BlockSize = 0;
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m_BlocksPerCluster = 0;
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m_isScrubbing = false;
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}
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void MarkAsUsed(u64 _Offset, u64 _Size)
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{
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u64 CurrentOffset = _Offset;
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u64 EndOffset = CurrentOffset + _Size;
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u64 CurrentOffset = _Offset;
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u64 EndOffset = CurrentOffset + _Size;
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DEBUG_LOG(DISCIO, "Marking 0x%016" PRIx64 " - 0x%016" PRIx64 " as used", _Offset, EndOffset);
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DEBUG_LOG(DISCIO, "Marking 0x%016" PRIx64 " - 0x%016" PRIx64 " as used", _Offset, EndOffset);
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while ((CurrentOffset < EndOffset) && (CurrentOffset < m_FileSize))
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{
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m_FreeTable[CurrentOffset / CLUSTER_SIZE] = 0;
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CurrentOffset += CLUSTER_SIZE;
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}
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while ((CurrentOffset < EndOffset) && (CurrentOffset < m_FileSize))
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{
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m_FreeTable[CurrentOffset / CLUSTER_SIZE] = 0;
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CurrentOffset += CLUSTER_SIZE;
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}
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}
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// Compensate for 0x400(SHA-1) per 0x8000(cluster)
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void MarkAsUsedE(u64 _PartitionDataOffset, u64 _Offset, u64 _Size)
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{
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u64 Offset;
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u64 Size;
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u64 Offset;
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u64 Size;
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Offset = _Offset / 0x7c00;
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Offset = Offset * CLUSTER_SIZE;
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Offset += _PartitionDataOffset;
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Offset = _Offset / 0x7c00;
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Offset = Offset * CLUSTER_SIZE;
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Offset += _PartitionDataOffset;
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Size = _Size / 0x7c00;
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Size = (Size + 1) * CLUSTER_SIZE;
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Size = _Size / 0x7c00;
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Size = (Size + 1) * CLUSTER_SIZE;
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// Add on the offset in the first block for the case where data straddles blocks
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Size += _Offset % 0x7c00;
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// Add on the offset in the first block for the case where data straddles blocks
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Size += _Offset % 0x7c00;
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MarkAsUsed(Offset, Size);
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MarkAsUsed(Offset, Size);
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}
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// Helper functions for reading the BE volume
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bool ReadFromVolume(u64 _Offset, u32& _Buffer, bool _Decrypt)
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{
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return s_disc->ReadSwapped(_Offset, &_Buffer, _Decrypt);
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return s_disc->ReadSwapped(_Offset, &_Buffer, _Decrypt);
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}
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bool ReadFromVolume(u64 _Offset, u64& _Buffer, bool _Decrypt)
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{
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u32 temp_buffer;
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if (!s_disc->ReadSwapped(_Offset, &temp_buffer, _Decrypt))
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return false;
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_Buffer = static_cast<u64>(temp_buffer) << 2;
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return true;
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u32 temp_buffer;
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if (!s_disc->ReadSwapped(_Offset, &temp_buffer, _Decrypt))
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return false;
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_Buffer = static_cast<u64>(temp_buffer) << 2;
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return true;
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}
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bool ParseDisc()
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{
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// Mark the header as used - it's mostly 0s anyways
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MarkAsUsed(0, 0x50000);
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// Mark the header as used - it's mostly 0s anyways
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MarkAsUsed(0, 0x50000);
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for (int x = 0; x < 4; x++)
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{
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if (!ReadFromVolume(0x40000 + (x * 8) + 0, PartitionGroup[x].numPartitions, false) ||
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!ReadFromVolume(0x40000 + (x * 8) + 4, PartitionGroup[x].PartitionsOffset, false))
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return false;
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for (int x = 0; x < 4; x++)
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{
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if (!ReadFromVolume(0x40000 + (x * 8) + 0, PartitionGroup[x].numPartitions, false) ||
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!ReadFromVolume(0x40000 + (x * 8) + 4, PartitionGroup[x].PartitionsOffset, false))
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return false;
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// Read all partitions
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for (u32 i = 0; i < PartitionGroup[x].numPartitions; i++)
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{
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SPartition Partition;
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// Read all partitions
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for (u32 i = 0; i < PartitionGroup[x].numPartitions; i++)
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{
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SPartition Partition;
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Partition.GroupNumber = x;
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Partition.Number = i;
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Partition.GroupNumber = x;
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Partition.Number = i;
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if (!ReadFromVolume(PartitionGroup[x].PartitionsOffset + (i * 8) + 0, Partition.Offset, false) ||
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!ReadFromVolume(PartitionGroup[x].PartitionsOffset + (i * 8) + 4, Partition.Type, false) ||
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!ReadFromVolume(Partition.Offset + 0x2a4, Partition.Header.TMDSize, false) ||
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!ReadFromVolume(Partition.Offset + 0x2a8, Partition.Header.TMDOffset, false) ||
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!ReadFromVolume(Partition.Offset + 0x2ac, Partition.Header.CertChainSize, false) ||
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!ReadFromVolume(Partition.Offset + 0x2b0, Partition.Header.CertChainOffset, false) ||
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!ReadFromVolume(Partition.Offset + 0x2b4, Partition.Header.H3Offset, false) ||
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!ReadFromVolume(Partition.Offset + 0x2b8, Partition.Header.DataOffset, false) ||
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!ReadFromVolume(Partition.Offset + 0x2bc, Partition.Header.DataSize, false))
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return false;
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if (!ReadFromVolume(PartitionGroup[x].PartitionsOffset + (i * 8) + 0, Partition.Offset,
|
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false) ||
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!ReadFromVolume(PartitionGroup[x].PartitionsOffset + (i * 8) + 4, Partition.Type,
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false) ||
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!ReadFromVolume(Partition.Offset + 0x2a4, Partition.Header.TMDSize, false) ||
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!ReadFromVolume(Partition.Offset + 0x2a8, Partition.Header.TMDOffset, false) ||
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!ReadFromVolume(Partition.Offset + 0x2ac, Partition.Header.CertChainSize, false) ||
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!ReadFromVolume(Partition.Offset + 0x2b0, Partition.Header.CertChainOffset, false) ||
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!ReadFromVolume(Partition.Offset + 0x2b4, Partition.Header.H3Offset, false) ||
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!ReadFromVolume(Partition.Offset + 0x2b8, Partition.Header.DataOffset, false) ||
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!ReadFromVolume(Partition.Offset + 0x2bc, Partition.Header.DataSize, false))
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return false;
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PartitionGroup[x].PartitionsVec.push_back(Partition);
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}
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PartitionGroup[x].PartitionsVec.push_back(Partition);
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}
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for (auto& rPartition : PartitionGroup[x].PartitionsVec)
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{
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const SPartitionHeader& rHeader = rPartition.Header;
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for (auto& rPartition : PartitionGroup[x].PartitionsVec)
|
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{
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const SPartitionHeader& rHeader = rPartition.Header;
|
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MarkAsUsed(rPartition.Offset, 0x2c0);
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MarkAsUsed(rPartition.Offset, 0x2c0);
|
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MarkAsUsed(rPartition.Offset + rHeader.TMDOffset, rHeader.TMDSize);
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MarkAsUsed(rPartition.Offset + rHeader.CertChainOffset, rHeader.CertChainSize);
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MarkAsUsed(rPartition.Offset + rHeader.H3Offset, 0x18000);
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// This would mark the whole (encrypted) data area
|
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// we need to parse FST and other crap to find what's free within it!
|
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//MarkAsUsed(rPartition.Offset + rHeader.DataOffset, rHeader.DataSize);
|
||||
MarkAsUsed(rPartition.Offset + rHeader.TMDOffset, rHeader.TMDSize);
|
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MarkAsUsed(rPartition.Offset + rHeader.CertChainOffset, rHeader.CertChainSize);
|
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MarkAsUsed(rPartition.Offset + rHeader.H3Offset, 0x18000);
|
||||
// This would mark the whole (encrypted) data area
|
||||
// we need to parse FST and other crap to find what's free within it!
|
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// MarkAsUsed(rPartition.Offset + rHeader.DataOffset, rHeader.DataSize);
|
||||
|
||||
// Parse Data! This is where the big gain is
|
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if (!ParsePartitionData(rPartition))
|
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return false;
|
||||
}
|
||||
}
|
||||
// Parse Data! This is where the big gain is
|
||||
if (!ParsePartitionData(rPartition))
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
return true;
|
||||
}
|
||||
|
||||
// Operations dealing with encrypted space are done here - the volume is swapped to allow this
|
||||
bool ParsePartitionData(SPartition& partition)
|
||||
{
|
||||
bool parsed_ok = true;
|
||||
bool parsed_ok = true;
|
||||
|
||||
// Switch out the main volume temporarily
|
||||
std::unique_ptr<IVolume> old_volume;
|
||||
s_disc.swap(old_volume);
|
||||
// Switch out the main volume temporarily
|
||||
std::unique_ptr<IVolume> old_volume;
|
||||
s_disc.swap(old_volume);
|
||||
|
||||
// Ready some stuff
|
||||
s_disc = CreateVolumeFromFilename(m_Filename, partition.GroupNumber, partition.Number);
|
||||
if (s_disc == nullptr)
|
||||
{
|
||||
ERROR_LOG(DISCIO, "Failed to create volume from file %s", m_Filename.c_str());
|
||||
s_disc.swap(old_volume);
|
||||
return false;
|
||||
}
|
||||
// Ready some stuff
|
||||
s_disc = CreateVolumeFromFilename(m_Filename, partition.GroupNumber, partition.Number);
|
||||
if (s_disc == nullptr)
|
||||
{
|
||||
ERROR_LOG(DISCIO, "Failed to create volume from file %s", m_Filename.c_str());
|
||||
s_disc.swap(old_volume);
|
||||
return false;
|
||||
}
|
||||
|
||||
std::unique_ptr<IFileSystem> filesystem(CreateFileSystem(s_disc.get()));
|
||||
if (!filesystem)
|
||||
{
|
||||
ERROR_LOG(DISCIO, "Failed to create filesystem for group %d partition %u", partition.GroupNumber, partition.Number);
|
||||
parsed_ok = false;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Mark things as used which are not in the filesystem
|
||||
// Header, Header Information, Apploader
|
||||
parsed_ok = parsed_ok && ReadFromVolume(0x2440 + 0x14, partition.Header.ApploaderSize, true);
|
||||
parsed_ok = parsed_ok && ReadFromVolume(0x2440 + 0x18, partition.Header.ApploaderTrailerSize, true);
|
||||
MarkAsUsedE(partition.Offset
|
||||
+ partition.Header.DataOffset
|
||||
, 0
|
||||
, 0x2440
|
||||
+ partition.Header.ApploaderSize
|
||||
+ partition.Header.ApploaderTrailerSize);
|
||||
std::unique_ptr<IFileSystem> filesystem(CreateFileSystem(s_disc.get()));
|
||||
if (!filesystem)
|
||||
{
|
||||
ERROR_LOG(DISCIO, "Failed to create filesystem for group %d partition %u",
|
||||
partition.GroupNumber, partition.Number);
|
||||
parsed_ok = false;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Mark things as used which are not in the filesystem
|
||||
// Header, Header Information, Apploader
|
||||
parsed_ok = parsed_ok && ReadFromVolume(0x2440 + 0x14, partition.Header.ApploaderSize, true);
|
||||
parsed_ok =
|
||||
parsed_ok && ReadFromVolume(0x2440 + 0x18, partition.Header.ApploaderTrailerSize, true);
|
||||
MarkAsUsedE(partition.Offset + partition.Header.DataOffset, 0,
|
||||
0x2440 + partition.Header.ApploaderSize + partition.Header.ApploaderTrailerSize);
|
||||
|
||||
// DOL
|
||||
partition.Header.DOLOffset = filesystem->GetBootDOLOffset();
|
||||
partition.Header.DOLSize = filesystem->GetBootDOLSize(partition.Header.DOLOffset);
|
||||
parsed_ok = parsed_ok && partition.Header.DOLOffset && partition.Header.DOLSize;
|
||||
MarkAsUsedE(partition.Offset
|
||||
+ partition.Header.DataOffset
|
||||
, partition.Header.DOLOffset
|
||||
, partition.Header.DOLSize);
|
||||
// DOL
|
||||
partition.Header.DOLOffset = filesystem->GetBootDOLOffset();
|
||||
partition.Header.DOLSize = filesystem->GetBootDOLSize(partition.Header.DOLOffset);
|
||||
parsed_ok = parsed_ok && partition.Header.DOLOffset && partition.Header.DOLSize;
|
||||
MarkAsUsedE(partition.Offset + partition.Header.DataOffset, partition.Header.DOLOffset,
|
||||
partition.Header.DOLSize);
|
||||
|
||||
// FST
|
||||
parsed_ok = parsed_ok && ReadFromVolume(0x424, partition.Header.FSTOffset, true);
|
||||
parsed_ok = parsed_ok && ReadFromVolume(0x428, partition.Header.FSTSize, true);
|
||||
MarkAsUsedE(partition.Offset
|
||||
+ partition.Header.DataOffset
|
||||
, partition.Header.FSTOffset
|
||||
, partition.Header.FSTSize);
|
||||
// FST
|
||||
parsed_ok = parsed_ok && ReadFromVolume(0x424, partition.Header.FSTOffset, true);
|
||||
parsed_ok = parsed_ok && ReadFromVolume(0x428, partition.Header.FSTSize, true);
|
||||
MarkAsUsedE(partition.Offset + partition.Header.DataOffset, partition.Header.FSTOffset,
|
||||
partition.Header.FSTSize);
|
||||
|
||||
// Go through the filesystem and mark entries as used
|
||||
for (SFileInfo file : filesystem->GetFileList())
|
||||
{
|
||||
DEBUG_LOG(DISCIO, "%s", file.m_FullPath.empty() ? "/" : file.m_FullPath.c_str());
|
||||
if ((file.m_NameOffset & 0x1000000) == 0)
|
||||
MarkAsUsedE(partition.Offset + partition.Header.DataOffset, file.m_Offset, file.m_FileSize);
|
||||
}
|
||||
}
|
||||
// Go through the filesystem and mark entries as used
|
||||
for (SFileInfo file : filesystem->GetFileList())
|
||||
{
|
||||
DEBUG_LOG(DISCIO, "%s", file.m_FullPath.empty() ? "/" : file.m_FullPath.c_str());
|
||||
if ((file.m_NameOffset & 0x1000000) == 0)
|
||||
MarkAsUsedE(partition.Offset + partition.Header.DataOffset, file.m_Offset, file.m_FileSize);
|
||||
}
|
||||
}
|
||||
|
||||
// Swap back
|
||||
s_disc.swap(old_volume);
|
||||
// Swap back
|
||||
s_disc.swap(old_volume);
|
||||
|
||||
return parsed_ok;
|
||||
return parsed_ok;
|
||||
}
|
||||
|
||||
} // namespace DiscScrubber
|
||||
} // namespace DiscScrubber
|
||||
|
||||
} // namespace DiscIO
|
||||
} // namespace DiscIO
|
||||
|
||||
Reference in New Issue
Block a user