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			91 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			91 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright 2021 Dolphin Emulator Project
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| // SPDX-License-Identifier: GPL-2.0-or-later
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| 
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| #pragma once
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| 
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| #include <optional>
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| #include <string>
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| #include <vector>
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| 
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| #include "Common/CommonTypes.h"
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| #include "DiscIO/Blob.h"
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| 
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| namespace DiscIO
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| {
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| class FileInfo;
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| struct Partition;
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| class Volume;
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| 
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| constexpr u64 MINI_DVD_SIZE = 1459978240;  // GameCube
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| constexpr u64 SL_DVD_SIZE = 4699979776;    // Wii retail
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| constexpr u64 SL_DVD_R_SIZE = 4707319808;  // Wii RVT-R
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| constexpr u64 DL_DVD_SIZE = 8511160320;    // Wii retail
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| constexpr u64 DL_DVD_R_SIZE = 8543666176;  // Wii RVT-R
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| 
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| constexpr u32 GAMECUBE_DISC_MAGIC = 0xC2339F3D;
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| constexpr u32 WII_DISC_MAGIC = 0x5D1C9EA3;
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| 
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| constexpr u32 PARTITION_DATA = 0;
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| constexpr u32 PARTITION_UPDATE = 1;
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| constexpr u32 PARTITION_CHANNEL = 2;  // Mario Kart Wii, Wii Fit, Wii Fit Plus, Rabbids Go Home
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| constexpr u32 PARTITION_INSTALL = 3;  // Dragon Quest X only
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| 
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| constexpr u32 DISCHEADER_ADDRESS = 0;
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| constexpr u32 DISCHEADER_SIZE = 0x440;
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| constexpr u32 BI2_ADDRESS = 0x440;
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| constexpr u32 BI2_SIZE = 0x2000;
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| constexpr u32 APPLOADER_ADDRESS = 0x2440;
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| 
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| constexpr u32 WII_PARTITION_TICKET_ADDRESS = 0;
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| constexpr u32 WII_PARTITION_TICKET_SIZE = 0x2a4;
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| constexpr u32 WII_PARTITION_TMD_SIZE_ADDRESS = 0x2a4;
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| constexpr u32 WII_PARTITION_TMD_OFFSET_ADDRESS = 0x2a8;
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| constexpr u32 WII_PARTITION_CERT_CHAIN_SIZE_ADDRESS = 0x2ac;
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| constexpr u32 WII_PARTITION_CERT_CHAIN_OFFSET_ADDRESS = 0x2b0;
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| constexpr u32 WII_PARTITION_H3_OFFSET_ADDRESS = 0x2b4;
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| constexpr u32 WII_PARTITION_H3_SIZE = 0x18000;
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| 
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| constexpr u32 WII_NONPARTITION_DISCHEADER_ADDRESS = 0;
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| constexpr u32 WII_NONPARTITION_DISCHEADER_SIZE = 0x100;
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| constexpr u32 WII_REGION_DATA_ADDRESS = 0x4E000;
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| constexpr u32 WII_REGION_DATA_SIZE = 0x20;
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| 
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| // 128 KiB (0x20000) is the default block size for GCZ/RVZ images
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| constexpr int GCZ_RVZ_PREFERRED_BLOCK_SIZE = 0x20000;
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| 
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| // 32 KiB (0x8000) was picked because DVD timings are emulated as if we can't read less than
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| // an entire ECC block at once. Therefore, little reason to choose a smaller block size.
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| constexpr int PREFERRED_MIN_BLOCK_SIZE = 0x8000;
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| 
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| // 2 MiB (0x200000) was picked because it is the smallest block size supported by WIA.
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| // For performance reasons, blocks shouldn't be too large.
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| constexpr int PREFERRED_MAX_BLOCK_SIZE = 0x200000;
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| 
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| // If we didn't find a good GCZ block size, pick the block size which was hardcoded
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| // in legacy versions. That way, at least we're not worse than older versions.
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| // 16 KiB (0x4000) for supporting GCZs in versions of Dolphin prior to 5.0-11893
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| constexpr int GCZ_FALLBACK_BLOCK_SIZE = 0x4000;
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| 
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| // 2 MiB (0x200000) is the smallest block size supported by WIA.
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| constexpr int WIA_MIN_BLOCK_SIZE = 0x200000;
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| 
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| // 32 KiB (0x8000) is the smallest block size supported by RVZ.
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| constexpr int RVZ_MIN_BLOCK_SIZE = 0x8000;
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| 
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| // 2 MiB (0x200000): for RVZ, block sizes larger than 2 MiB must be an integer multiple of 2 MiB.
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| constexpr int RVZ_BIG_BLOCK_SIZE_LCM = 0x200000;
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| 
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| std::string NameForPartitionType(u32 partition_type, bool include_prefix);
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| 
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| std::optional<u64> GetApploaderSize(const Volume& volume, const Partition& partition);
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| std::optional<u64> GetBootDOLOffset(const Volume& volume, const Partition& partition);
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| std::optional<u32> GetBootDOLSize(const Volume& volume, const Partition& partition, u64 dol_offset);
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| std::optional<u64> GetFSTOffset(const Volume& volume, const Partition& partition);
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| std::optional<u64> GetFSTSize(const Volume& volume, const Partition& partition);
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| 
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| u64 GetBiggestReferencedOffset(const Volume& volume);
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| u64 GetBiggestReferencedOffset(const Volume& volume, const std::vector<Partition>& partitions);
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| 
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| bool IsGCZBlockSizeLegacyCompatible(int block_size, u64 file_size);
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| bool IsDiscImageBlockSizeValid(int block_size, DiscIO::BlobType format);
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| }  // namespace DiscIO
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