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	 7c0540a229
			
		
	
	
		7c0540a229
		
	
	
	
	
		
			
			This has KString, KBuffer, DoubleBuffer, KBufferBuilder, IOWindow, UserOrKernelBuffer and ScopedCritical classes being moved to the Kernel/Library subdirectory. Also, move the panic and assertions handling code to that directory.
		
			
				
	
	
		
			53 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2022, Undefine <undefine@undefine.pl>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/OwnPtr.h>
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| #include <AK/RefPtr.h>
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| #include <AK/Types.h>
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| #include <Kernel/FileSystem/BlockBasedFileSystem.h>
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| #include <Kernel/FileSystem/FATFS/Definitions.h>
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| #include <Kernel/FileSystem/Inode.h>
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| #include <Kernel/Forward.h>
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| #include <Kernel/Library/KBuffer.h>
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| 
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| namespace Kernel {
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| 
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| class FATFS final : public BlockBasedFileSystem {
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|     friend FATInode;
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| 
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| public:
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|     static ErrorOr<NonnullRefPtr<FileSystem>> try_create(OpenFileDescription&);
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| 
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|     virtual ~FATFS() override = default;
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|     virtual StringView class_name() const override { return "FATFS"sv; }
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|     virtual Inode& root_inode() override;
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| 
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| private:
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|     virtual ErrorOr<void> initialize_while_locked() override;
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|     virtual bool is_initialized_while_locked() override;
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|     // FIXME: This is not a proper way to clear last mount of a FAT filesystem,
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|     // but for now we simply have no other way to properly do it.
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|     virtual ErrorOr<void> prepare_to_clear_last_mount() override { return {}; }
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| 
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|     FATFS(OpenFileDescription&);
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| 
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|     static constexpr u8 signature_1 = 0x28;
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|     static constexpr u8 signature_2 = 0x29;
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| 
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|     static constexpr u32 first_data_cluster = 2;
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| 
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|     FAT32BootRecord const* boot_record() const { return reinterpret_cast<FAT32BootRecord const*>(m_boot_record->data()); };
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| 
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|     BlockBasedFileSystem::BlockIndex first_block_of_cluster(u32 cluster) const;
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| 
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|     OwnPtr<KBuffer> m_boot_record {};
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|     RefPtr<FATInode> m_root_inode;
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|     u32 m_first_data_sector { 0 };
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| };
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| 
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| }
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