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49 lines
896 B
C++
49 lines
896 B
C++
//
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// VHD.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 27/08/2025.
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// Copyright © 2025 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "Storage/MassStorage/MassStorageDevice.hpp"
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#include "Storage/FileHolder.hpp"
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namespace Storage::MassStorage {
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class VHD: public MassStorageDevice {
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public:
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VHD(const std::string &file_name);
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private:
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FileHolder file_;
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uint16_t cylinders_;
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uint8_t heads_;
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uint8_t sides_;
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enum class Type {
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Fixed,
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Dynamic,
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Differencing,
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} type_;
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uint64_t data_offset_;
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// For dynamic VHDs.
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uint64_t table_offset_;
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uint32_t max_table_entries_;
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uint32_t block_size_;
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size_t total_blocks_;
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// MassStorageDevice.
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size_t get_block_size() const override;
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size_t get_number_of_blocks() const override;
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std::vector<uint8_t> get_block(size_t) const override;
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void set_block(size_t, const std::vector<uint8_t> &) override;
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};
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}
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