forked from Bananymous/banan-os
31 lines
891 B
C++
31 lines
891 B
C++
#pragma once
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#include <kernel/Memory/MemoryRegion.h>
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namespace Kernel
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{
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class MemoryBackedRegion final : public MemoryRegion
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{
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BAN_NON_COPYABLE(MemoryBackedRegion);
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BAN_NON_MOVABLE(MemoryBackedRegion);
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public:
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static BAN::ErrorOr<BAN::UniqPtr<MemoryBackedRegion>> create(PageTable&, size_t size, AddressRange, Type, PageTable::flags_t);
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~MemoryBackedRegion();
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virtual BAN::ErrorOr<BAN::UniqPtr<MemoryRegion>> clone(PageTable& new_page_table) override;
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// Copy data from buffer into this region
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// This can fail if no memory is mapped and no free memory was available
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BAN::ErrorOr<void> copy_data_to_region(size_t offset_into_region, const uint8_t* buffer, size_t buffer_size);
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protected:
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virtual BAN::ErrorOr<bool> allocate_page_containing_impl(vaddr_t vaddr) override;
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private:
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MemoryBackedRegion(PageTable&, size_t size, Type, PageTable::flags_t);
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};
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} |