46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
#pragma once
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#include <BAN/NoCopyMove.h>
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#include <BAN/UniqPtr.h>
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#include <BAN/Vector.h>
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#include <kernel/Memory/PageTable.h>
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namespace Kernel
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{
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class VirtualRange
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{
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BAN_NON_COPYABLE(VirtualRange);
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BAN_NON_MOVABLE(VirtualRange);
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public:
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// Create virtual range to fixed virtual address
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static BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> create_to_vaddr(PageTable&, vaddr_t, size_t, uint8_t flags);
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// Create virtual range to virtual address range
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static BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> create_to_vaddr_range(PageTable&, vaddr_t vaddr_start, vaddr_t vaddr_end, size_t, uint8_t flags);
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// Create virtual range in kernel memory with kmalloc
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static BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> create_kmalloc(size_t);
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~VirtualRange();
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BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> clone(PageTable&);
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vaddr_t vaddr() const { return m_vaddr; }
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size_t size() const { return m_size; }
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uint8_t flags() const { return m_flags; }
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void set_zero();
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void copy_from(size_t offset, const uint8_t* buffer, size_t bytes);
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private:
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VirtualRange(PageTable&);
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private:
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PageTable& m_page_table;
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bool m_kmalloc { false };
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vaddr_t m_vaddr { 0 };
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size_t m_size { 0 };
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uint8_t m_flags { 0 };
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BAN::Vector<paddr_t> m_physical_pages;
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};
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} |