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https://github.com/RGBCube/serenity
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Kernel: Move the VM Range class to its own files
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parent
c11511a0ab
commit
17f076d912
5 changed files with 125 additions and 59 deletions
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@ -26,57 +26,13 @@
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#pragma once
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#include <AK/String.h>
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#include <AK/Traits.h>
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#include <AK/Vector.h>
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#include <Kernel/SpinLock.h>
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#include <Kernel/VirtualAddress.h>
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#include <Kernel/VM/Range.h>
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namespace Kernel {
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class Range {
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friend class RangeAllocator;
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public:
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Range() = delete;
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Range(VirtualAddress base, size_t size)
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: m_base(base)
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, m_size(size)
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{
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}
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VirtualAddress base() const { return m_base; }
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size_t size() const { return m_size; }
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bool is_valid() const { return !m_base.is_null(); }
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bool contains(VirtualAddress vaddr) const { return vaddr >= base() && vaddr < end(); }
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VirtualAddress end() const { return m_base.offset(m_size); }
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bool operator==(const Range& other) const
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{
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return m_base == other.m_base && m_size == other.m_size;
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}
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bool contains(VirtualAddress base, size_t size) const
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{
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if (base.offset(size) < base)
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return false;
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return base >= m_base && base.offset(size) <= end();
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}
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bool contains(const Range& other) const
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{
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return contains(other.base(), other.size());
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}
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Vector<Range, 2> carve(const Range&);
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private:
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VirtualAddress m_base;
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size_t m_size { 0 };
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};
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class RangeAllocator {
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public:
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RangeAllocator();
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