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https://github.com/SerenityOS/serenity
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37 lines
746 B
C++
37 lines
746 B
C++
/*
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* Copyright (c) 2023, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <Kernel/Memory/VirtualAddress.h>
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#include <Kernel/Memory/VirtualRange.h>
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#include <Kernel/Sections.h>
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namespace Kernel::Memory {
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inline bool is_user_address(VirtualAddress vaddr)
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{
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return vaddr.get() < USER_RANGE_CEILING;
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}
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inline bool is_user_range(VirtualAddress vaddr, size_t size)
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{
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if (vaddr.offset(size) < vaddr)
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return false;
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if (!is_user_address(vaddr))
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return false;
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if (size <= 1)
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return true;
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return is_user_address(vaddr.offset(size - 1));
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}
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inline bool is_user_range(VirtualRange const& range)
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{
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return is_user_range(range.base(), range.size());
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}
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}
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