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https://github.com/SerenityOS/serenity
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3aa1bd520b
This is required for example when write combine is enabled on a region after the initial mapping.
32 lines
841 B
C++
32 lines
841 B
C++
/*
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* Copyright (c) 2024, Idan Horowitz <idan.horowitz@serenityos.org>
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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/PhysicalAddress.h>
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#include <Kernel/Memory/VMObject.h>
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namespace Kernel::Memory {
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class MMIOVMObject final : public VMObject {
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public:
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static ErrorOr<NonnullLockRefPtr<MMIOVMObject>> try_create_for_physical_range(PhysicalAddress paddr, size_t size);
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virtual ErrorOr<NonnullLockRefPtr<VMObject>> try_clone() override { return ENOTSUP; }
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PhysicalAddress base_address() const { return m_base_address; }
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private:
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MMIOVMObject(PhysicalAddress, FixedArray<RefPtr<PhysicalRAMPage>>&&);
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virtual StringView class_name() const override { return "MMIOVMObject"sv; }
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virtual bool is_mmio() const override { return true; }
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PhysicalAddress m_base_address;
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};
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}
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