mirror of
https://github.com/RGBCube/serenity
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35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
/*
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* Copyright (c) 2022, 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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#include <AK/StringView.h>
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#include <Kernel/FileSystem/OpenFileDescription.h>
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#include <Kernel/FileSystem/SysFS/Subsystems/Firmware/BIOS/DMI/EntryPointBlob.h>
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#include <Kernel/KBufferBuilder.h>
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#include <Kernel/Memory/MemoryManager.h>
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#include <Kernel/Memory/TypedMapping.h>
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#include <Kernel/Sections.h>
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namespace Kernel {
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UNMAP_AFTER_INIT NonnullRefPtr<DMIEntryPointExposedBlob> DMIEntryPointExposedBlob::must_create(PhysicalAddress dmi_entry_point, size_t blob_size)
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{
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return adopt_ref(*new (nothrow) DMIEntryPointExposedBlob(dmi_entry_point, blob_size));
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}
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UNMAP_AFTER_INIT DMIEntryPointExposedBlob::DMIEntryPointExposedBlob(PhysicalAddress dmi_entry_point, size_t blob_size)
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: BIOSSysFSComponent()
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, m_dmi_entry_point(dmi_entry_point)
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, m_dmi_entry_point_length(blob_size)
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{
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}
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ErrorOr<NonnullOwnPtr<KBuffer>> DMIEntryPointExposedBlob::try_to_generate_buffer() const
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{
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auto dmi_blob = TRY(Memory::map_typed<u8>((m_dmi_entry_point), m_dmi_entry_point_length));
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return KBuffer::try_create_with_bytes(Span<u8> { dmi_blob.ptr(), m_dmi_entry_point_length });
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}
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}
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