Kernel: Remove DMI decoder from the kernel

As suggested by @supercomputer7, we can simply expose this as a blob
and decode it in userspace instead.

Fixes #2599.

4 files changed, 0 insertions, 1715 deletions

diff --git a/Kernel/ACPI/DMIDecoder.cpp b/Kernel/ACPI/DMIDecoder.cpp
deleted file mode 100644
index 775fcd32ae..0000000000
--- a/Kernel/ACPI/DMIDecoder.cpp
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <AK/StringView.h>
-#include <Kernel/ACPI/DMIDecoder.h>
-#include <Kernel/VM/MemoryManager.h>
-#include <Kernel/StdLib.h>
-
-namespace Kernel {
-
-static DMIDecoder* s_dmi_decoder;
-
-//#define SMBIOS_DEBUG
-
-#define SMBIOS_BASE_SEARCH_ADDR 0xf0000
-#define SMBIOS_END_SEARCH_ADDR 0xfffff
-#define SMBIOS_SEARCH_AREA_SIZE (SMBIOS_END_SEARCH_ADDR - SMBIOS_BASE_SEARCH_ADDR)
-
-DMIDecoder& DMIDecoder::the()
-{
-    if (s_dmi_decoder == nullptr) {
-        s_dmi_decoder = new DMIDecoder(true);
-    }
-    return *s_dmi_decoder;
-}
-
-void DMIDecoder::initialize()
-{
-    if (s_dmi_decoder == nullptr) {
-        s_dmi_decoder = new DMIDecoder(true);
-    }
-}
-
-void DMIDecoder::initialize_untrusted()
-{
-    if (s_dmi_decoder == nullptr) {
-        s_dmi_decoder = new DMIDecoder(false);
-    }
-}
-
-void DMIDecoder::set_64_bit_entry_initialization_values(PhysicalAddress entry)
-{
-    klog() << "DMIDecoder: SMBIOS 64bit Entry point @ " << m_entry64bit_point;
-    m_use_64bit_entry = true;
-
-    auto region = MM.allocate_kernel_region(entry.page_base(), PAGE_ROUND_UP(SMBIOS_SEARCH_AREA_SIZE), "DMI Decoder 64 bit Initialization", Region::Access::Read, false, false);
-    auto& entry_ptr = *(SMBIOS::EntryPoint64bit*)region->vaddr().offset(entry.offset_in_page()).as_ptr();
-    m_structure_table = PhysicalAddress(entry_ptr.table_ptr);
-    m_structures_count = entry_ptr.table_maximum_size;
-    m_table_length = entry_ptr.table_maximum_size;
-}
-
-void DMIDecoder::set_32_bit_entry_initialization_values(PhysicalAddress entry)
-{
-    klog() << "DMIDecoder: SMBIOS 32bit Entry point @ " << m_entry32bit_point;
-    m_use_64bit_entry = false;
-
-    auto region = MM.allocate_kernel_region(entry.page_base(), PAGE_ROUND_UP(SMBIOS_SEARCH_AREA_SIZE), "DMI Decoder 32 bit Initialization", Region::Access::Read, false, false);
-    auto& entry_ptr = *(SMBIOS::EntryPoint32bit*)region->vaddr().offset(entry.offset_in_page()).as_ptr();
-
-    m_structure_table = PhysicalAddress(entry_ptr.legacy_structure.smbios_table_ptr);
-    m_structures_count = entry_ptr.legacy_structure.smbios_tables_count;
-    m_table_length = entry_ptr.legacy_structure.smboios_table_length;
-}
-
-void DMIDecoder::initialize_parser()
-{
-
-    if (m_entry32bit_point.is_null() && m_entry64bit_point.is_null()) {
-        m_operable = false;
-        klog() << "DMI Decoder is disabled. Cannot find SMBIOS tables.";
-        return;
-    }
-
-    m_operable = true;
-    klog() << "DMI Decoder is enabled";
-    if (!m_entry64bit_point.is_null()) {
-        set_64_bit_entry_initialization_values(m_entry64bit_point);
-    } else if (!m_entry32bit_point.is_null()) {
-        set_32_bit_entry_initialization_values(m_entry32bit_point);
-    }
-    klog() << "DMIDecoder: Data table @ " << m_structure_table;
-    enumerate_smbios_tables();
-}
-
-void DMIDecoder::enumerate_smbios_tables()
-{
-
-    u32 table_length = m_table_length;
-    auto p_table = m_structure_table;
-
-    auto region = MM.allocate_kernel_region(p_table.page_base(), PAGE_ROUND_UP(table_length), "DMI Decoder Enumerating SMBIOS", Region::Access::Read, false, false);
-    volatile SMBIOS::TableHeader* v_table_ptr = (SMBIOS::TableHeader*)region->vaddr().offset(p_table.offset_in_page()).as_ptr();
-
-#ifdef SMBIOS_DEBUG
-    dbg() << "DMIDecoder: Total Table length " << m_table_length;
-#endif
-
-    u32 structures_count = 0;
-    while (table_length > 0) {
-#ifdef SMBIOS_DEBUG
-        dbg() << "DMIDecoder: Examining table @ P " << (void*)p_table.as_ptr() << " V " << const_cast<SMBIOS::TableHeader*>(v_table_ptr);
-#endif
-        structures_count++;
-        if (v_table_ptr->type == (u8)SMBIOS::TableType::EndOfTable) {
-            klog() << "DMIDecoder: Detected table with type 127, End of SMBIOS data.";
-            break;
-        }
-        klog() << "DMIDecoder: Detected table with type " << v_table_ptr->type;
-        m_smbios_tables.append(p_table);
-        table_length -= v_table_ptr->length;
-
-        size_t table_size = get_table_size(p_table);
-        p_table = p_table.offset(table_size);
-        v_table_ptr = (SMBIOS::TableHeader*)((FlatPtr)v_table_ptr + table_size);
-#ifdef SMBIOS_DEBUG
-        dbg() << "DMIDecoder: Next table @ P 0x" << p_table.get();
-#endif
-    }
-    m_structures_count = structures_count;
-}
-
-size_t DMIDecoder::get_table_size(PhysicalAddress table)
-{
-    auto region = MM.allocate_kernel_region(table.page_base(), PAGE_ROUND_UP(m_table_length), "DMI Decoder Determining table size", Region::Access::Read, false, false);
-    auto& table_v_ptr = (SMBIOS::TableHeader&)*region->vaddr().offset(table.offset_in_page()).as_ptr();
-#ifdef SMBIOS_DEBUG
-    dbg() << "DMIDecoder: table legnth - " << table_v_ptr.length;
-#endif
-    const char* strtab = (char*)&table_v_ptr + table_v_ptr.length;
-    size_t index = 1;
-    while (strtab[index - 1] != '\0' || strtab[index] != '\0') {
-        if (index > m_table_length) {
-            ASSERT_NOT_REACHED(); // FIXME: Instead of halting, find a better solution (Hint: use m_operable to disallow further use of DMIDecoder)
-        }
-        index++;
-    }
-#ifdef SMBIOS_DEBUG
-    dbg() << "DMIDecoder: table size - " << (table_v_ptr.length + index + 1);
-#endif
-    return table_v_ptr.length + index + 1;
-}
-
-PhysicalAddress DMIDecoder::get_next_physical_table(PhysicalAddress p_table)
-{
-    return p_table.offset(get_table_size(p_table));
-}
-
-PhysicalAddress DMIDecoder::get_smbios_physical_table_by_handle(u16 handle)
-{
-
-    for (auto table : m_smbios_tables) {
-        if (table.is_null())
-            continue;
-        auto region = MM.allocate_kernel_region(table.page_base(), PAGE_SIZE * 2, "DMI Decoder Finding Table", Region::Access::Read, false, false);
-        SMBIOS::TableHeader* table_v_ptr = (SMBIOS::TableHeader*)region->vaddr().offset(table.offset_in_page()).as_ptr();
-
-        if (table_v_ptr->handle == handle) {
-            return table;
-        }
-    }
-    return {};
-}
-PhysicalAddress DMIDecoder::get_smbios_physical_table_by_type(u8 table_type)
-{
-
-    for (auto table : m_smbios_tables) {
-        if (table.is_null())
-            continue;
-        auto region = MM.allocate_kernel_region(table.page_base(), PAGE_ROUND_UP(PAGE_SIZE * 2), "DMI Decoder Finding Table", Region::Access::Read, false, false);
-        SMBIOS::TableHeader* table_v_ptr = (SMBIOS::TableHeader*)region->vaddr().offset(table.offset_in_page()).as_ptr();
-        if (table_v_ptr->type == table_type) {
-            return table;
-        }
-    }
-    return {};
-}
-
-DMIDecoder::DMIDecoder(bool trusted)
-    : m_entry32bit_point(find_entry32bit_point())
-    , m_entry64bit_point(find_entry64bit_point())
-    , m_structure_table(PhysicalAddress())
-    , m_untrusted(!trusted)
-{
-    if (!trusted) {
-        klog() << "DMI Decoder initialized as untrusted due to user request.";
-    }
-    initialize_parser();
-}
-
-PhysicalAddress DMIDecoder::find_entry64bit_point()
-{
-    PhysicalAddress paddr = PhysicalAddress(SMBIOS_BASE_SEARCH_ADDR);
-    auto region = MM.allocate_kernel_region(paddr, PAGE_ROUND_UP(SMBIOS_SEARCH_AREA_SIZE), "DMI Decoder Entry Point 64 bit Finding", Region::Access::Read, false, false);
-
-    char* tested_physical_ptr = (char*)paddr.get();
-    for (char* entry_str = (char*)(region->vaddr().get()); entry_str < (char*)(region->vaddr().get() + (SMBIOS_SEARCH_AREA_SIZE)); entry_str += 16) {
-#ifdef SMBIOS_DEBUG
-        dbg() << "DMI Decoder: Looking for 64 bit Entry point @ V " << (void*)entry_str << " P " << (void*)tested_physical_ptr;
-#endif
-        if (!strncmp("_SM3_", entry_str, strlen("_SM3_")))
-            return PhysicalAddress((FlatPtr)tested_physical_ptr);
-
-        tested_physical_ptr += 16;
-    }
-    return {};
-}
-
-PhysicalAddress DMIDecoder::find_entry32bit_point()
-{
-    PhysicalAddress paddr = PhysicalAddress(SMBIOS_BASE_SEARCH_ADDR);
-    auto region = MM.allocate_kernel_region(paddr, PAGE_ROUND_UP(SMBIOS_SEARCH_AREA_SIZE), "DMI Decoder Entry Point 32 bit Finding", Region::Access::Read, false, false);
-
-    char* tested_physical_ptr = (char*)paddr.get();
-    for (char* entry_str = (char*)(region->vaddr().get()); entry_str < (char*)(region->vaddr().get() + (SMBIOS_SEARCH_AREA_SIZE)); entry_str += 16) {
-#ifdef SMBIOS_DEBUG
-        dbg() << "DMI Decoder: Looking for 32 bit Entry point @ V " << (void*)entry_str << " P " << (void*)tested_physical_ptr;
-#endif
-        if (!strncmp("_SM_", entry_str, strlen("_SM_")))
-            return PhysicalAddress((FlatPtr)tested_physical_ptr);
-
-        tested_physical_ptr += 16;
-    }
-    return {};
-}
-
-Vector<SMBIOS::PhysicalMemoryArray*>& DMIDecoder::get_physical_memory_areas()
-{
-    // FIXME: Implement it...
-    klog() << "DMIDecoder::get_physical_memory_areas() is not implemented.";
-    ASSERT_NOT_REACHED();
-}
-bool DMIDecoder::is_reliable()
-{
-    return !m_untrusted;
-}
-u64 DMIDecoder::get_bios_characteristics()
-{
-    // FIXME: Make sure we have some mapping here so we don't rely on existing identity mapping...
-    ASSERT_NOT_REACHED();
-    ASSERT(m_operable == true);
-    auto* bios_info = (SMBIOS::BIOSInfo*)get_smbios_physical_table_by_type(0).as_ptr();
-    ASSERT(bios_info != nullptr);
-
-    klog() << "DMIDecoder: BIOS info @ " << PhysicalAddress((FlatPtr)bios_info);
-    return bios_info->bios_characteristics;
-}
-
-char* DMIDecoder::get_smbios_string(PhysicalAddress, u8)
-{
-    // FIXME: Implement it...
-    // FIXME: Make sure we have some mapping here so we don't rely on existing identity mapping...
-    klog() << "DMIDecoder::get_smbios_string() is not implemented.";
-    ASSERT_NOT_REACHED();
-    return nullptr;
-}
-
-}
diff --git a/Kernel/ACPI/DMIDecoder.h b/Kernel/ACPI/DMIDecoder.h
deleted file mode 100644
index 37866b80f9..0000000000
--- a/Kernel/ACPI/DMIDecoder.h
+++ /dev/null
@@ -1,1425 +0,0 @@
-/*
- * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <AK/SinglyLinkedList.h>
-#include <AK/Types.h>
-#include <AK/Vector.h>
-#include <Kernel/VM/Region.h>
-#include <Kernel/PhysicalAddress.h>
-#include <Kernel/VirtualAddress.h>
-
-namespace Kernel {
-
-namespace SMBIOS {
-struct [[gnu::packed]] LegacyEntryPoint32bit
-{
-    char legacy_sig[5];
-    u8 checksum2;
-    u16 smboios_table_length;
-    u32 smbios_table_ptr;
-    u16 smbios_tables_count;
-    u8 smbios_bcd_revision;
-};
-
-struct [[gnu::packed]] EntryPoint32bit
-{
-    char sig[4];
-    u8 checksum;
-    u8 length;
-    u8 major_version;
-    u8 minor_version;
-    u16 maximum_structure_size;
-    u8 implementation_revision;
-    char formatted_area[5];
-    LegacyEntryPoint32bit legacy_structure;
-};
-
-struct [[gnu::packed]] EntryPoint64bit
-{
-    char sig[5];
-    u8 checksum;
-    u8 length;
-    u8 major_version;
-    u8 minor_version;
-    u8 document_revision;
-    u8 revision;
-    u8 reserved;
-    u32 table_maximum_size;
-    u64 table_ptr;
-};
-
-struct [[gnu::packed]] TableHeader
-{
-    u8 type;
-    u8 length;
-    u16 handle;
-};
-
-enum class TableType {
-    BIOSInfo = 0,
-    SysInfo = 1,
-    ModuleInfo = 2,
-    SysEnclosure = 3,
-    ProcessorInfo = 4,
-    CacheInfo = 7,
-    PortConnectorInfo = 8,
-    SystemSlots = 9,
-    OEMStrings = 11,
-    SysConfigOptions = 12,
-    BIOSLanguageInfo = 13,
-    GroupAssociations = 14,
-    SysEventLog = 15,
-    PhysicalMemoryArray = 16,
-    MemoryDevice = 17,
-    MemoryErrorInfo32Bit = 18,
-    MemoryArrayMappedAddress = 19,
-    MemoryDeviceMappedAddress = 20,
-    BuiltinPointingDevice = 21,
-    PortableBattery = 22,
-    SysReset = 23,
-    HardwareSecurity = 24,
-    SysPowerControls = 25,
-    VoltageProbe = 26,
-    CoolingDevice = 27,
-    TemperatureProbe = 28,
-    ElectricalCurrentProbe = 29,
-    OutOfBandRemoteAccess = 30,
-    SystemBootInfo = 32,
-    MemoryErrorInfo64Bit = 33,
-    ManagementDevice = 34,
-    ManagementDeviceComponent = 35,
-    ManagementDeviceThresholdData = 36,
-    MemoryChannel = 37,
-    IPMIDeviceInfo = 38,
-    SysPowerSupply = 39,
-    AdditionalInfo = 40,
-    OnboardDevicesExtendedInfo = 41,
-    ManagementControllerHostInterface = 42,
-    TPMDevice = 43,
-    ProcessorAdditionalInfo = 44,
-    Inactive = 126,
-    EndOfTable = 127
-};
-
-struct [[gnu::packed]] BIOSInfo
-{ // Type 0
-    TableHeader h;
-    u8 bios_vendor_str_number;
-    u8 bios_version_str_number;
-    u16 bios_segment;
-    u8 bios_release_date_str_number;
-    u8 bios_rom_size;
-    u64 bios_characteristics;
-    u8 ext_bios_characteristics[];
-};
-
-enum class BIOSCharacteristics {
-    Unknown = (1 << 2),
-    NotSupported = (1 << 3),
-    ISA_support = (1 << 4),
-    MCA_support = (1 << 5),
-    EISA_support = (1 << 6),
-    PCI_support = (1 << 7),
-    PCMCIA_support = (1 << 8),
-    PnP_support = (1 << 9),
-    APM_support = (1 << 10),
-    UpgradeableBIOS = (1 << 11),
-    Shadowing_BIOS = (1 << 12),
-    VL_VESA_support = (1 << 13),
-    ESCD_support = (1 << 14),
-    CD_boot_support = (1 << 15),
-    select_boot_support = (1 << 16),
-    BIOS_ROM_socketed = (1 << 17),
-    PCMCIA_boot_support = (1 << 18),
-    EDD_spec_support = (1 << 19),
-    floppy_nec98_1200k_support = (1 << 20),
-    floppy_toshiba_1200k_support = (1 << 21),
-    floppy_360k_support = (1 << 22),
-    floppy_1200k_services_support = (1 << 23),
-    floppy_720k_services_support = (1 << 24),
-    floppy_2880k_services_support = (1 << 25),
-    int5_print_screen_support = (1 << 26),
-    int9_8042_keyboard_support = (1 << 27),
-    int14_serial_support = (1 << 28),
-    int17_printer_support = (1 << 29),
-    int10_video_support = (1 << 30),
-    nec_pc98 = (1 << 31)
-};
-
-struct [[gnu::packed]] ExtBIOSInfo
-{
-    u8 bios_major_release;
-    u8 bios_minor_release;
-    u8 embedded_controller_firmware_major_release;
-    u8 embedded_controller_firmware_minor_release;
-    u16 ext_bios_rom_size;
-};
-
-struct [[gnu::packed]] SysInfo
-{ // Type 1
-    TableHeader h;
-    u8 manufacturer_str_number;
-    u8 product_name_str_number;
-    u8 version_str_number;
-    u8 serial_number_str_number;
-    u64 uuid[2];
-    u8 wake_up_type;
-    u8 sku_str_number;
-    u8 family_str_number;
-};
-
-enum class WakeUpType {
-    Reserved = 0,
-    Other = 1,
-    Unknown = 2,
-    APM_TIMER = 3,
-    MODEM_RING = 4,
-    LAN_REMOTE = 5,
-    POWER_SWTCH = 6,
-    PCI_PME = 7,
-    AC_RESTORE = 8,
-};
-
-struct [[gnu::packed]] ModuleInfo
-{ // Type 2
-    TableHeader h;
-    u8 manufacturer_str_number;
-    u8 product_name_str_number;
-    u8 version_str_number;
-    u8 serial_number_str_number;
-    u8 asset_tag_str_number;
-    u8 feature_flags;
-    u8 chassis_location;
-    u16 chassis_handle;
-    u8 board_type;
-    u8 contained_object_handles_count;
-    u16 contained_object_handles[];
-};
-
-enum class BoardType {
-    Unkown = 0x1,
-    Other = 0x2,
-    Server_Blade = 0x3,
-    Connectivity_Switch = 0x4,
-    System_Management_Module = 0x5,
-    Processor_Module = 0x6,
-    IO_Module = 0x7,
-    Memory_Module = 0x8,
-    Daughter_Board = 0x9,
-    Motherboard = 0xA,
-    Processor_Memory_Module = 0xB,
-    Processor_IO_Module = 0xC,
-    Interconnect_Board = 0xD,
-};
-
-struct [[gnu::packed]] SysEnclosure
-{ // Type 3
-    TableHeader h;
-    u8 manufacturer_str_number;
-    u8 type;
-    u8 version_str_number;
-    u8 serial_number_str_number;
-    u8 asset_tag_str_number;
-    u8 boot_up_state;
-    u8 power_supply_state;
-    u8 thermal_state;
-    u8 security_status;
-    u32 vendor_specific_info;
-    u8 height;
-    u8 power_cords_number;
-    u8 contained_element_count;
-    u8 contained_element_record_length;
-};
-
-struct [[gnu::packed]] ExtSysEnclosure
-{
-    u8 sku_str_number;
-};
-
-enum class SysEnclosureType {
-    Other = 0x1,
-    Unknown = 0x2,
-    Desktop = 0x3,
-    Low_Profile_Desktop = 0x4,
-    Pizza_Box = 0x5,
-    Mini_Tower = 0x6,
-    Tower = 0x7,
-    Portable = 0x8,
-    Laptop = 0x9,
-    Notebook = 0xA,
-    Hand_Held = 0xB,
-    Docking_Station = 0xC,
-    AIO = 0xD,
-    Sub_Notebook = 0xE,
-    Space_Saving = 0xF,
-    Lunch_Box = 0x10,
-    Main_Server_Chassis = 0x11,
-    Expansion_Chassis = 0x12,
-    Sub_Chassis = 0x13,
-    Bus_Expansion_Chassis = 0x14,
-    Peripheral_Chassis = 0x15,
-    RAID_Chassis = 0x16,
-    Rack_MOunt_Chassis = 0x17,
-    Sealed_case_PC = 0x18,
-    Multi_System_Chasis = 0x19,
-    Compact_PCI = 0x1A,
-    Advanced_TCA = 0x1B,
-    Blade = 0x1C,
-    Blade_Enclosure = 0x1D,
-    Tablet = 0x1E,
-    Convertible = 0x1F,
-    Detachable = 0x20,
-    IoT_Gateway = 0x21,
-    Embedded_PC = 0x22,
-    Mini_PC = 0x23,
-    Stick_PC = 0x24,
-};
-
-enum class SysEnclosureState {
-    Other = 0x1,
-    Unknown = 0x2,
-    Safe = 0x3,
-    Warning = 0x4,
-    Critical = 0x5,
-    Non_Recoverable = 0x6,
-};
-
-enum class SysEnclosureSecurityStatus {
-    Other = 0x1,
-    Unknown = 0x2,
-    None = 0x3,
-    External_Interface_Locked_Out = 0x4,
-    External_Interface_Enabled = 0x5,
-};
-
-struct [[gnu::packed]] SysEnclosureContainedElement
-{
-    u8 type;
-    u8 min_contained_element_count;
-    u8 max_contained_element_count;
-};
-
-struct [[gnu::packed]] ProcessorInfo
-{ // Type 4
-    TableHeader h;
-    u8 socket_designation_str_number;
-    u8 processor_type;
-    u8 processor_family;
-    u8 processor_manufacturer_str_number;
-    u64 processor_id;
-    u8 processor_version_str_number;
-    u8 voltage;
-    u16 external_clock;
-    u16 max_speed;
-    u16 current_speed;
-    u8 status;
-    u8 processor_upgrade;
-    u16 l1_cache_handle;
-    u16 l2_cache_handle;
-    u16 l3_cache_handle;
-    u8 serial_number_str_number;
-    u8 asset_tag_str_number;
-    u8 part_number_str_number;
-    u8 core_count;
-    u8 core_enabled;
-    u8 thread_count;
-    u16 processor_characteristics;
-    u16 processor_family2;
-    u16 core_count2;
-    u16 core_enabled2;
-    u16 thread_count2;
-};
-
-enum class ProcessorType {
-    Other = 0x1,
-    Unknown = 0x2,
-    Central_Processor = 0x3,
-    Math_Processor = 0x4,
-    DSP_Processor = 0x5,
-    Video_Processor = 0x6,
-};
-
-enum class ProcessorUpgrade {
-    Other = 0x1,
-    Unknown = 0x2,
-    Daughter_Board = 0x3,
-    ZIF_Socket = 0x4,
-    Replaceable_Piggy_Back = 0x5,
-    None = 0x6,
-    LIF_Sokcet = 0x7,
-    Slot_1 = 0x8,
-    Slot_2 = 0x9,
-    Socket_370_pin = 0xA,
-    Slot_A = 0xB,
-    Slot_M = 0xC,
-    Socket_423 = 0xD,
-    Socket_A_462 = 0xE,
-    Socket_478 = 0xF,
-    Socket_754 = 0x10,
-    Socket_940 = 0x11,
-    Socket_939 = 0x12,
-    Socket_mPGA604 = 0x13,
-    Socket_LGA771 = 0x14,
-    Socket_LGA775 = 0x15,
-    Socket_S1 = 0x16,
-    Socket_AM2 = 0x17,
-    Socket_F_1207 = 0x18,
-    Socket_LGA1366 = 0x19,
-    Socket_G34 = 0x1A,
-    Socket_AM3 = 0x1B,
-    Socket_C32 = 0x1C,
-    Socket_LGA1156 = 0x1D,
-    Socket_LGA1567 = 0x1E,
-    Socket_PGA988A = 0x1F,
-    Socket_BGA1288 = 0x20,
-    Socket_rPGA988B = 0x21,
-    Socket_BGA1023 = 0x22,
-    Socket_BGA1224 = 0x23,
-    Socket_LGA1155 = 0x24,
-    Socket_LGA1356 = 0x25,
-    Socket_LGA2011 = 0x26,
-    Socket_FS1 = 0x27,
-    Socket_FS2 = 0x28,
-    Socket_FM1 = 0x29,
-    Socket_FM2 = 0x2A,
-    Socket_LGA2011_3 = 0x2B,
-    Socket_LGA1356_3 = 0x2C,
-    Socket_LGA1150 = 0x2D,
-    Socket_BGA1168 = 0x2E,
-    Socket_BGA1234 = 0x2F,
-    Socket_BGA1364 = 0x30,
-    Socket_AM4 = 0x31,
-    Socket_LGA1151 = 0x32,
-    Socket_BGA1356 = 0x33,
-    Socket_BGA1440 = 0x34,
-    Socket_BGA1515 = 0x35,
-    Socket_LGA3647_1 = 0x36,
-    Socket_SP3 = 0x37,
-    Socket_SP3r2 = 0x38,
-    Socket_LGA2066 = 0x39,
-    Socket_BGA1392 = 0x3A,
-    Socket_BGA1510 = 0x3B,
-    Socket_BGA1528 = 0x3C
-};
-
-struct [[gnu::packed]] CacheInfo
-{ // Type 7
-    TableHeader h;
-    u8 socket_designation_str_number;
-    u16 cache_config;
-    u16 max_cache_size;
-    u16 installed_size;
-    u16 supported_sram_type;
-    u16 current_sram_type;
-    u8 cache_speed;
-    u8 error_correction_type;
-    u8 system_cache_type;
-    u8 associativity;
-    u32 max_cache_size2;
-    u32 installed_size2;
-};
-
-struct [[gnu::packed]] PortConnectorInfo
-{ // Type 8
-    TableHeader h;
-    u8 internal_reference_designator_str_number;
-    u8 internal_connector_type;
-    u8 external_reference_designator_str_number;
-    u8 external_connector_type;
-    u8 port_type;
-};
-
-enum class ConnectorType {
-    None = 0x0,
-    Centronics = 0x1,
-    Mini_Centronics = 0x2,
-    Proprietary = 0x3,
-    DB_25_pin_male = 0x4,
-    DB_25_pin_female = 0x5,
-    DB_15_pin_male = 0x6,
-    DB_15_pin_female = 0x7,
-    DB_9_pin_male = 0x8,
-    DB_9_pin_female = 0x9,
-    RJ_11 = 0xA,
-    RJ_45 = 0xB,
-    MiniSCSI_50_pin = 0xC,
-    MiniDIN = 0xD,
-    MicroDIN = 0xE,
-    PS2 = 0xF,
-    Infrared = 0x10,
-    HP_HIL = 0x11,
-    AccessBus_USB = 0x12,
-    SSA_SCSI = 0x13,
-    Circular_DIN8_male = 0x14,
-    Circular_DIN8_female = 0x15,
-    OnBoard_IDE = 0x16,
-    OnBoard_Floppy = 0x17,
-    Dual_Inline_9pin = 0x18,
-    Dual_Inline_25pin = 0x19,
-    Dual_Inline_50pin = 0x1A,
-    Dual_Inline_68pin = 0x1B,
-    OnBoard_SoundInput_CDROM = 0x1C,
-    Mini_Centronics_Type14 = 0x1D,
-    Mini_Centronics_Type26 = 0x1E,
-    Mini_Jack_Headphones = 0x1F,
-    BNC = 0x20,
-    Connector_1394 = 0x21,
-    SAS_SATA_Plug_Receptacle = 0x22,
-    USB_TypeC_Receptacle = 0x23,
-    PC98 = 0xA0,
-    PC98_Hireso = 0xA1,
-    PC_H98 = 0xA2,
-    PC98_Note = 0xA3,
-    PC98_Full = 0xA4,
-    Other = 0xFF
-};
-
-enum class PortType {
-    None = 0x0,
-    Parallel_Port_XT_AT_Compatible = 0x1,
-    Parallel_Port_PS2 = 0x2,
-    Parallel_Port_ECP = 0x3,
-    Parallel_Port_EPP = 0x4,
-    Parallel_Port_ECP_EPP = 0x5,
-    Serial_Port_XT_AT_Compatible = 0x6,
-    Serial_Port_16450_Compatible = 0x7,
-    Serial_Port_16550_Compatible = 0x8,
-    Serial_Port_16550A_Compatible = 0x9,
-    SCSI_Port = 0xA,
-    MIDI_Port = 0xB,
-    Joy_Stick_Port = 0xC,
-    Keyboard_Port = 0xD,
-    Mouse_Port = 0xE,
-    SSA_SCSI = 0xF,
-    USB = 0x10,
-    FireWire = 0x11,
-    PCMCIA_Type1 = 0x12,
-    PCMCIA_Type2 = 0x13,
-    PCMCIA_Type3 = 0x14,
-    Cardbus = 0x15,
-    AccessBus_Port = 0x16,
-    SCSI_2 = 0x17,
-    SCSI_Wide = 0x18,
-    PC98 = 0x19,
-    PC98_Hireso = 0x1A,
-    PC_H98 = 0x1B,
-    Video_Port = 0x1C,
-    Audio_Port = 0x1D,
-    Modem_Port = 0x1E,
-    Network_Port = 0x1F,
-    SATA = 0x20,
-    SAS = 0x21,
-    MFDP = 0x22,
-    Thunderbolt = 0x23,
-    Intel_8251_Compatible = 0xA0,
-    Intel_8251_FIFO_Compatible = 0xA1,
-    Other = 0xFF
-};
-
-struct [[gnu::packed]] SystemSlotPeerGroup
-{
-    u16 segment_group_number;
-    u8 bus_number;
-    u8 device_function_number;
-    u8 data_bus_width;
-};
-
-struct [[gnu::packed]] SystemSlots
-{ // Type 9
-    TableHeader h;
-    u8 slot_designation_str_number;
-    u8 slot_type;
-    u8 slot_data_bus_width;
-    u8 current_stage;
-    u8 slot_length;
-    u16 slot_id;
-    u8 slot_characteristics_1;
-    u8 slot_characteristics_2;
-    u16 segment_group_number;
-    u8 bus_number;
-    u8 device_function_number;
-    u8 data_bus_width;
-    u8 peer_grouping_count;
-    SystemSlotPeerGroup peer_groups[];
-};
-
-enum class SlotType {
-    Other = 0x1,
-    Unknown = 0x2,
-    ISA = 0x3,
-    MCA = 0x4,
-    EISA = 0x5,
-    PCI = 0x6,
-    PCMCIA = 0x7,
-    VL_VESA = 0x8,
-    Proprietary = 0x9,
-    Processor_Card_Slot = 0xA,
-    Proprietary_Memory_Card_Slot = 0xB,
-    IO_Riser_Card_Slot = 0xC,
-    NuBus = 0xD,
-    PCI_66MHZ_Capable = 0xE,
-    AGP = 0xF,
-    AGP_2X = 0x10,
-    AGP_4X = 0x11,
-    PCI_X = 0x12,
-    AGP_8X = 0x13,
-    M_Dot_2_Socket_1_DP = 0x14,
-    M_Dot_2_Socket_1_SD = 0x15,
-    M_Dot_2_Socket_2 = 0x16,
-    M_Dot_2_Socket_3 = 0x17,
-    MXM_Type1 = 0x18,
-    MXM_Type2 = 0x19,
-    MXM_Type3_Standard = 0x1A,
-    MXM_Type3_HE = 0x1B,
-    MXM_Type4 = 0x1C,
-    MXM_3_Type_A = 0x1D,
-    MXM_3_Type_B = 0x1E,
-    PCI_Express_Gen2 = 0x1F,
-    PCI_Express_Gen3 = 0x20,
-    PCI_Express_Mini_52pin_Type1 = 0x21,
-    PCI_Express_Mini_52pin_Type2 = 0x22,
-    PCI_Express_Mini_76pin = 0x23,
-    CXL_Flexbus_1_0 = 0x30,
-    PC98_C20 = 0xA0,
-    PC98_C24 = 0xA1,
-    PC98_E = 0xA2,
-    PC98_Local_Bus = 0xA3,
-    PC98_Card = 0xA4,
-    PCI_Express = 0xA5,
-    PCI_Express_x1 = 0xA6,
-    PCI_Express_x2 = 0xA7,
-    PCI_Express_x4 = 0xA8,
-    PCI_Express_x8 = 0xA9,
-    PCI_Express_x16 = 0xAA,
-    PCI_Express_Gen_2 = 0xAB,
-    PCI_Express_Gen_2_x1 = 0xAC,
-    PCI_Express_Gen_2_x2 = 0xAD,
-    PCI_Express_Gen_2_x4 = 0xAE,
-    PCI_Express_Gen_2_x8 = 0xAF,
-    PCI_Express_Gen_2_x16 = 0xB0,
-    PCI_Express_Gen_3 = 0xB1,
-    PCI_Express_Gen_3_x1 = 0xB2,
-    PCI_Express_Gen_3_x2 = 0xB3,
-    PCI_Express_Gen_3_x4 = 0xB4,
-    PCI_Express_Gen_3_x8 = 0xB5,
-    PCI_Express_Gen_3_x16 = 0xB6,
-    PCI_Express_Gen_4 = 0xB8,
-    PCI_Express_Gen_4_x1 = 0xB9,
-    PCI_Express_Gen_4_x2 = 0xBA,
-    PCI_Express_Gen_4_x4 = 0xBB,
-    PCI_Express_Gen_4_x8 = 0xBC,
-    PCI_Express_Gen_4_x16 = 0xBD
-};
-
-enum class SlotDataBusWidth {
-    Other = 0x1,
-    Unknown = 0x2,
-    _8_bit = 0x3,
-    _16_bit = 0x4,
-    _32_bit = 0x5,
-    _64_bit = 0x6,
-    _128_bit = 0x7,
-    _1x_x1 = 0x8,
-    _2x_x2 = 0x9,
-    _4x_x4 = 0xA,
-    _8x_x8 = 0xB,
-    _12x_x12 = 0xC,
-    _16x_x16 = 0xD,
-    _32x_x32 = 0xE
-};
-
-enum class SlotCurrentUsage {
-    Other = 0x1,
-    Unknown = 0x2,
-    Available = 0x3,
-    In_Use = 0x4,
-    Unavailable = 0x5
-};
-
-enum class SlotLength {
-    Other = 0x1,
-    Unknown = 0x2,
-    Short_Length = 0x3,
-    Long_Length = 0x4,
-    _2_5_Drive_Form_Factor = 0x5,
-    _3_5_Drive_Form_Factor = 0x6
-};
-
-enum class SlotCharacteristics1 {
-    Unknown = (1 << 0),
-    Provides_5volt = (1 << 1),
-    Provides_3_3volt = (1 << 2),
-    Shared_Slot = (1 << 3),
-    Support_PC_Card_16 = (1 << 4),
-    Support_CardBus = (1 << 5),
-    Support_Zoom_Video = (1 << 6),
-    Support_Modem_Ring_Resume = (1 << 7)
-};
-
-enum class SlotCharacteristics2 {
-    Support_PCI_PME = (1 << 0),
-    Support_Hot_Plug = (1 << 1),
-    Support_SMBus = (1 << 2),
-    Support_Bifurcation = (1 << 3),
-};
-
-struct [[gnu::packed]] OEMStrings
-{ // Type 11
-    TableHeader h;
-    u8 strings_count;
-};
-
-struct [[gnu::packed]] SysConfigOptions
-{ // Type 12
-    TableHeader h;
-    u8 strings_count;
-};
-
-struct [[gnu::packed]] BIOSLanguageInfo
-{ // Type 13
-    TableHeader h;
-    u8 installable_langs_counts;
-    u8 flags;
-    u8 reserved[15];
-    u8 current_lang_str_number; // String number (one-based) of the currently installed language
-};
-
-struct [[gnu::packed]] GroupAssociations
-{ // Type 14
-    TableHeader h;
-    u8 group_name_str_number;
-    u8 item_type;
-    u16 item_handle;
-};
-
-struct [[gnu::packed]] SysEventLog
-{ // Type 15
-    TableHeader h;
-    u16 log_area_length;
-    u16 log_header_start_offset;
-    u16 log_data_start_offset;
-    u8 access_method;
-    u8 log_status;
-    u32 log_change_token;
-    u32 access_method_address;
-    u8 log_header_format;
-    u8 supported_log_type_descriptors_count;
-    u8 log_type_descriptor_length;
-    u8 supported_event_log_type_descriptor_list[];
-};
-
-struct [[gnu::packed]] PhysicalMemoryArray
-{ // Type 16
-    TableHeader h;
-    u8 location;
-    u8 use;
-    u8 memory_error_correction;
-    u32 max_capacity;
-    u16 memory_error_info_handle;
-    u16 memory_devices_count;
-    u64 ext_max_capacity;
-};
-
-enum class MemoryArrayLocation {
-    Other = 0x1,
-    Unknown = 0x2,
-    Motherboard = 0x3,
-    ISA_addon_card = 0x4,
-    EISA_addon_card = 0x5,
-    PCI_addon_card = 0x6,
-    MCA_addon_card = 0x7,
-    PCMCIA_addon_card = 0x8,
-    Proprietary_addon_card = 0x9,
-    NuBus = 0xA,
-    PC98_C20_addon_card = 0xA0,
-    PC98_C24_addon_card = 0xA1,
-    PC98_E_addon_card = 0xA2,
-    PC98_Local_Bus_addon_card = 0xA3,
-    CXL_Flexbus_1_0_addon_card = 0xA4
-};
-
-enum class MemoryArrayUse {
-    Other = 0x1,
-    Unknown = 0x2,
-    System_Memory = 0x3,
-    Video_Memory = 0x4,
-    Flash_Memory = 0x5,
-    Non_Volatile_RAM = 0x6,
-    Cache_Memory = 0x7
-};
-
-enum class MemoryArrayErrorCorrectionType {
-    Other = 0x1,
-    Unknown = 0x2,
-    None = 0x3,
-    Parity = 0x4,
-    SingleBit_ECC = 0x5,
-    MultiBit_ECC = 0x6,
-    CRC = 0x7
-};
-
-struct [[gnu::packed]] MemoryDevice
-{ // Type 17
-    TableHeader h;
-    u16 physical_memory_array_handle;
-    u16 memory_error_info_handle;
-    u16 total_width;
-    u16 data_width;
-    u16 size;
-    u8 form_factor;
-    u8 device_set;
-    u8 device_locator_str_number;
-    u8 bank_locator_str_number;
-    u8 memory_type;
-    u16 type_detail;
-    u16 speed;
-    u8 manufacturer_str_number;
-    u8 serial_number_str_number;
-    u8 asset_tag_str_number;
-    u8 part_number_str_number;
-    u8 attributes;
-    u32 ext_size;
-    u16 configured_memory_speed;
-    u16 min_voltage;
-    u16 max_voltage;
-    u16 configured_voltage;
-    u8 memory_technology;
-    u16 memory_operating_mode_capability;
-    u8 firmware_version_str_number;
-    u16 module_manufacturer_id;
-    u16 module_product_id;
-    u16 memory_subsystem_controller_manufacturer_id;
-    u16 memory_subsystem_controller_product_id;
-    u64 non_volatile_size;
-    u64 volatile_size;
-    u64 cache_size;
-    u64 logical_size;
-    u32 ext_speed;
-    u32 ext_configured_memory_speed;
-};
-
-enum class MemoryDeviceFormFactor {
-    Other = 0x1,
-    Unknown = 0x2,
-    SIMM = 0x3,
-    SIP = 0x4,
-    Chip = 0x5,
-    DIP = 0x6,
-    ZIP = 0x7,
-    ProprietaryCard = 0x8,
-    DIMM = 0x9,
-    TSOP = 0xA,
-    Chips_Row = 0xB,
-    RIMM = 0xC,
-    SODIMM = 0xD,
-    SRIMM = 0xE,
-    FB_DIMM = 0xF,
-    Die = 0x10
-};
-
-enum class MemoryDeviceType {
-    Other = 0x1,
-    Unknown = 0x2,
-    DRAM = 0x3,
-    EDRAM = 0x4,
-    VRAM = 0x5,
-    SRAM = 0x6,
-    RAM = 0x7,
-    ROM = 0x8,
-    FLASH = 0x9,
-    EEPROM = 0xA,
-    FEPROM = 0xB,
-    EPROM = 0xC,
-    CDRAM = 0xD,
-    _3DRAM = 0xE,
-    SDRAM = 0xF,
-    SGRAM = 0x10,
-    RDRAM = 0x11,
-    DDR = 0x12,
-    DDR2 = 0x13,
-    DDR2_FB_DIMM = 0x14,
-    DDR3 = 0x18,
-    FBD2 = 0x19,
-    DDR4 = 0x1A,
-    LPDDR = 0x1B,
-    LPDDR2 = 0x1C,
-    LPDDR3 = 0x1D,
-    LPDDR4 = 0x1E,
-    Logical_Non_Volatile_Device = 0x1F,
-    HBM = 0x20,  // (High Bandwidth Memory)
-    HBM2 = 0x21, // (High Bandwidth Memory Generation 2)
-};
-
-enum class MemoryDeviceTypeDetail {
-    Other = (1 << 1),
-    Unknown = (1 << 2),
-    Fast_paged = (1 << 3),
-    Static_Column = (1 << 4),
-    Pseudo_Static = (1 << 5),
-    RAMBUS = (1 << 6),
-    Synchronous = (1 << 7),
-    CMOS = (1 << 8),
-    EDO = (1 << 9),
-    Window_DRAM = (1 << 10),
-    Cache_DRAM = (1 << 11),
-    Non_volatile = (1 << 12),
-    Registered_Buffered = (1 << 13),
-    Unbuffered_Unregistered = (1 << 14),
-    LRDIMM = (1 << 15)
-};
-
-enum class MemoryDeviceTechnology {
-    Other = 0x1,
-    Unknown = 0x2,
-    DRAM = 0x3,
-    NVDIMM_N = 0x4,
-    NVDIMM_F = 0x5,
-    NVDIMM_P = 0x6,
-    Intel_Optane_DC_Persistent_Memory = 0x7
-};
-
-enum class MemoryDeviceOperatingModeCapability {
-    Other = (1 << 1),
-    Unknown = (1 << 2),
-    Volatile_Memory = (1 << 3),
-    Byte_accessible_persistent_memory = (1 << 4),
-    Block_accessible_persistent_memory = (1 << 5),
-};
-
-struct MemoryErrorInfo32Bit { // Type 18
-    TableHeader h;
-    u8 error_type;
-    u8 error_granularity;
-    u8 error_operation;
-    u32 vendor_syndrome;
-    u32 memory_array_error_address;
-    u32 device_error_address;
-    u32 error_resolution;
-};
-
-enum class MemoryErrorType {
-    Other = 0x1,
-    Unknown = 0x2,
-    OK = 0x3,
-    Bad_read = 0x4,
-    Parity_error = 0x5,
-    SingleBit_error = 0x6,
-    DoubleBit_error = 0x7,
-    MultiBit_error = 0x8,
-    Nibble_error = 0x9,
-    Checksum_error = 0xA,
-    CRC_error = 0xB,
-    Corrected_SingleBit_error = 0xC,
-    Corrected_error = 0xD,
-    Uncorrectable_error = 0xE
-};
-
-enum class MemoryErrorGranularity {
-    Other = 0x1,
-    Unknown = 0x2,
-    Device_level = 0x3,
-    Memory_partition_level = 0x4
-};
-
-enum class MemoryErrorOperation {
-    Other = 0x1,
-    Unknown = 0x2,
-    Read = 0x3,
-    Write = 0x4,
-    Partial_Write = 0x5
-};
-
-struct [[gnu::packed]] MemoryArrayMappedAddress
-{ // Type 19
-    TableHeader h;
-    u32 starting_address;
-    u32 ending_address;
-    u16 memory_array_handle;
-    u8 partition_width;
-    u64 ext_starting_address;
-    u64 ext_ending_address;
-};
-
-struct [[gnu::packed]] MemoryDeviceMappedAddress
-{ // Type 20
-    TableHeader h;
-    u32 starting_address;
-    u32 ending_address;
-    u16 memory_device_handle;
-    u16 memory_array_mapped_handle;
-    u8 partition_row_position;
-    u8 interleave_position;
-    u8 interleaved_data_depth;
-    u64 ext_starting_address;
-    u64 ext_ending_address;
-};
-
-struct [[gnu::packed]] BuiltinPointingDevice
-{ // Type 21
-    TableHeader h;
-    u8 type;
-    u8 interface;
-    u8 buttons_count;
-};
-
-enum class PointingDeviceType {
-    Other = 0x1,
-    Unknown = 0x2,
-    Mouse = 0x3,
-    Track_Ball = 0x4,
-    Track_Point = 0x5,
-    Glide_Point = 0x6,
-    Touch_Pad = 0x7,
-    Touch_Screen = 0x8,
-    Optical_Sensor = 0x9
-};
-
-enum class PointingDeviceInterface {
-    Other = 0x1,
-    Unknown = 0x2,
-    Serial = 0x3,
-    PS2 = 0x4,
-    Infrared = 0x5,
-    HP_HIL = 0x6,
-    Bus_mouse = 0x7,
-    AppleDesktopBus = 0x8,
-    Bus_mouse_DB9 = 0xA0,
-    Bus_mouse_microDIN = 0xA1,
-    USB = 0xA2
-};
-
-struct [[gnu::packed]] PortableBattery
-{ // Type 22
-    TableHeader h;
-    u8 location_str_number;
-    u8 manufacturer_str_number;
-    u8 manufacture_date_str_number;
-    u8 serial_number_str_number;
-    u8 device_name_str_number;
-    u8 device_chemistry;
-    u16 design_capacity;
-    u16 design_voltage;
-    u8 sbds_version_number;
-    u8 max_error_battery_data;
-    u16 sbds_serial_number;
-    u16 sbds_manufacture_date;
-    u8 sbds_device_chemistry_str_number;
-    u8 design_capacity_multiplier;
-    u32 oem_specific;
-};
-
-enum class PortableBatteryChemistry {
-    Other = 0x1,
-    Unknown = 0x2,
-    Lead_Acid = 0x3,
-    Nickel_Cadmium = 0x4,
-    Nickel_metal_hydride = 0x5,
-    Lithium_ion = 0x6,
-    Zinc_air = 0x7,
-    Lithium_polymer = 0x8
-};
-
-struct [[gnu::packed]] SysReset
-{ // Type 23
-    TableHeader h;
-    u8 capabilities;
-    u16 reset_count;
-    u16 reset_limit;
-    u16 timer_interval;
-    u16 timeout;
-};
-
-struct [[gnu::packed]] HardwareSecurity
-{ // Type 24
-    TableHeader h;
-    u8 hardware_security_settings;
-};
-
-struct [[gnu::packed]] SysPowerControls
-{ // Type 25
-    TableHeader h;
-    u8 next_scheduled_power_on_month;
-    u8 next_scheduled_power_on_day_of_month;
-    u8 next_scheduled_power_on_hour;
-    u8 next_scheduled_power_on_minute;
-    u8 next_scheduled_power_on_second;
-};
-
-struct [[gnu::packed]] VoltageProbe
-{ // Type 26
-    TableHeader h;
-    u8 description_str_number;
-    u8 location_and_status;
-    u16 max_value;
-    u16 min_value;
-    u16 resolution;
-    u16 tolerance;
-    u16 accuracy;
-    u32 oem_defined;
-    u16 nominal_value;
-};
-
-struct [[gnu::packed]] CoolingDevice
-{ // Type 27
-    TableHeader h;
-    u16 temperature_probe_handle;
-    u8 device_type_and_status;
-    u8 cooling_unit_group;
-    u32 oem_defined;
-    u16 nominal_speed;
-    u8 description_str_number;
-};
-
-struct [[gnu::packed]] TemperatureProbe
-{ // Type 28
-    TableHeader h;
-    u8 description_str_number;
-    u8 location_and_status;
-    u16 max_value;
-    u16 min_value;
-    u16 resolution;
-    u16 tolerance;
-    u16 accuracy;
-    u32 oem_defined;
-    u16 nominal_value;
-};
-
-struct [[gnu::packed]] ElectricalCurrentProbe
-{ // Type 29
-    TableHeader h;
-    u8 description_str_number;
-    u8 location_and_status;
-    u16 max_value;
-    u16 min_value;
-    u16 resolution;
-    u16 tolerance;
-    u16 accuracy;
-    u32 oem_defined;
-    u16 nominal_value;
-};
-
-struct [[gnu::packed]] OutOfBandRemoteAccess
-{ // Type 30
-    TableHeader h;
-    u8 manufacturer_name_str_number;
-    u8 connections;
-};
-
-struct [[gnu::packed]] SystemBootInfo
-{ // Type 32
-    TableHeader h;
-    u8 reserved[6];
-    u8 boot_status[10];
-};
-
-struct [[gnu::packed]] MemoryErrorInfo64Bit
-{ // Type 33
-    TableHeader h;
-    u8 error_type;
-    u8 error_granularity;
-    u8 error_operation;
-    u32 vendor_syndrome;
-    u64 memory_array_error_address;
-    u64 device_error_address;
-    u32 error_resolution;
-};
-
-struct [[gnu::packed]] ManagementDevice
-{ // Type 34
-    TableHeader h;
-    u8 description_str_number;
-    u8 type;
-    u32 address;
-    u8 address_type;
-};
-
-enum class ManagementDeviceType {
-    Other = 0x1,
-    Unknown = 0x2,
-    LM75 = 0x3,
-    LM78 = 0x4,
-    LM79 = 0x5,
-    LM80 = 0x6,
-    LM81 = 0x7,
-    ADM9240 = 0x8,
-    DS1780 = 0x9,
-    Maxim_1617 = 0xA,
-    GL518SM = 0xB, // Genesys GL518SM
-    W83781D = 0xC, // Winbond W83781D
-    HT82H791 = 0xD // Holtek HT82H791
-};
-
-enum class ManagementDeviceAddressType {
-    Other = 0x1,
-    Unknown = 0x2,
-    IO_Port = 0x3,
-    Memory = 0x4,
-    SMBus = 0x5
-};
-
-struct [[gnu::packed]] ManagementDeviceComponent
-{ // Type 35
-    TableHeader h;
-    u8 description_str_number;
-    u16 management_device_handle;
-    u16 component_handle;
-    u16 threshold_handle;
-};
-
-struct [[gnu::packed]] ManagementDeviceThresholdData
-{ // Type 36
-    TableHeader h;
-    u16 lower_threshold_non_critical;
-    u16 upper_threshold_non_critical;
-    u16 lower_threshold_critical;
-    u16 upper_threshold_critical;
-    u16 lower_threshold_non_recoverable;
-    u16 upper_threshold_non_recoverable;
-};
-
-struct [[gnu::packed]] MemoryDeviceDescriptor
-{
-    u8 device_load;
-    u16 device_handle;
-};
-
-struct [[gnu::packed]] MemoryChannel
-{ // Type 37
-    TableHeader h;
-    u8 channel_type;
-    u8 memory_device_count;
-    MemoryDeviceDescriptor memory_devices_descriptors[];
-};
-
-enum class MemroryChannelType {
-    Other = 0x1,
-    Unknown = 0x2,
-    RamBus = 0x3,
-    SyncLink = 0x4
-};
-
-struct [[gnu::packed]] IPMIDeviceInfo
-{ // Type 38
-    TableHeader h;
-    u8 interface_type;
-    u8 ipmi_spec_revision;
-    u8 i2c_slave_address;
-    u8 nv_storage_device_address;
-    u64 base_address;
-    u8 base_address_modifier;
-    u8 interrupt_number;
-};
-
-enum class IPMIDeviceInfoBMCInterfaceType {
-    Unknown = 0x1,
-    KCS = 0x2,  // KCS: Keyboard Controller Style
-    SMIC = 0x3, // SMIC: Server Management Interface Chip
-    BT = 0x4,   // BT: Block Transfer
-    SSIF = 0x5  // SSIF: SMBus System Interface
-};
-
-struct [[gnu::packed]] SysPowerSupply
-{ // Type 39
-    TableHeader h;
-    u8 power_unit_group;
-    u8 location_str_number;
-    u8 device_name_str_number;
-    u8 manufacturer_str_number;
-    u8 serial_number_str_number;
-    u8 asset_tag_number_str_number;
-    u8 model_part_number_str_number;
-    u8 revision_level_str_number;
-    u16 max_power_capacity;
-    u16 power_supply_characteristics;
-    u16 input_voltage_probe_handle;
-    u16 cooling_device_handle;
-    u16 input_current_probe_handle;
-};
-
-struct [[gnu::packed]] AdditionalInfoEntry
-{
-    u8 entry_length;
-    u16 referenced_handle;
-    u8 referenced_offset;
-    u8 string_number;
-    u8 value[];
-};
-
-struct [[gnu::packed]] AdditionalInfo
-{ // Type 40
-    TableHeader h;
-    u8 additional_info_entries_count;
-    AdditionalInfoEntry entries[];
-};
-
-struct [[gnu::packed]] OnboardDevicesExtendedInfo
-{ // Type 41
-    TableHeader h;
-    u8 reference_designation_str_number;
-    u8 device_type;
-    u8 device_type_instance;
-    u16 segment_group_number;
-    u8 bus_number;
-    u8 device_function_number;
-};
-
-enum class OnboardDeviceType {
-    Other = 0x1,
-    Unknown = 0x2,
-    Video = 0x3,
-    SCSI_Controller = 0x4,
-    Ethernet = 0x5,
-    Token_Ring = 0x6,
-    Sound = 0x7,
-    PATA_Controller = 0x8,
-    SATA_Controller = 0x9,
-    SAS_Controller = 0xA
-};
-
-struct [[gnu::packed]] ManagementControllerHostInterface
-{ // Type 42
-    TableHeader h;
-    u8 interface_type;
-    u8 interface_type_specific_data_length;
-    u8 interface_type_specific_data[];
-};
-
-struct [[gnu::packed]] ProtocolRecordData
-{
-    u8 protocol_type;
-    u8 protocol_type_specific_data_length;
-    u8 protocol_type_specific_data[];
-};
-
-struct [[gnu::packed]] ExtManagementControllerHostInterface
-{ // Type 42 Ext
-    u8 protocol_records_count;
-    ProtocolRecordData protocol_records[];
-};
-
-enum class ManagementControllerHostInterfaceProtocolType {
-    IPMI = 0x2,
-    MCTP = 0x3,
-    RedfishOverIP = 0x4
-};
-
-struct [[gnu::packed]] TPMDevice
-{ // Type 43
-    TableHeader h;
-    char vendor_id[4];
-    u8 major_spec_version;
-    u8 minor_spec_version;
-    u32 firmware_version_1;
-    u32 firmware_version_2;
-    u8 description_str_number;
-    u64 characteristics;
-    u32 oem_defined;
-};
-
-enum class TPMDeviceCharacteristics {
-    Characteristics_not_supported = (1 << 2),
-    Family_Configurable_1 = (1 << 3), // Family configurable via firmware update; for example, switching between TPM 1.2 and TPM 2.0.
-    Family_Configurable_2 = (1 << 4), // Family configurable via platform software support, such as BIOS Setup; for example, switching between TPM 1.2 and TPM 2.0.
-    Family_Configurable_3 = (1 << 5), // Family configurable via OEM proprietary mechanism; for example, switching between TPM 1.2 and TPM 2.0.
-};
-
-struct [[gnu::packed]] ProcessorSpecificBlock
-{
-    u8 block_length;
-    u8 processor_type;
-    u8 processor_specific_data[];
-};
-
-struct [[gnu::packed]] ProcessorAdditionalInfo
-{ // Type 44
-    TableHeader h;
-    u16 referenced_handle;
-    ProcessorSpecificBlock blocks[];
-};
-
-enum class ProcessorArchitectureType {
-    IA32 = 0x1,
-    x86_64 = 0x2,
-    Itanium = 0x3,
-    ARM32bit = 0x4,
-    ARM64bit = 0x5,
-    RISC_V_32bit = 0x6,
-    RISC_V_64bit = 0x7,
-    RISC_V_128bit = 0x8
-};
-
-struct [[gnu::packed]] Inactive
-{ // Type 126
-    TableHeader h;
-};
-
-struct [[gnu::packed]] EndOfTable
-{ // Type 127
-    TableHeader h;
-};
-}
-
-class DMIDecoder {
-public:
-    static DMIDecoder& the();
-    static void initialize();
-    static void initialize_untrusted();
-    Vector<SMBIOS::PhysicalMemoryArray*>& get_physical_memory_areas();
-    bool is_reliable();
-    u64 get_bios_characteristics();
-
-private:
-    void enumerate_smbios_tables();
-    PhysicalAddress get_next_physical_table(PhysicalAddress p_table);
-    PhysicalAddress get_smbios_physical_table_by_handle(u16 handle);
-    PhysicalAddress get_smbios_physical_table_by_type(u8 table_type);
-    char* get_smbios_string(PhysicalAddress, u8 string_number);
-    size_t get_table_size(PhysicalAddress);
-
-    explicit DMIDecoder(bool trusted);
-    void initialize_parser();
-
-    void set_64_bit_entry_initialization_values(PhysicalAddress);
-    void set_32_bit_entry_initialization_values(PhysicalAddress);
-
-    PhysicalAddress find_entry32bit_point();
-    PhysicalAddress find_entry64bit_point();
-
-    PhysicalAddress m_entry32bit_point;
-    PhysicalAddress m_entry64bit_point;
-    PhysicalAddress m_structure_table;
-    u32 m_structures_count;
-    u32 m_table_length;
-    bool m_use_64bit_entry;
-    bool m_operable;
-    bool m_untrusted;
-
-    SinglyLinkedList<PhysicalAddress> m_smbios_tables;
-};
-
-}
diff --git a/Kernel/CMakeLists.txt b/Kernel/CMakeLists.txt
index 1e5797c790..c6e8fc24dc 100644
--- a/Kernel/CMakeLists.txt
+++ b/Kernel/CMakeLists.txt
@@ -1,5 +1,4 @@
 set(KERNEL_SOURCES
-    ACPI/DMIDecoder.cpp
     ACPI/DynamicParser.cpp
     ACPI/Initialize.cpp
     ACPI/MultiProcessorParser.cpp
diff --git a/Kernel/init.cpp b/Kernel/init.cpp
index 7e9006d8cd..dc82ec79f3 100644
--- a/Kernel/init.cpp
+++ b/Kernel/init.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/Types.h>
-#include <Kernel/ACPI/DMIDecoder.h>
 #include <Kernel/ACPI/DynamicParser.h>
 #include <Kernel/ACPI/Initialize.h>
 #include <Kernel/ACPI/MultiProcessorParser.h>
@@ -229,13 +228,6 @@ void init_stage2()
     new SB16;
     VMWareBackdoor::initialize();
 
-    bool dmi_unreliable = kernel_command_line().contains("dmi_unreliable");
-    if (dmi_unreliable) {
-        DMIDecoder::initialize_untrusted();
-    } else {
-        DMIDecoder::initialize();
-    }
-
     bool force_pio = kernel_command_line().contains("force_pio");
 
     auto root = kernel_command_line().lookup("root").value_or("/dev/hda");