diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 293d9647b8..16ddb5e909 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -712,22 +712,23 @@ add_library(core STATIC
     hle/service/server_manager.h
     hle/service/service.cpp
     hle/service/service.h
-    hle/service/set/appln_settings.cpp
-    hle/service/set/appln_settings.h
-    hle/service/set/device_settings.cpp
-    hle/service/set/device_settings.h
+    hle/service/set/setting_formats/appln_settings.cpp
+    hle/service/set/setting_formats/appln_settings.h
+    hle/service/set/setting_formats/device_settings.cpp
+    hle/service/set/setting_formats/device_settings.h
+    hle/service/set/setting_formats/system_settings.cpp
+    hle/service/set/setting_formats/system_settings.h
+    hle/service/set/setting_formats/private_settings.cpp
+    hle/service/set/setting_formats/private_settings.h
     hle/service/set/factory_settings_server.cpp
     hle/service/set/factory_settings_server.h
     hle/service/set/firmware_debug_settings_server.cpp
     hle/service/set/firmware_debug_settings_server.h
-    hle/service/set/private_settings.cpp
-    hle/service/set/private_settings.h
     hle/service/set/settings.cpp
     hle/service/set/settings.h
     hle/service/set/settings_server.cpp
     hle/service/set/settings_server.h
-    hle/service/set/system_settings.cpp
-    hle/service/set/system_settings.h
+    hle/service/set/settings_types.h
     hle/service/set/system_settings_server.cpp
     hle/service/set/system_settings_server.h
     hle/service/sm/sm.cpp
diff --git a/src/core/hle/service/set/private_settings.h b/src/core/hle/service/set/private_settings.h
deleted file mode 100644
index b63eaf45c2..0000000000
--- a/src/core/hle/service/set/private_settings.h
+++ /dev/null
@@ -1,72 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <array>
-
-#include "common/bit_field.h"
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/uuid.h"
-#include "core/hle/service/time/clock_types.h"
-
-namespace Service::Set {
-
-/// This is nn::settings::system::InitialLaunchFlag
-struct InitialLaunchFlag {
-    union {
-        u32 raw{};
-
-        BitField<0, 1, u32> InitialLaunchCompletionFlag;
-        BitField<8, 1, u32> InitialLaunchUserAdditionFlag;
-        BitField<16, 1, u32> InitialLaunchTimestampFlag;
-    };
-};
-static_assert(sizeof(InitialLaunchFlag) == 4, "InitialLaunchFlag is an invalid size");
-
-/// This is nn::settings::system::InitialLaunchSettings
-struct InitialLaunchSettings {
-    InitialLaunchFlag flags;
-    INSERT_PADDING_BYTES(0x4);
-    Service::Time::Clock::SteadyClockTimePoint timestamp;
-};
-static_assert(sizeof(InitialLaunchSettings) == 0x20, "InitialLaunchSettings is incorrect size");
-
-#pragma pack(push, 4)
-struct InitialLaunchSettingsPacked {
-    InitialLaunchFlag flags;
-    Service::Time::Clock::SteadyClockTimePoint timestamp;
-};
-#pragma pack(pop)
-static_assert(sizeof(InitialLaunchSettingsPacked) == 0x1C,
-              "InitialLaunchSettingsPacked is incorrect size");
-
-struct PrivateSettings {
-    std::array<u8, 0x10> reserved_00;
-
-    // nn::settings::system::InitialLaunchSettings
-    InitialLaunchSettings initial_launch_settings;
-
-    std::array<u8, 0x20> reserved_30;
-
-    Common::UUID external_clock_source_id;
-    s64 shutdown_rtc_value;
-    s64 external_steady_clock_internal_offset;
-
-    std::array<u8, 0x60> reserved_70;
-
-    // nn::settings::system::PlatformRegion
-    std::array<u8, 0x4> platform_region;
-
-    std::array<u8, 0x4> reserved_D4;
-};
-static_assert(offsetof(PrivateSettings, initial_launch_settings) == 0x10);
-static_assert(offsetof(PrivateSettings, external_clock_source_id) == 0x50);
-static_assert(offsetof(PrivateSettings, reserved_70) == 0x70);
-static_assert(offsetof(PrivateSettings, platform_region) == 0xD0);
-static_assert(sizeof(PrivateSettings) == 0xD8, "PrivateSettings has the wrong size!");
-
-PrivateSettings DefaultPrivateSettings();
-
-} // namespace Service::Set
diff --git a/src/core/hle/service/set/appln_settings.cpp b/src/core/hle/service/set/setting_formats/appln_settings.cpp
similarity index 77%
rename from src/core/hle/service/set/appln_settings.cpp
rename to src/core/hle/service/set/setting_formats/appln_settings.cpp
index a5d802757a..566ee1b13f 100644
--- a/src/core/hle/service/set/appln_settings.cpp
+++ b/src/core/hle/service/set/setting_formats/appln_settings.cpp
@@ -1,7 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "core/hle/service/set/appln_settings.h"
+#include "core/hle/service/set/setting_formats/appln_settings.h"
 
 namespace Service::Set {
 
diff --git a/src/core/hle/service/set/appln_settings.h b/src/core/hle/service/set/setting_formats/appln_settings.h
similarity index 71%
rename from src/core/hle/service/set/appln_settings.h
rename to src/core/hle/service/set/setting_formats/appln_settings.h
index 1263758604..ba9af998ab 100644
--- a/src/core/hle/service/set/appln_settings.h
+++ b/src/core/hle/service/set/setting_formats/appln_settings.h
@@ -7,24 +7,23 @@
 #include <cstddef>
 
 #include "common/common_types.h"
+#include "common/uuid.h"
+#include "core/hle/service/set/settings_types.h"
 
 namespace Service::Set {
 struct ApplnSettings {
-    std::array<u8, 0x10> reserved_000;
+    INSERT_PADDING_BYTES(0x10); // Reserved
 
     // nn::util::Uuid MiiAuthorId, copied from system settings 0x94B0
-    std::array<u8, 0x10> mii_author_id;
-
-    std::array<u8, 0x30> reserved_020;
+    Common::UUID mii_author_id;
+    INSERT_PADDING_BYTES(0x30); // Reserved
 
     // nn::settings::system::ServiceDiscoveryControlSettings
-    std::array<u8, 0x4> service_discovery_control_settings;
-
-    std::array<u8, 0x20> reserved_054;
+    u32 service_discovery_control_settings;
+    INSERT_PADDING_BYTES(0x20); // Reserved
 
     bool in_repair_process_enable_flag;
-
-    std::array<u8, 0x3> pad_075;
+    INSERT_PADDING_BYTES(0x3);
 };
 static_assert(offsetof(ApplnSettings, mii_author_id) == 0x10);
 static_assert(offsetof(ApplnSettings, service_discovery_control_settings) == 0x50);
diff --git a/src/core/hle/service/set/device_settings.cpp b/src/core/hle/service/set/setting_formats/device_settings.cpp
similarity index 77%
rename from src/core/hle/service/set/device_settings.cpp
rename to src/core/hle/service/set/setting_formats/device_settings.cpp
index e423ce38ae..5f295404d9 100644
--- a/src/core/hle/service/set/device_settings.cpp
+++ b/src/core/hle/service/set/setting_formats/device_settings.cpp
@@ -1,7 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "core/hle/service/set/device_settings.h"
+#include "core/hle/service/set/setting_formats/device_settings.h"
 
 namespace Service::Set {
 
diff --git a/src/core/hle/service/set/device_settings.h b/src/core/hle/service/set/setting_formats/device_settings.h
similarity index 82%
rename from src/core/hle/service/set/device_settings.h
rename to src/core/hle/service/set/setting_formats/device_settings.h
index f291d0ebe0..2827756f6a 100644
--- a/src/core/hle/service/set/device_settings.h
+++ b/src/core/hle/service/set/setting_formats/device_settings.h
@@ -7,10 +7,12 @@
 #include <cstddef>
 
 #include "common/common_types.h"
+#include "common/vector_math.h"
+#include "core/hle/service/set/settings_types.h"
 
 namespace Service::Set {
 struct DeviceSettings {
-    std::array<u8, 0x10> reserved_000;
+    INSERT_PADDING_BYTES(0x10); // Reserved
 
     // nn::settings::BatteryLot
     std::array<u8, 0x18> ptm_battery_lot;
@@ -19,26 +21,24 @@ struct DeviceSettings {
     u8 ptm_battery_version;
     // nn::settings::system::PtmCycleCountReliability
     u32 ptm_cycle_count_reliability;
-
-    std::array<u8, 0x48> reserved_048;
+    INSERT_PADDING_BYTES(0x48); // Reserved
 
     // nn::settings::system::AnalogStickUserCalibration L
     std::array<u8, 0x10> analog_user_stick_calibration_l;
     // nn::settings::system::AnalogStickUserCalibration R
     std::array<u8, 0x10> analog_user_stick_calibration_r;
-
-    std::array<u8, 0x20> reserved_0B0;
+    INSERT_PADDING_BYTES(0x20); // Reserved
 
     // nn::settings::system::ConsoleSixAxisSensorAccelerationBias
-    std::array<u8, 0xC> console_six_axis_sensor_acceleration_bias;
+    Common::Vec3<f32> console_six_axis_sensor_acceleration_bias;
     // nn::settings::system::ConsoleSixAxisSensorAngularVelocityBias
-    std::array<u8, 0xC> console_six_axis_sensor_angular_velocity_bias;
+    Common::Vec3<f32> console_six_axis_sensor_angular_velocity_bias;
     // nn::settings::system::ConsoleSixAxisSensorAccelerationGain
     std::array<u8, 0x24> console_six_axis_sensor_acceleration_gain;
     // nn::settings::system::ConsoleSixAxisSensorAngularVelocityGain
     std::array<u8, 0x24> console_six_axis_sensor_angular_velocity_gain;
     // nn::settings::system::ConsoleSixAxisSensorAngularVelocityTimeBias
-    std::array<u8, 0xC> console_six_axis_sensor_angular_velocity_time_bias;
+    Common::Vec3<f32> console_six_axis_sensor_angular_velocity_time_bias;
     // nn::settings::system::ConsoleSixAxisSensorAngularAcceleration
     std::array<u8, 0x24> console_six_axis_sensor_angular_acceleration;
 };
diff --git a/src/core/hle/service/set/private_settings.cpp b/src/core/hle/service/set/setting_formats/private_settings.cpp
similarity index 77%
rename from src/core/hle/service/set/private_settings.cpp
rename to src/core/hle/service/set/setting_formats/private_settings.cpp
index 70bf657272..81c3624826 100644
--- a/src/core/hle/service/set/private_settings.cpp
+++ b/src/core/hle/service/set/setting_formats/private_settings.cpp
@@ -1,7 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "core/hle/service/set/private_settings.h"
+#include "core/hle/service/set/setting_formats/private_settings.h"
 
 namespace Service::Set {
 
diff --git a/src/core/hle/service/set/setting_formats/private_settings.h b/src/core/hle/service/set/setting_formats/private_settings.h
new file mode 100644
index 0000000000..6c40f62e12
--- /dev/null
+++ b/src/core/hle/service/set/setting_formats/private_settings.h
@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+#include "common/uuid.h"
+#include "core/hle/service/set/settings_types.h"
+#include "core/hle/service/time/clock_types.h"
+
+namespace Service::Set {
+
+struct PrivateSettings {
+    INSERT_PADDING_BYTES(0x10); // Reserved
+
+    InitialLaunchSettings initial_launch_settings;
+    INSERT_PADDING_BYTES(0x20); // Reserved
+
+    Common::UUID external_clock_source_id;
+    s64 shutdown_rtc_value;
+    s64 external_steady_clock_internal_offset;
+    INSERT_PADDING_BYTES(0x60); // Reserved
+
+    // nn::settings::system::PlatformRegion
+    s32 platform_region;
+    INSERT_PADDING_BYTES(0x4); // Reserved
+};
+static_assert(offsetof(PrivateSettings, initial_launch_settings) == 0x10);
+static_assert(offsetof(PrivateSettings, external_clock_source_id) == 0x50);
+static_assert(offsetof(PrivateSettings, shutdown_rtc_value) == 0x60);
+static_assert(offsetof(PrivateSettings, external_steady_clock_internal_offset) == 0x68);
+static_assert(offsetof(PrivateSettings, platform_region) == 0xD0);
+static_assert(sizeof(PrivateSettings) == 0xD8, "PrivateSettings has the wrong size!");
+
+PrivateSettings DefaultPrivateSettings();
+
+} // namespace Service::Set
diff --git a/src/core/hle/service/set/system_settings.cpp b/src/core/hle/service/set/setting_formats/system_settings.cpp
similarity index 95%
rename from src/core/hle/service/set/system_settings.cpp
rename to src/core/hle/service/set/setting_formats/system_settings.cpp
index 5977429b27..4e524c0de4 100644
--- a/src/core/hle/service/set/system_settings.cpp
+++ b/src/core/hle/service/set/setting_formats/system_settings.cpp
@@ -1,7 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "core/hle/service/set/system_settings.h"
+#include "core/hle/service/set/setting_formats/system_settings.h"
 
 namespace Service::Set {
 
diff --git a/src/core/hle/service/set/system_settings.h b/src/core/hle/service/set/setting_formats/system_settings.h
similarity index 53%
rename from src/core/hle/service/set/system_settings.h
rename to src/core/hle/service/set/setting_formats/system_settings.h
index 6ec9e71e70..14654f8b12 100644
--- a/src/core/hle/service/set/system_settings.h
+++ b/src/core/hle/service/set/setting_formats/system_settings.h
@@ -8,272 +8,14 @@
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
-#include "core/hle/service/set/private_settings.h"
+#include "common/uuid.h"
+#include "common/vector_math.h"
+#include "core/hle/service/set/setting_formats/private_settings.h"
+#include "core/hle/service/set/settings_types.h"
 #include "core/hle/service/time/clock_types.h"
 
 namespace Service::Set {
 
-/// This is "nn::settings::LanguageCode", which is a NUL-terminated string stored in a u64.
-enum class LanguageCode : u64 {
-    JA = 0x000000000000616A,
-    EN_US = 0x00000053552D6E65,
-    FR = 0x0000000000007266,
-    DE = 0x0000000000006564,
-    IT = 0x0000000000007469,
-    ES = 0x0000000000007365,
-    ZH_CN = 0x0000004E432D687A,
-    KO = 0x0000000000006F6B,
-    NL = 0x0000000000006C6E,
-    PT = 0x0000000000007470,
-    RU = 0x0000000000007572,
-    ZH_TW = 0x00000057542D687A,
-    EN_GB = 0x00000042472D6E65,
-    FR_CA = 0x00000041432D7266,
-    ES_419 = 0x00003931342D7365,
-    ZH_HANS = 0x00736E61482D687A,
-    ZH_HANT = 0x00746E61482D687A,
-    PT_BR = 0x00000052422D7470,
-};
-
-/// This is nn::settings::system::ErrorReportSharePermission
-enum class ErrorReportSharePermission : u32 {
-    NotConfirmed,
-    Granted,
-    Denied,
-};
-
-/// This is nn::settings::system::ChineseTraditionalInputMethod
-enum class ChineseTraditionalInputMethod : u32 {
-    Unknown0 = 0,
-    Unknown1 = 1,
-    Unknown2 = 2,
-};
-
-/// This is nn::settings::system::HomeMenuScheme
-struct HomeMenuScheme {
-    u32 main;
-    u32 back;
-    u32 sub;
-    u32 bezel;
-    u32 extra;
-};
-static_assert(sizeof(HomeMenuScheme) == 0x14, "HomeMenuScheme is incorrect size");
-
-/// Indicates the current theme set by the system settings
-enum class ColorSet : u32 {
-    BasicWhite = 0,
-    BasicBlack = 1,
-};
-
-/// Indicates the current console is a retail or kiosk unit
-enum class QuestFlag : u8 {
-    Retail = 0,
-    Kiosk = 1,
-};
-
-/// This is nn::settings::system::RegionCode
-enum class RegionCode : u32 {
-    Japan,
-    Usa,
-    Europe,
-    Australia,
-    HongKongTaiwanKorea,
-    China,
-};
-
-/// This is nn::settings::system::AccountSettings
-struct AccountSettings {
-    u32 flags;
-};
-static_assert(sizeof(AccountSettings) == 4, "AccountSettings is an invalid size");
-
-/// This is nn::settings::system::NotificationVolume
-enum class NotificationVolume : u32 {
-    Mute,
-    Low,
-    High,
-};
-
-/// This is nn::settings::system::NotificationFlag
-struct NotificationFlag {
-    union {
-        u32 raw{};
-
-        BitField<0, 1, u32> RingtoneFlag;
-        BitField<1, 1, u32> DownloadCompletionFlag;
-        BitField<8, 1, u32> EnablesNews;
-        BitField<9, 1, u32> IncomingLampFlag;
-    };
-};
-static_assert(sizeof(NotificationFlag) == 4, "NotificationFlag is an invalid size");
-
-/// This is nn::settings::system::NotificationTime
-struct NotificationTime {
-    u32 hour;
-    u32 minute;
-};
-static_assert(sizeof(NotificationTime) == 0x8, "NotificationTime is an invalid size");
-
-/// This is nn::settings::system::NotificationSettings
-struct NotificationSettings {
-    NotificationFlag flags;
-    NotificationVolume volume;
-    NotificationTime start_time;
-    NotificationTime stop_time;
-};
-static_assert(sizeof(NotificationSettings) == 0x18, "NotificationSettings is an invalid size");
-
-/// This is nn::settings::system::AccountNotificationFlag
-struct AccountNotificationFlag {
-    union {
-        u32 raw{};
-
-        BitField<0, 1, u32> FriendOnlineFlag;
-        BitField<1, 1, u32> FriendRequestFlag;
-        BitField<8, 1, u32> CoralInvitationFlag;
-    };
-};
-static_assert(sizeof(AccountNotificationFlag) == 4, "AccountNotificationFlag is an invalid size");
-
-/// This is nn::settings::system::FriendPresenceOverlayPermission
-enum class FriendPresenceOverlayPermission : u8 {
-    NotConfirmed,
-    NoDisplay,
-    FavoriteFriends,
-    Friends,
-};
-
-/// This is nn::settings::system::AccountNotificationSettings
-struct AccountNotificationSettings {
-    Common::UUID uid;
-    AccountNotificationFlag flags;
-    FriendPresenceOverlayPermission friend_presence_permission;
-    FriendPresenceOverlayPermission friend_invitation_permission;
-    INSERT_PADDING_BYTES(0x2);
-};
-static_assert(sizeof(AccountNotificationSettings) == 0x18,
-              "AccountNotificationSettings is an invalid size");
-
-/// This is nn::settings::system::TvFlag
-struct TvFlag {
-    union {
-        u32 raw{};
-
-        BitField<0, 1, u32> Allows4k;
-        BitField<1, 1, u32> Allows3d;
-        BitField<2, 1, u32> AllowsCec;
-        BitField<3, 1, u32> PreventsScreenBurnIn;
-    };
-};
-static_assert(sizeof(TvFlag) == 4, "TvFlag is an invalid size");
-
-/// This is nn::settings::system::TvResolution
-enum class TvResolution : u32 {
-    Auto,
-    Resolution1080p,
-    Resolution720p,
-    Resolution480p,
-};
-
-/// This is nn::settings::system::HdmiContentType
-enum class HdmiContentType : u32 {
-    None,
-    Graphics,
-    Cinema,
-    Photo,
-    Game,
-};
-
-/// This is nn::settings::system::RgbRange
-enum class RgbRange : u32 {
-    Auto,
-    Full,
-    Limited,
-};
-
-/// This is nn::settings::system::CmuMode
-enum class CmuMode : u32 {
-    None,
-    ColorInvert,
-    HighContrast,
-    GrayScale,
-};
-
-/// This is nn::settings::system::TvSettings
-struct TvSettings {
-    TvFlag flags;
-    TvResolution tv_resolution;
-    HdmiContentType hdmi_content_type;
-    RgbRange rgb_range;
-    CmuMode cmu_mode;
-    u32 tv_underscan;
-    f32 tv_gama;
-    f32 contrast_ratio;
-};
-static_assert(sizeof(TvSettings) == 0x20, "TvSettings is an invalid size");
-
-/// This is nn::settings::system::PrimaryAlbumStorage
-enum class PrimaryAlbumStorage : u32 {
-    Nand,
-    SdCard,
-};
-
-/// This is nn::settings::system::HandheldSleepPlan
-enum class HandheldSleepPlan : u32 {
-    Sleep1Min,
-    Sleep3Min,
-    Sleep5Min,
-    Sleep10Min,
-    Sleep30Min,
-    Never,
-};
-
-/// This is nn::settings::system::ConsoleSleepPlan
-enum class ConsoleSleepPlan : u32 {
-    Sleep1Hour,
-    Sleep2Hour,
-    Sleep3Hour,
-    Sleep6Hour,
-    Sleep12Hour,
-    Never,
-};
-
-/// This is nn::settings::system::SleepFlag
-struct SleepFlag {
-    union {
-        u32 raw{};
-
-        BitField<0, 1, u32> SleepsWhilePlayingMedia;
-        BitField<1, 1, u32> WakesAtPowerStateChange;
-    };
-};
-static_assert(sizeof(SleepFlag) == 4, "TvFlag is an invalid size");
-
-/// This is nn::settings::system::SleepSettings
-struct SleepSettings {
-    SleepFlag flags;
-    HandheldSleepPlan handheld_sleep_plan;
-    ConsoleSleepPlan console_sleep_plan;
-};
-static_assert(sizeof(SleepSettings) == 0xc, "SleepSettings is incorrect size");
-
-/// This is nn::settings::system::EulaVersionClockType
-enum class EulaVersionClockType : u32 {
-    NetworkSystemClock,
-    SteadyClock,
-};
-
-/// This is nn::settings::system::EulaVersion
-struct EulaVersion {
-    u32 version;
-    RegionCode region_code;
-    EulaVersionClockType clock_type;
-    INSERT_PADDING_BYTES(0x4);
-    s64 posix_time;
-    Time::Clock::SteadyClockTimePoint timestamp;
-};
-static_assert(sizeof(EulaVersion) == 0x30, "EulaVersion is incorrect size");
-
 struct SystemSettings {
     // 0/unwritten (1.0.0), 0x20000 (2.0.0), 0x30000 (3.0.0-3.0.1), 0x40001 (4.0.0-4.1.0), 0x50000
     // (5.0.0-5.1.0), 0x60000 (6.0.0-6.2.0), 0x70000 (7.0.0), 0x80000 (8.0.0-8.1.1), 0x90000
@@ -283,20 +25,16 @@ struct SystemSettings {
     // 0/unwritten (1.0.0), 1 (6.0.0-8.1.0), 2 (8.1.1), 7 (9.0.0+).
     // if (flags & 2), defaults are written for AnalogStickUserCalibration
     u32 flags;
+    INSERT_PADDING_BYTES(0x8); // Reserved
 
-    std::array<u8, 0x8> reserved_00008;
-
-    // nn::settings::LanguageCode
     LanguageCode language_code;
-
-    std::array<u8, 0x38> reserved_00018;
+    INSERT_PADDING_BYTES(0x38); // Reserved
 
     // nn::settings::system::NetworkSettings
     u32 network_setting_count;
     bool wireless_lan_enable_flag;
-    std::array<u8, 0x3> pad_00055;
-
-    std::array<u8, 0x8> reserved_00058;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x8); // Reserved
 
     // nn::settings::system::NetworkSettings
     std::array<std::array<u8, 0x400>, 32> network_settings_1B0;
@@ -304,161 +42,142 @@ struct SystemSettings {
     // nn::settings::system::BluetoothDevicesSettings
     std::array<u8, 0x4> bluetooth_device_settings_count;
     bool bluetooth_enable_flag;
-    std::array<u8, 0x3> pad_08065;
+    INSERT_PADDING_BYTES(0x3);
     bool bluetooth_afh_enable_flag;
-    std::array<u8, 0x3> pad_08069;
+    INSERT_PADDING_BYTES(0x3);
     bool bluetooth_boost_enable_flag;
-    std::array<u8, 0x3> pad_0806D;
+    INSERT_PADDING_BYTES(0x3);
     std::array<std::array<u8, 0x200>, 10> bluetooth_device_settings_first_10;
 
     s32 ldn_channel;
-
-    std::array<u8, 0x3C> reserved_09474;
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     // nn::util::Uuid MiiAuthorId
-    std::array<u8, 0x10> mii_author_id;
+    Common::UUID mii_author_id;
 
-    std::array<u8, 0x30> reserved_094C0;
+    INSERT_PADDING_BYTES(0x30); // Reserved
 
     // nn::settings::system::NxControllerSettings
     u32 nx_controller_settings_count;
 
-    std::array<u8, 0xC> reserved_094F4;
+    INSERT_PADDING_BYTES(0xC); // Reserved
 
     // nn::settings::system::NxControllerSettings,
     // nn::settings::system::NxControllerLegacySettings on 13.0.0+
     std::array<std::array<u8, 0x40>, 10> nx_controller_legacy_settings;
-
-    std::array<u8, 0x170> reserved_09780;
+    INSERT_PADDING_BYTES(0x170); // Reserved
 
     bool external_rtc_reset_flag;
-    std::array<u8, 0x3> pad_098F1;
-
-    std::array<u8, 0x3C> reserved_098F4;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     s32 push_notification_activity_mode_on_sleep;
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
-    std::array<u8, 0x3C> reserved_09934;
-
-    // nn::settings::system::ErrorReportSharePermission
     ErrorReportSharePermission error_report_share_permission;
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
-    std::array<u8, 0x3C> reserved_09974;
-
-    // nn::settings::KeyboardLayout
-    std::array<u8, 0x4> keyboard_layout;
-
-    std::array<u8, 0x3C> reserved_099B4;
+    KeyboardLayout keyboard_layout;
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     bool web_inspector_flag;
-    std::array<u8, 0x3> pad_099F1;
+    INSERT_PADDING_BYTES(0x3);
 
     // nn::settings::system::AllowedSslHost
     u32 allowed_ssl_host_count;
 
     bool memory_usage_rate_flag;
-    std::array<u8, 0x3> pad_099F9;
-
-    std::array<u8, 0x34> reserved_099FC;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x34); // Reserved
 
     // nn::settings::system::HostFsMountPoint
     std::array<u8, 0x100> host_fs_mount_point;
 
     // nn::settings::system::AllowedSslHost
     std::array<std::array<u8, 0x100>, 8> allowed_ssl_hosts;
-
-    std::array<u8, 0x6C0> reserved_0A330;
+    INSERT_PADDING_BYTES(0x6C0); // Reserved
 
     // nn::settings::system::BlePairingSettings
     u32 ble_pairing_settings_count;
-    std::array<u8, 0xC> reserved_0A9F4;
+    INSERT_PADDING_BYTES(0xC); // Reserved
     std::array<std::array<u8, 0x80>, 10> ble_pairing_settings;
 
     // nn::settings::system::AccountOnlineStorageSettings
     u32 account_online_storage_settings_count;
-    std::array<u8, 0xC> reserved_0AF04;
+    INSERT_PADDING_BYTES(0xC); // Reserved
     std::array<std::array<u8, 0x40>, 8> account_online_storage_settings;
 
     bool pctl_ready_flag;
-    std::array<u8, 0x3> pad_0B111;
-
-    std::array<u8, 0x3C> reserved_0B114;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     // nn::settings::system::ThemeId
     std::array<u8, 0x80> theme_id_type0;
     std::array<u8, 0x80> theme_id_type1;
+    INSERT_PADDING_BYTES(0x100); // Reserved
 
-    std::array<u8, 0x100> reserved_0B250;
-
-    // nn::settings::ChineseTraditionalInputMethod
     ChineseTraditionalInputMethod chinese_traditional_input_method;
-
-    std::array<u8, 0x3C> reserved_0B354;
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     bool zoom_flag;
-    std::array<u8, 0x3> pad_0B391;
-
-    std::array<u8, 0x3C> reserved_0B394;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     // nn::settings::system::ButtonConfigRegisteredSettings
     u32 button_config_registered_settings_count;
-    std::array<u8, 0xC> reserved_0B3D4;
+    INSERT_PADDING_BYTES(0xC); // Reserved
 
     // nn::settings::system::ButtonConfigSettings
     u32 button_config_settings_count;
-    std::array<u8, 0x4> reserved_0B3E4;
+    INSERT_PADDING_BYTES(0x4); // Reserved
     std::array<std::array<u8, 0x5A8>, 5> button_config_settings;
-    std::array<u8, 0x13B0> reserved_0D030;
+    INSERT_PADDING_BYTES(0x13B0); // Reserved
     u32 button_config_settings_embedded_count;
-    std::array<u8, 0x4> reserved_0E3E4;
+    INSERT_PADDING_BYTES(0x4); // Reserved
     std::array<std::array<u8, 0x5A8>, 5> button_config_settings_embedded;
-    std::array<u8, 0x13B0> reserved_10030;
+    INSERT_PADDING_BYTES(0x13B0); // Reserved
     u32 button_config_settings_left_count;
-    std::array<u8, 0x4> reserved_113E4;
+    INSERT_PADDING_BYTES(0x4); // Reserved
     std::array<std::array<u8, 0x5A8>, 5> button_config_settings_left;
-    std::array<u8, 0x13B0> reserved_13030;
+    INSERT_PADDING_BYTES(0x13B0); // Reserved
     u32 button_config_settings_right_count;
-    std::array<u8, 0x4> reserved_143E4;
+    INSERT_PADDING_BYTES(0x4); // Reserved
     std::array<std::array<u8, 0x5A8>, 5> button_config_settings_right;
-    std::array<u8, 0x73B0> reserved_16030;
+    INSERT_PADDING_BYTES(0x73B0); // Reserved
     // nn::settings::system::ButtonConfigRegisteredSettings
     std::array<u8, 0x5C8> button_config_registered_settings_embedded;
     std::array<std::array<u8, 0x5C8>, 10> button_config_registered_settings;
-
-    std::array<u8, 0x7FF8> reserved_21378;
+    INSERT_PADDING_BYTES(0x7FF8); // Reserved
 
     // nn::settings::system::ConsoleSixAxisSensorAccelerationBias
-    std::array<u8, 0xC> console_six_axis_sensor_acceleration_bias;
+    Common::Vec3<f32> console_six_axis_sensor_acceleration_bias;
     // nn::settings::system::ConsoleSixAxisSensorAngularVelocityBias
-    std::array<u8, 0xC> console_six_axis_sensor_angular_velocity_bias;
+    Common::Vec3<f32> console_six_axis_sensor_angular_velocity_bias;
     // nn::settings::system::ConsoleSixAxisSensorAccelerationGain
     std::array<u8, 0x24> console_six_axis_sensor_acceleration_gain;
     // nn::settings::system::ConsoleSixAxisSensorAngularVelocityGain
     std::array<u8, 0x24> console_six_axis_sensor_angular_velocity_gain;
     // nn::settings::system::ConsoleSixAxisSensorAngularVelocityTimeBias
-    std::array<u8, 0xC> console_six_axis_sensor_angular_velocity_time_bias;
+    Common::Vec3<f32> console_six_axis_sensor_angular_velocity_time_bias;
     // nn::settings::system::ConsoleSixAxisSensorAngularAcceleration
     std::array<u8, 0x24> console_six_axis_sensor_angular_velocity_acceleration;
-
-    std::array<u8, 0x70> reserved_29400;
+    INSERT_PADDING_BYTES(0x70); // Reserved
 
     bool lock_screen_flag;
-    std::array<u8, 0x3> pad_29471;
-
-    std::array<u8, 0x4> reserved_249274;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x4); // Reserved
 
     ColorSet color_set_id;
 
     QuestFlag quest_flag;
 
-    // nn::settings::system::RegionCode
-    RegionCode region_code;
+    SystemRegionCode region_code;
 
     // Different to nn::settings::system::InitialLaunchSettings?
     InitialLaunchSettingsPacked initial_launch_settings_packed;
 
     bool battery_percentage_flag;
-    std::array<u8, 0x3> pad_294A1;
+    INSERT_PADDING_BYTES(0x3);
 
     // BitFlagSet<32, nn::settings::system::AppletLaunchFlag>
     u32 applet_launch_flag;
@@ -469,33 +188,26 @@ struct SystemSettings {
     std::array<u8, 0x10> theme_key;
 
     bool field_testing_flag;
-    std::array<u8, 0x3> pad_294C1;
+    INSERT_PADDING_BYTES(0x3);
 
     s32 panel_crc_mode;
-
-    std::array<u8, 0x28> reserved_294C8;
+    INSERT_PADDING_BYTES(0x28); // Reserved
 
     // nn::settings::system::BacklightSettings
     std::array<u8, 0x2C> backlight_settings_mixed_up;
+    INSERT_PADDING_BYTES(0x64); // Reserved
 
-    std::array<u8, 0x64> reserved_2951C;
-
-    // nn::time::SystemClockContext
     Service::Time::Clock::SystemClockContext user_system_clock_context;
     Service::Time::Clock::SystemClockContext network_system_clock_context;
     bool user_system_clock_automatic_correction_enabled;
-    std::array<u8, 0x3> pad_295C1;
-    std::array<u8, 0x4> reserved_295C4;
-    // nn::time::SteadyClockTimePoint
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x4); // Reserved
     Service::Time::Clock::SteadyClockTimePoint
         user_system_clock_automatic_correction_updated_time_point;
+    INSERT_PADDING_BYTES(0x10); // Reserved
 
-    std::array<u8, 0x10> reserved_295E0;
-
-    // nn::settings::system::AccountSettings
     AccountSettings account_settings;
-
-    std::array<u8, 0xFC> reserved_295F4;
+    INSERT_PADDING_BYTES(0xFC); // Reserved
 
     // nn::settings::system::AudioVolume
     std::array<u8, 0x8> audio_volume_type0;
@@ -505,47 +217,42 @@ struct SystemSettings {
     s32 audio_output_mode_type1;
     s32 audio_output_mode_type2;
     bool force_mute_on_headphone_removed;
-    std::array<u8, 0x3> pad_2970D;
+    INSERT_PADDING_BYTES(0x3);
     s32 headphone_volume_warning_count;
     bool heaphone_volume_update_flag;
-    std::array<u8, 0x3> pad_29715;
+    INSERT_PADDING_BYTES(0x3);
     // nn::settings::system::AudioVolume
     std::array<u8, 0x8> audio_volume_type2;
     // nn::settings::system::AudioOutputMode
     s32 audio_output_mode_type3;
     s32 audio_output_mode_type4;
     bool hearing_protection_safeguard_flag;
-    std::array<u8, 0x3> pad_29729;
-    std::array<u8, 0x4> reserved_2972C;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x4); // Reserved
     s64 hearing_protection_safeguard_remaining_time;
-    std::array<u8, 0x38> reserved_29738;
+    INSERT_PADDING_BYTES(0x38); // Reserved
 
     bool console_information_upload_flag;
-    std::array<u8, 0x3> pad_29771;
-
-    std::array<u8, 0x3C> reserved_29774;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     bool automatic_application_download_flag;
-    std::array<u8, 0x3> pad_297B1;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x4); // Reserved
 
-    std::array<u8, 0x4> reserved_297B4;
-
-    // nn::settings::system::NotificationSettings
     NotificationSettings notification_settings;
-
-    std::array<u8, 0x60> reserved_297D0;
+    INSERT_PADDING_BYTES(0x60); // Reserved
 
     // nn::settings::system::AccountNotificationSettings
     u32 account_notification_settings_count;
-    std::array<u8, 0xC> reserved_29834;
+    INSERT_PADDING_BYTES(0xC); // Reserved
     std::array<AccountNotificationSettings, 8> account_notification_settings;
-
-    std::array<u8, 0x140> reserved_29900;
+    INSERT_PADDING_BYTES(0x140); // Reserved
 
     f32 vibration_master_volume;
 
     bool usb_full_key_enable_flag;
-    std::array<u8, 0x3> pad_29A45;
+    INSERT_PADDING_BYTES(0x3);
 
     // nn::settings::system::AnalogStickUserCalibration
     std::array<u8, 0x10> analog_stick_user_calibration_left;
@@ -553,85 +260,68 @@ struct SystemSettings {
 
     // nn::settings::system::TouchScreenMode
     s32 touch_screen_mode;
+    INSERT_PADDING_BYTES(0x14); // Reserved
 
-    std::array<u8, 0x14> reserved_29A6C;
-
-    // nn::settings::system::TvSettings
     TvSettings tv_settings;
 
     // nn::settings::system::Edid
     std::array<u8, 0x100> edid;
-
-    std::array<u8, 0x2E0> reserved_29BA0;
+    INSERT_PADDING_BYTES(0x2E0); // Reserved
 
     // nn::settings::system::DataDeletionSettings
     std::array<u8, 0x8> data_deletion_settings;
-
-    std::array<u8, 0x38> reserved_29E88;
+    INSERT_PADDING_BYTES(0x38); // Reserved
 
     // nn::ncm::ProgramId
     std::array<u8, 0x8> initial_system_applet_program_id;
     std::array<u8, 0x8> overlay_disp_program_id;
-
-    std::array<u8, 0x4> reserved_29ED0;
+    INSERT_PADDING_BYTES(0x4); // Reserved
 
     bool requires_run_repair_time_reviser;
+    INSERT_PADDING_BYTES(0x6B); // Reserved
 
-    std::array<u8, 0x6B> reserved_29ED5;
-
-    // nn::time::LocationName
     Service::Time::TimeZone::LocationName device_time_zone_location_name;
-    std::array<u8, 0x4> reserved_29F64;
-    // nn::time::SteadyClockTimePoint
+    INSERT_PADDING_BYTES(0x4); // Reserved
     Service::Time::Clock::SteadyClockTimePoint device_time_zone_location_updated_time;
-
-    std::array<u8, 0xC0> reserved_29F80;
+    INSERT_PADDING_BYTES(0xC0); // Reserved
 
     // nn::settings::system::PrimaryAlbumStorage
     PrimaryAlbumStorage primary_album_storage;
-
-    std::array<u8, 0x3C> reserved_2A044;
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     bool usb_30_enable_flag;
-    std::array<u8, 0x3> pad_2A081;
+    INSERT_PADDING_BYTES(0x3);
     bool usb_30_host_enable_flag;
-    std::array<u8, 0x3> pad_2A085;
+    INSERT_PADDING_BYTES(0x3);
     bool usb_30_device_enable_flag;
-    std::array<u8, 0x3> pad_2A089;
-
-    std::array<u8, 0x34> reserved_2A08C;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x34); // Reserved
 
     bool nfc_enable_flag;
-    std::array<u8, 0x3> pad_2A0C1;
-
-    std::array<u8, 0x3C> reserved_2A0C4;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x3C); // Reserved
 
     // nn::settings::system::SleepSettings
     SleepSettings sleep_settings;
-
-    std::array<u8, 0x34> reserved_2A10C;
+    INSERT_PADDING_BYTES(0x34); // Reserved
 
     // nn::settings::system::EulaVersion
     u32 eula_version_count;
-    std::array<u8, 0xC> reserved_2A144;
+    INSERT_PADDING_BYTES(0xC); // Reserved
     std::array<EulaVersion, 32> eula_versions;
-
-    std::array<u8, 0x200> reserved_2A750;
+    INSERT_PADDING_BYTES(0x200); // Reserved
 
     // nn::settings::system::DeviceNickName
     std::array<u8, 0x80> device_nick_name;
-
-    std::array<u8, 0x80> reserved_2A9D0;
+    INSERT_PADDING_BYTES(0x80); // Reserved
 
     bool auto_update_enable_flag;
-    std::array<u8, 0x3> pad_2AA51;
-
-    std::array<u8, 0x4C> reserved_2AA54;
+    INSERT_PADDING_BYTES(0x3);
+    INSERT_PADDING_BYTES(0x4C); // Reserved
 
     // nn::settings::system::BluetoothDevicesSettings
     std::array<std::array<u8, 0x200>, 14> bluetooth_device_settings_last_14;
-
-    std::array<u8, 0x2000> reserved_2C6A0;
+    INSERT_PADDING_BYTES(0x2000); // Reserved
 
     // nn::settings::system::NxControllerSettings
     std::array<std::array<u8, 0x800>, 10> nx_controller_settings_data_from_offset_30;
diff --git a/src/core/hle/service/set/settings_server.h b/src/core/hle/service/set/settings_server.h
index a4e78db6c2..8304e84245 100644
--- a/src/core/hle/service/set/settings_server.h
+++ b/src/core/hle/service/set/settings_server.h
@@ -4,72 +4,13 @@
 #pragma once
 
 #include "core/hle/service/service.h"
-#include "core/hle/service/set/system_settings.h"
+#include "core/hle/service/set/settings_types.h"
 
 namespace Core {
 class System;
 }
 
 namespace Service::Set {
-enum class KeyboardLayout : u64 {
-    Japanese = 0,
-    EnglishUs = 1,
-    EnglishUsInternational = 2,
-    EnglishUk = 3,
-    French = 4,
-    FrenchCa = 5,
-    Spanish = 6,
-    SpanishLatin = 7,
-    German = 8,
-    Italian = 9,
-    Portuguese = 10,
-    Russian = 11,
-    Korean = 12,
-    ChineseSimplified = 13,
-    ChineseTraditional = 14,
-};
-
-constexpr std::array<LanguageCode, 18> available_language_codes = {{
-    LanguageCode::JA,
-    LanguageCode::EN_US,
-    LanguageCode::FR,
-    LanguageCode::DE,
-    LanguageCode::IT,
-    LanguageCode::ES,
-    LanguageCode::ZH_CN,
-    LanguageCode::KO,
-    LanguageCode::NL,
-    LanguageCode::PT,
-    LanguageCode::RU,
-    LanguageCode::ZH_TW,
-    LanguageCode::EN_GB,
-    LanguageCode::FR_CA,
-    LanguageCode::ES_419,
-    LanguageCode::ZH_HANS,
-    LanguageCode::ZH_HANT,
-    LanguageCode::PT_BR,
-}};
-
-static constexpr std::array<std::pair<LanguageCode, KeyboardLayout>, 18> language_to_layout{{
-    {LanguageCode::JA, KeyboardLayout::Japanese},
-    {LanguageCode::EN_US, KeyboardLayout::EnglishUs},
-    {LanguageCode::FR, KeyboardLayout::French},
-    {LanguageCode::DE, KeyboardLayout::German},
-    {LanguageCode::IT, KeyboardLayout::Italian},
-    {LanguageCode::ES, KeyboardLayout::Spanish},
-    {LanguageCode::ZH_CN, KeyboardLayout::ChineseSimplified},
-    {LanguageCode::KO, KeyboardLayout::Korean},
-    {LanguageCode::NL, KeyboardLayout::EnglishUsInternational},
-    {LanguageCode::PT, KeyboardLayout::Portuguese},
-    {LanguageCode::RU, KeyboardLayout::Russian},
-    {LanguageCode::ZH_TW, KeyboardLayout::ChineseTraditional},
-    {LanguageCode::EN_GB, KeyboardLayout::EnglishUk},
-    {LanguageCode::FR_CA, KeyboardLayout::FrenchCa},
-    {LanguageCode::ES_419, KeyboardLayout::SpanishLatin},
-    {LanguageCode::ZH_HANS, KeyboardLayout::ChineseSimplified},
-    {LanguageCode::ZH_HANT, KeyboardLayout::ChineseTraditional},
-    {LanguageCode::PT_BR, KeyboardLayout::Portuguese},
-}};
 
 LanguageCode GetLanguageCodeFromIndex(std::size_t idx);
 
diff --git a/src/core/hle/service/set/settings_types.h b/src/core/hle/service/set/settings_types.h
new file mode 100644
index 0000000000..ae2a884bc8
--- /dev/null
+++ b/src/core/hle/service/set/settings_types.h
@@ -0,0 +1,451 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/uuid.h"
+#include "core/hle/service/time/clock_types.h"
+
+namespace Service::Set {
+
+/// This is nn::settings::system::AudioOutputMode
+enum class AudioOutputMode : u32 {
+    ch_1,
+    ch_2,
+    ch_5_1,
+    ch_7_1,
+};
+
+/// This is nn::settings::system::AudioOutputModeTarget
+enum class AudioOutputModeTarget : u32 {
+    Hdmi,
+    Speaker,
+    Headphone,
+};
+
+/// This is nn::settings::system::AudioVolumeTarget
+enum class AudioVolumeTarget : u32 {
+    Speaker,
+    Headphone,
+};
+
+/// This is nn::settings::system::ClockSourceId
+enum class ClockSourceId : u32 {
+    NetworkSystemClock,
+    SteadyClock,
+};
+
+/// This is nn::settings::system::CmuMode
+enum class CmuMode : u32 {
+    None,
+    ColorInvert,
+    HighContrast,
+    GrayScale,
+};
+
+/// This is nn::settings::system::ChineseTraditionalInputMethod
+enum class ChineseTraditionalInputMethod : u32 {
+    Unknown0 = 0,
+    Unknown1 = 1,
+    Unknown2 = 2,
+};
+
+/// Indicates the current theme set by the system settings
+enum class ColorSet : u32 {
+    BasicWhite = 0,
+    BasicBlack = 1,
+};
+
+/// This is nn::settings::system::ConsoleSleepPlan
+enum class ConsoleSleepPlan : u32 {
+    Sleep1Hour,
+    Sleep2Hour,
+    Sleep3Hour,
+    Sleep6Hour,
+    Sleep12Hour,
+    Never,
+};
+
+/// This is nn::settings::system::ErrorReportSharePermission
+enum class ErrorReportSharePermission : u32 {
+    NotConfirmed,
+    Granted,
+    Denied,
+};
+
+/// This is nn::settings::system::EulaVersionClockType
+enum class EulaVersionClockType : u32 {
+    NetworkSystemClock,
+    SteadyClock,
+};
+
+/// This is nn::settings::factory::RegionCode
+enum class FactoryRegionCode : u32 {
+    Japan,
+    Usa,
+    Europe,
+    Australia,
+    China,
+    Korea,
+    Taiwan,
+};
+
+/// This is nn::settings::system::FriendPresenceOverlayPermission
+enum class FriendPresenceOverlayPermission : u8 {
+    NotConfirmed,
+    NoDisplay,
+    FavoriteFriends,
+    Friends,
+};
+
+enum class GetFirmwareVersionType {
+    Version1,
+    Version2,
+};
+
+/// This is nn::settings::system::HandheldSleepPlan
+enum class HandheldSleepPlan : u32 {
+    Sleep1Min,
+    Sleep3Min,
+    Sleep5Min,
+    Sleep10Min,
+    Sleep30Min,
+    Never,
+};
+
+/// This is nn::settings::system::HdmiContentType
+enum class HdmiContentType : u32 {
+    None,
+    Graphics,
+    Cinema,
+    Photo,
+    Game,
+};
+
+enum class KeyboardLayout : u32 {
+    Japanese = 0,
+    EnglishUs = 1,
+    EnglishUsInternational = 2,
+    EnglishUk = 3,
+    French = 4,
+    FrenchCa = 5,
+    Spanish = 6,
+    SpanishLatin = 7,
+    German = 8,
+    Italian = 9,
+    Portuguese = 10,
+    Russian = 11,
+    Korean = 12,
+    ChineseSimplified = 13,
+    ChineseTraditional = 14,
+};
+
+/// This is "nn::settings::LanguageCode", which is a NUL-terminated string stored in a u64.
+enum class LanguageCode : u64 {
+    JA = 0x000000000000616A,
+    EN_US = 0x00000053552D6E65,
+    FR = 0x0000000000007266,
+    DE = 0x0000000000006564,
+    IT = 0x0000000000007469,
+    ES = 0x0000000000007365,
+    ZH_CN = 0x0000004E432D687A,
+    KO = 0x0000000000006F6B,
+    NL = 0x0000000000006C6E,
+    PT = 0x0000000000007470,
+    RU = 0x0000000000007572,
+    ZH_TW = 0x00000057542D687A,
+    EN_GB = 0x00000042472D6E65,
+    FR_CA = 0x00000041432D7266,
+    ES_419 = 0x00003931342D7365,
+    ZH_HANS = 0x00736E61482D687A,
+    ZH_HANT = 0x00746E61482D687A,
+    PT_BR = 0x00000052422D7470,
+};
+
+/// This is nn::settings::system::NotificationVolume
+enum class NotificationVolume : u32 {
+    Mute,
+    Low,
+    High,
+};
+
+/// This is nn::settings::system::PrimaryAlbumStorage
+enum class PrimaryAlbumStorage : u32 {
+    Nand,
+    SdCard,
+};
+
+/// Indicates the current console is a retail or kiosk unit
+enum class QuestFlag : u8 {
+    Retail = 0,
+    Kiosk = 1,
+};
+
+/// This is nn::settings::system::RgbRange
+enum class RgbRange : u32 {
+    Auto,
+    Full,
+    Limited,
+};
+
+/// This is nn::settings::system::RegionCode
+enum class SystemRegionCode : u32 {
+    Japan,
+    Usa,
+    Europe,
+    Australia,
+    HongKongTaiwanKorea,
+    China,
+};
+
+/// This is nn::settings::system::TouchScreenMode
+enum class TouchScreenMode : u32 {
+    Stylus,
+    Standard,
+};
+
+/// This is nn::settings::system::TvResolution
+enum class TvResolution : u32 {
+    Auto,
+    Resolution1080p,
+    Resolution720p,
+    Resolution480p,
+};
+
+constexpr std::array<LanguageCode, 18> available_language_codes = {{
+    LanguageCode::JA,
+    LanguageCode::EN_US,
+    LanguageCode::FR,
+    LanguageCode::DE,
+    LanguageCode::IT,
+    LanguageCode::ES,
+    LanguageCode::ZH_CN,
+    LanguageCode::KO,
+    LanguageCode::NL,
+    LanguageCode::PT,
+    LanguageCode::RU,
+    LanguageCode::ZH_TW,
+    LanguageCode::EN_GB,
+    LanguageCode::FR_CA,
+    LanguageCode::ES_419,
+    LanguageCode::ZH_HANS,
+    LanguageCode::ZH_HANT,
+    LanguageCode::PT_BR,
+}};
+
+static constexpr std::array<std::pair<LanguageCode, KeyboardLayout>, 18> language_to_layout{{
+    {LanguageCode::JA, KeyboardLayout::Japanese},
+    {LanguageCode::EN_US, KeyboardLayout::EnglishUs},
+    {LanguageCode::FR, KeyboardLayout::French},
+    {LanguageCode::DE, KeyboardLayout::German},
+    {LanguageCode::IT, KeyboardLayout::Italian},
+    {LanguageCode::ES, KeyboardLayout::Spanish},
+    {LanguageCode::ZH_CN, KeyboardLayout::ChineseSimplified},
+    {LanguageCode::KO, KeyboardLayout::Korean},
+    {LanguageCode::NL, KeyboardLayout::EnglishUsInternational},
+    {LanguageCode::PT, KeyboardLayout::Portuguese},
+    {LanguageCode::RU, KeyboardLayout::Russian},
+    {LanguageCode::ZH_TW, KeyboardLayout::ChineseTraditional},
+    {LanguageCode::EN_GB, KeyboardLayout::EnglishUk},
+    {LanguageCode::FR_CA, KeyboardLayout::FrenchCa},
+    {LanguageCode::ES_419, KeyboardLayout::SpanishLatin},
+    {LanguageCode::ZH_HANS, KeyboardLayout::ChineseSimplified},
+    {LanguageCode::ZH_HANT, KeyboardLayout::ChineseTraditional},
+    {LanguageCode::PT_BR, KeyboardLayout::Portuguese},
+}};
+
+/// This is nn::settings::system::AccountNotificationFlag
+struct AccountNotificationFlag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> FriendOnlineFlag;
+        BitField<1, 1, u32> FriendRequestFlag;
+        BitField<8, 1, u32> CoralInvitationFlag;
+    };
+};
+static_assert(sizeof(AccountNotificationFlag) == 4, "AccountNotificationFlag is an invalid size");
+
+/// This is nn::settings::system::AccountSettings
+struct AccountSettings {
+    u32 flags;
+};
+static_assert(sizeof(AccountSettings) == 4, "AccountSettings is an invalid size");
+
+/// This is nn::settings::system::DataDeletionFlag
+struct DataDeletionFlag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> AutomaticDeletionFlag;
+    };
+};
+static_assert(sizeof(DataDeletionFlag) == 4, "DataDeletionFlag is an invalid size");
+
+/// This is nn::settings::system::InitialLaunchFlag
+struct InitialLaunchFlag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> InitialLaunchCompletionFlag;
+        BitField<8, 1, u32> InitialLaunchUserAdditionFlag;
+        BitField<16, 1, u32> InitialLaunchTimestampFlag;
+    };
+};
+static_assert(sizeof(InitialLaunchFlag) == 4, "InitialLaunchFlag is an invalid size");
+
+/// This is nn::settings::system::SleepFlag
+struct SleepFlag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> SleepsWhilePlayingMedia;
+        BitField<1, 1, u32> WakesAtPowerStateChange;
+    };
+};
+static_assert(sizeof(SleepFlag) == 4, "TvFlag is an invalid size");
+
+/// This is nn::settings::system::NotificationFlag
+struct NotificationFlag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> RingtoneFlag;
+        BitField<1, 1, u32> DownloadCompletionFlag;
+        BitField<8, 1, u32> EnablesNews;
+        BitField<9, 1, u32> IncomingLampFlag;
+    };
+};
+static_assert(sizeof(NotificationFlag) == 4, "NotificationFlag is an invalid size");
+
+/// This is nn::settings::system::TvFlag
+struct TvFlag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> Allows4k;
+        BitField<1, 1, u32> Allows3d;
+        BitField<2, 1, u32> AllowsCec;
+        BitField<3, 1, u32> PreventsScreenBurnIn;
+    };
+};
+static_assert(sizeof(TvFlag) == 4, "TvFlag is an invalid size");
+
+/// This is nn::settings::system::UserSelectorFlag
+struct UserSelectorFlag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> SkipIfSingleUser;
+        BitField<31, 1, u32> Uknown;
+    };
+};
+static_assert(sizeof(UserSelectorFlag) == 4, "UserSelectorFlag is an invalid size");
+
+/// This is nn::settings::system::AccountNotificationSettings
+struct AccountNotificationSettings {
+    Common::UUID uid;
+    AccountNotificationFlag flags;
+    FriendPresenceOverlayPermission friend_presence_permission;
+    FriendPresenceOverlayPermission friend_invitation_permission;
+    INSERT_PADDING_BYTES(0x2);
+};
+static_assert(sizeof(AccountNotificationSettings) == 0x18,
+              "AccountNotificationSettings is an invalid size");
+
+/// This is nn::settings::system::EulaVersion
+struct EulaVersion {
+    u32 version;
+    SystemRegionCode region_code;
+    EulaVersionClockType clock_type;
+    INSERT_PADDING_BYTES(0x4);
+    s64 posix_time;
+    Time::Clock::SteadyClockTimePoint timestamp;
+};
+static_assert(sizeof(EulaVersion) == 0x30, "EulaVersion is incorrect size");
+
+struct FirmwareVersionFormat {
+    u8 major;
+    u8 minor;
+    u8 micro;
+    INSERT_PADDING_BYTES(1);
+    u8 revision_major;
+    u8 revision_minor;
+    INSERT_PADDING_BYTES(2);
+    std::array<char, 0x20> platform;
+    std::array<u8, 0x40> version_hash;
+    std::array<char, 0x18> display_version;
+    std::array<char, 0x80> display_title;
+};
+static_assert(sizeof(FirmwareVersionFormat) == 0x100, "FirmwareVersionFormat is an invalid size");
+
+/// This is nn::settings::system::HomeMenuScheme
+struct HomeMenuScheme {
+    u32 main;
+    u32 back;
+    u32 sub;
+    u32 bezel;
+    u32 extra;
+};
+static_assert(sizeof(HomeMenuScheme) == 0x14, "HomeMenuScheme is incorrect size");
+
+/// This is nn::settings::system::InitialLaunchSettings
+struct InitialLaunchSettings {
+    InitialLaunchFlag flags;
+    INSERT_PADDING_BYTES(0x4);
+    Service::Time::Clock::SteadyClockTimePoint timestamp;
+};
+static_assert(sizeof(InitialLaunchSettings) == 0x20, "InitialLaunchSettings is incorrect size");
+
+#pragma pack(push, 4)
+struct InitialLaunchSettingsPacked {
+    InitialLaunchFlag flags;
+    Service::Time::Clock::SteadyClockTimePoint timestamp;
+};
+#pragma pack(pop)
+static_assert(sizeof(InitialLaunchSettingsPacked) == 0x1C,
+              "InitialLaunchSettingsPacked is incorrect size");
+
+/// This is nn::settings::system::NotificationTime
+struct NotificationTime {
+    u32 hour;
+    u32 minute;
+};
+static_assert(sizeof(NotificationTime) == 0x8, "NotificationTime is an invalid size");
+
+/// This is nn::settings::system::NotificationSettings
+struct NotificationSettings {
+    NotificationFlag flags;
+    NotificationVolume volume;
+    NotificationTime start_time;
+    NotificationTime stop_time;
+};
+static_assert(sizeof(NotificationSettings) == 0x18, "NotificationSettings is an invalid size");
+
+/// This is nn::settings::system::SleepSettings
+struct SleepSettings {
+    SleepFlag flags;
+    HandheldSleepPlan handheld_sleep_plan;
+    ConsoleSleepPlan console_sleep_plan;
+};
+static_assert(sizeof(SleepSettings) == 0xc, "SleepSettings is incorrect size");
+
+/// This is nn::settings::system::TvSettings
+struct TvSettings {
+    TvFlag flags;
+    TvResolution tv_resolution;
+    HdmiContentType hdmi_content_type;
+    RgbRange rgb_range;
+    CmuMode cmu_mode;
+    u32 tv_underscan;
+    f32 tv_gama;
+    f32 contrast_ratio;
+};
+static_assert(sizeof(TvSettings) == 0x20, "TvSettings is an invalid size");
+
+} // namespace Service::Set
diff --git a/src/core/hle/service/set/system_settings_server.cpp b/src/core/hle/service/set/system_settings_server.cpp
index af9348522e..122b915c58 100644
--- a/src/core/hle/service/set/system_settings_server.cpp
+++ b/src/core/hle/service/set/system_settings_server.cpp
@@ -775,7 +775,7 @@ void ISystemSettingsServer::SetDeviceTimeZoneLocationName(HLERequestContext& ctx
 
 void ISystemSettingsServer::SetRegionCode(HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    m_system_settings.region_code = rp.PopEnum<RegionCode>();
+    m_system_settings.region_code = rp.PopEnum<SystemRegionCode>();
     SetSaveNeeded();
 
     LOG_INFO(Service_SET, "called, region_code={}", m_system_settings.region_code);
diff --git a/src/core/hle/service/set/system_settings_server.h b/src/core/hle/service/set/system_settings_server.h
index 6f587e0b32..bab913615d 100644
--- a/src/core/hle/service/set/system_settings_server.h
+++ b/src/core/hle/service/set/system_settings_server.h
@@ -12,10 +12,11 @@
 #include "common/uuid.h"
 #include "core/hle/result.h"
 #include "core/hle/service/service.h"
-#include "core/hle/service/set/appln_settings.h"
-#include "core/hle/service/set/device_settings.h"
-#include "core/hle/service/set/private_settings.h"
-#include "core/hle/service/set/system_settings.h"
+#include "core/hle/service/set/setting_formats/appln_settings.h"
+#include "core/hle/service/set/setting_formats/device_settings.h"
+#include "core/hle/service/set/setting_formats/private_settings.h"
+#include "core/hle/service/set/setting_formats/system_settings.h"
+#include "core/hle/service/set/settings_types.h"
 #include "core/hle/service/time/clock_types.h"
 #include "core/hle/service/time/time_zone_types.h"
 
@@ -24,25 +25,6 @@ class System;
 }
 
 namespace Service::Set {
-enum class GetFirmwareVersionType {
-    Version1,
-    Version2,
-};
-
-struct FirmwareVersionFormat {
-    u8 major;
-    u8 minor;
-    u8 micro;
-    INSERT_PADDING_BYTES(1);
-    u8 revision_major;
-    u8 revision_minor;
-    INSERT_PADDING_BYTES(2);
-    std::array<char, 0x20> platform;
-    std::array<u8, 0x40> version_hash;
-    std::array<char, 0x18> display_version;
-    std::array<char, 0x80> display_title;
-};
-static_assert(sizeof(FirmwareVersionFormat) == 0x100, "FirmwareVersionFormat is an invalid size");
 
 Result GetFirmwareVersionImpl(FirmwareVersionFormat& out_firmware, Core::System& system,
                               GetFirmwareVersionType type);