9 files changed, 387 insertions, 138 deletions

diff --git a/src/core/hle/service/mii/mii_result.h b/src/core/hle/service/mii/mii_result.h
index 021cb76da..e2c36e556 100644
--- a/src/core/hle/service/mii/mii_result.h
+++ b/src/core/hle/service/mii/mii_result.h
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
@@ -13,8 +13,15 @@ constexpr Result ResultNotUpdated{ErrorModule::Mii, 3};
 constexpr Result ResultNotFound{ErrorModule::Mii, 4};
 constexpr Result ResultDatabaseFull{ErrorModule::Mii, 5};
 constexpr Result ResultInvalidCharInfo{ErrorModule::Mii, 100};
+constexpr Result ResultInvalidDatabaseChecksum{ErrorModule::Mii, 101};
+constexpr Result ResultInvalidDatabaseSignature{ErrorModule::Mii, 103};
+constexpr Result ResultInvalidDatabaseVersion{ErrorModule::Mii, 104};
+constexpr Result ResultInvalidDatabaseLength{ErrorModule::Mii, 105};
+constexpr Result ResultInvalidCharInfo2{ErrorModule::Mii, 107};
 constexpr Result ResultInvalidStoreData{ErrorModule::Mii, 109};
 constexpr Result ResultInvalidOperation{ErrorModule::Mii, 202};
 constexpr Result ResultPermissionDenied{ErrorModule::Mii, 203};
+constexpr Result ResultTestModeOnly{ErrorModule::Mii, 204};
+constexpr Result ResultInvalidCharInfoType{ErrorModule::Mii, 205};
 
 }; // namespace Service::Mii
diff --git a/src/core/hle/service/mii/mii_types.h b/src/core/hle/service/mii/mii_types.h
index 611ff4f81..9efe6c915 100644
--- a/src/core/hle/service/mii/mii_types.h
+++ b/src/core/hle/service/mii/mii_types.h
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
@@ -26,14 +26,14 @@ constexpr u8 MaxEyebrowScale = 8;
 constexpr u8 MaxEyebrowAspect = 6;
 constexpr u8 MaxEyebrowRotate = 11;
 constexpr u8 MaxEyebrowX = 12;
-constexpr u8 MaxEyebrowY = 18;
+constexpr u8 MaxEyebrowY = 15;
 constexpr u8 MaxNoseScale = 8;
 constexpr u8 MaxNoseY = 18;
 constexpr u8 MaxMouthScale = 8;
 constexpr u8 MaxMoutAspect = 6;
 constexpr u8 MaxMouthY = 18;
 constexpr u8 MaxMustacheScale = 8;
-constexpr u8 MasMustacheY = 16;
+constexpr u8 MaxMustacheY = 16;
 constexpr u8 MaxGlassScale = 7;
 constexpr u8 MaxGlassY = 20;
 constexpr u8 MaxMoleScale = 8;
@@ -599,6 +599,7 @@ enum class ValidationResult : u32 {
     InvalidRegionMove = 0x31,
     InvalidCreateId = 0x32,
     InvalidName = 0x33,
+    InvalidChecksum = 0x34,
     InvalidType = 0x35,
 };
 
diff --git a/src/core/hle/service/mii/types/char_info.cpp b/src/core/hle/service/mii/types/char_info.cpp
index bb948c628..e90124af4 100644
--- a/src/core/hle/service/mii/types/char_info.cpp
+++ b/src/core/hle/service/mii/types/char_info.cpp
@@ -37,7 +37,7 @@ void CharInfo::SetFromStoreData(const StoreData& store_data) {
     eyebrow_aspect = store_data.GetEyebrowAspect();
     eyebrow_rotate = store_data.GetEyebrowRotate();
     eyebrow_x = store_data.GetEyebrowX();
-    eyebrow_y = store_data.GetEyebrowY();
+    eyebrow_y = store_data.GetEyebrowY() + 3;
     nose_type = store_data.GetNoseType();
     nose_scale = store_data.GetNoseScale();
     nose_y = store_data.GetNoseY();
@@ -150,7 +150,7 @@ ValidationResult CharInfo::Verify() const {
     if (eyebrow_x > MaxEyebrowX) {
         return ValidationResult::InvalidEyebrowX;
     }
-    if (eyebrow_y > MaxEyebrowY) {
+    if (eyebrow_y - 3 > MaxEyebrowY) {
         return ValidationResult::InvalidEyebrowY;
     }
     if (nose_type > NoseType::Max) {
@@ -189,7 +189,7 @@ ValidationResult CharInfo::Verify() const {
     if (mustache_scale > MaxMustacheScale) {
         return ValidationResult::InvalidMustacheScale;
     }
-    if (mustache_y > MasMustacheY) {
+    if (mustache_y > MaxMustacheY) {
         return ValidationResult::InvalidMustacheY;
     }
     if (glass_type > GlassType::Max) {
diff --git a/src/core/hle/service/mii/types/char_info.h b/src/core/hle/service/mii/types/char_info.h
index d069b221f..d0c457fd5 100644
--- a/src/core/hle/service/mii/types/char_info.h
+++ b/src/core/hle/service/mii/types/char_info.h
@@ -70,59 +70,59 @@ public:
     bool operator==(const CharInfo& info);
 
 private:
-    Common::UUID create_id;
-    Nickname name;
-    u16 null_terminator;
-    FontRegion font_region;
-    FavoriteColor favorite_color;
-    Gender gender;
-    u8 height;
-    u8 build;
-    u8 type;
-    u8 region_move;
-    FacelineType faceline_type;
-    FacelineColor faceline_color;
-    FacelineWrinkle faceline_wrinkle;
-    FacelineMake faceline_make;
-    HairType hair_type;
-    CommonColor hair_color;
-    HairFlip hair_flip;
-    EyeType eye_type;
-    CommonColor eye_color;
-    u8 eye_scale;
-    u8 eye_aspect;
-    u8 eye_rotate;
-    u8 eye_x;
-    u8 eye_y;
-    EyebrowType eyebrow_type;
-    CommonColor eyebrow_color;
-    u8 eyebrow_scale;
-    u8 eyebrow_aspect;
-    u8 eyebrow_rotate;
-    u8 eyebrow_x;
-    u8 eyebrow_y;
-    NoseType nose_type;
-    u8 nose_scale;
-    u8 nose_y;
-    MouthType mouth_type;
-    CommonColor mouth_color;
-    u8 mouth_scale;
-    u8 mouth_aspect;
-    u8 mouth_y;
-    CommonColor beard_color;
-    BeardType beard_type;
-    MustacheType mustache_type;
-    u8 mustache_scale;
-    u8 mustache_y;
-    GlassType glass_type;
-    CommonColor glass_color;
-    u8 glass_scale;
-    u8 glass_y;
-    MoleType mole_type;
-    u8 mole_scale;
-    u8 mole_x;
-    u8 mole_y;
-    u8 padding;
+    Common::UUID create_id{};
+    Nickname name{};
+    u16 null_terminator{};
+    FontRegion font_region{};
+    FavoriteColor favorite_color{};
+    Gender gender{};
+    u8 height{};
+    u8 build{};
+    u8 type{};
+    u8 region_move{};
+    FacelineType faceline_type{};
+    FacelineColor faceline_color{};
+    FacelineWrinkle faceline_wrinkle{};
+    FacelineMake faceline_make{};
+    HairType hair_type{};
+    CommonColor hair_color{};
+    HairFlip hair_flip{};
+    EyeType eye_type{};
+    CommonColor eye_color{};
+    u8 eye_scale{};
+    u8 eye_aspect{};
+    u8 eye_rotate{};
+    u8 eye_x{};
+    u8 eye_y{};
+    EyebrowType eyebrow_type{};
+    CommonColor eyebrow_color{};
+    u8 eyebrow_scale{};
+    u8 eyebrow_aspect{};
+    u8 eyebrow_rotate{};
+    u8 eyebrow_x{};
+    u8 eyebrow_y{};
+    NoseType nose_type{};
+    u8 nose_scale{};
+    u8 nose_y{};
+    MouthType mouth_type{};
+    CommonColor mouth_color{};
+    u8 mouth_scale{};
+    u8 mouth_aspect{};
+    u8 mouth_y{};
+    CommonColor beard_color{};
+    BeardType beard_type{};
+    MustacheType mustache_type{};
+    u8 mustache_scale{};
+    u8 mustache_y{};
+    GlassType glass_type{};
+    CommonColor glass_color{};
+    u8 glass_scale{};
+    u8 glass_y{};
+    MoleType mole_type{};
+    u8 mole_scale{};
+    u8 mole_x{};
+    u8 mole_y{};
+    u8 padding{};
 };
 static_assert(sizeof(CharInfo) == 0x58, "CharInfo has incorrect size.");
 static_assert(std::has_unique_object_representations_v<CharInfo>,
diff --git a/src/core/hle/service/mii/types/core_data.cpp b/src/core/hle/service/mii/types/core_data.cpp
index 659288b51..465c6293a 100644
--- a/src/core/hle/service/mii/types/core_data.cpp
+++ b/src/core/hle/service/mii/types/core_data.cpp
@@ -3,6 +3,7 @@
 
 #include "common/assert.h"
 #include "core/hle/service/mii/mii_util.h"
+#include "core/hle/service/mii/types/char_info.h"
 #include "core/hle/service/mii/types/core_data.h"
 #include "core/hle/service/mii/types/raw_data.h"
 
@@ -185,9 +186,211 @@ void CoreData::BuildRandom(Age age, Gender gender, Race race) {
     SetMoleY(20);
 }
 
-u32 CoreData::IsValid() const {
-    // TODO: Complete this
-    return 0;
+void CoreData::BuildFromCharInfo(const CharInfo& char_info) {
+    name = char_info.GetNickname();
+    SetFontRegion(char_info.GetFontRegion());
+    SetFavoriteColor(char_info.GetFavoriteColor());
+    SetGender(char_info.GetGender());
+    SetHeight(char_info.GetHeight());
+    SetBuild(char_info.GetBuild());
+    SetType(char_info.GetType());
+    SetRegionMove(char_info.GetRegionMove());
+    SetFacelineType(char_info.GetFacelineType());
+    SetFacelineColor(char_info.GetFacelineColor());
+    SetFacelineWrinkle(char_info.GetFacelineWrinkle());
+    SetFacelineMake(char_info.GetFacelineMake());
+    SetHairType(char_info.GetHairType());
+    SetHairColor(char_info.GetHairColor());
+    SetHairFlip(char_info.GetHairFlip());
+    SetEyeType(char_info.GetEyeType());
+    SetEyeColor(char_info.GetEyeColor());
+    SetEyeScale(char_info.GetEyeScale());
+    SetEyeAspect(char_info.GetEyeAspect());
+    SetEyeRotate(char_info.GetEyeRotate());
+    SetEyeX(char_info.GetEyeX());
+    SetEyeY(char_info.GetEyeY());
+    SetEyebrowType(char_info.GetEyebrowType());
+    SetEyebrowColor(char_info.GetEyebrowColor());
+    SetEyebrowScale(char_info.GetEyebrowScale());
+    SetEyebrowAspect(char_info.GetEyebrowAspect());
+    SetEyebrowRotate(char_info.GetEyebrowRotate());
+    SetEyebrowX(char_info.GetEyebrowX());
+    SetEyebrowY(char_info.GetEyebrowY() - 3);
+    SetNoseType(char_info.GetNoseType());
+    SetNoseScale(char_info.GetNoseScale());
+    SetNoseY(char_info.GetNoseY());
+    SetMouthType(char_info.GetMouthType());
+    SetMouthColor(char_info.GetMouthColor());
+    SetMouthScale(char_info.GetMouthScale());
+    SetMouthAspect(char_info.GetMouthAspect());
+    SetMouthY(char_info.GetMouthY());
+    SetBeardColor(char_info.GetBeardColor());
+    SetBeardType(char_info.GetBeardType());
+    SetMustacheType(char_info.GetMustacheType());
+    SetMustacheScale(char_info.GetMustacheScale());
+    SetMustacheY(char_info.GetMustacheY());
+    SetGlassType(char_info.GetGlassType());
+    SetGlassColor(char_info.GetGlassColor());
+    SetGlassScale(char_info.GetGlassScale());
+    SetGlassY(char_info.GetGlassY());
+    SetMoleType(char_info.GetMoleType());
+    SetMoleScale(char_info.GetMoleScale());
+    SetMoleX(char_info.GetMoleX());
+    SetMoleY(char_info.GetMoleY());
+}
+
+ValidationResult CoreData::IsValid() const {
+    if (!name.IsValid()) {
+        return ValidationResult::InvalidName;
+    }
+    if (GetFontRegion() > FontRegion::Max) {
+        return ValidationResult::InvalidFont;
+    }
+    if (GetFavoriteColor() > FavoriteColor::Max) {
+        return ValidationResult::InvalidColor;
+    }
+    if (GetGender() > Gender::Max) {
+        return ValidationResult::InvalidGender;
+    }
+    if (GetHeight() > MaxHeight) {
+        return ValidationResult::InvalidHeight;
+    }
+    if (GetBuild() > MaxBuild) {
+        return ValidationResult::InvalidBuild;
+    }
+    if (GetType() > MaxType) {
+        return ValidationResult::InvalidType;
+    }
+    if (GetRegionMove() > MaxRegionMove) {
+        return ValidationResult::InvalidRegionMove;
+    }
+    if (GetFacelineType() > FacelineType::Max) {
+        return ValidationResult::InvalidFacelineType;
+    }
+    if (GetFacelineColor() > FacelineColor::Max) {
+        return ValidationResult::InvalidFacelineColor;
+    }
+    if (GetFacelineWrinkle() > FacelineWrinkle::Max) {
+        return ValidationResult::InvalidFacelineWrinkle;
+    }
+    if (GetFacelineMake() > FacelineMake::Max) {
+        return ValidationResult::InvalidFacelineMake;
+    }
+    if (GetHairType() > HairType::Max) {
+        return ValidationResult::InvalidHairType;
+    }
+    if (GetHairColor() > CommonColor::Max) {
+        return ValidationResult::InvalidHairColor;
+    }
+    if (GetHairFlip() > HairFlip::Max) {
+        return ValidationResult::InvalidHairFlip;
+    }
+    if (GetEyeType() > EyeType::Max) {
+        return ValidationResult::InvalidEyeType;
+    }
+    if (GetEyeColor() > CommonColor::Max) {
+        return ValidationResult::InvalidEyeColor;
+    }
+    if (GetEyeScale() > MaxEyeScale) {
+        return ValidationResult::InvalidEyeScale;
+    }
+    if (GetEyeAspect() > MaxEyeAspect) {
+        return ValidationResult::InvalidEyeAspect;
+    }
+    if (GetEyeRotate() > MaxEyeRotate) {
+        return ValidationResult::InvalidEyeRotate;
+    }
+    if (GetEyeX() > MaxEyeX) {
+        return ValidationResult::InvalidEyeX;
+    }
+    if (GetEyeY() > MaxEyeY) {
+        return ValidationResult::InvalidEyeY;
+    }
+    if (GetEyebrowType() > EyebrowType::Max) {
+        return ValidationResult::InvalidEyebrowType;
+    }
+    if (GetEyebrowColor() > CommonColor::Max) {
+        return ValidationResult::InvalidEyebrowColor;
+    }
+    if (GetEyebrowScale() > MaxEyebrowScale) {
+        return ValidationResult::InvalidEyebrowScale;
+    }
+    if (GetEyebrowAspect() > MaxEyebrowAspect) {
+        return ValidationResult::InvalidEyebrowAspect;
+    }
+    if (GetEyebrowRotate() > MaxEyebrowRotate) {
+        return ValidationResult::InvalidEyebrowRotate;
+    }
+    if (GetEyebrowX() > MaxEyebrowX) {
+        return ValidationResult::InvalidEyebrowX;
+    }
+    if (GetEyebrowY() > MaxEyebrowY) {
+        return ValidationResult::InvalidEyebrowY;
+    }
+    if (GetNoseType() > NoseType::Max) {
+        return ValidationResult::InvalidNoseType;
+    }
+    if (GetNoseScale() > MaxNoseScale) {
+        return ValidationResult::InvalidNoseScale;
+    }
+    if (GetNoseY() > MaxNoseY) {
+        return ValidationResult::InvalidNoseY;
+    }
+    if (GetMouthType() > MouthType::Max) {
+        return ValidationResult::InvalidMouthType;
+    }
+    if (GetMouthColor() > CommonColor::Max) {
+        return ValidationResult::InvalidMouthColor;
+    }
+    if (GetMouthScale() > MaxMouthScale) {
+        return ValidationResult::InvalidMouthScale;
+    }
+    if (GetMouthAspect() > MaxMoutAspect) {
+        return ValidationResult::InvalidMouthAspect;
+    }
+    if (GetMouthY() > MaxMouthY) {
+        return ValidationResult::InvalidMouthY;
+    }
+    if (GetBeardColor() > CommonColor::Max) {
+        return ValidationResult::InvalidBeardColor;
+    }
+    if (GetBeardType() > BeardType::Max) {
+        return ValidationResult::InvalidBeardType;
+    }
+    if (GetMustacheType() > MustacheType::Max) {
+        return ValidationResult::InvalidMustacheType;
+    }
+    if (GetMustacheScale() > MaxMustacheScale) {
+        return ValidationResult::InvalidMustacheScale;
+    }
+    if (GetMustacheY() > MaxMustacheY) {
+        return ValidationResult::InvalidMustacheY;
+    }
+    if (GetGlassType() > GlassType::Max) {
+        return ValidationResult::InvalidGlassType;
+    }
+    if (GetGlassColor() > CommonColor::Max) {
+        return ValidationResult::InvalidGlassColor;
+    }
+    if (GetGlassScale() > MaxGlassScale) {
+        return ValidationResult::InvalidGlassScale;
+    }
+    if (GetGlassY() > MaxGlassY) {
+        return ValidationResult::InvalidGlassY;
+    }
+    if (GetMoleType() > MoleType::Max) {
+        return ValidationResult::InvalidMoleType;
+    }
+    if (GetMoleScale() > MaxMoleScale) {
+        return ValidationResult::InvalidMoleScale;
+    }
+    if (GetMoleX() > MaxMoleX) {
+        return ValidationResult::InvalidMoleX;
+    }
+    if (GetMoleY() > MaxMoleY) {
+        return ValidationResult::InvalidMoleY;
+    }
+    return ValidationResult::NoErrors;
 }
 
 void CoreData::SetFontRegion(FontRegion value) {
@@ -314,8 +517,8 @@ void CoreData::SetNoseY(u8 value) {
     data.nose_y.Assign(value);
 }
 
-void CoreData::SetMouthType(u8 value) {
-    data.mouth_type.Assign(value);
+void CoreData::SetMouthType(MouthType value) {
+    data.mouth_type.Assign(static_cast<u32>(value));
 }
 
 void CoreData::SetMouthColor(CommonColor value) {
diff --git a/src/core/hle/service/mii/types/core_data.h b/src/core/hle/service/mii/types/core_data.h
index cebcd2ee4..e6398f68f 100644
--- a/src/core/hle/service/mii/types/core_data.h
+++ b/src/core/hle/service/mii/types/core_data.h
@@ -6,6 +6,7 @@
 #include "core/hle/service/mii/mii_types.h"
 
 namespace Service::Mii {
+class CharInfo;
 
 struct StoreDataBitFields {
     union {
@@ -100,8 +101,9 @@ class CoreData {
 public:
     void SetDefault();
     void BuildRandom(Age age, Gender gender, Race race);
+    void BuildFromCharInfo(const CharInfo& char_info);
 
-    u32 IsValid() const;
+    ValidationResult IsValid() const;
 
     void SetFontRegion(FontRegion value);
     void SetFavoriteColor(FavoriteColor value);
@@ -134,7 +136,7 @@ public:
     void SetNoseType(NoseType value);
     void SetNoseScale(u8 value);
     void SetNoseY(u8 value);
-    void SetMouthType(u8 value);
+    void SetMouthType(MouthType value);
     void SetMouthColor(CommonColor value);
     void SetMouthScale(u8 value);
     void SetMouthAspect(u8 value);
diff --git a/src/core/hle/service/mii/types/store_data.cpp b/src/core/hle/service/mii/types/store_data.cpp
index 8fce636c7..127221fdb 100644
--- a/src/core/hle/service/mii/types/store_data.cpp
+++ b/src/core/hle/service/mii/types/store_data.cpp
@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/hle/service/mii/mii_result.h"
 #include "core/hle/service/mii/mii_util.h"
 #include "core/hle/service/mii/types/raw_data.h"
 #include "core/hle/service/mii/types/store_data.h"
@@ -35,13 +36,13 @@ void StoreData::BuildDefault(u32 mii_index) {
     core_data.SetEyebrowAspect(static_cast<u8>(default_mii.eyebrow_aspect));
     core_data.SetEyebrowRotate(static_cast<u8>(default_mii.eyebrow_rotate));
     core_data.SetEyebrowX(static_cast<u8>(default_mii.eyebrow_x));
-    core_data.SetEyebrowY(static_cast<u8>(default_mii.eyebrow_y));
+    core_data.SetEyebrowY(static_cast<u8>(default_mii.eyebrow_y - 3));
 
     core_data.SetNoseType(static_cast<NoseType>(default_mii.nose_type));
     core_data.SetNoseScale(static_cast<u8>(default_mii.nose_scale));
     core_data.SetNoseY(static_cast<u8>(default_mii.nose_y));
 
-    core_data.SetMouthType(static_cast<u8>(default_mii.mouth_type));
+    core_data.SetMouthType(static_cast<MouthType>(default_mii.mouth_type));
     core_data.SetMouthColor(
         RawData::GetMouthColorFromVer3(static_cast<u8>(default_mii.mouth_color)));
     core_data.SetMouthScale(static_cast<u8>(default_mii.mouth_scale));
@@ -75,10 +76,8 @@ void StoreData::BuildDefault(u32 mii_index) {
     core_data.SetType(static_cast<u8>(default_mii.type));
     core_data.SetNickname(default_mii.nickname);
 
-    const auto device_id = MiiUtil::GetDeviceId();
     create_id = MiiUtil::MakeCreateId();
-    device_crc = MiiUtil::CalculateCrc16(&device_id, sizeof(Common::UUID));
-    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData));
+    SetChecksum();
 }
 
 void StoreData::BuildBase(Gender gender) {
@@ -109,13 +108,13 @@ void StoreData::BuildBase(Gender gender) {
     core_data.SetEyebrowAspect(static_cast<u8>(default_mii.eyebrow_aspect));
     core_data.SetEyebrowRotate(static_cast<u8>(default_mii.eyebrow_rotate));
     core_data.SetEyebrowX(static_cast<u8>(default_mii.eyebrow_x));
-    core_data.SetEyebrowY(static_cast<u8>(default_mii.eyebrow_y));
+    core_data.SetEyebrowY(static_cast<u8>(default_mii.eyebrow_y - 3));
 
     core_data.SetNoseType(static_cast<NoseType>(default_mii.nose_type));
     core_data.SetNoseScale(static_cast<u8>(default_mii.nose_scale));
     core_data.SetNoseY(static_cast<u8>(default_mii.nose_y));
 
-    core_data.SetMouthType(static_cast<u8>(default_mii.mouth_type));
+    core_data.SetMouthType(static_cast<MouthType>(default_mii.mouth_type));
     core_data.SetMouthColor(
         RawData::GetMouthColorFromVer3(static_cast<u8>(default_mii.mouth_color)));
     core_data.SetMouthScale(static_cast<u8>(default_mii.mouth_scale));
@@ -149,37 +148,51 @@ void StoreData::BuildBase(Gender gender) {
     core_data.SetType(static_cast<u8>(default_mii.type));
     core_data.SetNickname(default_mii.nickname);
 
-    const auto device_id = MiiUtil::GetDeviceId();
     create_id = MiiUtil::MakeCreateId();
-    device_crc = MiiUtil::CalculateCrc16(&device_id, sizeof(Common::UUID));
-    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData));
+    SetChecksum();
 }
 
 void StoreData::BuildRandom(Age age, Gender gender, Race race) {
     core_data.BuildRandom(age, gender, race);
-    const auto device_id = MiiUtil::GetDeviceId();
     create_id = MiiUtil::MakeCreateId();
-    device_crc = MiiUtil::CalculateCrc16(&device_id, sizeof(Common::UUID));
-    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData));
+    SetChecksum();
 }
 
-void StoreData::SetInvalidName() {
-    const auto& invalid_name = core_data.GetInvalidNickname();
+void StoreData::BuildWithCharInfo(const CharInfo& char_info) {
+    core_data.BuildFromCharInfo(char_info);
+    create_id = MiiUtil::MakeCreateId();
+    SetChecksum();
+}
+
+void StoreData::BuildWithCoreData(const CoreData& in_core_data) {
+    core_data = in_core_data;
+    create_id = MiiUtil::MakeCreateId();
+    SetChecksum();
+}
+
+Result StoreData::Restore() {
+    // TODO: Implement this
+    return ResultNotUpdated;
+}
+
+ValidationResult StoreData::IsValid() const {
+    if (core_data.IsValid() != ValidationResult::NoErrors) {
+        return core_data.IsValid();
+    }
+    if (data_crc != MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData) + sizeof(Common::UUID))) {
+        return ValidationResult::InvalidChecksum;
+    }
     const auto device_id = MiiUtil::GetDeviceId();
-    core_data.SetNickname(invalid_name);
-    device_crc = MiiUtil::CalculateCrc16(&device_id, sizeof(Common::UUID));
-    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData));
+    if (device_crc != MiiUtil::CalculateDeviceCrc16(device_id, sizeof(StoreData))) {
+        return ValidationResult::InvalidChecksum;
+    }
+    return ValidationResult::NoErrors;
 }
 
 bool StoreData::IsSpecial() const {
     return GetType() == 1;
 }
 
-u32 StoreData::IsValid() const {
-    // TODO: complete this
-    return 0;
-}
-
 void StoreData::SetFontRegion(FontRegion value) {
     core_data.SetFontRegion(value);
 }
@@ -304,7 +317,7 @@ void StoreData::SetNoseY(u8 value) {
     core_data.SetNoseY(value);
 }
 
-void StoreData::SetMouthType(u8 value) {
+void StoreData::SetMouthType(MouthType value) {
     core_data.SetMouthType(value);
 }
 
@@ -380,6 +393,26 @@ void StoreData::SetNickname(Nickname value) {
     core_data.SetNickname(value);
 }
 
+void StoreData::SetInvalidName() {
+    const auto& invalid_name = core_data.GetInvalidNickname();
+    core_data.SetNickname(invalid_name);
+    SetChecksum();
+}
+
+void StoreData::SetChecksum() {
+    SetDataChecksum();
+    SetDeviceChecksum();
+}
+
+void StoreData::SetDataChecksum() {
+    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData) + sizeof(Common::UUID));
+}
+
+void StoreData::SetDeviceChecksum() {
+    const auto device_id = MiiUtil::GetDeviceId();
+    device_crc = MiiUtil::CalculateDeviceCrc16(device_id, sizeof(StoreData));
+}
+
 Common::UUID StoreData::GetCreateId() const {
     return create_id;
 }
@@ -585,7 +618,7 @@ Nickname StoreData::GetNickname() const {
 }
 
 bool StoreData::operator==(const StoreData& data) {
-    bool is_identical = data.core_data.IsValid() == 0;
+    bool is_identical = data.core_data.IsValid() == ValidationResult::NoErrors;
     is_identical &= core_data.GetNickname().data == data.core_data.GetNickname().data;
     is_identical &= GetCreateId() == data.GetCreateId();
     is_identical &= GetFontRegion() == data.GetFontRegion();
diff --git a/src/core/hle/service/mii/types/store_data.h b/src/core/hle/service/mii/types/store_data.h
index 224c32cf8..38f534d26 100644
--- a/src/core/hle/service/mii/types/store_data.h
+++ b/src/core/hle/service/mii/types/store_data.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include "core/hle/result.h"
 #include "core/hle/service/mii/mii_types.h"
 #include "core/hle/service/mii/types/core_data.h"
 
@@ -10,17 +11,16 @@ namespace Service::Mii {
 
 class StoreData {
 public:
-    // nn::mii::detail::StoreDataRaw::BuildDefault
     void BuildDefault(u32 mii_index);
-    // nn::mii::detail::StoreDataRaw::BuildDefault
-
     void BuildBase(Gender gender);
-    // nn::mii::detail::StoreDataRaw::BuildRandom
     void BuildRandom(Age age, Gender gender, Race race);
+    void BuildWithCharInfo(const CharInfo& char_info);
+    void BuildWithCoreData(const CoreData& in_core_data);
+    Result Restore();
 
-    bool IsSpecial() const;
+    ValidationResult IsValid() const;
 
-    u32 IsValid() const;
+    bool IsSpecial() const;
 
     void SetFontRegion(FontRegion value);
     void SetFavoriteColor(FavoriteColor value);
@@ -53,7 +53,7 @@ public:
     void SetNoseType(NoseType value);
     void SetNoseScale(u8 value);
     void SetNoseY(u8 value);
-    void SetMouthType(u8 value);
+    void SetMouthType(MouthType value);
     void SetMouthColor(CommonColor value);
     void SetMouthScale(u8 value);
     void SetMouthAspect(u8 value);
@@ -73,6 +73,9 @@ public:
     void SetMoleY(u8 value);
     void SetNickname(Nickname nickname);
     void SetInvalidName();
+    void SetChecksum();
+    void SetDataChecksum();
+    void SetDeviceChecksum();
 
     Common::UUID GetCreateId() const;
     FontRegion GetFontRegion() const;
diff --git a/src/core/hle/service/mii/types/ver3_store_data.cpp b/src/core/hle/service/mii/types/ver3_store_data.cpp
index 1c28e0b1b..a019cc9f7 100644
--- a/src/core/hle/service/mii/types/ver3_store_data.cpp
+++ b/src/core/hle/service/mii/types/ver3_store_data.cpp
@@ -22,12 +22,6 @@ void NfpStoreDataExtension::SetFromStoreData(const StoreData& store_data) {
 void Ver3StoreData::BuildToStoreData(StoreData& out_store_data) const {
     out_store_data.BuildBase(Gender::Male);
 
-    if (!IsValid()) {
-        return;
-    }
-
-    // TODO: We are ignoring a bunch of data from the mii_v3
-
     out_store_data.SetGender(static_cast<Gender>(mii_information.gender.Value()));
     out_store_data.SetFavoriteColor(
         static_cast<FavoriteColor>(mii_information.favorite_color.Value()));
@@ -36,65 +30,71 @@ void Ver3StoreData::BuildToStoreData(StoreData& out_store_data) const {
 
     out_store_data.SetNickname(mii_name);
     out_store_data.SetFontRegion(
-        static_cast<FontRegion>(static_cast<u8>(region_information.font_region)));
+        static_cast<FontRegion>(static_cast<u8>(region_information.font_region.Value())));
 
     out_store_data.SetFacelineType(
         static_cast<FacelineType>(appearance_bits1.faceline_type.Value()));
     out_store_data.SetFacelineColor(
-        static_cast<FacelineColor>(appearance_bits1.faceline_color.Value()));
+        RawData::GetFacelineColorFromVer3(appearance_bits1.faceline_color.Value()));
     out_store_data.SetFacelineWrinkle(
         static_cast<FacelineWrinkle>(appearance_bits2.faceline_wrinkle.Value()));
     out_store_data.SetFacelineMake(
         static_cast<FacelineMake>(appearance_bits2.faceline_make.Value()));
 
     out_store_data.SetHairType(static_cast<HairType>(hair_type));
-    out_store_data.SetHairColor(static_cast<CommonColor>(appearance_bits3.hair_color.Value()));
+    out_store_data.SetHairColor(RawData::GetHairColorFromVer3(appearance_bits3.hair_color.Value()));
     out_store_data.SetHairFlip(static_cast<HairFlip>(appearance_bits3.hair_flip.Value()));
 
     out_store_data.SetEyeType(static_cast<EyeType>(appearance_bits4.eye_type.Value()));
-    out_store_data.SetEyeColor(static_cast<CommonColor>(appearance_bits4.eye_color.Value()));
-    out_store_data.SetEyeScale(static_cast<u8>(appearance_bits4.eye_scale));
-    out_store_data.SetEyeAspect(static_cast<u8>(appearance_bits4.eye_aspect));
-    out_store_data.SetEyeRotate(static_cast<u8>(appearance_bits4.eye_rotate));
-    out_store_data.SetEyeX(static_cast<u8>(appearance_bits4.eye_x));
-    out_store_data.SetEyeY(static_cast<u8>(appearance_bits4.eye_y));
+    out_store_data.SetEyeColor(RawData::GetEyeColorFromVer3(appearance_bits4.eye_color.Value()));
+    out_store_data.SetEyeScale(static_cast<u8>(appearance_bits4.eye_scale.Value()));
+    out_store_data.SetEyeAspect(static_cast<u8>(appearance_bits4.eye_aspect.Value()));
+    out_store_data.SetEyeRotate(static_cast<u8>(appearance_bits4.eye_rotate.Value()));
+    out_store_data.SetEyeX(static_cast<u8>(appearance_bits4.eye_x.Value()));
+    out_store_data.SetEyeY(static_cast<u8>(appearance_bits4.eye_y.Value()));
 
     out_store_data.SetEyebrowType(static_cast<EyebrowType>(appearance_bits5.eyebrow_type.Value()));
     out_store_data.SetEyebrowColor(
-        static_cast<CommonColor>(appearance_bits5.eyebrow_color.Value()));
-    out_store_data.SetEyebrowScale(static_cast<u8>(appearance_bits5.eyebrow_scale));
-    out_store_data.SetEyebrowAspect(static_cast<u8>(appearance_bits5.eyebrow_aspect));
-    out_store_data.SetEyebrowRotate(static_cast<u8>(appearance_bits5.eyebrow_rotate));
-    out_store_data.SetEyebrowX(static_cast<u8>(appearance_bits5.eyebrow_x));
-    out_store_data.SetEyebrowY(static_cast<u8>(appearance_bits5.eyebrow_y));
+        RawData::GetHairColorFromVer3(appearance_bits5.eyebrow_color.Value()));
+    out_store_data.SetEyebrowScale(static_cast<u8>(appearance_bits5.eyebrow_scale.Value()));
+    out_store_data.SetEyebrowAspect(static_cast<u8>(appearance_bits5.eyebrow_aspect.Value()));
+    out_store_data.SetEyebrowRotate(static_cast<u8>(appearance_bits5.eyebrow_rotate.Value()));
+    out_store_data.SetEyebrowX(static_cast<u8>(appearance_bits5.eyebrow_x.Value()));
+    out_store_data.SetEyebrowY(static_cast<u8>(appearance_bits5.eyebrow_y.Value() - 3));
 
     out_store_data.SetNoseType(static_cast<NoseType>(appearance_bits6.nose_type.Value()));
-    out_store_data.SetNoseScale(static_cast<u8>(appearance_bits6.nose_scale));
-    out_store_data.SetNoseY(static_cast<u8>(appearance_bits6.nose_y));
+    out_store_data.SetNoseScale(static_cast<u8>(appearance_bits6.nose_scale.Value()));
+    out_store_data.SetNoseY(static_cast<u8>(appearance_bits6.nose_y.Value()));
 
-    out_store_data.SetMouthType(static_cast<u8>(appearance_bits7.mouth_type));
-    out_store_data.SetMouthColor(static_cast<CommonColor>(appearance_bits7.mouth_color.Value()));
-    out_store_data.SetMouthScale(static_cast<u8>(appearance_bits7.mouth_scale));
-    out_store_data.SetMouthAspect(static_cast<u8>(appearance_bits7.mouth_aspect));
-    out_store_data.SetMouthY(static_cast<u8>(appearance_bits8.mouth_y));
+    out_store_data.SetMouthType(static_cast<MouthType>(appearance_bits7.mouth_type.Value()));
+    out_store_data.SetMouthColor(
+        RawData::GetMouthColorFromVer3(appearance_bits7.mouth_color.Value()));
+    out_store_data.SetMouthScale(static_cast<u8>(appearance_bits7.mouth_scale.Value()));
+    out_store_data.SetMouthAspect(static_cast<u8>(appearance_bits7.mouth_aspect.Value()));
+    out_store_data.SetMouthY(static_cast<u8>(appearance_bits8.mouth_y.Value()));
 
     out_store_data.SetMustacheType(
         static_cast<MustacheType>(appearance_bits8.mustache_type.Value()));
-    out_store_data.SetMustacheScale(static_cast<u8>(appearance_bits9.mustache_scale));
-    out_store_data.SetMustacheY(static_cast<u8>(appearance_bits9.mustache_y));
+    out_store_data.SetMustacheScale(static_cast<u8>(appearance_bits9.mustache_scale.Value()));
+    out_store_data.SetMustacheY(static_cast<u8>(appearance_bits9.mustache_y.Value()));
 
     out_store_data.SetBeardType(static_cast<BeardType>(appearance_bits9.beard_type.Value()));
-    out_store_data.SetBeardColor(static_cast<CommonColor>(appearance_bits9.beard_color.Value()));
+    out_store_data.SetBeardColor(
+        RawData::GetHairColorFromVer3(appearance_bits9.beard_color.Value()));
 
+    // Glass type is compatible as it is. It doesn't need a table
     out_store_data.SetGlassType(static_cast<GlassType>(appearance_bits10.glass_type.Value()));
-    out_store_data.SetGlassColor(static_cast<CommonColor>(appearance_bits10.glass_color.Value()));
-    out_store_data.SetGlassScale(static_cast<u8>(appearance_bits10.glass_scale));
-    out_store_data.SetGlassY(static_cast<u8>(appearance_bits10.glass_y));
+    out_store_data.SetGlassColor(
+        RawData::GetGlassColorFromVer3(appearance_bits10.glass_color.Value()));
+    out_store_data.SetGlassScale(static_cast<u8>(appearance_bits10.glass_scale.Value()));
+    out_store_data.SetGlassY(static_cast<u8>(appearance_bits10.glass_y.Value()));
 
     out_store_data.SetMoleType(static_cast<MoleType>(appearance_bits11.mole_type.Value()));
-    out_store_data.SetMoleScale(static_cast<u8>(appearance_bits11.mole_scale));
-    out_store_data.SetMoleX(static_cast<u8>(appearance_bits11.mole_x));
-    out_store_data.SetMoleY(static_cast<u8>(appearance_bits11.mole_y));
+    out_store_data.SetMoleScale(static_cast<u8>(appearance_bits11.mole_scale.Value()));
+    out_store_data.SetMoleX(static_cast<u8>(appearance_bits11.mole_x.Value()));
+    out_store_data.SetMoleY(static_cast<u8>(appearance_bits11.mole_y.Value()));
+
+    out_store_data.SetChecksum();
 }
 
 void Ver3StoreData::BuildFromStoreData(const StoreData& store_data) {
@@ -220,7 +220,7 @@ u32 Ver3StoreData::IsValid() const {
 
     is_valid = is_valid && (appearance_bits8.mustache_type <= static_cast<u8>(MustacheType::Max));
     is_valid = is_valid && (appearance_bits9.mustache_scale < MaxMustacheScale);
-    is_valid = is_valid && (appearance_bits9.mustache_y <= MasMustacheY);
+    is_valid = is_valid && (appearance_bits9.mustache_y <= MaxMustacheY);
 
     is_valid = is_valid && (appearance_bits9.beard_type <= static_cast<u8>(BeardType::Max));
     is_valid = is_valid && (appearance_bits9.beard_color <= MaxVer3CommonColor);
@@ -228,7 +228,7 @@ u32 Ver3StoreData::IsValid() const {
     is_valid = is_valid && (appearance_bits10.glass_type <= MaxVer3GlassType);
     is_valid = is_valid && (appearance_bits10.glass_color <= MaxVer3CommonColor - 2);
     is_valid = is_valid && (appearance_bits10.glass_scale <= MaxGlassScale);
-    is_valid = is_valid && (appearance_bits10.glass_y <= MaxGlassScale);
+    is_valid = is_valid && (appearance_bits10.glass_y <= MaxGlassY);
 
     is_valid = is_valid && (appearance_bits11.mole_type <= static_cast<u8>(MoleType::Max));
     is_valid = is_valid && (appearance_bits11.mole_scale <= MaxMoleScale);