From 8824422cf795d825a220f30fc98696c641669c12 Mon Sep 17 00:00:00 2001
From: LotP1 <rasmus.stilling.pedersen1@gmail.com>
Date: Mon, 20 Jan 2025 21:50:14 +0100
Subject: [PATCH 1/2] fix incorrect rusultcode value

---
 src/Ryujinx.HLE/HOS/Services/Spl/IGeneralInterface.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Ryujinx.HLE/HOS/Services/Spl/IGeneralInterface.cs b/src/Ryujinx.HLE/HOS/Services/Spl/IGeneralInterface.cs
index 4a2a910f8..ade67b9c0 100644
--- a/src/Ryujinx.HLE/HOS/Services/Spl/IGeneralInterface.cs
+++ b/src/Ryujinx.HLE/HOS/Services/Spl/IGeneralInterface.cs
@@ -51,6 +51,9 @@ namespace Ryujinx.HLE.HOS.Services.Spl
 
             context.ResponseData.Write(configValue);
 
+            if (result == SmcResult.Success)
+                return ResultCode.Success;
+
             return (ResultCode)((int)result << 9) | ResultCode.ModuleId;
         }
 
-- 
2.47.1


From f0b3c99ea2a3fc3e8bedf0f06fb005785b01675c Mon Sep 17 00:00:00 2001
From: LotP1 <rasmus.stilling.pedersen1@gmail.com>
Date: Mon, 20 Jan 2025 21:51:30 +0100
Subject: [PATCH 2/2] implement GetSerialNumber

will result a custom, invalid, serial number
the serial number does follow the serial number rules
---
 .../HOS/Services/Settings/ISystemSettingsServer.cs       | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Ryujinx.HLE/HOS/Services/Settings/ISystemSettingsServer.cs b/src/Ryujinx.HLE/HOS/Services/Settings/ISystemSettingsServer.cs
index 65748be33..846c4dc4f 100644
--- a/src/Ryujinx.HLE/HOS/Services/Settings/ISystemSettingsServer.cs
+++ b/src/Ryujinx.HLE/HOS/Services/Settings/ISystemSettingsServer.cs
@@ -244,6 +244,15 @@ namespace Ryujinx.HLE.HOS.Services.Settings
             return ResultCode.Success;
         }
 
+        [CommandCmif(68)]
+        // GetSerialNumber() -> buffer<nn::settings::system::SerialNumber, 0x16>
+        public ResultCode GetSerialNumber(ServiceCtx context)
+        {
+            context.ResponseData.Write(Encoding.ASCII.GetBytes("RYU00000000000"));
+
+            return ResultCode.Success;
+        }
+
         [CommandCmif(77)]
         // GetDeviceNickName() -> buffer<nn::settings::system::DeviceNickName, 0x16>
         public ResultCode GetDeviceNickName(ServiceCtx context)
-- 
2.47.1