From 84b4ae56d8b9ac5ea0991d60fbf19510338021e0 Mon Sep 17 00:00:00 2001
From: Starlet <gpyron@mail.com>
Date: Mon, 9 Jul 2018 22:13:32 -0400
Subject: [PATCH] [NV] Fix NvHostCtrlGetConfig

---
 .../Nv/NvHostCtrl/NvHostCtrlGetConfig.cs      | 14 +++++++++
 .../Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs | 29 ++++++++++++++++---
 2 files changed, 39 insertions(+), 4 deletions(-)
 create mode 100644 Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlGetConfig.cs

diff --git a/Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlGetConfig.cs b/Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlGetConfig.cs
new file mode 100644
index 000000000..eda199a36
--- /dev/null
+++ b/Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlGetConfig.cs
@@ -0,0 +1,14 @@
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.HLE.OsHle.Services.Nv.NvHostCtrl
+{
+    struct NvHostCtrlGetConfig
+    {
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x41)]
+        public string DomainString;
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x41)]
+        public string ParameterString;
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x101)]
+        public string ConfigurationString;
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs b/Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
index a9fd9d3ab..8474bbcd0 100644
--- a/Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
+++ b/Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
@@ -74,12 +74,33 @@ namespace Ryujinx.HLE.OsHle.Services.Nv.NvHostCtrl
             long InputPosition  = Context.Request.GetBufferType0x21().Position;
             long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
-            string Nv   = AMemoryHelper.ReadAsciiString(Context.Memory, InputPosition + 0,    0x41);
-            string Name = AMemoryHelper.ReadAsciiString(Context.Memory, InputPosition + 0x41, 0x41);
+            NvHostCtrlGetConfig Args = AMemoryHelper.Read<NvHostCtrlGetConfig>(Context.Memory, InputPosition);
 
-            Context.Memory.WriteByte(OutputPosition + 0x82, 0);
+            if (Args.DomainString == "nv")
+            {
+                if (Args.ParameterString == "NV_MEMORY_PROFILER")
+                {
+                    Args.ParameterString = "0";
+                }
+                else if (Args.ParameterString == "NVN_THROUGH_OPENGL")
+                {
+                    Args.ParameterString = "0";
+                }
+                else if (Args.ParameterString == "NVRM_GPU_PREVENT_USE")
+                {
+                    Args.ParameterString = "0";
+                }
+                else
+                {
+                    Args.ParameterString = "0";
+                }
+            }
+            else
+            {
+                Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"Unimplemented domain string! {Args.DomainString}");
+            }
 
-            Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
+            AMemoryHelper.Write(Context.Memory, OutputPosition, Args);
 
             return NvResult.Success;
         }