nim: Implement IsLargeResourceAvailable (#1821)

* nim: Implement IsLargeResourceAvailable

* Fix comments

2 files changed, 31 insertions, 0 deletions

diff --git a/Ryujinx.HLE/HOS/Services/Nim/IShopServiceAccessServerInterface.cs b/Ryujinx.HLE/HOS/Services/Nim/IShopServiceAccessServerInterface.cs
index e1e8a57e..585babd1 100644
--- a/Ryujinx.HLE/HOS/Services/Nim/IShopServiceAccessServerInterface.cs
+++ b/Ryujinx.HLE/HOS/Services/Nim/IShopServiceAccessServerInterface.cs
@@ -1,4 +1,6 @@
 using Ryujinx.Common.Logging;
+using Ryujinx.HLE.FileSystem;
+using Ryujinx.HLE.HOS.Services.Arp;
 using Ryujinx.HLE.HOS.Services.Nim.ShopServiceAccessServerInterface;
 
 namespace Ryujinx.HLE.HOS.Services.Nim
@@ -18,5 +20,22 @@ namespace Ryujinx.HLE.HOS.Services.Nim
 
             return ResultCode.Success;
         }
+
+        [Command(4)] // 10.0.0+
+        // IsLargeResourceAvailable(pid) -> b8
+        public ResultCode IsLargeResourceAvailable(ServiceCtx context)
+        {
+            // TODO: Service calls arp:r GetApplicationInstanceId (10.0.0+) then if it fails it calls arp:r GetMicroApplicationInstanceId (10.0.0+)
+            //       then if it fails it returns the arp:r result code.
+
+            // NOTE: Firmare 10.0.0+ don't use the Pid here anymore, but the returned InstanceId. We don't support that for now so we can just use the Pid instead.
+            StorageId baseStorageId = (StorageId)ApplicationLaunchProperty.GetByPid(context).BaseGameStorageId;
+
+            // NOTE: Service returns ResultCode.InvalidArgument if baseStorageId is null, doesn't occur in our case.
+
+            context.ResponseData.Write(baseStorageId == StorageId.Host);
+
+            return ResultCode.Success;
+        }
     }
 }
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diff --git a/Ryujinx.HLE/HOS/Services/Nim/ResultCode.cs b/Ryujinx.HLE/HOS/Services/Nim/ResultCode.cs
new file mode 100644
index 00000000..166e39a3
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Nim/ResultCode.cs
@@ -0,0 +1,12 @@
+namespace Ryujinx.HLE.HOS.Services.Nim
+{
+    enum ResultCode
+    {
+        ModuleId       = 137,
+        ErrorCodeShift = 9,
+
+        Success = 0,
+
+        NullArgument = (90 << ErrorCodeShift) | ModuleId
+    }
+}
\ No newline at end of file