1 files changed, 41 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Services/Fs/ISaveDataInfoReader.cs b/src/Ryujinx.HLE/HOS/Services/Fs/ISaveDataInfoReader.cs
new file mode 100644
index 00000000..0611375b
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Services/Fs/ISaveDataInfoReader.cs
@@ -0,0 +1,41 @@
+using LibHac;
+using LibHac.Common;
+using LibHac.Sf;
+
+namespace Ryujinx.HLE.HOS.Services.Fs
+{
+    class ISaveDataInfoReader : DisposableIpcService
+    {
+        private SharedRef<LibHac.FsSrv.Sf.ISaveDataInfoReader> _baseReader;
+
+        public ISaveDataInfoReader(ref SharedRef<LibHac.FsSrv.Sf.ISaveDataInfoReader> baseReader)
+        {
+            _baseReader = SharedRef<LibHac.FsSrv.Sf.ISaveDataInfoReader>.CreateMove(ref baseReader);
+        }
+
+        [CommandCmif(0)]
+        // ReadSaveDataInfo() -> (u64, buffer<unknown, 6>)
+        public ResultCode ReadSaveDataInfo(ServiceCtx context)
+        {
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
+            ulong bufferLen = context.Request.ReceiveBuff[0].Size;
+
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Result result = _baseReader.Get.Read(out long readCount, new OutBuffer(region.Memory.Span));
+
+                context.ResponseData.Write(readCount);
+
+                return (ResultCode)result.Value;
+            }
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            if (isDisposing)
+            {
+                _baseReader.Destroy();
+            }
+        }
+    }
+}