[core] more leaf for speedup

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.Imports.cs

@@ -482,6 +482,8 @@ public sealed partial class DirectExecutionBackend
 		catch (Exception ex)
 		{
 			LastError = $"HLE dispatch error for {importStubEntry.Nid}: {ex.GetType().Name}: {ex.Message}";
+			Console.Error.WriteLine($"[LOADER][ERROR] {LastError}");
+			Console.Error.WriteLine($"[LOADER][ERROR] {ex.StackTrace}");
 			cpuContext[CpuRegister.Rax] = 18446744071562199298uL;
 			return 18446744071562199298uL;
 		}
@@ -533,11 +535,22 @@ public sealed partial class DirectExecutionBackend
 				$"ret=0x{returnRip:X16}");
 		}
 
+		int returnValue;
+		if (IsNoBlockLeafImport(importStubEntry.Nid))
+		{
+			cpuContext.ClearRaxWriteFlag();
+			returnValue = export.Function(cpuContext);
+			if (!cpuContext.WasRaxWritten)
+			{
+				cpuContext[CpuRegister.Rax] = unchecked((ulong)returnValue);
+			}
+		}
+		else
+		{
 			var previousImportCallFrame = GuestThreadExecution.EnterImportCallFrame(
 				returnRip,
 				(ulong)argPackPtr + 104uL,
 				ActiveGuestReturnSlotAddress);
-		int returnValue;
 			try
 			{
 				cpuContext.ClearRaxWriteFlag();
@@ -551,6 +564,7 @@ public sealed partial class DirectExecutionBackend
 			{
 				GuestThreadExecution.RestoreImportCallFrame(previousImportCallFrame);
 			}
+		}
 
 		if (returnValue != (int)OrbisGen2Result.ORBIS_GEN2_OK)
 		{
@@ -594,6 +608,28 @@ public sealed partial class DirectExecutionBackend
 		return true;
 	}
 
+	private static bool IsNoBlockLeafImport(string nid) =>
+		nid is
+			"8aI7R7WaOlc" or // sceAmprCommandBufferConstructor
+			"a8uLzYY--tM" or // sceAmprAprCommandBufferConstructor
+			"Qs1xtplKo0U" or // sceAmprAprCommandBufferDestructor
+			"GuchCTefuZw" or // sceAmprCommandBufferDestructor
+			"N-FSPA4S3nI" or // sceAmprCommandBufferSetBuffer
+			"baQO9ez2gL4" or // sceAmprCommandBufferReset
+			"ULvXMDz56po" or // sceAmprCommandBufferClearBuffer
+			"mQ16-QdKv7k" or // sceAmprAprCommandBufferReadFile
+			"vWU-odnS+fU" or // sceAmprMeasureCommandSizeReadFile
+			"sSAUCCU1dv4" or // sceAmprMeasureCommandSizeWriteKernelEventQueue_04_00
+			"C+IEj+BsAFM" or // sceAmprMeasureCommandSizeWriteAddressOnCompletion
+			"tZDDEo2tE5k" or // sceAmprCommandBufferGetSize
+			"GnxKOHEawhk" or // sceAmprCommandBufferGetCurrentOffset
+			"H896Pt-yB4I" or // sceAmprCommandBufferWriteKernelEventQueue_04_00
+			"sJXyWHjP-F8" or // sceAmprCommandBufferWriteAddressOnCompletion
+			"ASoW5WE-UPo" or // sceKernelAprSubmitCommandBufferAndGetResult
+			"rqwFKI4PAiM" or // sceKernelAprWaitCommandBuffer
+			"eE4Szl8sil8" or // sceKernelAprSubmitCommandBuffer
+			"qvMUCyyaCSI";   // sceKernelAprSubmitCommandBufferAndGetId
+
 	private bool ShouldLogImportResult(string nid, OrbisGen2Result result)
 	{
 		var expectedFileProbeMiss =
@@ -602,7 +638,10 @@ public sealed partial class DirectExecutionBackend
 		var expectedTimedWaitTimeout =
 			string.Equals(nid, "27bAgiJmOh0", StringComparison.Ordinal) &&
 			unchecked((int)result) == 60;
-		if (!expectedFileProbeMiss && !expectedTimedWaitTimeout)
+		var expectedMutexTrylockBusy =
+			string.Equals(nid, "K-jXhbt2gn4", StringComparison.Ordinal) &&
+			result == OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY;
+		if (!expectedFileProbeMiss && !expectedTimedWaitTimeout && !expectedMutexTrylockBusy)
 		{
 			return true;
 		}
@@ -684,7 +723,11 @@ public sealed partial class DirectExecutionBackend
 			"Vo5V8KAwCmk" or // sceSystemServiceHideSplashScreen
 			"TywrFKCoLGY" or // sceSaveDataInitialize3
 			"dyIhnXq-0SM" or // sceSaveDataDirNameSearch
+			"ERKzksauAJA" or // sceSaveDataDialogGetStatus
+			"KK3Bdg1RWK0" or // sceSaveDataDialogUpdateStatus
+			"en7gNVnh878" or // sceSaveDataDialogIsReadyToDisplay
 			"jO8DM8oyego" or // sceNpEntitlementAccessInitialize
+			"TFyU+KFBv54" or // sceNpEntitlementAccessGetAddcontEntitlementInfoList
 			"27bAgiJmOh0" or // pthread_cond_timedwait
 			"iQw3iQPhvUQ" or // sceNetCtlCheckCallback
 			"Q2V+iqvjgC0" or // vsnprintf