From 4930c1a947ed3790a6a5d92f190adf146926684c Mon Sep 17 00:00:00 2001
From: wheremyfoodat <gponiris2004@gmail.com>
Date: Sun, 9 Oct 2022 19:30:15 +0300
Subject: [PATCH] [APT] Stub AppletUtility

---
 include/services/apt.hpp  |  1 +
 src/core/services/apt.cpp | 17 +++++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/include/services/apt.hpp b/include/services/apt.hpp
index b4a3ee30..db4e773e 100644
--- a/include/services/apt.hpp
+++ b/include/services/apt.hpp
@@ -10,6 +10,7 @@ class APTService {
 	MAKE_LOG_FUNCTION(log, aptLogger)
 
 	// Service commands
+	void appletUtility(u32 messagePointer);
 	void getLockHandle(u32 messagePointer);
 	void checkNew3DS(u32 messagePointer);
 	void enable(u32 messagePointer);
diff --git a/src/core/services/apt.cpp b/src/core/services/apt.cpp
index 714d29f8..57393648 100644
--- a/src/core/services/apt.cpp
+++ b/src/core/services/apt.cpp
@@ -4,9 +4,10 @@ namespace APTCommands {
 	enum : u32 {
 		GetLockHandle = 0x00010040,
 		Enable = 0x00030040,
-		CheckNew3DS = 0x01020000,
+		ReceiveParameter = 0x000D0080,
 		NotifyToWait = 0x00430040,
-		ReceiveParameter = 0x000D0080
+		AppletUtility = 0x004B00C2,
+		CheckNew3DS = 0x01020000
 	};
 }
 
@@ -29,6 +30,7 @@ void APTService::reset() {}
 void APTService::handleSyncRequest(u32 messagePointer) {
 	const u32 command = mem.read32(messagePointer);
 	switch (command) {
+		case APTCommands::AppletUtility: appletUtility(messagePointer); break;
 		case APTCommands::CheckNew3DS: checkNew3DS(messagePointer); break;
 		case APTCommands::Enable: enable(messagePointer); break;
 		case APTCommands::GetLockHandle: getLockHandle(messagePointer); break;
@@ -38,6 +40,17 @@ void APTService::handleSyncRequest(u32 messagePointer) {
 	}
 }
 
+void APTService::appletUtility(u32 messagePointer) {
+	u32 utility = mem.read32(messagePointer + 4);
+	u32 inputSize = mem.read32(messagePointer + 8);
+	u32 outputSize = mem.read32(messagePointer + 12);
+	u32 inputPointer = mem.read32(messagePointer + 20);
+
+	log("APT::AppletUtility(utility = %d, input size = %x, output size = %x, inputPointer = %08X)\n", utility, inputSize,
+		outputSize, inputPointer);
+	mem.write32(messagePointer + 4, Result::Success);
+}
+
 void APTService::checkNew3DS(u32 messagePointer) {
 	log("APT::CheckNew3DS\n");
 	mem.write32(messagePointer + 4, Result::Success);