[APT] Implement new 3DS check, [OS] Fix mem allog bug & impl more of HID

include/services/apt.hpp

@@ -11,6 +11,7 @@ class APTService {
 
 	// Service commands
 	void getLockHandle(u32 messagePointer);
+	void checkNew3DS(u32 messagePointer);
 
 public:
 	APTService(Memory& mem) : mem(mem) {}

include/services/hid.hpp

@@ -7,6 +7,8 @@
 class HIDService {
 	Handle handle = KernelHandles::HID;
 	Memory& mem;
+	u8* sharedMem; // Pointer to HID shared memory
+
 	MAKE_LOG_FUNCTION(log, hidLogger)
 
 	// Service commands
@@ -16,4 +18,11 @@ public:
 	HIDService(Memory& mem) : mem(mem) {}
 	void reset();
 	void handleSyncRequest(u32 messagePointer);
+
+	void setSharedMem(u8* ptr) {
+		sharedMem = ptr;
+		if (ptr != nullptr) { // Zero-fill shared memory in case the process tries to read stale service data or vice versa
+			std::memset(ptr, 0xff, 0x2b0);
+		}
+	}
 };

include/services/service_manager.hpp

@@ -34,6 +34,9 @@ public:
 
 	// Forward a SendSyncRequest IPC message to the service with the respective handle
 	void sendCommandToService(u32 messagePointer, Handle handle);
+
+	// Wrappers for communicating with certain services
 	void requestGPUInterrupt(GPUInterrupt type) { gsp_gpu.requestInterrupt(type); }
 	void setGSPSharedMem(u8* ptr) { gsp_gpu.setSharedMem(ptr); }
+	void setHIDSharedMem(u8* ptr) { hid.setSharedMem(ptr); }
 };