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

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);
+		}
+	}
 };