kernel: Move serialization code out of headers. (#7312)

src/core/hle/kernel/mutex.cpp

@@ -2,6 +2,9 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <boost/serialization/base_object.hpp>
+#include <boost/serialization/shared_ptr.hpp>
+#include <boost/serialization/string.hpp>
 #include "common/archives.h"
 #include "common/assert.h"
 #include "core/core.h"
@@ -127,4 +130,15 @@ void Mutex::UpdatePriority() {
     }
 }
 
+template <class Archive>
+void Mutex::serialize(Archive& ar, const unsigned int) {
+    ar& boost::serialization::base_object<WaitObject>(*this);
+    ar& lock_count;
+    ar& priority;
+    ar& name;
+    ar& holding_thread;
+    ar& resource_limit;
+}
+SERIALIZE_IMPL(Mutex)
+
 } // namespace Kernel