Kernel: Add even more AARCH64 stubs

Author: https://github.com/gunnarbeutner
Commit: 056e406a12
Pull-request: https://github.com/SerenityOS/serenity/pull/15661
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/FireFox317
Reviewed-by: https://github.com/linusg

Kernel/Arch/aarch64/Processor.cpp

@@ -65,6 +65,33 @@ u32 Processor::smp_wake_n_idle_processors(u32 wake_count)
     TODO_AARCH64();
 }
 
+void Processor::initialize_context_switching(Thread& initial_thread)
+{
+    (void)initial_thread;
+    TODO_AARCH64();
+}
+
+void Processor::switch_context(Thread*& from_thread, Thread*& to_thread)
+{
+    (void)from_thread;
+    (void)to_thread;
+    TODO_AARCH64();
+}
+
+void Processor::assume_context(Thread& thread, FlatPtr flags)
+{
+    (void)thread;
+    (void)flags;
+    TODO_AARCH64();
+}
+
+FlatPtr Processor::init_context(Thread& thread, bool leave_crit)
+{
+    (void)thread;
+    (void)leave_crit;
+    TODO_AARCH64();
+}
+
 ErrorOr<Vector<FlatPtr, 32>> Processor::capture_stack_trace(Thread& thread, size_t max_frames)
 {
     (void)thread;
@@ -73,4 +100,9 @@ ErrorOr<Vector<FlatPtr, 32>> Processor::capture_stack_trace(Thread& thread, size
     return Vector<FlatPtr, 32> {};
 }
 
+void Processor::check_invoke_scheduler()
+{
+    TODO_AARCH64();
+}
+
 }