kern: skeleton enough types to init KCoreLocalRegion in main()

libraries/libmesosphere/include/mesosphere/kern_k_interrupt_task_manager.hpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <mesosphere/kern_k_interrupt_task.hpp>
+
+namespace ams::kern {
+
+    class KThread;
+
+    class KInterruptTaskManager {
+        private:
+            class TaskQueue {
+                private:
+                    KInterruptTask *head;
+                    KInterruptTask *tail;
+                public:
+                    constexpr TaskQueue() : head(nullptr), tail(nullptr) { /* ... */ }
+
+                    ALWAYS_INLINE KInterruptTask *GetHead() { return this->head; }
+                    ALWAYS_INLINE bool IsEmpty() const { return this->head == nullptr; }
+                    ALWAYS_INLINE void Clear() { this->head = nullptr; this->tail = nullptr; }
+
+                    void Enqueue(KInterruptTask *task);
+                    void Dequeue();
+            };
+        private:
+            TaskQueue task_queue;
+            KThread *thread;
+        public:
+            /* TODO: Actually implement KInterruptTaskManager. This is a placeholder. */
+    };
+
+}