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

libraries/libmesosphere/include/mesosphere/kern_k_interrupt_task.hpp

@@ -0,0 +1,44 @@
+/*
+ * 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
+
+namespace ams::kern {
+
+    class KInterruptTask;
+
+    class KInterruptHandler {
+        public:
+            virtual KInterruptTask *OnInterrupt(s32 interrupt_id) = 0;
+    };
+
+    class KInterruptTask : public KInterruptHandler {
+        private:
+            KInterruptTask *next_task;
+        public:
+            constexpr ALWAYS_INLINE KInterruptTask() : next_task(nullptr) { /* ... */ }
+
+            ALWAYS_INLINE KInterruptTask *GetNextTask() const {
+                return this->next_task;
+            }
+
+            ALWAYS_INLINE void SetNextTask(KInterruptTask *t) {
+                this->next_task = t;
+            }
+
+            virtual void DoTask() = 0;
+    };
+
+}