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

libraries/libmesosphere/include/mesosphere/kern_k_scheduler.hpp

@@ -0,0 +1,45 @@
+/*
+ * 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_thread.hpp>
+
+namespace ams::kern {
+
+    class KScheduler {
+        NON_COPYABLE(KScheduler);
+        NON_MOVEABLE(KScheduler);
+        public:
+            struct SchedulingState {
+                std::atomic<bool> needs_scheduling;
+                bool interrupt_task_thread_runnable;
+                bool should_count_idle;
+                u64  idle_count;
+                KThread *highest_priority_thread;
+                void *idle_thread_stack;
+            };
+        private:
+            SchedulingState state;
+            bool is_active;
+            s32 core_id;
+            KThread *prev_thread;
+            u64 last_context_switch_time;
+            KThread *idle_thread;
+        public:
+            KScheduler();
+            /* TODO: Actually implement KScheduler. This is a placeholder. */
+    };
+
+}