fusee_cpp: skeleton the remaining code flow

fusee_cpp/program/source/fusee_setup_horizon.cpp

@@ -0,0 +1,27 @@
+/*
+ * 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/>.
+ */
+#include <exosphere.hpp>
+#include "fusee_setup_horizon.hpp"
+#include "fusee_fatal.hpp"
+
+namespace ams::nxboot {
+
+    void SetupAndStartHorizon() {
+        /* TODO */
+        ShowFatalError("SetupAndStartHorizon not fully implemented\n");
+    }
+
+}