boot: implement CheckAndRepairBootImages

stratosphere/boot/source/updater/updater_bis_save.hpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2018-2019 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 <switch.h>
+#include <stratosphere.hpp>
+
+#include "updater_types.hpp"
+#include "updater_bis_management.hpp"
+
+class BisSave {
+    public:
+        static constexpr size_t SaveSize = BctSize;
+    private:
+        Boot0Accessor accessor;
+        void *save_buffer;
+    public:
+        BisSave() : save_buffer(nullptr) { }
+    private:
+        static size_t GetVerificationFlagOffset(BootModeType mode);
+    public:
+        Result Initialize(void *work_buffer, size_t work_buffer_size);
+        void Finalize();
+
+        Result Load();
+        Result Save();
+        bool GetNeedsVerification(BootModeType mode);
+        void SetNeedsVerification(BootModeType mode, bool needs_verification);
+};