spl: Start skeletoning spl.

stratosphere/spl/source/spl_secmon_wrapper.hpp

@@ -0,0 +1,53 @@
+/*
+ * 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 "spl_types.hpp"
+
+class SecureMonitorWrapper {
+    public:
+        static constexpr size_t MaxAesKeyslots = 6;
+        static constexpr size_t MaxAesKeyslotsDeprecated = 4;
+    private:
+        uintptr_t keyslot_owners[MaxAesKeyslots] = {};
+        BootReasonValue boot_reason = {};
+        bool boot_reason_set = false;
+    private:
+        static size_t GetMaxKeyslots() {
+            return (GetRuntimeFirmwareVersion() >= FirmwareVersion_600) ? MaxAesKeyslots : MaxAesKeyslotsDeprecated;
+        }
+    private:
+        BootReasonValue GetBootReason() const {
+            return this->boot_reason;
+        }
+        bool IsBootReasonSet() const {
+            return this->boot_reason_set;
+        }
+        static Result ConvertToSplResult(SmcResult result);
+    public:
+        void Initialize();
+    public:
+        Result GetConfig(u64 *out, SplConfigItem which);
+        Result ExpMod(void *out, size_t out_size, const void *base, size_t base_size, const void *exp, size_t exp_size, const void *mod, size_t mod_size);
+        Result SetConfig(SplConfigItem which, u64 value);
+        Result GenerateRandomBytes(void *out, size_t size);
+        Result IsDevelopment(bool *out);
+        Result SetBootReason(BootReasonValue boot_reason);
+        Result GetBootReason(BootReasonValue *out);
+};