git subrepo clone https://github.com/Atmosphere-NX/Atmosphere-libs libraries

subrepo:
  subdir:   "libraries"
  merged:   "07af583b"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "07af583b"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"

libraries/libstratosphere/source/spl/spl_api.cpp

@@ -0,0 +1,75 @@
+/*
+ * 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/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::spl {
+
+    HardwareType GetHardwareType() {
+        u64 out_val = 0;
+        R_ASSERT(splGetConfig(SplConfigItem_HardwareType, &out_val));
+        return static_cast<HardwareType>(out_val);
+    }
+
+    MemoryArrangement GetMemoryArrangement() {
+        u64 arrange = 0;
+        R_ASSERT(splGetConfig(SplConfigItem_MemoryArrange, &arrange));
+        arrange &= 0x3F;
+        switch (arrange) {
+            case 2:
+                return MemoryArrangement_StandardForAppletDev;
+            case 3:
+                return MemoryArrangement_StandardForSystemDev;
+            case 17:
+                return MemoryArrangement_Expanded;
+            case 18:
+                return MemoryArrangement_ExpandedForAppletDev;
+            default:
+                return MemoryArrangement_Standard;
+        }
+    }
+
+    bool IsDevelopmentHardware() {
+        bool is_dev_hardware;
+        R_ASSERT(splIsDevelopment(&is_dev_hardware));
+        return is_dev_hardware;
+    }
+
+    bool IsDevelopmentFunctionEnabled() {
+        u64 val = 0;
+        R_ASSERT(splGetConfig(SplConfigItem_IsDebugMode, &val));
+        return val != 0;
+    }
+
+    bool IsRecoveryBoot() {
+        u64 val = 0;
+        R_ASSERT(splGetConfig(SplConfigItem_IsRecoveryBoot, &val));
+        return val != 0;
+    }
+
+    bool IsMariko() {
+        const auto hw_type = GetHardwareType();
+        switch (hw_type) {
+            case HardwareType::Icosa:
+            case HardwareType::Copper:
+                return false;
+            case HardwareType::Hoag:
+            case HardwareType::Iowa:
+                return true;
+            AMS_UNREACHABLE_DEFAULT_CASE();
+        }
+    }
+
+}