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/ams/ams_exosphere_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>
+#include <stratosphere/spl.hpp>
+#include <stratosphere/spl/smc/spl_smc.hpp>
+
+namespace ams::exosphere {
+
+    ApiInfo GetApiInfo() {
+        u64 exosphere_cfg;
+        if (spl::smc::GetConfig(&exosphere_cfg, 1, SplConfigItem_ExosphereApiVersion) != spl::smc::Result::Success) {
+            R_ASSERT(ResultNotPresent());
+        }
+
+        return ApiInfo{
+            .major_version = static_cast<u32>((exosphere_cfg >> 0x20) & 0xFF),
+            .minor_version = static_cast<u32>((exosphere_cfg >> 0x18) & 0xFF),
+            .micro_version = static_cast<u32>((exosphere_cfg >> 0x10) & 0xFF),
+            .target_firmware = static_cast<TargetFirmware>((exosphere_cfg >> 0x08) & 0xFF),
+            .master_key_revision = static_cast<u32>((exosphere_cfg >> 0x00) & 0xFF),
+        };
+    }
+
+    void ForceRebootToRcm() {
+        R_ASSERT(spl::smc::ConvertResult(spl::smc::SetConfig(SplConfigItem_ExosphereNeedsReboot, 1)));
+    }
+
+    void ForceRebootToIramPayload() {
+        R_ASSERT(spl::smc::ConvertResult(spl::smc::SetConfig(SplConfigItem_ExosphereNeedsReboot, 2)));
+    }
+
+    void ForceShutdown() {
+        R_ASSERT(spl::smc::ConvertResult(spl::smc::SetConfig(SplConfigItem_ExosphereNeedsShutdown, 1)));
+    }
+
+    void CopyToIram(uintptr_t iram_dst, const void *dram_src, size_t size) {
+        spl::smc::AtmosphereCopyToIram(iram_dst, dram_src, size);
+    }
+
+    void CopyFromIram(void *dram_dst, uintptr_t iram_src, size_t size) {
+        spl::smc::AtmosphereCopyFromIram(dram_dst, iram_src, size);
+    }
+
+    namespace {
+
+        inline Result GetRcmBugPatched(bool *out) {
+            u64 tmp = 0;
+            R_TRY(spl::smc::ConvertResult(spl::smc::GetConfig(&tmp, 1, SplConfigItem_ExosphereHasRcmBugPatch)));
+            *out = (tmp != 0);
+            return ResultSuccess();
+        }
+
+    }
+
+    bool IsRcmBugPatched() {
+        bool rcm_bug_patched;
+        R_ASSERT(GetRcmBugPatched(&rcm_bug_patched));
+        return rcm_bug_patched;
+    }
+
+}