Fixed encrypted ROM error messages.

src/core/loader/loader.h

@@ -100,11 +100,13 @@ public:
      * Loads the system mode that this application needs.
      * This function defaults to 2 (96MB allocated to the application) if it can't read the
      * information.
-     * @returns Optional with the kernel system mode
+     * @param boost::optional<u32> Reference to Boost optional to store system mode.
+     * @ return Result of operation.
      */
-    virtual boost::optional<u32> LoadKernelSystemMode() {
+    virtual ResultStatus LoadKernelSystemMode(boost::optional<u32>& system_mode) {
         // 96MB allocated to the application.
-        return 2;
+        system_mode = 2;
+        return ResultStatus::Success;
     }
 
     /**

src/core/loader/ncch.cpp

@@ -121,12 +121,19 @@ FileType AppLoader_NCCH::IdentifyType(FileUtil::IOFile& file) {
     return FileType::Error;
 }
 
-boost::optional<u32> AppLoader_NCCH::LoadKernelSystemMode() {
+ResultStatus AppLoader_NCCH::LoadKernelSystemMode(boost::optional<u32>& system_mode) {
     if (!is_loaded) {
-        if (LoadExeFS() != ResultStatus::Success)
-            return boost::none;
+        ResultStatus res = LoadExeFS();
+        if (res != ResultStatus::Success) {
+            // Set the system mode as invalid.
+            system_mode = boost::none;
+            // Return the error code.
+            return res;
+        }
     }
-    return exheader_header.arm11_system_local_caps.system_mode.Value();
+    // Set the system mode as the one from the exheader.
+    system_mode = exheader_header.arm11_system_local_caps.system_mode.Value();
+    return ResultStatus::Success;
 }
 
 ResultStatus AppLoader_NCCH::LoadExec() {

src/core/loader/ncch.h

@@ -179,9 +179,10 @@ public:
 
     /**
      * Loads the Exheader and returns the system mode for this application.
-     * @return Optional with the kernel system mode
+     * @param boost::optional<u32> Reference to Boost optional to store system mode.
+     * @return Result of operation.
      */
-    boost::optional<u32> LoadKernelSystemMode() override;
+    ResultStatus LoadKernelSystemMode(boost::optional<u32>& system_mode) override;
 
     ResultStatus ReadCode(std::vector<u8>& buffer) override;