SaveData: Implemented the SystemSaveData archive.

It will be stored in the /syssavedata folder. This archive is user by various Services and possibly games via the FS:U service.

src/core/file_sys/archive_savedata.h

@@ -21,8 +21,7 @@ public:
 
     /**
      * Initialize the archive.
-     * @return CreateSaveDataResult AlreadyExists if the SaveData folder already exists,
-     * Success if it was created properly and Failure if there was any error
+     * @return true if it initialized successfully
      */
     bool Initialize();
 

src/core/file_sys/archive_systemsavedata.cpp

@@ -0,0 +1,33 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <sys/stat.h>
+
+#include "common/common_types.h"
+#include "common/file_util.h"
+
+#include "core/file_sys/archive_systemsavedata.h"
+#include "core/file_sys/disk_archive.h"
+#include "core/settings.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// FileSys namespace
+
+namespace FileSys {
+
+Archive_SystemSaveData::Archive_SystemSaveData(const std::string& mount_point)
+        : DiskArchive(mount_point) {
+    LOG_INFO(Service_FS, "Directory %s set as SystemSaveData.", this->mount_point.c_str());
+}
+
+bool Archive_SystemSaveData::Initialize() {
+    if (!FileUtil::CreateFullPath(mount_point)) {
+        LOG_ERROR(Service_FS, "Unable to create SystemSaveData path.");
+        return false;
+    }
+
+    return true;
+}
+
+} // namespace FileSys

src/core/file_sys/archive_systemsavedata.h

@@ -0,0 +1,31 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+#include "core/file_sys/disk_archive.h"
+#include "core/loader/loader.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// FileSys namespace
+
+namespace FileSys {
+
+/// File system interface to the SaveData archive
+class Archive_SystemSaveData final : public DiskArchive {
+public:
+    Archive_SystemSaveData(const std::string& mount_point);
+
+    /**
+     * Initialize the archive.
+     * @return true if it initialized successfully
+     */
+    bool Initialize();
+
+    std::string GetName() const override { return "SystemSaveData"; }
+};
+
+} // namespace FileSys