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_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