Add in NCCH, TMD and SMDH from Citra (to get game title)

src/common/CMakeLists.txt

@@ -1,4 +1,5 @@
 add_library(common STATIC
+  alignment.h
   assert.h
   bit_field.h
   common_funcs.h

src/common/alignment.h

@@ -0,0 +1,22 @@
+// This file is under the public domain.
+
+#pragma once
+
+#include <cstddef>
+#include <type_traits>
+
+namespace Common {
+
+template <typename T>
+constexpr T AlignUp(T value, std::size_t size) {
+    static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
+    return static_cast<T>(value + (size - value % size) % size);
+}
+
+template <typename T>
+constexpr T AlignDown(T value, std::size_t size) {
+    static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
+    return static_cast<T>(value - value % size);
+}
+
+} // namespace Common

src/common/file_util.cpp

@@ -870,6 +870,7 @@ u64 IOFile::Tell() const {
     if (IsOpen())
         return ftello(m_file);
 
+    LOG_ERROR(Core, "File is not open");
     return -1;
 }