This repo contains a poc for sd card access on the Wii U. It is untested and therefore likely broken. Also, additional process permissions may be needed to successfully execute this code.

What you need

The libwiiu repo cloned somewhere on your computer.

export LIBWIIU=pathtolibwiiurepo (see the Makefile for details)

Adjust the include's in loader.h

Compilation

Just run the following script in the libwiiu repo folder

python build.py /path/to/smashd_repo