Loader will need to be re-implemented, and extended to support loading executables from the SD card.
Loader is fully re-implemented as of right now, and works on hardware.
Keeping this issue open until it's fully extended/"done", though.
Just to avoid confusion: Loading from SDcard loading is already implemented. See https://github.com/Atmosphere-NX/Atmosphere/blob/master/stratosphere/loader/source/ldr_nso.cpp#L22.
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Loader is fully re-implemented as of right now, and works on hardware.
Keeping this issue open until it's fully extended/"done", though.