WiiFuse is a FUSE filesystem module for Linux and Mac OS X. It will let you mount a Wii disc ISO and browse its contents, and it contains a server which may be run on the Wii so you can browse the contents of the Wii s internal filesystem.
This document describes the interface between HLA and Linux via direct system calls. The HLA Standard
Library provides a header file with a set of important constants, data types, and procedure prototypes that you can use
to make Linux system calls.