With last SDL2, you can participe to add your game controller mapping to SDL2.
A MorphOS community source database of game controller mappings to be used with SDL2 Game Controller functionality is available here :
In SDL2 archive, you can find directory "gamecontroller".
It's a shell program, just launch it and you can mapping your joystick, example : "gamecontroller 0".
Thanks for your participation !
IMAC 2.1 / PB 1.5G 17 / PM G5 2.7