Local application that generate GP4 files for Orbis PKG
./gp4gen --content-id <content-d> --files <files separated by comma> [--gp4-filename <filename.gp4>]
Example:
./gp4gen --content-id IV0000-FRAN00004_00-FTPS400000000000, --files sce_sys/param.sfo,sce_sys/pic1.png,sce_sys/icon0.png,sce_sys/pic0.png,eboot.bin