I built it just grabbing these three lines and putting all the files in one dir....I got 0byte file but had a typo in my line....recheck you syntax maybe
These were the lines I used in cmdprompt:
iosmodule.elf 0000000E 0000000E-tmp
esmodule.elf 0000000E-tmp 0000000E-tm
boot2me 0000000E-tm...