If you’re using PS3 Game Injection Methods on Official Firmware (OFW) then you may want to check out PS3 Convert & Inject v1 for game injecting by PlayStation…

PS3 Convert & Inject v1 for PlayStation 3 Game Injecting by SvenGDK

Source: PS4 News – PS3 Convert & Inject v1 for PlayStation 3 Game Injecting by SvenGDK