the only way right now it's this way:
and it's only for BC consoles... -_-
Official OPLv0.8 User Guides
You need to have a retail SwapMagic 3.6+ or 3.8 disc. (currently there is no other option available)
The steps for loading Open PS2 Loader :
1. Rename OPS2LD.ELF to SMBOOT0.ELF
2. Make a folder in the root of a USB device, name it SWAPMAGIC and copy the SMBOOT0.ELF into it.
3. Launch SwapMagic in your PS3 and press UP+L1, then Open PS2 Loader should start.
SwapMagic has 4 options to run an ELF file, so you can use any of them if you have other ELFs your also using with SwapMagic.
SMBOOT0.ELF = UP + L1
SMBOOT1.ELF = UP + L2
SMBOOT2.ELF = UP + R1
SMBOOT3.ELF = UP + R2
"10 years after the Playstation XXX AKA.Dr.Shlong, and the release of over 9000 best selling games including Gran Tiramisu and Fetal Fantasy VII, Sony began to look to the future. They saw a Playstation 2, which was unrivalled in it's sucsess."