[kannanmr]

This is not the first BIOS source to leak (Award BIOS 6 code leaked 10 yrs ago, am sure still available in your fav torrent tracker). Opensource code will certainly not make use of this leaked implementation, it is asking for trouble.

[marshray]

IBM published a technical reference manual for the PC which included (among other things) a complete commented source code listing of the BIOS.