Any offical study stuff?

[Warner Losh]

On May 25, 2013, at 10:56 AM, J Ronald wrote:
> I've checked "FreeBSD Developer's Book", there seems nothing about how to write FreeBSD driver.

You might want to look at getting http://nostarch.com/bsddrivers.htm which does a good job for the basics.

The architecture handbook at http://www.freebsd.org/doc/en/books/arch-handbook/ has some of the basics, but has gotten a bit dated and staid.

Warner