Hi, May be it not best material, but blog of adrian@ is really helpful: http://adrianchadd.blogspot.com.tr/?m=1
Best regards, Michael 2 сент. 2017 г. 11:11 ДП пользователь "Thomas Mueller" <mueller6...@twc.com> написал: > > Here's a pdf giving a decent overview: > > https://www.bsdcan.org/2006/papers/freebsd.device.driver.slides.pdf > > > But, the FreeBSD handbook also goes over the process as well. > > > https://www.freebsd.org/doc/en_US.ISO8859-1/books/arch- > handbook/driverbasics.html > > > For the guy that took Linux drivers, you might want to look into the > Linux > > Emulator, that would be the easiest path especially if those Linux > drivers > > includes a lot of Linux specific headers. > > > The NetBSD drivers should be a bit easier to port. > > > Best, > > Owen > > I downloaded it but haven't read yet. > > Actually, it's the arch-handbook, not in the regular FreeBSD handbook. > > Thanks for the leads! > > > I was planning on also porting over the Atheros AR9271 driver from NetBSD > > (athn(4) /usr/src/sys/dev/usb/if_athn_usb.c), but not until I finish the > > current device I am working on. It might not be for a while though. There > > is likely a lot of shared code with ath(4) on FreeBSD > > (/usr/src/sys/dev/athn). NetBSD seems to separate all code between USB > and > > PCI, whereas FreeBSD combines drivers. Let me know if I can help out, as > I > > already own this device and would be willing to test out code or > > troubleshoot with you. > > > I am currently working on another driver from Linux to FreeBSD. The core > > concepts are the same, but a lot of code is in different order. FreeBSD > > drivers have an attach function that assign function pointers to the > softc > > struct. The Linux equivalent is in DRIVERNAME_ops. In my case, this: > > http://src.illumos.org/source/xref/linux-master/drivers/net/ > wireless/realtek/rtlwifi/rtl8188ee/sw.c#224 > > > Hope this helps. But yes, would love to work on AR9271! > > What is the rtl8188ee? Maybe I'd recognize the brand and model. > > I have Hiro H50191, which uses rsu driver. > > That last URL looks like something related to Illumos and OpenIndiana. > > My Atheros AR9271 is (quasi-)USB, an inseparable part of the motherboard > in contrast to the Hiro H50191 which is a USB-stick wireless adapter. > > It has sometimes worked on NetBSD, but more often would fail to load > firmware. > > On latest NetBSD-current, it stops the kernel from booting unless I > disable it or comment out in kernel config. GENERIC kernel reboots > immediately without showing any messages. > > OpenBSD also has AR9271 driver and Realtek re. I have NetBSD > installations but no OpenBSD. > > I would like, at first, if possible, when I have a driver to build, to > build the module rather than the whole kernel every time. > > I am familiar with C and C++ but think I need to brush up. Any online > leads/references? > > Tom > > _______________________________________________ > freebsd-wireless@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-wireless > To unsubscribe, send any mail to "freebsd-wireless-unsubscr...@freebsd.org > " > _______________________________________________ freebsd-wireless@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-wireless To unsubscribe, send any mail to "freebsd-wireless-unsubscr...@freebsd.org"
