-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thu, Jun 07, 2007 at 08:01:21AM +0100, Hemanth Kumar wrote: > Hi All, > I need small info in accessing the nvram,I have 32K > nvram on new i386 SBC , I have compiled the nvram as > builtin module in kernel(2.6.20),then i ported the new > image into the flash(16MB) and booted it is working fine > , > > My question's > 1 . I need to copy the binary to nvram(/dev/nvram) > (this how i tried to access first i created a dd if=/dev/nvram of=nvram.dd > then i tried mount -o,loop rw nvram.dd /home/dummy > but it says unable to mount the device > ) If your nvram is 32k (which is unusually large, most of the time it's only 114 bytes) there is no way you can fit a filesystem on it so there is also no way you can mount it. Also note that you can't copy random binaries to /dev/nvram. The nvram holds information like BIOS settings and the real time clock. > 2 . Is there any better way to acccess nvram dd is one way, you could also write your own application. > 3 . doen I need compile the driver as loadable kernel module That's up to you. The nvram driver won't have any extra functionality when you compile it as a module. You will however have a little extra memory free when you don't load the nvram module. Erik - -- They're all fools. Don't worry. Darwin may be slow, but he'll eventually get them. -- Matthew Lammers in alt.sysadmin.recovery -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFGZ7go/PlVHJtIto0RAh0jAJ44Rf1y549l5BQ8bLQWwyEXH4yOTQCeNLPL agKJA9/NHoKzI233A4T+Xuw= =HlKx -----END PGP SIGNATURE----- -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
