Subject: NFS diskless boot improvement
To: None <>
From: Gordon W. Ross <>
List: tech-kern
Date: 03/14/1994 16:58:16
> Date: Mon, 14 Mar 1994 20:34:02 +0100
> From: Wolfgang Solfrank <>
> Implementing tftp is a lot more work than implementing nfs, if you already
> have a working rpc/xdr layer in the bootstrap program. And you need this
> latter anyway, if you support bootparam.

Not necessarily so, depending on what the PROM can do for you.
On SunOS machines for example, the PROM provides functions to read a
file from a device.  The "le" (net) device uses TFTP to read the file.

> I agree though, that boot -a can only be supported by including this stuff
> in the kernel, since you could, for example, load the kernel from the disk
> and use nfs for root and/or swap.

Yes, I do this now using the mountd additions I made to nfs_mountroot.

Gordon Ross