On Sun, 6 Mar 2011, Sam Ravnborg wrote:
> >
> > If you could send me your tips for building tftpboot images and stuff,
> > it'd save me some time.
>
> The userspace stuff I have is built with buildroot.
> I used the attached configuration.
>
> When building the kernel I use:
>
> ROOTFS=/path/to/buildroot.git/output/images/rootfs.ext2
> make ROOT_IMG=${ROOTFS} ARCH=sparc tftpboot.img
>
> I then copy the final tftpboot.img to /var/lib/tftpboot/
> as C0A800C8.SUN4M - this is the filename my sun4m box ask for.
> I used tcpdump to check the name it requested.
>
> I have rarp so my /etc/ethers define
> the relation between mac and IP like this:
>
> 08:00:20:05:38:d2 192.168.0.200
>
>
> Initially my rarpd did not work.
> I had to add following options:
>
> # Do not check /tftpbootdir before response
> OPTIONS="-v -e"
>
> Until I realized this I uses
>
> prom> boot net gateway-ip,,sun-ip
>
> But it is much more convinient with rarp as I can then type "boot net".
> And this is also default so I just turn on the box to boot it.
>
> Sam
>
The C0A800C8.SUN4M string is generated based upon ip-address and
architecture. The C0A800C8 is the IP address obtained by rarp translated to
hex. (192 = C0. 168 = A8. 0 = 00. 200 = C8).
Kjetil Oftedal
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