On Wed, Sep 26, 2007 at 05:25:07PM -0400, Tom Sylla wrote: > Mailed to soon, xxd does patching directly: > --- > Patch the date in the file xxd.1 > % echo '0000029: 3574 68' | xxd -r - xxd.1 > % xxd -s 0x28 -l 12 -c 12 xxd.1 > 0000028: 3235 7468 204d 6179 2031 3939 25th May 199 > ---
Then how about integrating this in the build system so that romstrap is modified on build time using a config file option? This way we please both kinds of users. > On 9/26/07, Ward Vandewege <[EMAIL PROTECTED]> wrote: > > On Wed, Sep 26, 2007 at 05:02:33PM -0400, Tom Sylla wrote: > > > On 9/26/07, Robert Millan <[EMAIL PROTECTED]> wrote: > > > > unsigned long mac_pos; > > > > mac_pos = 0xffffffd0; // refer to romstrap.inc and > > > > romstrap.lds > > > > mac_l = readl(mac_pos) + nic_index; > > > > mac_h = readl(mac_pos + 4); > > > > > > > > and can't understand what is this romstrap and why it retrieves the MAC > > > > from > > > > it in runtime. Is this some kind of legacy interface? Wouldn't it be > > > > simpler > > > > to just hardcode it during build? E.g. see attached patch. > > > > > > Maybe simpler, but not really correct. What if you have 2 of your > > > boards? With your patch, you have to compile twice. That's not > > > elegant. If you can make just one ROM image, and then automatically > > > change the MAC at a specified location inside of it for each > > > individual motherboard, things work better. (AMI/award/etc do this, > > > when you use their flash utilities, it does not overwrite the MAC so > > > you don't lose it) > > > > > > Your solution is ok if you want to just support your single board on > > > your desktop, but for anybody trying to make a commercial product with > > > LB, they won't want to be recompiling for each unit shipped. > > > > Agreed. MACs are a bit of a pain (also on the MCP55), and we currently do > > not > > have a good way to deal with them. I have MCP55-based LinuxBIOS machines in > > production that have 00:00:00:00:00:00 as MAC address for each interface, > > and > > I need to force the MAC manually in /etc/network/interfaces. Not elegant, > > and > > not ideal. The kernel does not like it either, on startup it says 'complain > > to your bios vendor' ;) > > > > I would like a way to change the MAC address for a rom image with some tool > > - > > ideally as an option to flashrom, I guess. Keep in mind that there can be > > multiple addresses on a board! > > > > Thanks, > > Ward. > > > > -- > > Ward Vandewege <[EMAIL PROTECTED]> > > Free Software Foundation - Senior System Administrator > > > -- Robert Millan <GPLv2> I know my rights; I want my phone call! <DRM> What use is a phone call, if you are unable to speak? (as seen on /.) -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios