On Wed, Jun 11, 2003 at 11:20:23PM -0600, Eric W. Biederman wrote: > > In the source of mkelfImage, linux-i386/convert_params.c, > > there is some code to retrieve information like memory map > > from Multiboot information structure. > > However, ELF images created by mkelfImage does not have > > Multiboot header, according to 'mbchk' of GRUB boot loader. > > In what situation is this code supposed to run (and tested)? > > The partial multiboot support in etherboot, is where it was used.
Thanks for the information. > > If one added a (trivial) Multiboot header in the head.S, > > the resulting kernel could be loaded from GRUB, while it could also > > be loaded by ELF boot of LinuxBIOS and Etherboot? > > It probably could. And I would not have a problem with something > like that in theory. The multiboot spec is quite poorly done, > so I am not a major fan. I think I would prefer to just add a > dummy elf segment at the start of the file with that information > in it. From mkelfImage 2.5 that would probably be the easiest thing > to do. I couldn't find an easy way to do it. What PT_* type would that segment have? > I would almost rather fix GRUB to use something sensible and portable > like ELF notes. The multiboot data structure is a disaster in terms > of both future expansion, and of expansion by multiple groups. I considered to add ELFboot support to GRUB, but adding Multiboot header to ELF kernel looked much easier. -- Takeshi _______________________________________________ Linuxbios mailing list [EMAIL PROTECTED] http://www.clustermatic.org/mailman/listinfo/linuxbios
