I am not familiar with BSD but... On Thu, Mar 07, 2019 at 04:42:47PM +0000, Artsimovich, Wladislav wrote: > Dear GRUB team, > > I'm interested in getting DragonFlyBSD to boot without a BIOS environment > (e.g. using coreboot / libreboot with the coreboot-grub payload to load the > kernel directly) and require some help getting information to relay to the > DFly devs to make this possible. > > Booting the kernel directly is possible for FreeBSD via the kfreebsd command. > DragonFlyBSD, a fork of FreeBSD doesn't work with this command and crashes / > gets stuck without producing any error and freezes the screen. Also the DFly > boot loader doesn't run without a BIOS environment either. > It was explained to me in the FreeBSD IRC channel, that kfreebsd passes a > bunch of "KEVS" (Kernel environment variables) to the kernel to make it boot. > The theory that the channel proposed is that these KEVS are incompatible with > DFly's Kernel. The DFly team however has no time to investigate this. > I would like to compile a list of KEVS, that kfreebsd passes to the FreeBSD > kernel to make it boot and give that list to the DFly devs. Then they would > compare the list with what the DFLY kernel expects and figure out what is > incompatible and whether it is possible to make it compatible within a > reasonable time frame. > I have no experience with such low level stuff however. > > Where can I find how many and which KEVS are passed to the kernel by kfreebsd? > Which source files would I have to go through to compile such a list?
grub-core/loader/i386/bsd.c? > What am I looking for when parsing said source files? In general I think that "grep -Iir kfreebsd" in GRUB source directory is your friend. Daniel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
