"Lubomir Kundrak" <[EMAIL PROTECTED]> writes: >> "adrian15" <[EMAIL PROTECTED]> writes: >> >>> Can we boot grub >>> and boot linux >>> so that >>> linux don't write on grub reserved memory (let's say first 640k) >>> And then make an special halt command >>> that halts linux and boots again grub? (without rebooting) > > When we discussed thhis on IRC i expressed an idea of having grub in linux > kernel format. Then we could use kexec facility to return to grub. But it > would also need patching linux so that it doesnt't clobber BIOS memory. > NetBSD takes care not to do so afaik, so if kloader worked on i386 thhis > could be another option.
I personally don't think it is feasible and worth the effort. >> >> GRUB depends on the BIOS to function. I think linux changes the >> hardware state too much. So even if you can return to GRUB, I don't >> think the hardware state is reliable enough for GRUB or the BIOS to >> function reliably and properly, if it is possible at all. > > Hardware state? What hardware is in question, except disks? It can be all hardware. Like how IRQs are routed, which set of keyboard scancodes are used, video state, etc. -- Marco _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
