[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] EFI and multiboot2 devlopment work for Xen
On Tue, Oct 22, 2013 at 10:54:44AM +0200, Vladimir 'Ï-coder/phcoder' Serbinenko wrote: > On 21.10.2013 23:16, Vladimir 'Ï-coder/phcoder' Serbinenko wrote: > > Mail is big, I think I got your essential points but I didn't read it whole. > > On 21.10.2013 14:57, Daniel Kiper wrote: > >> Hi, > >> > >> During work on multiboot2 protocol support for Xen it was discovered > >> that memory map passed via relevant tag could not represent wide range > >> of memory types available on EFI platforms. Additionally, GRUB2 > >> implementation calls ExitBootServices() on them just before jumping > >> into loaded image. In this situation loaded system could not clearly > >> identify reserved memory regions, EFI runtime services regions and others. > >> > > Will a multiboot2 tag with whole EFI memory map solve your problem? > I added such a tag in documentation and wrote a patch for it (attached). Thanks. Could you send me a pointer to current multiboot2 protocol docs? > Awaiting for someone to test it to commit On first sight it looks quite nice. However, as I know Solaris guys prepared similar solution. I am not sure it was discussed with GRUB2 guys. However, I think that it is worth coordinating both works and do not break existing solution if it is possible. I will try to get more details about Solaris implementation. Daniel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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