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If image requested EFI boot services then skip multiboot2 memory maps. Main reason for not providing maps is because they will likely be invalid. We do a few allocations after filling them, e.g. for relocator needs. Usually we do not care as we would have finished boot services. If we keep boot services then it is easier/safer to not provide maps. However, if image needs memory maps and they are not provided by bootloader then it should get itself just before ExitBootServices() call. Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
This is GRUB 2, the second version of the GRand Unified Bootloader. GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more robust, more powerful, and more portable. See the file NEWS for a description of recent changes to GRUB 2. See the file INSTALL for instructions on how to build and install the GRUB 2 data and program files. Please visit the official web page of GRUB 2, for more information. The URL is <http://www.gnu.org/software/grub/grub.html>. More extensive documentation is available in the Info manual, accessible using 'info grub' after building and installing GRUB 2. There are a number of important user-visible differences from the first version of GRUB, now known as GRUB Legacy. For a summary, please see: info grub Introduction 'Changes from GRUB Legacy'