On 26.12.15 19:09, Leif Lindholm wrote: > On Tue, Dec 22, 2015 at 02:57:51PM +0100, Alexander Graf wrote:
[...] >> + break; >> + case 2: >> + /* Exact address, grant it. The addr is already in *memory. */ > > As far as I can tell, this is why GRUB works. Because it filters > through the memory map manually, requesting to allocate its heap at an > exact address in a region of free memory in the UEFI memory map. > > The key is that EFI_LOADER_MEMORY will be used by applications loaded > as well as by U-Boot to load applications into. A simple example where > this could be problematic would be a large(ish) initrd loaded via initrd= > on kernel (stub loader) command line rather than via GRUB. Thinking about this once more, we don't expose any file system interfaces to EFI applications, so initrd= won't work anyway. That means the only viable path to go right now is via grub which means we shouldn't get into memory contention with 128MB LOADER_DATA. Alex _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
