[U-Boot] [U-Boot, v5, 20/30] efi_loader: Implement memory allocation and map

Tom Rini
2016-03-17T02:02:00Z

On Fri, Mar 04, 2016 at 01:10:04AM +0100, Alexander Graf wrote:

> The EFI loader needs to maintain views of memory - general system memory
> windows as well as used locations inside those and potential runtime service
> MMIO windows.
>
> To manage all of these, add a few helpers that maintain an internal
> representation of the map the similar to how the EFI API later on reports
> it to the application.
>
> For allocations, the scheme is very simple. We basically allow allocations
> to replace chunks of previously done maps, so that a new LOADER_DATA
> allocation for example can remove a piece of the RAM map. When no specific
> address is given, we just take the highest possible address in the lowest
> RAM map that fits the allocation size.
>
> Signed-off-by: Alexander Graf <agraf@suse.de>
> Tested-by: Simon Glass <sjg@chromium.org>

Applied to u-boot/master, thanks!

--
Tom
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