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authorAlexander Graf <agraf@suse.de>2016-03-04 00:10:01 (GMT)
committerTom Rini <trini@konsulko.com>2016-03-15 22:03:10 (GMT)
commit50149ea37a21dcbed675297f1536c31a7db39c19 (patch)
treed6a18d12c1306cbc1306baed0aeea5ff2f5d2ae4 /arch/arm/mach-versatile
parentc1311ad4e0d1759788601513fac0f65620d40472 (diff)
downloadu-boot-50149ea37a21dcbed675297f1536c31a7db39c19.tar.xz
efi_loader: Add runtime services
After booting has finished, EFI allows firmware to still interact with the OS using the "runtime services". These callbacks live in a separate address space, since they are available long after U-Boot has been overwritten by the OS. This patch adds enough framework for arbitrary code inside of U-Boot to become a runtime service with the right section attributes set. For now, we don't make use of it yet though. We could maybe in the future map U-boot environment variables to EFI variables here. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org>
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