[U-Boot] [PATCH] efi_loader: Handle RELA absolute relocations properly

[Bin Meng]

On Mon, Nov 5, 2018 at 5:28 AM Alexander Graf <agraf at suse.de> wrote:
>
> With RELA absolute relocations, the relocation target contains our link
> offset which we need to remove from the equation again. We did this
> properly in the relative relocation path, but not in the absolute one.
>
> So let's do this for the absolute one as well. That way, u-boot can have
> a TEXT_OFFSET of != 0 and still relocate itself properly.
>
> This fixes a bug where efi_loader did not work on the RISC-V QEMU port.
> With this patch, I can successfully run UEFI applications on the RISC-V
> QEMU port.
>
> Reported-by: Auer, Lukas <lukas.auer at aisec.fraunhofer.de>
> Signed-off-by: Alexander Graf <agraf at suse.de>
> ---
>  lib/efi_loader/efi_runtime.c | 3 +++
>  1 file changed, 3 insertions(+)
>

Tested-by: Bin Meng <bmeng.cn at gmail.com>