loader.efi does not boot on Lenovo Yoga C630

[Greg V]

On May 1, 2021 3:32:04 AM UTC, Hiroo Ono <hiroo at oikumene.net> wrote:
>Hello,
>
>I am trying to install FreeBSD/aarch64 to Lenovo Yoga C630 (81JL0012JP).
>It has Snapdragon 850 as the processor.
>
>I tried the 13.0R image, the UEFI BIOS recognizes the EFI partition,
>but loader.efi does not start at all. The screen stays blank.
>I added the following code to efi_main(), but still there is no text
>output.

Qualcomm firmware has an alignment requirement, see

https://lists.gnu.org/archive/html/grub-devel/2018-12/msg00055.html
https://github.com/tianocore/edk2/commit/de3c440e8a54c201c527b85da7b89d58486ece4d