[PATCH 0/7] MIPS: Enable EFI support

[Heinrich Schuchardt]

On 17.05.24 18:32, Jiaxun Yang wrote:
> Hi all,
>
> This series enabled EFI support to MIPS platform.
>
> Although MIPS is not defined by UEFI specification, there are
> quite a few firmware implementations available, including
> MIPS-EFI[1] for Loongson-2F, Lemote's proprietary EDK2 implementation
> on Loongson-3[2], Kunlun firmware for Loongson-3[3], efiffy[4]
> for MIPS Creator CI20 and another mystery EDK implementation shipped
> with some Creator CI20 board.
>
> Available applications including gnu-efi, Loongson's GRUB fork[5],
> Ventoy[6].
>
> My implementation in U-Boot is aiming to follow conventions made
> by other implementations for architecture stuff and remain
> compliance with spec for general aspects.
>
> bootefi hello and selftest passed on both 32 and 64 bit system,
> gnu-efi, grub and ventoy are tested on mips64el with my pending
> platform works. mips32el efi executable from efiffy is tested
> as well.
>
> Please review.
> Thanks
>
> [1]: https://github.com/kontais/EFI-MIPS

Last commit 8 years ago.

> [2]: https://github.com/loongson-community/firmware-nonfree

Last commit 4 years ago.

> [3]: http://www.kunluntech.com.cn/klbiosxl
> [4]: https://sourceforge.net/projects/efify/

Last commit 2018.

> [5]: https://github.com/loongson-community/grub

Last commit 5 year ago.

This looks like riding a dead horse.

Best regards

Heinrich


> [6]: https://www.ventoy.net/en/index.html
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang at flygoat.com>
> ---
> Jiaxun Yang (7):
>        MIPS: Implement setjmp
>        efi: Allow runtime relocate to be disabled
>        Makefile.lib: Preserve .rodata section for EFI file
>        Makefile.lib: Enforce EFI CFLAGS/AFLAGS
>        MIPS: Add smbios_start to arch_global_data
>        MIPS: Define MIPS EFI related bits everywhere
>        MIPS: Implement EFI supporting stuff
>
>   Makefile                                          |   3 +
>   arch/mips/config.mk                               |   9 +
>   arch/mips/include/asm/global_data.h               |   3 +
>   arch/mips/include/asm/setjmp.h                    |  36 ++++
>   arch/mips/lib/Makefile                            |  15 ++
>   arch/mips/lib/crt0_mips_efi.S                     | 239 ++++++++++++++++++++++
>   arch/mips/lib/elf_mips_efi.lds                    | 113 ++++++++++
>   arch/mips/lib/reloc_mips_efi.c                    |  99 +++++++++
>   arch/mips/lib/setjmp32.S                          |  51 +++++
>   arch/mips/lib/setjmp64.S                          |  56 +++++
>   include/asm-generic/pe.h                          |   5 +
>   include/config_distro_bootcmd.h                   |   6 +
>   include/efi_default_filename.h                    |   8 +
>   include/efi_loader.h                              |  26 ++-
>   include/elf.h                                     |   8 +
>   lib/efi_loader/Kconfig                            |  12 +-
>   lib/efi_loader/efi_image_loader.c                 |  18 ++
>   lib/efi_loader/efi_memory.c                       |  14 +-
>   lib/efi_loader/efi_runtime.c                      |  11 +-
>   lib/efi_loader/efi_var_mem.c                      |   6 +-
>   lib/efi_selftest/Makefile                         |   2 +-
>   lib/efi_selftest/efi_selftest_miniapp_exception.c |   2 +
>   scripts/Makefile.lib                              |  10 +-
>   23 files changed, 734 insertions(+), 18 deletions(-)
> ---
> base-commit: ad7dce5abd49ef3b5c93da5303e15449c8c162b4
> change-id: 20240517-mips-efi-c9a1ad819c2d
>
> Best regards,