[PATCH v2 00/12] cmd: bootefi: refactor the code for bootmgr

[AKASHI Takahiro]

Hi Heinrich, Ilias

On Tue, Nov 21, 2023 at 10:29:38AM +0900, AKASHI Takahiro wrote:
> This patch set is motivated by the discussion[1] regarding
> CONFIG_BOOTEFI_BOOTMGR option.
> 
> At the end, bootefi.c will be decomposed into two parts, one for
> providing the command itself and one for implementing helper functions.
> EFI_LOADER will now be available without CONFIG_CMDLINE or specifically
> CONFIG_CMD_BOOTEFI if invoked via bootmeth/bootstd.
> 
> Then, EFI_LOADER library side will be further split into two options
> for fine-grain control:
> CONFIG_EFI_BINARY_EXEC: execute UEFI binaries which are to be explicitly
>     loaded by U-Boot's load commands/functions or other methods
>     (like a jtag debugger?)
>     It supports bootmeth_efi as well as "bootefi <addr>|hello"(/"bootm"?).
> 
> CONFIG_EFI_BOOTMGR: provide EFI boot manger functionality
>     It supports bootmeth_efi_mgr as well as "bootefi bootmgr".
> 
> As such, We will no longer need CONFIG_EFI_BINARY_EXEC if we want to only
> make use of the UEFI boot manger for booting a next stage OS.

Any other comments?
I think the changes are no doubt trivial.

-Takahiro Akashi


> Prerequisite
> ============
> This patch set is based on top of Tom's "next" branch.
> 
> Patches
> =======
> Patch#1-#12: I hope that those commits show step-by-step refactoring
>     without introducing degradation.
> 
> Tests
> =====
> * run UT efi_selftest on sandbox locally
> * run test_efi_bootmgr on sandbox locally
> 
> Unfortunately, I could not submit a pull request for CI test.
> 
> Changes
> =======
> v2 (Nov 21, 2023)
> * rebased onto Tom's next branch
> * remove already merged commits
> * revise commit messages
> * add patch #5 which was split from ex-patch#5
> RFC (Oct 26, 2023)
> 
> [1] https://lists.denx.de/pipermail/u-boot/2023-October/534598.html
> 
> AKASHI Takahiro (12):
>   cmd: bootefi: unfold do_bootefi_image()
>   cmd: bootefi: re-organize do_bootefi()
>   cmd: bootefi: carve out EFI boot manager interface
>   cmd: bootefi: carve out binary execution interface
>   cmd: bootefi: localize global device paths for efi_selftest
>   cmd: bootefi: move library interfaces under lib/efi_loader
>   cmd: efidebug: ease efi configuration dependency
>   bootmeth: use efi_loader interfaces instead of bootefi command
>   efi_loader: split unrelated code from efi_bootmgr.c
>   efi_loader: rename BOOTEFI_BOOTMGR to EFI_BOOTMGR
>   net: tftp: remove explicit efi configuration dependency
>   fs: remove explicit efi configuration dependency
> 
>  boot/Kconfig                     |   4 +-
>  boot/Makefile                    |   2 +-
>  boot/bootm_os.c                  |  31 +-
>  boot/bootmeth_efi.c              |   8 +-
>  boot/bootmeth_efi_mgr.c          |   2 +-
>  cmd/Kconfig                      |  21 +-
>  cmd/bootefi.c                    | 670 +++++--------------------------
>  cmd/efidebug.c                   |   4 +-
>  fs/fs.c                          |   7 +-
>  include/efi_loader.h             |  34 +-
>  lib/efi_loader/Kconfig           |  11 +-
>  lib/efi_loader/Makefile          |   2 +-
>  lib/efi_loader/efi_bootmgr.c     |  37 ++
>  lib/efi_loader/efi_device_path.c |   3 +-
>  lib/efi_loader/efi_helper.c      | 498 ++++++++++++++++++++++-
>  net/tftp.c                       |  10 +-
>  test/boot/bootflow.c             |   2 +-
>  17 files changed, 700 insertions(+), 646 deletions(-)
> 
> -- 
> 2.34.1
>