[U-Boot] Pull request for UEFI sub-system for v2019.07-rc2 (2)

[Tom Rini]

On Thu, May 09, 2019 at 12:03:38AM +0200, Heinrich Schuchardt wrote:
> On 5/8/19 7:50 PM, Tom Rini wrote:
> >On Wed, May 08, 2019 at 07:57:57AM +0200, Heinrich Schuchardt wrote:
> >
> >>The following changes since commit
> >>44237e272f1eac3b026709e76333a07b2d3a3523:
> >>
> >>Merge branch 'master' of git://git.denx.de/u-boot-sh (2019-05-06
> >>07:19:31 -0400)
> >>
> >>are available in the Git repository at:
> >>
> >>git://git.denx.de/u-boot-efi.git tags/efi-2019-07-rc2-2
> >>
> >>for you to fetch changes up to
> >>b015ab57bf558daa1c768995a7a7f1df2d40191e:
> >>
> >>efi_loader: signature of ExitBootServices() (2019-05-07 21:10:04
> >>+0200)
> >>
> >>Travis CI results are here:
> >>https://travis-ci.org/xypron2/u-boot/builds/529448555
> >>
> >>Primary key fingerprint: 6DC4 F9C7 1F29 A6FA 06B7  6D33 C481 DBBC
> >>2C05 1AC4
> >>
> >
> >Note that you may want to run ./scripts/checkpatch.pl --git
> >origin/master.. or similar as: WARNING: 'follwing' may be misspelled
> >- perhaps 'following'?
> >
> >which I left alone rather than mess up the tag.
> 
> Sorry I missed that one. Typically I run checkpatch.pl.
> 
> >
> >Applied to u-boot/master, thanks!
> >
> >And all of that said, looking over my before/after builds I see a lot
> >of size growth, everywhere, due to EFI changes.  I assume this is due
> >to increasing overall functionality and support, which is good.  But
> >is there perhaps some way we can split things into a minimal "we
> >have enough to support loading ${OS LOADER}" and then "we are aiming
> >for large parts of spec compliance" ?  Some days I start to wonder
> >if "EFI_LOADER on by default" was a bad idea.
> >
> 
> The following switches allow to reduce the size of the UEFI subsystem:
> 
> CONFIG_CMD_BOOTEFI_HELLO, default N
> CONFIG_CMD_BOOTEFI_SELFTEST, default N except QEMU
> CONFIG_EFI_UNICODE_CAPITALIZATION, default Y
> CONFIG_EFI_LOADER_HII
> (The Makefile does not consider it yet correctly, patch submitted.)
> CONFIG_CMD_EFIDEBUG, default N
> CONFIG_CMD_NVEDIT_EFI
> 
> In doc/README.uefi we describe that we target EBBR compatibility.

Right.  And I think we need to make the defaults reflect that, and then
have some targets opt-in for more (such as QEMU where we're testing
things).

> We have implemented functionality that is not needed for EBBR
> compatibility but is needed to run the EFI Shell and the conformance
> tests or iPXE. Here we should think about making it customizable, e.g.
> 
> lib/efi_loader/efi_bootmgr.c
> lib/efi_driver/*
> lib/efi_loader/efi_unicode_collation.c
> lib/efi_loader/efi_variable.c
> lib/efi_loader/device_path_to_text.c
> lib/efi_loader/device_path_utilities.c
> 
> For the Unicode collation protocol I just sent a patch.

Adding more options to be able to remove stuff would be good, thanks!

-- 
Tom
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