In some cases this function may be provided outside the library, e.g. by
a Rust main program. Add a Kconfig to control this and refactor the code
so that it is optional.
Signed-off-by: Simon Glass <simon.glass@canonical.com>
When booting Linux with EFI the devicetree memory-map is ignored and
Linux calls through EFI to obtain the real memory map.
When booting Linux from the EFI app, without EFI, we must pass the
reserved memory onto Linux using the devicetree.
Add a function to support this. It reads the EFI memory-map and adds any
missing regions to the reserved-memory node.
Co-developed-by: Claude <noreply@anthropic.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
A 'removing flags -mregparm=3' message appears when building sometimes.
It isn't very useful and does not indicate a problem, so remove it.
Signed-off-by: Simon Glass <sjg@chromium.org>
There is some duplicated code across x86 and ARM even though they have
slightly different implementations.
They both call efi_stub_exit_boot_services() and this function does not
relate to the app, so belongs better outside the general-purpose efi.c
file.
Create a new efi_stub C file containing this function. Leave out the
efi_ prefix since this is obvious from the directory name.
Signed-off-by: Simon Glass <sjg@chromium.org>
These are already in the lib/efi/ directory so the extra efi_ prefix is
redundant and makes files harder to find. Drop it.
Signed-off-by: Simon Glass <sjg@chromium.org>
This directory was created when U-Boot gained the ability to run as an
EFI app in 2015. Since then the EFI-loader feature has been added.
The code in lib/efi is not actually used by the loader, so the name is
confusing.
Rename the directory to efi_client to indicate that it includes files
just for U-Boot being a client of EFI, i.e. the EFI app and stub.
Signed-off-by: Simon Glass <sjg@chromium.org>
