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scripts/Makefile.lib: print error when no public key is specified

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The current build system embeds the EFI Signature List(ESL)
into the dtb to be used in the EFI capsule authentication.
This ESL file is specified through the CONFIG_EFI_CAPSULE_ESL_FILE
Kconfig option. If CONFIG_EFI_CAPSULE_ESL_FILE is not specified,
U-boot build ends up with failure but the cause of failure is not
easily understandable. Current error message is as follows.

FATAL ERROR: Error reading file into data: Is a directoryCheck /home/ubuntu/src/ledge/u-boot/arch/arm/dts/.synquacer-sc2a11-developerbox.dtb.pre.tmp for errors
make[2]: *** [scripts/Makefile.lib:355: arch/arm/dts/synquacer-sc2a11-developerbox.dtb] Error 1
make[1]: *** [dts/Makefile:44: arch-dtbs] Error 2
make: *** [Makefile:1165: dts/dt.dtb] Error 2
make: *** Waiting for unfinished jobs....

This commit shows the error message that CONFIG_EFI_CAPSULE_ESL_FILE
must be specified when the EFI capsule authentication is enabled, then
terminate the build with error.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Weizhao Ouyang <o451686892@gmail.com>
This commit is contained in:
Masahisa Kojima 2023-10-27 16:43:26 +09:00 committed by Heinrich Schuchardt
parent 1e8a8f3232
commit f32fee0359
1 changed files with 5 additions and 0 deletions
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5
scripts/Makefile.lib
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@ -339,7 +339,12 @@ cmd_capsule_esl_gen = \
$(shell sed "s:ESL_BIN_FILE:$(capsule_esl_path):" $(capsule_esl_input_file) > $@)
$(obj)/.capsule_esl.dtsi: FORCE
ifeq ($(CONFIG_EFI_CAPSULE_ESL_FILE),"")
$(error "CONFIG_EFI_CAPSULE_ESL_FILE is empty, EFI capsule authentication \
public key must be specified when CONFIG_EFI_CAPSULE_AUTHENTICATE is enabled")
else
$(call cmd_capsule_esl_gen)
endif
capsule_esl_input_file=$(srctree)/lib/efi_loader/capsule_esl.dtsi.in
capsule_esl_dtsi = .capsule_esl.dtsi