diff options
| -rw-r--r-- | lib/efi_loader/Kconfig | 8 | ||||
| -rw-r--r-- | lib/efi_loader/capsule_esl.dtsi.in | 11 | ||||
| -rw-r--r-- | scripts/Makefile.lib | 15 |
3 files changed, 34 insertions, 0 deletions
diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig index 9989e3f384..d20aaab6db 100644 --- a/lib/efi_loader/Kconfig +++ b/lib/efi_loader/Kconfig @@ -272,6 +272,14 @@ config EFI_CAPSULE_MAX Select the max capsule index value used for capsule report variables. This value is used to create CapsuleMax variable. +config EFI_CAPSULE_ESL_FILE + string "Path to the EFI Signature List File" + depends on EFI_CAPSULE_AUTHENTICATE + help + Provides the path to the EFI Signature List file which will + be embedded in the platform's device tree and used for + capsule authentication at the time of capsule update. + config EFI_DEVICE_PATH_TO_TEXT bool "Device path to text protocol" default y diff --git a/lib/efi_loader/capsule_esl.dtsi.in b/lib/efi_loader/capsule_esl.dtsi.in new file mode 100644 index 0000000000..61a9f2b25e --- /dev/null +++ b/lib/efi_loader/capsule_esl.dtsi.in @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0+ +/** + * Devicetree file with the public key EFI Signature List(ESL) + * node. This file is used to generate the dtsi file to be + * included into the DTB. +*/ +/ { + signature { + capsule-key = /incbin/("ESL_BIN_FILE"); + }; +}; diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 8c5e25c31c..8dc6ec82cd 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -334,6 +334,21 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ ; \ sed "s:$(pre-tmp):$(<):" $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) +quiet_cmd_capsule_esl_gen = CAPSULE_ESL_GEN $@ +cmd_capsule_esl_gen = \ + $(shell sed "s:ESL_BIN_FILE:$(capsule_esl_path):" $(capsule_esl_input_file) > $@) + +$(obj)/.capsule_esl.dtsi: FORCE + $(call cmd_capsule_esl_gen) + +capsule_esl_input_file=$(srctree)/lib/efi_loader/capsule_esl.dtsi.in +capsule_esl_dtsi = .capsule_esl.dtsi +capsule_esl_path=$(abspath $(srctree)/$(subst $(quote),,$(CONFIG_EFI_CAPSULE_ESL_FILE))) + +ifdef CONFIG_EFI_CAPSULE_AUTHENTICATE +dtsi_include_list += $(capsule_esl_dtsi) +endif + dtsi_include_list_deps = $(addprefix $(obj)/,$(subst $(quote),,$(dtsi_include_list))) $(obj)/%.dtb: $(src)/%.dts $(DTC) $(dtsi_include_list_deps) FORCE |