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[U-Boot,RFC,12/15] efi_loader: add CONFIG_EFI_SECURE_BOOT

Message ID 20190918012643.25192-13-takahiro.akashi@linaro.org
State RFC
Delegated to: Heinrich Schuchardt
Headers show
Series efi_loader: add secure boot support | expand

Commit Message

AKASHI Takahiro Sept. 18, 2019, 1:26 a.m. UTC
Now we can enable UEFI secure boot with this option.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
 lib/efi_loader/Kconfig | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index c7027a967653..fb66766d2b7a 100644
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -115,4 +115,17 @@  config EFI_GRUB_ARM32_WORKAROUND
 	  GRUB prior to version 2.04 requires U-Boot to disable caches. This
 	  workaround currently is also needed on systems with caches that
 	  cannot be managed via CP15.
+	bool "Enable EFI secure boot support"
+	depends on EFI_LOADER
+	depends on SECURE_BOOT
+	default n
+	help
+	  Select this option to enable EFI secure boot support.
+	  Once SecureBoot mode is enforced, any EFI binary can run only if
+	  it is signed with a trusted key. To do that, you need to install,
+	  at least, PK, KEK and db.