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[RESEND,v1,5/5] Makefile: Add provision for embedding public key in platform's dtb

Message ID 20210407144147.29251-6-sughosh.ganu@linaro.org
State Superseded
Headers show
Series Add support for embedding public key in platform's dtb | expand

Commit Message

Sughosh Ganu April 7, 2021, 2:41 p.m. UTC 
Add provision for embedding the public key used for capsule
authentication in the platform's dtb. This is done by invoking the
mkeficapsule utility which puts the public key in the efi signature
list(esl) format into the dtb.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>

---
 Makefile | 10 ++++++++++
 1 file changed, 10 insertions(+)

-- 
2.17.1
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Patch

diff --git a/Makefile b/Makefile
index 193aa4d1c9..0d50c6a805 100644
--- a/Makefile
+++ b/Makefile
@@ -1010,6 +1010,10 @@  cmd_pad_cat = $(cmd_objcopy) && $(append) || { rm -f $@; false; }
 quiet_cmd_lzma = LZMA    $@
 cmd_lzma = lzma -c -z -k -9 $< > $@
 
+quiet_cmd_mkeficapsule = MKEFICAPSULE     $@
+cmd_mkeficapsule = $(objtree)/tools/mkeficapsule -K $(CONFIG_EFI_PKEY_FILE) \
+	-D $@
+
 cfg: u-boot.cfg
 
 quiet_cmd_cfgcheck = CFGCHK  $2
@@ -1104,8 +1108,14 @@  endif
 PHONY += dtbs
 dtbs: dts/dt.dtb
 	@:
+ifeq ($(CONFIG_EFI_CAPSULE_AUTHENTICATE)$(CONFIG_EFI_PKEY_DTB_EMBED),yy)
+dts/dt.dtb: u-boot tools
+	$(Q)$(MAKE) $(build)=dts dtbs
+	$(call cmd,mkeficapsule)
+else
 dts/dt.dtb: u-boot
 	$(Q)$(MAKE) $(build)=dts dtbs
+endif
 
 quiet_cmd_copy = COPY    $@
       cmd_copy = cp $< $@