mirror of
https://github.com/kernelkit/infix.git
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Tobias Waldekranz
d777d59ee2
This makes it easier to spot where we've added things (that might not work :))
39 lines
1.7 KiB
Makefile
39 lines
1.7 KiB
Makefile
# This is a bit awkward. If you know about a more straight forward way
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# of doing this, please simplify.
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#
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# U-Boot needs the public part of the signing key to be preprocessed
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# and then inserted into its control DT. mkimage(1) can perform this
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# conversion, but only as a side-effect of building/signing an FIT
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# image. Since we might not always be doing that, e.g. when only
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# building a hardware specific bootloader, we build a dummy FIT just
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# to get the key information into a DTB, which we then convert back to
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# a .dtsi and install in the U-Boot build tree. This will then be
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# built in to the final U-Boot image's control DT via the
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# CONFIG_DEVICE_TREE_INCLUDES option (see extras.config).
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define UBOOT_PRE_BUILD_INSTALL_KEY
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@$(call IXMSG,"Installing Infix signing key ($(SIGN_KEY))")
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$(HOST_DIR)/bin/dtc <(echo '/dts-v1/; / { signature {}; };') >$(@D)/infix-key.dtb
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$(HOST_DIR)/bin/mkimage \
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-k $(SIGN_KEY) \
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-f $(BR2_EXTERNAL_INFIX_PATH)/board/common/uboot/key-dummy.its \
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-K $(@D)/infix-key.dtb \
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$(if $(SIGN_SRC_PKCS11),-N pkcs11) \
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-r \
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$(@D)/key-dummy.itb
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rm $(@D)/key-dummy.itb
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$(HOST_DIR)/bin/dtc -I dtb -O dts \
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<$(@D)/infix-key.dtb \
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| sed -e 's:/dts-v[0-9]\+/;::' >$(@D)/arch/$(UBOOT_ARCH)/dts/infix-key.dtsi
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rm $(@D)/infix-key.dtb
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endef
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UBOOT_PRE_BUILD_HOOKS += UBOOT_PRE_BUILD_INSTALL_KEY
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define UBOOT_PRE_BUILD_INSTALL_ENV
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@$(call IXMSG,"Installing Infix environment extensions")
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cp -f $(BR2_EXTERNAL_INFIX_PATH)/board/common/uboot/env.dtsi \
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$(@D)/arch/$(UBOOT_ARCH)/dts/infix-env.dtsi
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cp -af $(BR2_EXTERNAL_INFIX_PATH)/board/common/uboot/scripts \
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$(@D)/arch/$(UBOOT_ARCH)/dts/
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endef
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UBOOT_PRE_BUILD_HOOKS += UBOOT_PRE_BUILD_INSTALL_ENV
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