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kernel-fit-image: Split signing variables

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Right now all signing is done with a single variable: UBOOT_SIGN_ENABLE.
This has the side effect of not allowing for signing the fitImage while
not signing the uboot files.

This patch creates three new variables specific to FIT_KERNEL and
defaults them to the corresponding UBOOT variables.  That way all
existing code will remain the same, but we can selectively control just
signing the fitImage without also signing the uboot files.

(From OE-Core rev: 313ff06fdfec36a09328dbd60471bd53127fabe3)

Signed-off-by: Ryan Eatmon <reatmon@ti.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ryan Eatmon 2025-10-20 09:49:32 -05:00 committed by Richard Purdie
parent 3d67ec2762
commit 2b871830dc
1 changed files with 6 additions and 2 deletions
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8
meta/classes-recipe/kernel-fit-image.bbclass
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@ -35,6 +35,10 @@ do_configure[noexec] = "1"
UBOOT_MKIMAGE_KERNEL_TYPE ?= "kernel"
KERNEL_IMAGEDEST ?= "/boot"
FIT_KERNEL_SIGN_ENABLE ?= "${UBOOT_SIGN_ENABLE}"
FIT_KERNEL_SIGN_KEYNAME ?= "${UBOOT_SIGN_KEYNAME}"
FIT_KERNEL_SIGN_KEYDIR ?= "${UBOOT_SIGN_KEYDIR}"
python do_compile() {
import shutil
import oe.fitimage
@ -50,11 +54,11 @@ python do_compile() {
root_node = oe.fitimage.ItsNodeRootKernel(
d.getVar("FIT_DESC"), d.getVar("FIT_ADDRESS_CELLS"),
d.getVar('HOST_PREFIX'), d.getVar('UBOOT_ARCH'), d.getVar("FIT_CONF_PREFIX"),
oe.types.boolean(d.getVar('UBOOT_SIGN_ENABLE')), d.getVar("UBOOT_SIGN_KEYDIR"),
oe.types.boolean(d.getVar('FIT_KERNEL_SIGN_ENABLE')), d.getVar("FIT_KERNEL_SIGN_KEYDIR"),
d.getVar("UBOOT_MKIMAGE"), d.getVar("UBOOT_MKIMAGE_DTCOPTS"),
d.getVar("UBOOT_MKIMAGE_SIGN"), d.getVar("UBOOT_MKIMAGE_SIGN_ARGS"),
d.getVar('FIT_HASH_ALG'), d.getVar('FIT_SIGN_ALG'), d.getVar('FIT_PAD_ALG'),
d.getVar('UBOOT_SIGN_KEYNAME'),
d.getVar('FIT_KERNEL_SIGN_KEYNAME'),
oe.types.boolean(d.getVar('FIT_SIGN_INDIVIDUAL')), d.getVar('UBOOT_SIGN_IMG_KEYNAME')
)