The prefix was recently changed to play ball with the CVE-2021-27138 workaround in U-Boot. Already deployed bootloaders though may still expect a configuration name containing @ or they may not be affected by this issue.
Also, uses may want to customize it beyond the [@-] issue: When device trees are built from a recipe using kernel-devicetree.bbclass the configuration nodes will contain the parent directories, e.g. KERNEL_DEVICETREE = "freescale/imx8mm-myboard.dtb" will become "conf-freescale_imx8mm-myboard.dtb". When moving to devicetree.bbclass, this prefix go away. With this change here, users can restore it easily by setting FIT_CONF_PREFIX = "conf-freescale_", ensuring backwards compatibility. Signed-off-by: Ahmad Fatoum <[email protected]> --- meta/classes/kernel-fitimage.bbclass | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass index c16977c477eb..8a9b195d6ee2 100644 --- a/meta/classes/kernel-fitimage.bbclass +++ b/meta/classes/kernel-fitimage.bbclass @@ -64,6 +64,9 @@ FIT_DESC ?= "Kernel fitImage for ${DISTRO_NAME}/${PV}/${MACHINE}" # Sign individual images as well FIT_SIGN_INDIVIDUAL ?= "0" +FIT_CONF_PREFIX ?= "conf-" +FIT_CONF_PREFIX[doc] = "Prefix to use for FIT configuration node name" + # Keys used to sign individually image nodes. # The keys to sign image nodes must be different from those used to sign # configuration nodes, otherwise the "required" property, from @@ -358,7 +361,7 @@ fitimage_emit_section_config() { # Test if we have any DTBs at all sep="" conf_desc="" - conf_node="conf-" + conf_node="${FIT_CONF_PREFIX}" kernel_line="" fdt_line="" ramdisk_line="" @@ -407,9 +410,9 @@ fitimage_emit_section_config() { # default node is selected based on dtb ID if it is present, # otherwise its selected based on kernel ID if [ -n "$dtb_image" ]; then - default_line="default = \"conf-$dtb_image\";" + default_line="default = \"${FIT_CONF_PREFIX}$dtb_image\";" else - default_line="default = \"conf-$kernel_id\";" + default_line="default = \"${FIT_CONF_PREFIX}$kernel_id\";" fi fi -- 2.30.2
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