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kernel-devicetree: allow specification of dtb directory

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Fedora/Redhat and Arch are somewhat standardized on their dtb directory
structure. Let's add some flags to configure yocto to mimic that
behavior.

Add the following variables to the kernel class:
	- KERNEL_DTBDEST (controls the destination directory for dtbs)
	- KERNEL_DTBVENDORED (controls if vendor subdirectories are to
	  be respected)

Currently KERNEL_DTBDEST is expected to be a subdir of KERNEL_IMAGEDEST
and KERNEL_DTBVENDORED is expected to be "true"/"false". This only
applies to the package directory structure. The deploydir structure is
purposely left untouched for compatibility with existing recipes.

By default this is configured to behave the same as the current recipe
and produce a flat dtb directory at KERNEL_IMAGEDEST.

(From OE-Core rev: 04ab57d20009d85eb566e83ae6fe1dcea4db7300)

Signed-off-by: Randolph Sapp <rs@ti.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Randolph Sapp
2023-05-02 11:56:12 -05:00
committed by Richard Purdie
parent b2797c3fbb
commit 0fea26cb9a
2 changed files with 19 additions and 5 deletions
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22
meta/classes-recipe/kernel-devicetree.bbclass
View File

@@ -12,7 +12,12 @@ python () {
d.appendVar("PACKAGES", " ${KERNEL_PACKAGE_NAME}-image-zimage-bundle")
}
FILES:${KERNEL_PACKAGE_NAME}-devicetree = "/${KERNEL_IMAGEDEST}/*.dtb /${KERNEL_IMAGEDEST}/*.dtbo"
FILES:${KERNEL_PACKAGE_NAME}-devicetree = " \
/${KERNEL_DTBDEST}/*.dtb \
/${KERNEL_DTBDEST}/*.dtbo \
/${KERNEL_DTBDEST}/*/*.dtb \
/${KERNEL_DTBDEST}/*/*.dtbo \
"
FILES:${KERNEL_PACKAGE_NAME}-image-zimage-bundle = "/${KERNEL_IMAGEDEST}/zImage-*.dtb.bin"
# Generate kernel+devicetree bundle
@@ -73,12 +78,16 @@ do_compile:append() {
}
do_install:append() {
install -d ${D}/${KERNEL_DTBDEST}
for dtbf in ${KERNEL_DEVICETREE}; do
dtb=`normalize_dtb "$dtbf"`
dtb_ext=${dtb##*.}
dtb_base_name=`basename $dtb .$dtb_ext`
dtb_path=`get_real_dtb_path_in_kernel "$dtb"`
install -m 0644 $dtb_path ${D}/${KERNEL_IMAGEDEST}/$dtb_base_name.$dtb_ext
if [ ${KERNEL_DTBVENDORED} == "false" ]; then
dtb_ext=${dtb##*.}
dtb_base_name=`basename $dtb .$dtb_ext`
dtb=$dtb_base_name.$dtb_ext
fi
install -Dm 0644 $dtb_path ${D}/${KERNEL_DTBDEST}/$dtb
done
}
@@ -88,7 +97,10 @@ do_deploy:append() {
dtb_ext=${dtb##*.}
dtb_base_name=`basename $dtb .$dtb_ext`
install -d $deployDir
install -m 0644 ${D}/${KERNEL_IMAGEDEST}/$dtb_base_name.$dtb_ext $deployDir/$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext
if [ ${KERNEL_DTBVENDORED} == "false" ]; then
dtb=$dtb_base_name.$dtb_ext
fi
install -m 0644 ${D}/${KERNEL_DTBDEST}/$dtb $deployDir/$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext
if [ "${KERNEL_IMAGETYPE_SYMLINK}" = "1" ] ; then
ln -sf $dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext $deployDir/$dtb_base_name.$dtb_ext
fi

2
meta/classes-recipe/kernel.bbclass
View File

@@ -215,6 +215,8 @@ KERNEL_RELEASE ?= "${KERNEL_VERSION}"
# The directory where built kernel lies in the kernel tree
KERNEL_OUTPUT_DIR ?= "arch/${ARCH}/boot"
KERNEL_IMAGEDEST ?= "boot"
KERNEL_DTBDEST ?= "${KERNEL_IMAGEDEST}"
KERNEL_DTBVENDORED ?= "false"
#
# configuration