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-rw-r--r--meta/classes-recipe/kernel-uimage.bbclass41
1 files changed, 41 insertions, 0 deletions
diff --git a/meta/classes-recipe/kernel-uimage.bbclass b/meta/classes-recipe/kernel-uimage.bbclass
new file mode 100644
index 0000000000..1a599e656c
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+++ b/meta/classes-recipe/kernel-uimage.bbclass
@@ -0,0 +1,41 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+inherit kernel-uboot
+
+python __anonymous () {
+ if "uImage" in d.getVar('KERNEL_IMAGETYPES'):
+ depends = d.getVar("DEPENDS")
+ depends = "%s u-boot-tools-native" % depends
+ d.setVar("DEPENDS", depends)
+
+ # Override KERNEL_IMAGETYPE_FOR_MAKE variable, which is internal
+ # to kernel.bbclass . We override the variable here, since we need
+ # to build uImage using the kernel build system if and only if
+ # KEEPUIMAGE == yes. Otherwise, we pack compressed vmlinux into
+ # the uImage .
+ if d.getVar("KEEPUIMAGE") != 'yes':
+ typeformake = d.getVar("KERNEL_IMAGETYPE_FOR_MAKE") or ""
+ if "uImage" in typeformake.split():
+ d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', typeformake.replace('uImage', 'vmlinux'))
+
+ # Enable building of uImage with mkimage
+ bb.build.addtask('do_uboot_mkimage', 'do_install', 'do_kernel_link_images', d)
+}
+
+do_uboot_mkimage[dirs] += "${B}"
+do_uboot_mkimage() {
+ uboot_prep_kimage
+
+ ENTRYPOINT=${UBOOT_ENTRYPOINT}
+ if [ -n "${UBOOT_ENTRYSYMBOL}" ]; then
+ ENTRYPOINT=`${HOST_PREFIX}nm ${B}/vmlinux | \
+ awk '$3=="${UBOOT_ENTRYSYMBOL}" {print "0x"$1;exit}'`
+ fi
+
+ uboot-mkimage -A ${UBOOT_ARCH} -O linux -T ${UBOOT_MKIMAGE_KERNEL_TYPE} -C "${linux_comp}" -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin ${B}/arch/${ARCH}/boot/uImage
+ rm -f linux.bin
+}