[OE-core] [oe-core][PATCHv2 1/2] kernel.bbclass: merge uboot_mkimage improvements from meta-oe

[Martin Jansa]

* allows to detect ENTRYPOINT from kernel binary marked with UBOOT_ENTRYSYMBOL
  used e.g. by ben-nanonote

Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
---
 meta/classes/kernel.bbclass |   41 +++++++++++++++++++++++++----------------
 1 files changed, 25 insertions(+), 16 deletions(-)

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 3519e7c..0ae9bed 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -507,28 +507,37 @@ KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PV}-${PR}-${MACHINE}-${DATETIME
 KERNEL_IMAGE_BASE_NAME[vardepsexclude] = "DATETIME"
 KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}"
 
+do_uboot_mkimage() {
+	if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then 
+		if test ! -e arch/${ARCH}/boot/uImage ; then
+			ENTRYPOINT=${UBOOT_ENTRYPOINT}
+			if test -n "${UBOOT_ENTRYSYMBOL}"; then
+				ENTRYPOINT=`${HOST_PREFIX}nm ${S}/vmlinux | \
+					awk '$3=="${UBOOT_ENTRYSYMBOL}" {print $1}'`
+			fi
+			if test -e arch/${ARCH}/boot/compressed/vmlinux ; then
+				${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
+				uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage
+				rm -f linux.bin
+			else
+				${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
+				rm -f linux.bin.gz
+				gzip -9 linux.bin
+				uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C gzip -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage
+				rm -f linux.bin.gz
+			fi
+		fi
+	fi
+}
+
+addtask uboot_mkimage before do_install after do_compile
+
 kernel_do_deploy() {
 	install -m 0644 ${KERNEL_OUTPUT} ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin
 	if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
 		tar -cvzf ${DEPLOYDIR}/modules-${KERNEL_VERSION}-${PR}-${MACHINE}.tgz -C ${D} lib
 	fi
 
-	if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then 
-		if test -e arch/${ARCH}/boot/uImage ; then
-			cp arch/${ARCH}/boot/uImage ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin
-		elif test -e arch/${ARCH}/boot/compressed/vmlinux ; then
-			${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
-			uboot-mkimage -A ${ARCH} -O linux -T kernel -C none -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin
-			rm -f linux.bin
-		else
-			${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
-			rm -f linux.bin.gz
-			gzip -9 linux.bin
-			uboot-mkimage -A ${ARCH} -O linux -T kernel -C gzip -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin
-			rm -f linux.bin.gz
-		fi
-	fi
-
 	cd ${DEPLOYDIR}
 	rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.bin
 	ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${KERNEL_IMAGE_SYMLINK_NAME}.bin
-- 
1.7.8.5