kernel: Add KERNEL_IMAGETYPES to build multi types kernel at one time

Add KERNEL_IMAGETYPES to support building packaging and installing
multi types of kernel images, such as zImage uImage, at one time.

KERNEL_IMAGETYPE and KERNEL_ALT_IMAGETYPE work as before.

Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

1 files changed, 29 insertions, 15 deletions

diff --git a/meta/classes/kernel-grub.bbclass b/meta/classes/kernel-grub.bbclass
index a63f482a91..f7dcc0715a 100644
--- a/meta/classes/kernel-grub.bbclass
+++ b/meta/classes/kernel-grub.bbclass
@@ -10,41 +10,44 @@
 #   updates the new kernel as the boot priority.
 #
 
-pkg_preinst_kernel-image_append () {
+python __anonymous () {
+    import re
+
+    preinst = '''
 	# Parsing confliction
 	[ -f "$D/boot/grub/menu.list" ] && grubcfg="$D/boot/grub/menu.list"
 	[ -f "$D/boot/grub/grub.cfg" ] && grubcfg="$D/boot/grub/grub.cfg"
 	if [ -n "$grubcfg" ]; then
 		# Dereference symlink to avoid confliction with new kernel name.
-		if grep -q "/${KERNEL_IMAGETYPE} \+root=" $grubcfg; then
-			if [ -L "$D/boot/${KERNEL_IMAGETYPE}" ]; then
-				kimage=`realpath $D/boot/${KERNEL_IMAGETYPE} 2>/dev/null`
+		if grep -q "/KERNEL_IMAGETYPE \+root=" $grubcfg; then
+			if [ -L "$D/boot/KERNEL_IMAGETYPE" ]; then
+				kimage=`realpath $D/boot/KERNEL_IMAGETYPE 2>/dev/null`
 				if [ -f "$D$kimage" ]; then
-					sed -i "s:${KERNEL_IMAGETYPE} \+root=:${kimage##*/} root=:" $grubcfg
+					sed -i "s:KERNEL_IMAGETYPE \+root=:${kimage##*/} root=:" $grubcfg
 				fi
 			fi
 		fi
 
 		# Rename old kernel if it conflicts with new kernel name.
-		if grep -q "/${KERNEL_IMAGETYPE}-${KERNEL_VERSION} \+root=" $grubcfg; then
-			if [ -f "$D/boot/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}" ]; then
+		if grep -q "/KERNEL_IMAGETYPE-${KERNEL_VERSION} \+root=" $grubcfg; then
+			if [ -f "$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}" ]; then
 				timestamp=`date +%s`
-				kimage="$D/boot/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}-$timestamp-back"
-				sed -i "s:${KERNEL_IMAGETYPE}-${KERNEL_VERSION} \+root=:${kimage##*/} root=:" $grubcfg
-				mv "$D/boot/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}" "$kimage"
+				kimage="$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}-$timestamp-back"
+				sed -i "s:KERNEL_IMAGETYPE-${KERNEL_VERSION} \+root=:${kimage##*/} root=:" $grubcfg
+				mv "$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}" "$kimage"
 			fi
 		fi
 	fi
-}
+'''
 
-pkg_postinst_kernel-image_prepend () {
+    postinst = '''
 	get_new_grub_cfg() {
 		grubcfg="$1"
 		old_image="$2"
-		title="Update ${KERNEL_IMAGETYPE}-${KERNEL_VERSION}-${PV}"
+		title="Update KERNEL_IMAGETYPE-${KERNEL_VERSION}-${PV}"
 		if [ "${grubcfg##*/}" = "grub.cfg" ]; then
 			rootfs=`grep " *linux \+[^ ]\+ \+root=" $grubcfg -m 1 | \
-				 sed "s#${old_image}#${old_image%/*}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}#"`
+				 sed "s#${old_image}#${old_image%/*}/KERNEL_IMAGETYPE-${KERNEL_VERSION}#"`
 
 			echo "menuentry \"$title\" {"
 			echo "    set root=(hd0,1)"
@@ -52,7 +55,7 @@ pkg_postinst_kernel-image_prepend () {
 			echo "}"
 		elif [ "${grubcfg##*/}" = "menu.list" ]; then
 			rootfs=`grep "kernel \+[^ ]\+ \+root=" $grubcfg -m 1 | \
-				 sed "s#${old_image}#${old_image%/*}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}#"`
+				 sed "s#${old_image}#${old_image%/*}/KERNEL_IMAGETYPE-${KERNEL_VERSION}#"`
 
 			echo "default 0"
 			echo "timeout 30"
@@ -87,5 +90,16 @@ pkg_postinst_kernel-image_prepend () {
 		mv $grubcfgtmp $grubcfg
 		echo "Caution! Update kernel may affect kernel-module!"
 	fi
+'''
+
+    imagetypes = d.getVar('KERNEL_IMAGETYPES', True)
+    imagetypes = re.sub(r'\.gz$', '', imagetypes)
+
+    for type in imagetypes.split():
+        typelower = type.lower()
+        preinst_append = preinst.replace('KERNEL_IMAGETYPE', type)
+        postinst_prepend = postinst.replace('KERNEL_IMAGETYPE', type)
+        d.setVar('pkg_preinst_kernel-image-' + typelower + '_append', preinst_append)
+        d.setVar('pkg_postinst_kernel-image-' + typelower + '_prepend', postinst_prepend)
 }