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.

(From OE-Core rev: 849b67b2e4820564b5e5c9bd4bb293c44351c5f3)

Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

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)
 }