diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/classes/kernel-grub.bbclass')
-rw-r--r-- | import-layers/yocto-poky/meta/classes/kernel-grub.bbclass | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/import-layers/yocto-poky/meta/classes/kernel-grub.bbclass b/import-layers/yocto-poky/meta/classes/kernel-grub.bbclass deleted file mode 100644 index 5d92f3b63..000000000 --- a/import-layers/yocto-poky/meta/classes/kernel-grub.bbclass +++ /dev/null @@ -1,105 +0,0 @@ -# -# While installing a rpm to update kernel on a deployed target, it will update -# the boot area and the boot menu with the kernel as the priority but allow -# you to fall back to the original kernel as well. -# -# - In kernel-image's preinstall scriptlet, it backs up original kernel to avoid -# probable confliction with the new one. -# -# - In kernel-image's postinstall scriptlet, it modifies grub's config file to -# updates the new kernel as the boot priority. -# - -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 $D/boot/KERNEL_IMAGETYPE 2>/dev/null` - if [ -f "$D$kimage" ]; then - sed -i "s:KERNEL_IMAGETYPE \+root=:${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-${KERNEL_VERSION}" ]; then - timestamp=`date +%s` - kimage="$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" - fi - fi - fi -''' - - postinst = ''' - get_new_grub_cfg() { - grubcfg="$1" - old_image="$2" - title="Update KERNEL_IMAGETYPE-${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}#"` - - echo "menuentry \"$title\" {" - echo " set root=(hd0,1)" - echo "$rootfs" - echo "}" - elif [ "${grubcfg##*/}" = "menu.list" ]; then - rootfs=`grep "kernel \+[^ ]\+ \+root=" $grubcfg -m 1 | \ - sed "s#${old_image}#${old_image%/*}/KERNEL_IMAGETYPE-${KERNEL_VERSION}#"` - - echo "default 0" - echo "timeout 30" - echo "title $title" - echo "root (hd0,0)" - echo "$rootfs" - fi - } - - get_old_grub_cfg() { - grubcfg="$1" - if [ "${grubcfg##*/}" = "grub.cfg" ]; then - cat "$grubcfg" - elif [ "${grubcfg##*/}" = "menu.list" ]; then - sed -e '/^default/d' -e '/^timeout/d' "$grubcfg" - fi - } - - if [ -f "$D/boot/grub/grub.cfg" ]; then - grubcfg="$D/boot/grub/grub.cfg" - old_image=`grep ' *linux \+[^ ]\+ \+root=' -m 1 "$grubcfg" | awk '{print $2}'` - elif [ -f "$D/boot/grub/menu.list" ]; then - grubcfg="$D/boot/grub/menu.list" - old_image=`grep '^kernel \+[^ ]\+ \+root=' -m 1 "$grubcfg" | awk '{print $2}'` - fi - - # Don't update grubcfg at first install while old bzImage doesn't exist. - if [ -f "$D/boot/${old_image##*/}" ]; then - grubcfgtmp="$grubcfg.tmp" - get_new_grub_cfg "$grubcfg" "$old_image" > $grubcfgtmp - get_old_grub_cfg "$grubcfg" >> $grubcfgtmp - mv $grubcfgtmp $grubcfg - echo "Caution! Update kernel may affect kernel-module!" - fi -''' - - imagetypes = d.getVar('KERNEL_IMAGETYPES') - imagetypes = re.sub(r'\.gz$', '', 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) -} - |