[oe-commits] [openembedded-core] 18/19: init-install.sh: support multiple kernels and don't assume vmlinuz

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 9d858fe1657c25b6216a98d28452d691154a3256
Author: California Sullivan <california.l.sullivan at intel.com>
AuthorDate: Fri Dec 1 16:23:34 2017 -0800

    init-install.sh: support multiple kernels and don't assume vmlinuz
    
    Since kernels will not necessarily be installed as vmlinuz anymore,
    don't assume that's its name for either the bootloader config or the
    copy of the kernel.
    
    Also, allow installing multiple kernels by searching for common kernel
    names.
    
    Signed-off-by: California Sullivan <california.l.sullivan at intel.com>
---
 .../initrdscripts/files/init-install.sh            | 37 ++++++++++++++++++++--
 1 file changed, 34 insertions(+), 3 deletions(-)

diff --git a/meta/recipes-core/initrdscripts/files/init-install.sh b/meta/recipes-core/initrdscripts/files/init-install.sh
index dade059..713a830 100644
--- a/meta/recipes-core/initrdscripts/files/init-install.sh
+++ b/meta/recipes-core/initrdscripts/files/init-install.sh
@@ -256,9 +256,34 @@ fi
 umount /tgt_root
 umount /src_root
 
+echo "Looking for kernels to use as boot target.."
+# Find kernel to boot to
+# Give user options if multiple are found
+kernels="$(find /run/media/$1/ -type f  \
+           -name bzImage* -o -name zImage* \
+           -o -name vmlinux* -o -name vmlinuz* \
+           -o -name fitImage* \
+           | sed s:.*/::)"
+if [ -n "$(echo $kernels)" ]; then
+    # only one kernel entry if no space
+    if [ -z "$(echo $kernels | grep " ")" ]; then
+        kernel=$kernels
+        echo "$kernel will be used as the boot target"
+    else
+        echo "Which kernel do we want to boot by default? The following kernels were found:"
+        echo $kernels
+        read answer
+        kernel=$answer
+    fi
+else
+    echo "No kernels found, exiting..."
+    exit 1
+fi
+
 # Handling of the target boot partition
 mount $bootfs /boot
 echo "Preparing boot partition..."
+
 if [ -f /etc/grub.d/00_header -a $grub_version -ne 0 ] ; then
     echo "Preparing custom grub2 menu..."
     root_part_uuid=$(blkid -o value -s PARTUUID ${rootfs})
@@ -268,7 +293,7 @@ if [ -f /etc/grub.d/00_header -a $grub_version -ne 0 ] ; then
     cat >$GRUBCFG <<_EOF
 menuentry "Linux" {
     search --no-floppy --fs-uuid $boot_uuid --set root
-    linux /vmlinuz root=PARTUUID=$root_part_uuid $rootwait rw $5 $3 $4 quiet
+    linux /$kernel root=PARTUUID=$root_part_uuid $rootwait rw $5 $3 $4 quiet
 }
 _EOF
     chmod 0444 $GRUBCFG
@@ -282,10 +307,16 @@ if [ $grub_version -eq 0 ] ; then
     echo "timeout 30" >> /boot/grub/menu.lst
     echo "title Live Boot/Install-Image" >> /boot/grub/menu.lst
     echo "root  (hd0,0)" >> /boot/grub/menu.lst
-    echo "kernel /vmlinuz root=$rootfs rw $3 $4 quiet" >> /boot/grub/menu.lst
+    echo "kernel /$kernel root=$rootfs rw $3 $4 quiet" >> /boot/grub/menu.lst
 fi
 
-cp /run/media/$1/vmlinuz /boot/
+# Copy kernel artifacts. To add more artifacts just add to types
+# For now just support kernel types already being used by something in OE-core
+for types in bzImage zImage vmlinux vmlinuz fitImage; do
+    for kernel in `find /run/media/$1/ -name $types*`; do
+        cp $kernel /boot
+    done
+done
 
 umount /boot
 

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