[OE-core] [PATCH V2 0/1] kernel-grub.bbclass: a method to install/update for bzImage

[Hongxu Jia]

Ping

//Hongxu

On 09/18/2013 03:26 PM, Hongxu Jia wrote:
> Change in V2: Create a "kernel-grub.bbclass" to do the job which means
>                it is disabled by default.
>
> Test Case:
> 1. Add INHERIT_append = " kernel-grub" to local.conf and build a new kernel
>     image rpm package.
>
> 2. Prepare a deployed target, and make sure your boot area has enough disk
>     space (free space >= 5MB).
>
> 3. Download the new kernel image rpm to the target.
>
> 4. Before install/update, check boot area and menu
> root at qemux86-64:~# ls /boot/
> grub        vmlinuz
>
> root at qemux86-64:~# cat /boot/grub/grub.cfg
> menuentry "Linux" {
>      set root=(hd0,1)
>      linux /vmlinuz root=/dev/hdb2  rw  console=tty0  quiet
> }
>
> 4. Install/update bzImage
> root at qemux86-64:~# rpm -i kernel-image-3.10.11-yocto-standard-3.10.12+git0+285f93bf94_702040ac7c-r0.qemux86_64.rpm
> Caution! Update kernel may affect kernel-module!
> update-alternatives: Linking //boot/bzImage to bzImage-3.10.11-yocto-standard
>
> 5. After install/update, check boot area and menu
> root at qemux86-64:~# ls /boot/ -al
> drwxr-xr-x    4 root     root          1024 Sep 18 06:58 .
> drwxr-xr-x   17 root     root          4096 Sep 18 06:41 ..
> lrwxrwxrwx    1 root     root            30 Sep 18 06:58 bzImage -> bzImage-3.10.11-yocto-standard
> -rw-r--r--    1 root     root       5601808 Sep 18 06:45 bzImage-3.10.11-yocto-standard
> drwxr-xr-x    4 root     root          1024 Sep 18 06:58 grub
> -rwxr-x---    1 root     root       5601776 Sep 18 06:38 vmlinuz
>
> root at qemux86-64:~# cat /boot/grub/grub.cfg
> menuentry "Update bzImage-3.10.11-yocto-standard-3.10.12+gitAUTOINC+285f93bf94_702040ac7c" {
>      set root=(hd0,1)
>      linux /bzImage-3.10.11-yocto-standard root=/dev/hdb2  rw  console=tty0  quiet
> }
> menuentry "Linux" {
>      set root=(hd0,1)
>      linux /vmlinuz root=/dev/hdb2  rw  console=tty0  quiet
> }
>
>
> 6. Reboot target, 'Update bzImage-3.10.11-yocto-standard-3.10.12+gitAUTOINC+285f93bf94_702040ac7c'
>     will be in the boot menu.
>
> 7. It supports GRUB 0.97 in which use menu.lst rather than grub.cfg as config
>     file.
>
> 8. If you install the same rpm more than one time with '--force', there will
>     be multiple kernel images in boot area and menu.
>
> //Hongxu
>
> The following changes since commit 825cfeb2e6777a55077ecff32d5b2c0e3da13ae8:
>
>    bitbake: usermanual.xml: Two new sections added to BitBake "Description" (2013-09-17 22:27:56 +0100)
>
> are available in the git repository at:
>
>    git://git.pokylinux.org/poky-contrib hongxu/update-bzimage
>    http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=hongxu/update-bzimage
>
> Hongxu Jia (1):
>    kernel-grub.bbclass: a method to install/update for bzImage
>
>   meta/classes/kernel-grub.bbclass | 79 ++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 79 insertions(+)
>   create mode 100644 meta/classes/kernel-grub.bbclass
>