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* initramfs-framework/setup-live: quote bootparam_root variableCalifornia Sullivan2017-08-241-1/+1
| | | | | | | | | When bootparam_root was empty the if statement would resolve into invalid syntax instead of short circuiting after the -z, causing a boot failure. Signed-off-by: California Sullivan <california.l.sullivan@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
* initramfs-framework/setup-live: also boot live image if root=/dev/ram0California Sullivan2017-08-191-1/+1
| | | | | | | | | | | | | | | | Our grub and syslinux bootloaders both define root=/dev/ram0 for live images by default. Kernel docs show that root=/dev/ram0 is just a sentinel value for the kernel to mount the initrd as root, which then mounts and switches to the real root. This is exactly what our scripts do, so just check for root=/dev/ram0 as well. See: https://www.kernel.org/doc/html/v4.11/admin-guide/initrd.html#operation This fixes the issue where the new initramfs-framework scripts would not boot live images that use grub or syslinux bootloaders. Signed-off-by: California Sullivan <california.l.sullivan@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
* initramfs-framework/setup-live: remove superfluous breakCalifornia Sullivan2017-08-091-2/+0
| | | | | | | | This causes us to fall out of the module setup/run loop in the base init script should "root=" be defined, causing a boot failure. Signed-off-by: California Sullivan <california.l.sullivan@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
* initramfs-framework: module to support boot live imageNg, Wei Tee2017-07-271-0/+66
setup-live module is a new module being introduced to integrate the functionality of init-live.sh into new scriptlet named setup-live in order to support the live boot image. The udev-extraconf rdepends is being added to perform automounting. It gets to run before the rootfs and finish module. The setup-live scriplet include the changes for: - Create a conditional loop for the bootparam_root variable. If it is not set, then it will boot from ROOT_IMAGE. Else, it will boot normally which is not from removable media. - Gives a standard path to the original boot disk mount which can be used to. While /media/sda is a good guess, it isn't always right, nor is it a good assumption that only one boot disk is in the system. - The current rootfs module has no support for rootfs images, currently it only support for rootfs partitions for wic image. Therefore, there is a need to assign the rootfs image for live image. [YOCTO #11701] Signed-off-by: Ng, Wei Tee <wei.tee.ng@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>