[yocto] Yocto with Initial RamFS

[Søren Holm]

Torsdag den 29. maj 2014 08:07:11 skrev Brian Smucker:
> Hi,
> 
> Was wondering why this has not been answered.  Maybe it is too dumb of a
> question? If so, let me know or point me to some documentation.
> 

I'm declaring an initramfs-image like this. As you can see the recipe is 
derived from core-image-minimal-initramfs. The package initramfs-vm provides 
the script /init executed on boot.

The "assembling" of the actual bootable image with initramfs and rootfs (in my 
case a squashfs) is done in another script.

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# initramfs for vm-image. Derived from core-image-minimal-initramfs
DESCRIPTION = "Small image capable of booting a a squashfs+aufs filesystem"

IMAGE_INSTALL = "initramfs-vm-boot busybox udev base-passwd"

# Do not pollute the initrd image with rootfs features
IMAGE_FEATURES = ""
IMAGE_LINGUAS = ""
#DISTRO_FEATURES = ""

inherit core-image

IMAGE_FSTYPES = "cpio"

IMAGE_PREPROCESS_COMMAND = "cb16_remote_bloat;"

cb16_remote_bloat() {
        rm -r ${IMAGE_ROOTFS}/boot
}
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-- 
Søren Holm