Currently, I have a functional Yocto image in `.wic.gz` format, and I have a ~7GB eMMC storage. I then set the size for the partition in my `.wks` to ~7GB also, but this makes the flashing process painfully long (by doing `gzwrite mmc`). Hence, I thought of having a minimal Linux image (since, AFAIK, U-boot does not the tools to manipulate partitions and filesystem) with tools to do storage partition and filesystem creation. I then can flash this image (in `.wic.gz` format) onto my eMMC, and use that image to partition, create the filesystem, and extract my featureful image (in `tar.gz`) onto the newly created filesystem. I have a working POC but I have a few questions:
* Is there anything wrong with this approach? Is there some simpler approach that can achieve what I need? (Improving the flashing time) * Since I only need a small Linux image, I found that I can use the `poky-tiny` distro to make the image as small as conveniently possible. However, this means that my featureful image and my minimal image will use different distros. Is this a problem? If it is, how can I set different distro options for different images? * Let's say I start with a system having only U-boot, can I automate the whole process from plugging in a USB (with the appropriate images on there) to having the featureful image flashed?
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