Hello all, I'm mainly a VHDL developer, although in our last project I've started working with an embedded Linux installed in a ZYNQ from Xilinx that combines logic with several processors.
Due to my lack of knowledge, I started using the rootfs of an embedded ubuntu to develop the software (as described here <https://medium.com/developments-and-implementations-on-zynq-7000-ap/install-ubuntu-16-04-lts-on-zynq-zc702-using-petalinux-2016-4-e1da902eaff7>), since it was easier for me to install the necessary packages, while the BOOT and other files were created with Petalinux (I did not know about Yocto at the beginning). To sum up, the ZYNQ is running Ubuntu on one of the processors (while the baremetal code that controls the firmware is run on the other one). Everything is currently (and temporarily) running from the SD card, so that the SD has two partitions, one called BOOT (containing the files BOOT.BIN, image.ub and system.dtb), and another one with the rootfs tree. I have been working with this scheme for a while, installing several packages and developing some applications. Thus, rootfs has far evolved from the initial one. My intention now is to set SWUpdate <https://sbabic.github.io/swupdate/swupdate.html> to remotely update all the software everytime a new version is released, so that I should generate an image of each of the two partitions. The problem is that I do not know which should be the right steps to generate these images. As I understood, Yocto can provide a clean rootfs, but I've not been able to find the way to integrate your own rootfs. Considering the situation described here, is there any tutorial/web/anything that could be used as a guide (for dummies) to suitable generate the images using Yocto? Any help will be greatly welcome. Thank you very much in advance, Albert
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