The root file system decompresses and goes on to reside on the RAM. While configuring the Petalinux, the default setting bundles the root file system into one of the BOOT files that reside in the FAT32 partition. Now, this root file system becomes our interest for today. On the other hand, the second partition consists of the root file system. It should contain the usual files necessary to program the FPGA and boot the processor. The first partition should always be FAT32 known as the boot partition. Your SD card should have two partitions, FAT32 and an ext4 partition. The basic setup consists of you having a running Petalinux system. If you are entirely new to this, go back to this tutorial and have a basic setup ready. Now, this requires you to have a pre-built Petalinux setup at hand. Embedded linux for Zynq SoC which is an FPGA and an applications processor is an entirely different game.Ĭoming back to our main topic here Running Ubuntu 20.04 on Zynq. Embedded Linux is HARD!!! Running a few commands here and there on a pre-assembled linux system is far from what we are doing here. I would say that there’s still a long way to the top. Coming to this point required me to climb a steep learning slope. With time and consistency, I can now build Petalinux and at least understand what some of the settings mean. I found the whole thing quite difficult to grasp at the beginning. It gets tricky when you need to modify the core settings and tweak the operating system to make it do what you want it to do. The process itself is quite simple when all you have to do is run Linux. One of the earlier posts demonstrated the process of building Petalinux for the Zynq SoC on the Zybo board.
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