2025

Archive 2025

PCIe, BAR0, and DMA Explained with QEMU

Published at September 24, 2025 ·  9 min read

Deep dive into how PCIe BAR0 registers control DMA engines, how devices become Bus Masters, and how to debug the logic with QEMU and Linux kernel drivers.






Installing Xen Support on Xilinx ZynqMP

Published at July 15, 2025 ·  3 min read

Install Xen on Xilinx ZynqMP (ZCU102 Rev 1.1) using Yocto build with manual boot script and DTB setup. Step-by-step guide for SD card boot and static IP configuration.