Ever wanted to make a CPU says Hello world? Or figure how a driver to communicate with hardware? Or how to reverse engineer a bootloader? Then this workshop is for you. The ultimate goal of this workshop is to make participants understand how they could emulate and debug binaries which runs directly on a CPU, without an underlying operating system. Good examples of such binaries are bootloaders and the kernel of the operating system itself. To this end, this workshop propose the following: * Install a cross compiler toolchain and compile the Qemu emulator from source code. * Try code samples with our compiled Qemu * Modify these samples to make them work on different machine types * Solve CTF challenge with static and dynamic analysis of a more complex binary using Qemu's debugging capabilities.