because my patch series tend to fail on x86 while working on arm, I hope those links will help in creating virtual arm debian install for testing

official qemu wiki

https://wiki.qemu.org/Documentation/Platforms/ARM

link from this wiki to older (2017) guide, you probably want to change debian distro name in d/l links

https://translatedcode.wordpress.com/2017/07/24/installing-debian-on-qemus-64-bit-arm-virt-board/

also, for faster performance try
https://wiki.qemu.org/Features/tcg-multithread
(do not forgot -smp 4 (or 8) argument)