Test your favourite software on a big-endian machine
Using the MIPS architecture from QEMU we can test software on a big-endian architecture without hassle. This guide fully automates the required steps for producing a debian stretch OS running on a virtualized MIPS Malta processor.
Create disc image with enough space
qemu-img create -f qcow2 hda.img 50G
Install debian stretch into that image using preseeding (takes a while!). Requires a DHCP server and network access. If you are lazy grab the resulting image from here and skip that step.
Startup your new OS
Connect via ssh from your terminal (user: debian, password: debian)
ssh -p 2222 firstname.lastname@example.org
and start hacking on your big-endian machine
debian@debian:~$ lscpu Architecture: mips Byte Order: Big Endian CPU(s): 1 On-line CPU(s) list: 0 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 1 BogoMIPS: 995.32