ARM has selectable endianess, but it's difficult to find an OS that will run big endian ARM in any sort of out-of-the-box way. The simplest one I could find is

ARM has selectable endianess, but it's difficult to find an OS that will run big endian ARM in any sort of out-of-the-box way. The simplest one I could find is netbsd, which can run big-endian on an Rpi3 and some other boards. https://wiki.netbsd.org/ports/evbarm/ https://wiki.netbsd.org/ports/evbarm/ (see the earmv7hfeb note)