u-boot-qemu 2021.01+dfsg-3ubuntu0~20.04.6 (s390x binary) in ubuntu focal

 Das U-Boot is a cross-platform bootloader for embedded systems,
 used as the default boot loader by several board vendors. It is
 intended to be easy to port and to debug, and runs on many
 supported architectures, including PPC, ARM, MIPS, x86, m68k,
 NIOS, and Microblaze.
 .
 This package includes boot loaders for qemu/kvm.
 .
 Included platforms:
 qemu-ppce500
 qemu-riscv64
 qemu-riscv64_smode
 qemu-x86
 qemu-x86_64
 qemu_arm
 qemu_arm64