Binary package “qemu-system-x86-xen” in ubuntu hirsute

QEMU full system emulation binaries (x86)

 QEMU is a fast processor emulator: currently the package supports
 i386 and x86-64 emulation. By using dynamic translation it achieves
 reasonable speed while being easy to port on new host CPUs.
 .
 This package provides the full system emulation binaries to emulate
 the following x86 hardware: .
 .
 In comparison to the main qemu-system-x86 this package has xen support
 enabled, but is only maintained as universe package. Qemu with xen support
 is needed to run Xen in HVM mode. For any other use case you should install
 and use qemu-system-x86 instead.