# Supported platforms

IBM z Systems version 10 and up, in 64-bit flat addressing mode,
running Linux (Debian architecture: `s390x`).

# Reference documents

* Instruction set architecture:
   _z/Architecture Principles of Operation_,
   SA22-7832-07, eight edition (Feb 2009).
   This is the version that corresponds to z10.
   Newer versions of this manual include additional instructions
   that are not in z10.
* ELF ABI:
   _zSeries ELF Application Binary Interface Supplement_
   (http://refspecs.linuxfoundation.org/ELF/zSeries/index.html)