The files in this directory are shared with other debuggers and
debug interfaces that use Advanced Micro Devices' UDI (universal debug
interface) protocol.  The protocol provides a common interface among
debuggers, logic analyzers, emulators, and embedded systems that use
AMD 29000 family processors.

Do not change these files without coordinating with Advanced Micro
Devices, Embedded Processor Division, 5204 E. Ben White Blvd, Austin, TX 78741.
Maybe postmaster@cayman.amd.com can direct you to the current maintainers.