LICENCE

   Sail CHERI-MIPS

The Sail architecture models here are subject to the BSD two-clause
licence below.  The snapshots of the Lem, Sail, and bbv libraries in
the prover_snapshots directory contain copies of their licences.

Copyright (c) 2013-2021
  Alasdair Armstrong
  Thomas Bauereiss
  Brian Campbell
  Jessica Clarke
  Nathaniel Filardo
  Shaked Flur
  Jon French
  Kathryn Gray
  Alexandre Joannou
  Robert Norton-Wright
  Christopher Pulte
  Alexander Richardson
  Peter Sewell

All rights reserved.

This software was developed within the Rigorous Engineering of
Mainstream Systems (REMS) project, partly funded by EPSRC grant
EP/K008528/1, at the Universities of Cambridge and Edinburgh.

This project has received funding from the European Research Council
(ERC) under the European Union’s Horizon 2020 research and innovation
programme (grant agreement No 789108, ELVER).

This software was developed by SRI International and the University of
Cambridge Computer Laboratory (Department of Computer Science and
Technology) under DARPA/AFRL contract FA8650-18-C-7809 ("CIFV").


Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in
   the documentation and/or other materials provided with the
   distribution.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.