LICENSE

   Sail

Sail and the Sail architecture models here, comprising all files and
directories except the ASL-derived Sail code in the aarch64 directory,
and the logo in the etc/logo/ directory (by Jean Pichon, under CC0),
are subject to the BSD two-clause licence below.

The ASL derived parts of the ARMv8.3 specification in
aarch64/no_vector and aarch64/full are copyright ARM Ltd.

Copyright (c) 2013-2021
  Kathyrn Gray
  Shaked Flur
  Stephen Kell
  Gabriel Kerneis
  Robert Norton-Wright
  Christopher Pulte
  Peter Sewell
  Alasdair Armstrong
  Brian Campbell
  Thomas Bauereiss
  Anthony Fox
  Jon French
  Dominic Mulligan
  Stephen Kell
  Mark Wassell
  Alastair Reid (Arm Ltd)

All rights reserved.

This work was partially supported by EPSRC grant EP/K008528/1 <a
href="http://www.cl.cam.ac.uk/users/pes20/rems">REMS: Rigorous
Engineering for Mainstream Systems</a>, an ARM iCASE award, EPSRC IAA
KTF funding, and donations from Arm.  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 contracts FA8650-18-C-7809 ("CIFV")
and FA8750-10-C-0237 ("CTSRD").

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.