Make Lem export of CHERI(-256) typecheck

Note: The effect annotations of the execute function differ between CHERI and
MIPS, so I split out a new file mips_ast_decl.sail for MIPS with just the
initial declarations of ast, decode, and execute (with the right effects for
MIPS).

1 files changed, 44 insertions, 0 deletions

diff --git a/mips_new_tc/mips_ast_decl.sail b/mips_new_tc/mips_ast_decl.sail
new file mode 100644
index 00000000..68e0558b
--- /dev/null
+++ b/mips_new_tc/mips_ast_decl.sail
@@ -0,0 +1,44 @@
+(*========================================================================*)
+(*                                                                        *)
+(*  Copyright (c) 2015-2017 Robert M. Norton                              *)
+(*  Copyright (c) 2015-2017 Kathyrn Gray                                  *)
+(*  All rights reserved.                                                  *)
+(*                                                                        *)
+(*  This software was developed by the University of Cambridge Computer   *)
+(*  Laboratory as part of the Rigorous Engineering of Mainstream Systems  *)
+(*  (REMS) project, funded by EPSRC grant EP/K008528/1.                   *)
+(*                                                                        *)
+(*  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.                                                          *)
+(*========================================================================*)
+
+(* misp_insts.sail: mips instruction decode and execute clauses and AST node
+   declarations *)
+
+scattered typedef ast = const union
+
+val ast -> unit effect {barr, eamem, escape, rmem, rreg, undef, wmv, wreg} execute
+scattered function unit execute
+
+val bit[32] -> option<ast> effect pure decode
+scattered function option<ast> decode