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; RTL - A Formal Theory of Register-Transfer Logic and Computer Arithmetic
; Copyright (C) 1995-2013 Advanced Mirco Devices, Inc.
;
; Contact:
; David Russinoff
; 1106 W 9th St., Austin, TX 78703
; http://www.russsinoff.com/
;
; This program is free software; you can redistribute it and/or modify it under
; the terms of the GNU General Public License as published by the Free Software
; Foundation; either version 2 of the License, or (at your option) any later
; version.
;
; This program is distributed in the hope that it will be useful but WITHOUT ANY
; WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
; PARTICULAR PURPOSE. See the GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License along with
; this program; see the file "gpl.txt" in this directory. If not, write to the
; Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA
; 02110-1335, USA.
;
; Author: David M. Russinoff (david@russinoff.com)
(in-package "ACL2")
(set-enforce-redundancy t)
(local (include-book "../support/package-defs"))
;;Miscellaneous symbols that are not in *acl2-exports*:
(defmacro other-acl2-symbols ()
''(local-defun local-defthm local-in-theory
n ; clock argument
defbvecp ; macro written out by compiler
defclock ; macro written out by compiler
defperiodic
fast-clock ;BOZO, is importing these into the packages, the right way to handle this?
slow-clock-one-quantum-wide
slow-clock-one-quantum-wide-shifted
slow-clock-two-quanta-wide
slow-clock-two-quanta-wide-shifted
always-1
posedge negedge edge ; for defclock macro, which we used to use
pedge nedge ;for defperiodic macro
$path ; path argument of signal functions
sub1-induction ; for bvecp lemma hints
))
;;Symbols that occur in the RTL translation. Formerly the symbol UNKNOWN was excluded from this
;;list so that the corresponding symbol in the "*" package could be assigned a different function
;;definition; but the first argument of unknown can be in any package desired.
(defmacro rtl-symbols ()
''(log= log<> log< log<= log> log>= lnot logand1 logior1 logxor1 shft lshft
rshft cat mulcat bitn bits setbits setbitn mod+ mod* mod- bind
case-select if1 cond1 reset reset2 land lior lxor lcat n! arr0 natp1
as ag mk-bvarr mk-bvec ag2 as2
abs trunc near minf inf sticky sig expo bitvec ; appeared May 2004 (from rpl_main.cc)
expt ; appeared May 2004 (seems to come from r2s)
prop gen
unknown unknown2))
;;Functions that are defined in the FP library:
(defmacro fp-symbols ()
''(natp fl cg fl-half bvecp bv-arrp sumbits sigm kap tau lamt lamg lamz lam1 lam2 lam3 lam4 lam0 lamb
expo sgn sig
exactp fp+ bias esgnf eexpof esigf erepp eencodingp eencode edecode ndecode rebias-expo isgnf iexpof isigf
nrepp drepp irepp nencodingp dencodingp iencodingp nencode dencode iencode ddecode idecode trunc away re
near near-witness near+ sticky oddr kp inf minf ieee-mode-p rnd flip
rnd-const drnd drnd-original))
;;ACL2 symbols that are imported by all packages:
(defmacro shared-symbols ()
'(union-eq *acl2-exports*
(union-eq *common-lisp-symbols-from-main-lisp-package*
(union-eq (other-acl2-symbols)
(union-eq (fp-symbols)
(rtl-symbols))))))
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