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(*
* CoqUp: Verified high-level synthesis.
* Copyright (C) 2019-2020 Yann Herklotz <yann@yannherklotz.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 3 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. If not, see <https://www.gnu.org/licenses/>.
*)
From Coq Require Import
Structures.OrderedTypeEx
FSets.FMapPositive
Program.Basics
PeanoNat
ZArith.
From bbv Require Word.
From coqup.common Require Import Helper Coquplib Show.
Import ListNotations.
Definition reg : Type := positive.
Record value : Type := mkvalue {
vsize : nat;
vword : Word.word vsize
}.
Definition posToValue (p : positive) : value :=
let size := Z.to_nat (log_sup p) in
mkvalue size (Word.posToWord size p).
Definition state : Type := PositiveMap.t value * PositiveMap.t value.
Inductive binop : Type :=
| Vconst (v : value)
| Vmove
| Vneg
| Vadd
| Vsub
| Vmul
| Vmulimm (v : value)
| Vdiv
| Vdivimm (v : value)
| Vmod
| Vlt
| Vgt
| Vle
| Vge
| Veq
| Vand
| Vor
| Vxor.
Inductive expr : Type := Op (op : binop) (v : list expr).
Inductive stmnt : Type :=
| Skip
| Block (s : list stmnt)
| Cond (c : expr) (st sf : stmnt)
| Case (c : expr) (b : list (expr * stmnt))
| Blocking (a b : expr)
| Nonblocking (a b : expr)
| Decl (v : reg) (s : nat) (b : expr).
Definition posToLit (p : positive) : expr :=
Lit (posToValue p).
Definition verilog : Type := list stmnt.
Coercion Lit : value >-> expr.
Coercion Var : reg >-> expr.
|
