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|
%{
(****************************************************************************)
(* the diy toolsuite *)
(* *)
(* Jade Alglave, University College London, UK. *)
(* Luc Maranget, INRIA Paris-Rocquencourt, France. *)
(* *)
(* Copyright 2017-present Institut National de Recherche en Informatique et *)
(* en Automatique and the authors. All rights reserved. *)
(* *)
(* This software is governed by the CeCILL-B license under French law and *)
(* abiding by the rules of distribution of free software. You can use, *)
(* modify and/ or redistribute the software under the terms of the CeCILL-B *)
(* license as circulated by CEA, CNRS and INRIA at the following URL *)
(* "http://www.cecill.info". We also give a copy in LICENSE.txt. *)
(****************************************************************************)
module A=RISCVBase
(* We consider memory order and IO as the same*)
let tr_rw = function
| "r" -> A.R
| "ir" -> A.IR
| "w" -> A.W
| "ow" -> A.OW
| "rw" -> A.RW
| "iorw" -> A.IORW
| _ -> raise Parsing.Parse_error
%}
%token EOF
%token <RISCVBase.reg> ARCH_REG
%token <string> SYMB_REG
%token <int> NUM
%token <string> NAME
%token <int> PROC
%token SEMI COMMA PIPE COLON LPAR RPAR
/* Instruction tokens */
%token <RISCVBase.opi> OPI
%token <RISCVBase.opiw> OPIW
%token LI LUI LA
%token <RISCVBase.op> OP
%token <RISCVBase.opw> OPW
%token J
%token <RISCVBase.cond> BCC
%token <RISCVBase.width * RISCVBase.signed * RISCVBase.mo > LOAD
%token <RISCVBase.width * RISCVBase.mo> STORE
%token <RISCVBase.width * RISCVBase.mo> LR
%token <RISCVBase.width * RISCVBase.mo> SC
%token <RISCVBase.opamo * RISCVBase.width * RISCVBase.mo> AMO
%token FENCE FENCEI FENCETSO AUIPC
%token <string> META
%token NOP RET MV
%token <RISCVBase.signed * RISCVBase.width> EXT
%type <MiscParser.proc list * (RISCVBase.parsedPseudo) list list> main
%type <RISCVBase.parsedPseudo list> instr_option_seq
%start main instr_option_seq
%%
main:
| semi_opt proc_list iol_list EOF { $2,$3 }
semi_opt:
| { () }
| SEMI { () }
proc_list:
| ps=separated_nonempty_list(PIPE,PROC) SEMI
{ List.map (fun p -> p,None,MiscParser.Main) ps }
iol_list :
| instr_option_list SEMI
{[$1]}
| instr_option_list SEMI iol_list {$1::$3}
instr_option_list :
| instr_option
{[$1]}
| instr_option PIPE instr_option_list
{$1::$3}
instr_option_seq :
| is=separated_nonempty_list(SEMI,instr_option) EOF { is }
instr_option :
| { A.Nop }
| NAME COLON instr_option { A.Label ($1,$3) }
| instr { A.Instruction $1}
reg:
| SYMB_REG { A.Symbolic_reg $1 }
| ARCH_REG { $1 }
k:
| NUM { MetaConst.Int $1 }
| META { MetaConst.Meta $1 }
addr:
| NUM LPAR reg RPAR
{ $1,$3 }
| LPAR reg RPAR
{ 0,$2 }
addr0:
| NUM LPAR reg RPAR
{ if $1 <> 0 then raise Parsing.Parse_error;
$3 }
| LPAR reg RPAR
{ $2 }
instr:
| NOP
{ A.INop }
| RET
{ A.Ret }
/* OPs */
| LI reg COMMA k
{ A.OpI (A.ORI,$2,A.Ireg A.X0,$4) }
| LA reg COMMA NAME
{ A.OpA (A.LA,$2,$4) }
| LUI reg COMMA k
{ A.OpI2 (A.LUI,$2,$4) }
| OPI reg COMMA reg COMMA k
{ A.OpI ($1,$2,$4,$6) }
| OPIW reg COMMA reg COMMA k
{ A.OpIW ($1,$2,$4,$6) }
| OP reg COMMA reg COMMA reg
{ A.Op ($1,$2,$4,$6) }
| OPW reg COMMA reg COMMA reg
{ A.OpW ($1,$2,$4,$6) }
| J NAME
{ A.J $2 }
| BCC reg COMMA reg COMMA NAME
{ A.Bcc ($1,$2,$4,$6) }
| MV reg COMMA reg
{ A.OpI (A.ADDI, $2, $4, MetaConst.Int 0) }
| LOAD reg COMMA addr
{ let w,s,mo = $1 in
let off,r = $4 in
A.Load (w,s,mo,$2,off,r) }
| STORE reg COMMA addr
{let w,mo = $1 in
let off,r = $4 in
A.Store (w,mo,$2,off,r) }
| LR reg COMMA addr0
{ let w,mo = $1 in
A.LoadReserve (w,mo,$2,$4) }
| SC reg COMMA reg COMMA addr0
{ let w,mo = $1 in
A.StoreConditional (w,mo,$2,$4,$6) }
| AUIPC reg COMMA k
{ A.AUIPC ($2, $4) }
| AMO reg COMMA reg COMMA addr0
{ let op,w,mo = $1 in
A.Amo (op,w,mo,$2,$4,$6) }
| FENCEI
{ A.FenceIns A.FenceI }
| FENCETSO
{ A.FenceIns A.FenceTSO }
| FENCE
{ A.FenceIns (A.Fence (A.RW,A.RW)) }
| FENCE NAME COMMA NAME
{ A.FenceIns (A.Fence (tr_rw $2,tr_rw $4)) }
| EXT reg COMMA reg
{ let s,w = $1 in A.Ext (s,w,$2,$4) }
|
