From 4a2f5c39a29bdb4f626bfdb109753ca106a71a33 Mon Sep 17 00:00:00 2001
From: Cyrille Bagard <nocbos@gmail.com>
Date: Sun, 14 Jun 2015 10:35:16 +0000
Subject: Handled properly the sign extension when extending values.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@539 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
---
 ChangeLog                           | 20 ++++++++
 src/arch/arm/v7/opdefs/add_A884.d   |  2 +-
 src/arch/arm/v7/opdefs/add_A889.d   |  2 +-
 src/arch/arm/v7/opdefs/b_A8818.d    | 12 ++---
 src/arch/arm/v7/opdefs/bl_A8825.d   |  4 +-
 src/arch/arm/v7/opdefs/sub_A88221.d |  2 +-
 src/arch/arm/v7/opdefs/sub_A88225.d |  2 +-
 tools/d2c/args.c                    | 92 +++++++++++++++++++++++++++++++------
 tools/d2c/args.h                    |  6 +++
 tools/d2c/d2c_gram.y                |  4 +-
 tools/d2c/d2c_tok.l                 | 40 ++++------------
 11 files changed, 127 insertions(+), 59 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 42e21d3..641a542 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,23 @@
+15-06-14  Cyrille Bagard <nocbos@gmail.com>
+
+	* src/arch/arm/v7/opdefs/add_A884.d:
+	* src/arch/arm/v7/opdefs/add_A889.d:
+	Fix a syntax mistake.
+
+	* src/arch/arm/v7/opdefs/b_A8818.d:
+	* src/arch/arm/v7/opdefs/bl_A8825.d:
+	Handle properly the sign extension when extending values.
+
+	* src/arch/arm/v7/opdefs/sub_A88221.d:
+	* src/arch/arm/v7/opdefs/sub_A88225.d:
+	Fix a syntax mistake.
+
+	* tools/d2c/args.c:
+	* tools/d2c/args.h:
+	* tools/d2c/d2c_gram.y:
+	* tools/d2c/d2c_tok.l:
+	Allow to use binary or hex values as arguments. Clean the code.
+
 15-06-13  Cyrille Bagard <nocbos@gmail.com>
 
 	* Makefile.am:
diff --git a/src/arch/arm/v7/opdefs/add_A884.d b/src/arch/arm/v7/opdefs/add_A884.d
index 90e1235..fb79567 100644
--- a/src/arch/arm/v7/opdefs/add_A884.d
+++ b/src/arch/arm/v7/opdefs/add_A884.d
@@ -101,7 +101,7 @@
 
         Rd = Register(Rd)
         Rn = Register(Rn)
-        const = ZeroExtend((i:imm3:imm8, 12, 32)
+        const = ZeroExtend(i:imm3:imm8, 12, 32)
 
     }
 
diff --git a/src/arch/arm/v7/opdefs/add_A889.d b/src/arch/arm/v7/opdefs/add_A889.d
index 1f81776..3c9d432 100644
--- a/src/arch/arm/v7/opdefs/add_A889.d
+++ b/src/arch/arm/v7/opdefs/add_A889.d
@@ -101,7 +101,7 @@
 
         Rd = Register(Rd)
         SP = Register(13)
-        const = ZeroExtend((i:imm3:imm8, 12, 32)
+        const = ZeroExtend(i:imm3:imm8, 12, 32)
 
     }
 
diff --git a/src/arch/arm/v7/opdefs/b_A8818.d b/src/arch/arm/v7/opdefs/b_A8818.d
index f06367b..ab5971f 100644
--- a/src/arch/arm/v7/opdefs/b_A8818.d
+++ b/src/arch/arm/v7/opdefs/b_A8818.d
@@ -25,14 +25,14 @@
 
 @encoding(t1) {
 
-    @half 1 1 0 1 cond(4) top(1) imm8(7)
+    @half 1 1 0 1 cond(4) imm8(8)
 
     @syntax {c} <label>
 
     @conv {
 
         c = Condition(cond)
-        label = SignExtend(top:imm8:'0', top, 32)
+        label = SignExtend(imm8:'0', imm8 & 0x80, 32)
 
     }
 
@@ -56,13 +56,13 @@
 
 @encoding(t2) {
 
-    @half 1 1 1 0 0 top(1) imm11(10)
+    @half 1 1 1 0 0 imm11(11)
 
     @syntax <label>
 
     @conv {
 
-        label = SignExtend(top:imm11:'0', top, 32)
+        label = SignExtend(imm11:'0', imm11 & 0x400, 32)
 
     }
 
@@ -147,14 +147,14 @@
 
 @encoding(A1) {
 
-    @word cond(4) 1 0 1 0 top(1) imm24(23)
+    @word cond(4) 1 0 1 0 imm24(24)
 
     @syntax {c} <label>
 
     @conv {
 
         c = Condition(cond)
-        label = SignExtend(top:imm24:'00', top, 32)
+        label = SignExtend(imm24:'00', imm24 & 0x800000, 32)
 
     }
 
diff --git a/src/arch/arm/v7/opdefs/bl_A8825.d b/src/arch/arm/v7/opdefs/bl_A8825.d
index ce4870c..183ba36 100644
--- a/src/arch/arm/v7/opdefs/bl_A8825.d
+++ b/src/arch/arm/v7/opdefs/bl_A8825.d
@@ -91,7 +91,7 @@
 
     @conv {
 
-        imm32 = SignExtend(imm24:'00', 0, 32)
+        imm32 = SignExtend(imm24:'00', imm24 & 0x800000, 32)
 
     }
 
@@ -119,7 +119,7 @@
 
     @conv {
 
-        imm32 = SignExtend(imm24:H:'0', 0, 32)
+        imm32 = SignExtend(imm24:H:'0', imm24 & 0x800000, 32)
 
     }
 
diff --git a/src/arch/arm/v7/opdefs/sub_A88221.d b/src/arch/arm/v7/opdefs/sub_A88221.d
index 0ef0e11..ec6f241 100644
--- a/src/arch/arm/v7/opdefs/sub_A88221.d
+++ b/src/arch/arm/v7/opdefs/sub_A88221.d
@@ -101,7 +101,7 @@
 
         Rd = Register(Rd)
         Rn = Register(Rn)
-        const = ZeroExtend((i:imm3:imm8, 12, 32)
+        const = ZeroExtend(i:imm3:imm8, 12, 32)
 
     }
 
diff --git a/src/arch/arm/v7/opdefs/sub_A88225.d b/src/arch/arm/v7/opdefs/sub_A88225.d
index 9c29624..e37997f 100644
--- a/src/arch/arm/v7/opdefs/sub_A88225.d
+++ b/src/arch/arm/v7/opdefs/sub_A88225.d
@@ -79,7 +79,7 @@
 
         Rd = Register(Rd)
         SP = Register(13)
-        const = ZeroExtend((i:imm3:imm8, 12, 32)
+        const = ZeroExtend(i:imm3:imm8, 12, 32)
 
     }
 
diff --git a/tools/d2c/args.c b/tools/d2c/args.c
index 1a2c287..f933160 100644
--- a/tools/d2c/args.c
+++ b/tools/d2c/args.c
@@ -34,25 +34,13 @@
 
 
 
-/*
-#include <assert.h>
-#include <ctype.h>
-
-#include <regex.h>
-#include <stdbool.h>
-#include <sys/param.h>
-
-
-*/
-
-
-
-
 /* Types d'expressions représentés */
 typedef enum _ConvExprType
 {
     CET_NAME,                               /* Désignation de variable     */
     CET_NUMBER,                             /* Valeur codée en dur         */
+    CET_BINVAL,                             /* Valeur binaire bxxx         */
+    CET_HEXVAL,                             /* Valeur sous forme hexa.     */
     CET_COMPOSED,                           /* Agrégat de champs divers    */
     CET_UNARY,                              /* Opération unaire            */
     CET_BINARY,                             /* Opération binaire           */
@@ -83,6 +71,12 @@ struct _arg_expr_t
         /* CET_NUMBER */
         unsigned long number;               /* Valeur durablement définie  */
 
+        /* CET_BINVAL */
+        char *binval;                       /* Valeur sous forme bxxx      */
+
+        /* CET_HEXVAL */
+        char *hexval;                       /* Valeur sous forme 0xxxx     */
+
         /* CET_COMPOSED */
         struct
         {
@@ -199,6 +193,60 @@ arg_expr_t *build_arg_expr_from_number(unsigned long number)
 
 /******************************************************************************
 *                                                                             *
+*  Paramètres  : binval = valeur binaire à conserver dans sa forme brute.     *
+*                                                                             *
+*  Description : Conserve une valeur en tant qu'expression de conversion.     *
+*                                                                             *
+*  Retour      : Nouvelle expression mise en place.                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+arg_expr_t *build_arg_expr_from_binval(char *binval)
+{
+    arg_expr_t *result;                     /* Structure à retourner       */
+
+    result = (arg_expr_t *)calloc(1, sizeof(arg_expr_t));
+
+    result->type = CET_BINVAL;
+
+    result->binval = binval;
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : number = valeur hexadécimale à conserver dans sa forme brute.*
+*                                                                             *
+*  Description : Conserve une valeur en tant qu'expression de conversion.     *
+*                                                                             *
+*  Retour      : Nouvelle expression mise en place.                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+arg_expr_t *build_arg_expr_from_hexval(char *hexval)
+{
+    arg_expr_t *result;                     /* Structure à retourner       */
+
+    result = (arg_expr_t *)calloc(1, sizeof(arg_expr_t));
+
+    result->type = CET_HEXVAL;
+
+    result->hexval = hexval;
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
 *  Paramètres  : item1 = premier élément à agréger.                           *
 *                item2 = second élément à agréger.                            *
 *                                                                             *
@@ -338,6 +386,14 @@ void delete_arg_expr(arg_expr_t *expr)
             free(expr->name);
             break;
 
+        case CET_BINVAL:
+            free(expr->binval);
+            break;
+
+        case CET_HEXVAL:
+            free(expr->hexval);
+            break;
+
         case CET_COMPOSED:
             for (i = 0; i < expr->comp_count; i++)
                 free(expr->comp_items[i]);
@@ -856,6 +912,14 @@ bool define_arg_expr(const arg_expr_t *expr, int fd, const coding_bits *bits, co
             dprintf(fd, "%lu", expr->number);
             break;
 
+        case CET_BINVAL:
+            dprintf(fd, "b%s", expr->binval);
+            break;
+
+        case CET_HEXVAL:
+            dprintf(fd, "0x%s", expr->hexval);
+            break;
+
         case CET_COMPOSED:
 
             result = compute_arg_expr_size(expr, bits, list, &max_size);
diff --git a/tools/d2c/args.h b/tools/d2c/args.h
index d5855f4..b9f210b 100644
--- a/tools/d2c/args.h
+++ b/tools/d2c/args.h
@@ -67,6 +67,12 @@ arg_expr_t *build_arg_expr_from_name(char *);
 /* Conserve une valeur en tant qu'expression de conversion. */
 arg_expr_t *build_arg_expr_from_number(unsigned long );
 
+/* Conserve une valeur en tant qu'expression de conversion. */
+arg_expr_t *build_arg_expr_from_binval(char *);
+
+/* Conserve une valeur en tant qu'expression de conversion. */
+arg_expr_t *build_arg_expr_from_hexval(char *);
+
 /* Construit une base d'expression de conversion composée. */
 arg_expr_t *build_composed_arg_expr(char *, char *);
 
diff --git a/tools/d2c/d2c_gram.y b/tools/d2c/d2c_gram.y
index 5d83930..9827b05 100644
--- a/tools/d2c/d2c_gram.y
+++ b/tools/d2c/d2c_gram.y
@@ -241,10 +241,12 @@ arg_list : arg_expr                { $$ = build_arg_list($1); }
 
 arg_expr : NAME                                     { $$ = build_arg_expr_from_name($1); }
           | NUMBER                                  { $$ = build_arg_expr_from_number($1); }
+          | BINVAL                                  { $$ = build_arg_expr_from_binval($1); }
+          | HEXVAL                                  { $$ = build_arg_expr_from_hexval($1); }
           | arg_composed                            { $$ = $1; }
           | OP arg_expr CP                          { $$ = $2; }
           | arg_expr_un_op arg_expr                 { $$ = build_unary_arg_expr($2, $1); }
-          | OP arg_expr arg_expr_bin_op arg_expr CP { $$ = build_binary_arg_expr($2, $4, $3); }
+          | arg_expr arg_expr_bin_op arg_expr       { $$ = build_binary_arg_expr($1, $3, $2); }
 
 arg_expr_un_op : NOT { $$ = CUO_NOT; }
 
diff --git a/tools/d2c/d2c_tok.l b/tools/d2c/d2c_tok.l
index 08562ce..300508d 100644
--- a/tools/d2c/d2c_tok.l
+++ b/tools/d2c/d2c_tok.l
@@ -33,9 +33,9 @@ void free_flex_memory(void) ;
 
 %x syntax syntax_name syntax_int syntax_ext
 
-%x conv_begin conv_content conv_arg conv_arg_binval
+%x conv_begin conv_content
 
-%x arg arg_binval
+%x arg arg_binval arg_hexval
 
 %x hooks_begin hooks_content
 
@@ -130,12 +130,12 @@ void free_flex_memory(void) ;
                                       }
                                     }
 <conv_content>"="                   { return EQ; }
-<conv_content>"("                   { BEGIN(conv_arg); return OP; }
+<conv_content>"("                   { yy_push_state(arg); return OP; }
 
 
 
 
-<conv_arg>[A-Za-z_][A-Za-z0-9_]*    {
+<arg>[A-Za-z_][A-Za-z0-9_]*    {
                                       if (strcmp(yytext, "NOT") == 0) return NOT;
                                       else if (strcmp(yytext, "AND") == 0) return AND_LOG;
                                       else if (strcmp(yytext, "EOR") == 0) return EOR;
@@ -145,45 +145,21 @@ void free_flex_memory(void) ;
                                           return NAME;
                                       }
                                     }
-<conv_arg>[0-9][0-9]*               { d2c_lval.integer = atoi(yytext); return NUMBER; }
-<conv_arg>"'"                       { BEGIN(conv_arg_binval); }
-<conv_arg_binval>[01][01]*          { d2c_lval.string = strdup(yytext); return BINVAL; }
-<conv_arg_binval>"'"                { BEGIN(conv_arg); }
-<conv_arg>","                       { return COMMA; }
-<conv_arg>":"                       { return COLON; }
-<conv_arg>[ ]+                      { }
-<conv_arg>")"                       { BEGIN(conv_content); return CP; }
-
-
-
-
-
-
-
-
-
-<arg>[A-Za-z_][A-Za-z0-9_]*     {
-                                   if (strcmp(yytext, "NOT") == 0) return NOT;
-                                   else if (strcmp(yytext, "AND") == 0) return AND_LOG;
-                                   else if (strcmp(yytext, "EOR") == 0) return EOR;
-                                   else
-                                   {
-                                       d2c_lval.string = strdup(yytext);
-                                       return NAME;
-                                   }
-                               }
 <arg>[0-9][0-9]*               { d2c_lval.integer = atoi(yytext); return NUMBER; }
 <arg>"'"                       { BEGIN(arg_binval); }
 <arg_binval>[01][01]*          { d2c_lval.string = strdup(yytext); return BINVAL; }
 <arg_binval>"'"                { BEGIN(arg); }
+<arg>"0x"                      { BEGIN(arg_hexval); }
+<arg_hexval>[0-9a-f][0-9a-f]*  { d2c_lval.string = strdup(yytext); BEGIN(arg); return HEXVAL; }
 <arg>","                       { return COMMA; }
 <arg>":"                       { return COLON; }
+<arg>"&"                       { return AND_LOG; }
 <arg>[ ]+                      { }
+<arg>"("                       { yy_push_state(arg); return OP; }
 <arg>")"                       { yy_pop_state(); return CP; }
 
 
 
-
 <encoding_content>"@hooks"          { BEGIN(hooks_begin); return HOOKS; }
 <hooks_begin>[ ]+                   { }
 <hooks_begin>"{"                    { BEGIN(hooks_content); }
-- 
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