ocarina-backends-xtratum_conf-partition_table.adb 16.6 KB
Newer Older
1
2
3
4
5
6
7
8
------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--              OCARINA.BACKENDS.XTRATUM_CONF.PARTITION_TABLE               --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
--                   Copyright (C) 2011-2015 ESA & ISAE.                    --
--                                                                          --
-- Ocarina  is free software; you can redistribute it and/or modify under   --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion. Ocarina 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.                     --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
26
--                                                                          --
jhugues's avatar
jhugues committed
27
28
--                 Ocarina is maintained by the TASTE project               --
--                      (taste-users@lists.tuxfamily.org)                   --
29
30
31
--                                                                          --
------------------------------------------------------------------------------

32
with Ocarina.Namet; use Ocarina.Namet;
33
with Utils; use Utils;
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

with Ocarina.ME_AADL;
with Ocarina.ME_AADL.AADL_Tree.Nodes;
with Ocarina.ME_AADL.AADL_Tree.Entities;
with Ocarina.ME_AADL.AADL_Instances.Nodes;
with Ocarina.ME_AADL.AADL_Instances.Nutils;
with Ocarina.ME_AADL.AADL_Instances.Entities;

with Ocarina.Backends.Utils;
with Ocarina.Instances.Queries;

with Ocarina.Backends.Messages;
with Ocarina.Backends.Properties;
with Ocarina.Backends.XML_Tree.Nodes;
with Ocarina.Backends.XML_Tree.Nutils;

package body Ocarina.Backends.Xtratum_Conf.Partition_Table is

   use Ocarina.ME_AADL;
   use Ocarina.ME_AADL.AADL_Instances.Nodes;
   use Ocarina.ME_AADL.AADL_Instances.Entities;

   use Ocarina.Instances.Queries;

   use Ocarina.Backends.Utils;
   use Ocarina.Backends.Messages;
   use Ocarina.Backends.Properties;
   use Ocarina.Backends.XML_Tree.Nutils;

   package ATN renames Ocarina.ME_AADL.AADL_Tree.Nodes;
   package ATE renames Ocarina.ME_AADL.AADL_Tree.Entities;
   package AIN renames Ocarina.ME_AADL.AADL_Instances.Nodes;
   package AINU renames Ocarina.ME_AADL.AADL_Instances.Nutils;
   package XTN renames Ocarina.Backends.XML_Tree.Nodes;

   procedure Visit_Architecture_Instance (E : Node_Id);
   procedure Visit_Component_Instance (E : Node_Id);
   procedure Visit_System_Instance (E : Node_Id);
   procedure Visit_Process_Instance (E : Node_Id);
   procedure Visit_Memory_Instance (E : Node_Id);
   procedure Visit_Processor_Instance (E : Node_Id);
   procedure Visit_Virtual_Processor_Instance (E : Node_Id);

77
78
   Current_System : Node_Id := No_Node;

79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
   -----------
   -- Visit --
   -----------

   procedure Visit (E : Node_Id) is
   begin
      case Kind (E) is
         when K_Architecture_Instance =>
            Visit_Architecture_Instance (E);

         when K_Component_Instance =>
            Visit_Component_Instance (E);

         when others =>
            null;
      end case;
   end Visit;

   ---------------------------------
   -- Visit_Architecture_Instance --
   ---------------------------------

   procedure Visit_Architecture_Instance (E : Node_Id) is
   begin
      Visit (Root_System (E));
   end Visit_Architecture_Instance;

   ------------------------------
   -- Visit_Component_Instance --
   ------------------------------

   procedure Visit_Component_Instance (E : Node_Id) is
111
      Category : constant Component_Category := Get_Category_Of_Component (E);
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
   begin
      case Category is
         when CC_System =>
            Visit_System_Instance (E);

         when CC_Process =>
            Visit_Process_Instance (E);

         when CC_Processor =>
            Visit_Processor_Instance (E);

         when CC_Memory =>
            Visit_Memory_Instance (E);

         when CC_Virtual_Processor =>
            Visit_Virtual_Processor_Instance (E);

         when others =>
            null;
      end case;
   end Visit_Component_Instance;

   ----------------------------
   -- Visit_Process_Instance --
   ----------------------------

   procedure Visit_Process_Instance (E : Node_Id) is
      Partition_Node       : Node_Id;
140
141
      Base_Address_Value   : Unsigned_Long_Long;
      Byte_Count_Value     : Unsigned_Long_Long;
142
143
144
145
146
      Associated_Processor : Node_Id;
      Associated_Module    : Node_Id;
      Associated_Memory    : Node_Id;
      Physical_Areas_Node  : Node_Id;
      Temporal_Req_Node    : Node_Id;
147
148
      Port_Table_Node      : Node_Id;
      Port_Node            : Node_Id;
149
150
151
152
      Area_Node            : Node_Id;
      P                    : Node_Id;
      Q                    : Node_Id;
      S                    : Node_Id;
153
      F                    : Node_Id;
154
155
   begin
      Associated_Processor := Get_Bound_Processor (E);
156
157
158
      Associated_Memory    := Get_Bound_Memory (E);
      Associated_Module    :=
        Parent_Component (Parent_Subcomponent (Associated_Processor));
159
160
161
162
163
164

      --  Some checks on the model in order to make sure that
      --  everything is correctly defined.

      if Associated_Processor = No_Node then
         Display_Located_Error
165
166
167
           (AIN.Loc (E),
            "A partition has to be associated with one virtual processor.",
            Fatal => True);
168
169
170
171
      end if;

      if Associated_Memory = No_Node then
         Display_Located_Error
172
173
174
           (AIN.Loc (E),
            "A partition has to be associated with one memory.",
            Fatal => True);
175
176
177
178
      end if;

      if Associated_Module = No_Node then
         Display_Located_Error
179
180
181
           (AIN.Loc (E),
            "Unable to retrieve the module that executes this partition.",
            Fatal => True);
182
183
184
185
186
187
188
      end if;

      --  Create the main partition node that defines all partition
      --  requirements.

      Partition_Node := Make_XML_Node ("Partition");

189
      Set_Str_To_Name_Buffer ("id");
190
191
192
      P := Make_Defining_Identifier (Name_Find);
      Q := Copy_Node (Backend_Node (Identifier (Associated_Processor)));
      Append_Node_To_List
193
194
        (Make_Assignement (P, Q),
         XTN.Items (Partition_Node));
195
196
197
198

      Set_Str_To_Name_Buffer ("name");
      P := Make_Defining_Identifier (Name_Find);
      Get_Name_String
199
        (To_Lower (Display_Name (Identifier (Parent_Subcomponent (E)))));
200
201
      Q := Make_Defining_Identifier (Name_Find);
      Append_Node_To_List
202
203
        (Make_Assignement (P, Q),
         XTN.Items (Partition_Node));
204
205
206
207
208
209

      Set_Str_To_Name_Buffer ("console");
      P := Make_Defining_Identifier (Name_Find);
      Set_Str_To_Name_Buffer ("Uart");
      Q := Make_Defining_Identifier (Name_Find);
      Append_Node_To_List
210
211
        (Make_Assignement (P, Q),
         XTN.Items (Partition_Node));
212
213
214
215
216
217

      --  Create the PhysicalAreasNode associated with the partition.
      --  It maps the requirements of the memory component associated
      --  with the partition.
      Physical_Areas_Node := Make_XML_Node ("PhysicalMemoryAreas");

218
      Append_Node_To_List (Physical_Areas_Node, XTN.Subitems (Partition_Node));
219
220
221

      Area_Node := Make_XML_Node ("Area");

222
      Base_Address_Value :=
223
        Get_Integer_Property (Associated_Memory, "base_address");
224
      Byte_Count_Value :=
225
        Get_Integer_Property (Associated_Memory, "byte_count");
226
227
      Set_Str_To_Name_Buffer ("start");
      P := Make_Defining_Identifier (Name_Find);
228
      Set_Str_To_Name_Buffer ("0x");
229
      Add_Str_To_Name_Buffer (Unsigned_Long_Long'Image (Base_Address_Value));
230
231

      Q := Make_Defining_Identifier (Remove_Char (Name_Find, ' '));
232

233
      Append_Node_To_List (Make_Assignement (P, Q), XTN.Items (Area_Node));
234
235

      Set_Str_To_Name_Buffer ("size");
236
      P                := Make_Defining_Identifier (Name_Find);
237
      Byte_Count_Value := Byte_Count_Value / 1024;
238
      Set_Str_To_Name_Buffer (Unsigned_Long_Long'Image (Byte_Count_Value));
239
      Add_Str_To_Name_Buffer ("KB");
240
      Q := Make_Defining_Identifier (Remove_Char (Name_Find, ' '));
241

242
      Append_Node_To_List (Make_Assignement (P, Q), XTN.Items (Area_Node));
243

244
      Append_Node_To_List (Area_Node, XTN.Subitems (Physical_Areas_Node));
245
246
247
248
249
250
251
252

      --  Create the TemporalRequirements node associated with the partition.
      --  It maps the requirements of the virtual processor component
      --  associated with the partition.

      Temporal_Req_Node := Make_XML_Node ("TemporalRequirements");

      declare
253
254
255
256
257
258
259
         Slots : constant Time_Array := Get_POK_Slots (Associated_Module);
         Slots_Allocation : constant List_Id    :=
           Get_POK_Slots_Allocation (Associated_Module);
         Duration    : Unsigned_Long_Long          := 0;
         Major_Frame : constant Unsigned_Long_Long :=
           To_Milliseconds (Get_POK_Major_Frame (Associated_Module));
         Part : Node_Id;
260
261
262
263
264
265
266
267
268
269
270
271
272
273
      begin
         S := ATN.First_Node (Slots_Allocation);
         for I in Slots'Range loop

            Part := ATE.Get_Referenced_Entity (S);

            if Part = Associated_Processor then
               Duration := Duration + To_Milliseconds (Slots (I));
            end if;

            S := ATN.Next_Node (S);
         end loop;
         Set_Str_To_Name_Buffer ("duration");
         P := Make_Defining_Identifier (Name_Find);
274
         Set_Str_To_Name_Buffer (Unsigned_Long_Long'Image (Duration));
275
276
         Add_Str_To_Name_Buffer ("ms");
         Q := Make_Defining_Identifier (Remove_Char (Name_Find, ' '));
277
278

         Append_Node_To_List
279
280
           (Make_Assignement (P, Q),
            XTN.Items (Temporal_Req_Node));
281
282
283

         Set_Str_To_Name_Buffer ("period");
         P := Make_Defining_Identifier (Name_Find);
284
         Set_Str_To_Name_Buffer (Unsigned_Long_Long'Image (Major_Frame));
285
286
         Add_Str_To_Name_Buffer ("ms");
         Q := Make_Defining_Identifier (Remove_Char (Name_Find, ' '));
287
288

         Append_Node_To_List
289
290
           (Make_Assignement (P, Q),
            XTN.Items (Temporal_Req_Node));
291
292
293

      end;

294
      Append_Node_To_List (Temporal_Req_Node, XTN.Subitems (Partition_Node));
295

296
297
298
299
300
301
302
303
304
305
      --  Now, handle the ports of the partition.
      if Has_Ports (E) then
         Port_Table_Node := Make_XML_Node ("PortTable");

         F := First_Node (Features (E));
         while Present (F) loop
            if Kind (F) = K_Port_Spec_Instance then

               if not Is_Data (F) then
                  Display_Located_Error
306
307
308
                    (AIN.Loc (F),
                     "Pure events ports are not allowed.",
                     Fatal => True);
309
310
311
312
               end if;

               if Is_In (F) and then Is_Out (F) then
                  Display_Located_Error
313
314
315
                    (AIN.Loc (F),
                     "in/out ports are not allowed.",
                     Fatal => True);
316
317
318
319
320
321
322
323
               end if;

               Port_Node := Make_XML_Node ("Port");

               Set_Str_To_Name_Buffer ("name");
               P := Make_Defining_Identifier (Name_Find);

               Get_Name_String (Display_Name (Identifier (F)));
324
               Q := Make_Defining_Identifier (To_Lower (Name_Find));
325
               Append_Node_To_List
326
327
                 (Make_Assignement (P, Q),
                  XTN.Items (Port_Node));
328
329
330
331
332
333
334

               Set_Str_To_Name_Buffer ("type");
               P := Make_Defining_Identifier (Name_Find);

               if Is_Data (F) and then not Is_Event (F) then
                  Set_Str_To_Name_Buffer ("sampling");
               else
335
                  Set_Str_To_Name_Buffer ("queuing");
336
337
338
339
               end if;

               Q := Make_Defining_Identifier (Name_Find);
               Append_Node_To_List
340
341
                 (Make_Assignement (P, Q),
                  XTN.Items (Port_Node));
342
343
344
345
346
347
348
349
350
351
352
353

               Set_Str_To_Name_Buffer ("direction");
               P := Make_Defining_Identifier (Name_Find);

               if Is_In (F) then
                  Set_Str_To_Name_Buffer ("destination");
               else
                  Set_Str_To_Name_Buffer ("source");
               end if;

               Q := Make_Defining_Identifier (Name_Find);
               Append_Node_To_List
354
355
                 (Make_Assignement (P, Q),
                  XTN.Items (Port_Node));
356

357
               Append_Node_To_List (Port_Node, XTN.Subitems (Port_Table_Node));
358
359
360
361
362
363
364
            end if;
            F := Next_Node (F);
         end loop;

         Append_Node_To_List (Port_Table_Node, XTN.Subitems (Partition_Node));
      end if;

365
      Append_Node_To_List (Partition_Node, XTN.Subitems (Current_XML_Node));
366
367
368
369
370
371
372
   end Visit_Process_Instance;

   ---------------------------
   -- Visit_System_Instance --
   ---------------------------

   procedure Visit_System_Instance (E : Node_Id) is
373
374
375
      S : Node_Id;
      U : Node_Id;
      R : Node_Id;
376
377
378
379
   begin
      U := XTN.Unit (Backend_Node (Identifier (E)));
      R := XTN.Node (Backend_Node (Identifier (E)));

380
381
      Current_System := E;

382
383
384
385
386
387
388
389
      Current_XML_Node := XTN.Root_Node (XTN.XML_File (U));

      Push_Entity (U);
      Push_Entity (R);

      if not AINU.Is_Empty (Subcomponents (E)) then
         S := First_Node (Subcomponents (E));
         while Present (S) loop
390
391
            --  Visit the component instance corresponding to the
            --  subcomponent S.
392
393
394
            if AINU.Is_Processor (Corresponding_Instance (S)) then
               Visit (Corresponding_Instance (S));
            end if;
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
            S := Next_Node (S);
         end loop;
      end if;

      Pop_Entity;
      Pop_Entity;
   end Visit_System_Instance;

   ------------------------------
   -- Visit_Processor_Instance --
   ------------------------------

   procedure Visit_Processor_Instance (E : Node_Id) is
      S                    : Node_Id;
      Partition_Table_Node : Node_Id;
   begin
      --  Create the main PartitionTable node.

      Partition_Table_Node := Make_XML_Node ("PartitionTable");

415
416
417
      Append_Node_To_List
        (Partition_Table_Node,
         XTN.Subitems (Current_XML_Node));
418

419
420
421
422
423
      Current_XML_Node := Partition_Table_Node;

      if not AINU.Is_Empty (Subcomponents (E)) then
         S := First_Node (Subcomponents (E));
         while Present (S) loop
424
425
            --  Visit the component instance corresponding to the
            --  subcomponent S.
426
427
428
429
430

            Visit (Corresponding_Instance (S));
            S := Next_Node (S);
         end loop;
      end if;
431

432
433
434
435
436
437
438
   end Visit_Processor_Instance;

   --------------------------------------
   -- Visit_Virtual_Processor_Instance --
   --------------------------------------

   procedure Visit_Virtual_Processor_Instance (E : Node_Id) is
439
      S : Node_Id;
440
   begin
441
442
443
      if not AINU.Is_Empty (Subcomponents (Current_System)) then
         S := First_Node (Subcomponents (Current_System));
         while Present (S) loop
444
445
446
447
448
            --  Visit the component instance corresponding to the
            --  subcomponent S.
            if AINU.Is_Process (Corresponding_Instance (S))
              and then Get_Bound_Processor (Corresponding_Instance (S)) = E
            then
449
450
451
452
453
454
               Visit (Corresponding_Instance (S));
            end if;
            S := Next_Node (S);
         end loop;
      end if;

455
456
457
      if not AINU.Is_Empty (Subcomponents (E)) then
         S := First_Node (Subcomponents (E));
         while Present (S) loop
458
459
            --  Visit the component instance corresponding to the
            --  subcomponent S.
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477

            Visit (Corresponding_Instance (S));
            S := Next_Node (S);
         end loop;
      end if;
   end Visit_Virtual_Processor_Instance;

   ---------------------------
   -- Visit_Memory_Instance --
   ---------------------------

   procedure Visit_Memory_Instance (E : Node_Id) is
      pragma Unreferenced (E);
   begin
      null;
   end Visit_Memory_Instance;

end Ocarina.Backends.Xtratum_Conf.Partition_Table;