ocarina-backends-xtratum_conf-partition_table.adb 16.9 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--              OCARINA.BACKENDS.XTRATUM_CONF.PARTITION_TABLE               --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--            Copyright (C) 2011, European Space Agency (ESA).              --
--                                                                          --
-- Ocarina  is free software;  you  can  redistribute  it and/or  modify    --
-- it under terms of the GNU General Public License as published by the     --
-- Free Software Foundation; either version 2, or (at your option) any      --
-- later version. 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. See the GNU General --
-- Public License for more details. You should have received  a copy of the --
-- GNU General Public License distributed with Ocarina; see file COPYING.   --
-- If not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02111-1301, USA.                                       --
--                                                                          --
-- As a special exception,  if other files  instantiate  generics from this --
-- unit, or you link  this unit with other files  to produce an executable, --
-- this  unit  does not  by itself cause  the resulting  executable to be   --
-- covered  by the  GNU  General  Public  License. This exception does not  --
-- however invalidate  any other reasons why the executable file might be   --
-- covered by the GNU Public License.                                       --
--                                                                          --
--                 Ocarina is maintained by the Ocarina team                --
--                       (ocarina-users@listes.enst.fr)                     --
--                                                                          --
------------------------------------------------------------------------------

with Namet; use Namet;
35
with Utils; use Utils;
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
77
78

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);

79
80
   Current_System : Node_Id := No_Node;

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
111
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
140
141
142
   -----------
   -- 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
      Category : constant Component_Category
        := Get_Category_Of_Component (E);
   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;
143
144
      Base_Address_Value   : Unsigned_Long_Long;
      Byte_Count_Value     : Unsigned_Long_Long;
145
146
147
148
149
      Associated_Processor : Node_Id;
      Associated_Module    : Node_Id;
      Associated_Memory    : Node_Id;
      Physical_Areas_Node  : Node_Id;
      Temporal_Req_Node    : Node_Id;
150
151
      Port_Table_Node      : Node_Id;
      Port_Node            : Node_Id;
152
153
154
155
      Area_Node            : Node_Id;
      P                    : Node_Id;
      Q                    : Node_Id;
      S                    : Node_Id;
156
      F                    : Node_Id;
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
   begin
      Associated_Processor := Get_Bound_Processor (E);
      Associated_Memory := Get_Bound_Memory (E);
      Associated_Module :=
            Parent_Component
               (Parent_Subcomponent (Associated_Processor));

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

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

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

      if Associated_Module = No_Node then
         Display_Located_Error
            (AIN.Loc (E),
             "Unable to retrieve the module that executes this partition.",
             Fatal => True);
      end if;

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

      Partition_Node := Make_XML_Node ("Partition");

193
      Set_Str_To_Name_Buffer ("id");
194
195
196
197
198
199
200
201
202
      P := Make_Defining_Identifier (Name_Find);
      Q := Copy_Node (Backend_Node (Identifier (Associated_Processor)));
      Append_Node_To_List
         (Make_Assignement (P, Q), XTN.Items (Partition_Node));

      Set_Str_To_Name_Buffer ("name");
      P := Make_Defining_Identifier (Name_Find);
      Get_Name_String
         (Display_Name
203
            (Identifier (Parent_Subcomponent (E))));
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
      Q := Make_Defining_Identifier (Name_Find);
      Append_Node_To_List
         (Make_Assignement (P, Q), XTN.Items (Partition_Node));

      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
         (Make_Assignement (P, Q), XTN.Items (Partition_Node));

      --  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");

      Append_Node_To_List (Physical_Areas_Node,
                           XTN.Subitems (Partition_Node));

      Area_Node := Make_XML_Node ("Area");

225
226
227
228
      Base_Address_Value :=
         Get_Integer_Property (Associated_Memory, "base_address");
      Byte_Count_Value :=
         Get_Integer_Property (Associated_Memory, "byte_count");
229
230
      Set_Str_To_Name_Buffer ("start");
      P := Make_Defining_Identifier (Name_Find);
231
232
233
234
235
      Set_Str_To_Name_Buffer ("0x");
      Add_Str_To_Name_Buffer
         (Unsigned_Long_Long'Image (Base_Address_Value));

      Q := Make_Defining_Identifier (Remove_Char (Name_Find, ' '));
236
237
238
239
240
241

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

      Set_Str_To_Name_Buffer ("size");
      P := Make_Defining_Identifier (Name_Find);
242
243
244
245
      Set_Str_To_Name_Buffer
         (Unsigned_Long_Long'Image (Byte_Count_Value));
      Add_Str_To_Name_Buffer ("B");
      Q := Make_Defining_Identifier (Remove_Char (Name_Find, ' '));
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264

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

      Append_Node_To_List (Area_Node,
                           XTN.Subitems (Physical_Areas_Node));

      --  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
         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;
265
266
267
         Major_Frame       : constant Unsigned_Long_Long
                           := To_Milliseconds
                              (Get_POK_Major_Frame (Associated_Module));
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
         Part              : Node_Id;
      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);
283
284
285
286
         Set_Str_To_Name_Buffer
            (Unsigned_Long_Long'Image (Duration));
         Add_Str_To_Name_Buffer ("ms");
         Q := Make_Defining_Identifier (Remove_Char (Name_Find, ' '));
287
288
289
290
291
292

         Append_Node_To_List
            (Make_Assignement (P, Q), XTN.Items (Temporal_Req_Node));

         Set_Str_To_Name_Buffer ("period");
         P := Make_Defining_Identifier (Name_Find);
293
294
295
296
         Set_Str_To_Name_Buffer
            (Unsigned_Long_Long'Image (Major_Frame));
         Add_Str_To_Name_Buffer ("ms");
         Q := Make_Defining_Identifier (Remove_Char (Name_Find, ' '));
297
298
299
300
301
302
303
304
305

         Append_Node_To_List
            (Make_Assignement (P, Q), XTN.Items (Temporal_Req_Node));

      end;

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

306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
      --  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
                     (AIN.Loc (F),
                      "Pure events ports are not allowed.",
                      Fatal => True);
               end if;

               if Is_In (F) and then Is_Out (F) then
                  Display_Located_Error
                     (AIN.Loc (F),
                      "in/out ports are not allowed.",
                      Fatal => True);
               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)));
334
               Q := Make_Defining_Identifier (To_Lower (Name_Find));
335
336
337
338
339
340
341
342
343
               Append_Node_To_List
                  (Make_Assignement (P, Q), XTN.Items (Port_Node));

               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
344
                  Set_Str_To_Name_Buffer ("queuing");
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
               end if;

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

               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
                  (Make_Assignement (P, Q), XTN.Items (Port_Node));

               Append_Node_To_List
                  (Port_Node, XTN.Subitems (Port_Table_Node));
            end if;
            F := Next_Node (F);
         end loop;

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

373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
      Append_Node_To_List
         (Partition_Node, XTN.Subitems (Current_XML_Node));
   end Visit_Process_Instance;

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

   procedure Visit_System_Instance (E : Node_Id) is
      S                    : Node_Id;
      U                    : Node_Id;
      R                    : Node_Id;
   begin
      U := XTN.Unit (Backend_Node (Identifier (E)));
      R := XTN.Node (Backend_Node (Identifier (E)));

389
390
      Current_System := E;

391
392
393
394
395
396
397
398
399
400
      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
         --  Visit the component instance corresponding to the
         --  subcomponent S.
401
402
403
            if AINU.Is_Processor (Corresponding_Instance (S)) then
               Visit (Corresponding_Instance (S));
            end if;
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
            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");

424
425
426
      Append_Node_To_List (Partition_Table_Node,
                           XTN.Subitems (Current_XML_Node));

427
428
429
430
431
432
433
434
435
436
437
438
      Current_XML_Node := Partition_Table_Node;

      if not AINU.Is_Empty (Subcomponents (E)) then
         S := First_Node (Subcomponents (E));
         while Present (S) loop
         --  Visit the component instance corresponding to the
         --  subcomponent S.

            Visit (Corresponding_Instance (S));
            S := Next_Node (S);
         end loop;
      end if;
439

440
441
442
443
444
445
446
447
448
   end Visit_Processor_Instance;

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

   procedure Visit_Virtual_Processor_Instance (E : Node_Id) is
      S           : Node_Id;
   begin
449
450
451
452
453
454
455
456
457
458
459
460
461
      if not AINU.Is_Empty (Subcomponents (Current_System)) then
         S := First_Node (Subcomponents (Current_System));
         while Present (S) loop
         --  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
               Visit (Corresponding_Instance (S));
            end if;
            S := Next_Node (S);
         end loop;
      end if;

462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
      if not AINU.Is_Empty (Subcomponents (E)) then
         S := First_Node (Subcomponents (E));
         while Present (S) loop
         --  Visit the component instance corresponding to the
         --  subcomponent S.

            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;