ocarina-backends-pok_c-deployment.adb 128 KB
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------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--    O C A R I N A . B A C K E N D S . P O K _ C . D E P L O Y M E N T     --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
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--    Copyright (C) 2008-2009 Telecom ParisTech, 2010-2014 ESA & ISAE.      --
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--                                                                          --
-- 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.                                       --
--                                                                          --
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--                 Ocarina is maintained by the TASTE project               --
--                      (taste-users@lists.tuxfamily.org)                   --
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--                                                                          --
------------------------------------------------------------------------------

with Namet;
with Utils; use Utils;
with Locations;

with Ocarina.Backends.Properties;
with Ocarina.Backends.Messages;
with Ocarina.Backends.Utils;
with Ocarina.Backends.C_Tree.Nutils;
with Ocarina.Backends.C_Tree.Nodes;
with Ocarina.Backends.C_Values;
with Ocarina.Backends.POK_C.Runtime;
with Ocarina.Backends.C_Common.Mapping;

with Ocarina.Instances.Queries;

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

package body Ocarina.Backends.POK_C.Deployment is

   use Namet;
   use Locations;
   use Ocarina.Backends.Properties;
   use Ocarina.Backends.Messages;
   use Ocarina.Backends.Utils;
   use Ocarina.Backends.C_Tree.Nutils;
   use Ocarina.Backends.POK_C.Runtime;
   use Ocarina.Backends.C_Common.Mapping;
   use Ocarina.Instances.Queries;
   use Ocarina.ME_AADL;
   use Ocarina.ME_AADL.AADL_Instances.Nodes;
   use Ocarina.ME_AADL.AADL_Instances.Entities;

   package ATE renames Ocarina.ME_AADL.AADL_Tree.Entities;
   package ATN renames Ocarina.ME_AADL.AADL_Tree.Nodes;
   package ATNU renames Ocarina.ME_AADL.AADL_Tree.Nutils;
   package AIE renames Ocarina.ME_AADL.AADL_Instances.Entities;
   package AIN renames Ocarina.ME_AADL.AADL_Instances.Nodes;
   package AIEP renames Ocarina.ME_AADL.AADL_Instances.Entities.Properties;
   package AINU renames Ocarina.ME_AADL.AADL_Instances.Nutils;
   package CTU renames Ocarina.Backends.C_Tree.Nutils;
   package CTN renames Ocarina.Backends.C_Tree.Nodes;
   package CV  renames Ocarina.Backends.C_Values;

   Array_Global_Ports_Nodes            : Node_Id;
   Array_Local_Ports_To_Global_Ports   : Node_Id;
   Array_Global_Ports_To_Local_Ports   : Node_Id;
   Array_Global_Ports_Bus              : Node_Id;
   Array_Buses_Partitions              : Node_Id;
   All_Ports                           : List_Id;
   Used_Buses                          : List_Id;
   Node_Identifier                     : Unsigned_Long_Long := 0;
   Current_Device                      : Node_Id := No_Node;

   --------------------
   -- Is_Bus_Handled --
   --------------------

   function Is_Bus_Handled (Bus : Node_Id) return Boolean is
      S : Node_Id;
   begin
      if not AINU.Is_Empty (Used_Buses) then
         S := AIN.First_Node (Used_Buses);
         while Present (S) loop
            if (Item (S) = Bus) then
               return True;
            end if;
            S := AIN.Next_Node (S);
         end loop;

      end if;

      return False;
   end Is_Bus_Handled;

   ------------------------------
   -- Handle_Buses_Connections --
   ------------------------------

   procedure Handle_Buses_Connections (Port : Node_Id) is
      L : List_Id;
      S : Node_Id;
      Connection : Node_Id;

      procedure Handle_Bus (My_Bus : Node_Id) is
         Bus : Node_Id;
      begin
         Bus := My_Bus;

         if AINU.Is_Bus (Bus)
            and then not Is_Bus_Handled (Bus) then
            AINU.Append_Node_To_List
               (AINU.Make_Node_Container (Bus), Used_Buses);
         elsif AINU.Is_Virtual_Bus (Bus) then

            Bus := Parent_Component (Parent_Subcomponent (Bus));
            if AINU.Is_Bus (Bus)
               and then not Is_Bus_Handled (Bus) then
               AINU.Append_Node_To_List
                  (AINU.Make_Node_Container (Bus), Used_Buses);
            end if;
         end if;
      end Handle_Bus;
   begin
      if AIN.Is_In (Port) then
         L := Sources (Port);
         if not AINU.Is_Empty (L) then
            S := AIN.First_Node (L);
            while Present (S) loop
               Connection := Extra_Item (S);

               if Present (Connection) and then
                  Get_Bound_Bus (Connection, False) /= No_Node then
                  Handle_Bus (Get_Bound_Bus (Connection, False));
               end if;

               S := AIN.Next_Node (S);
            end loop;
         end if;
      elsif AIN.Is_Out (Port) then
         L := Destinations (Port);
         if not AINU.Is_Empty (L) then
            S := AIN.First_Node (L);
            while Present (S) loop
               Connection := Extra_Item (S);

               if Present (Connection) and then
               Get_Bound_Bus (Connection, False) /= No_Node then
                  Handle_Bus (Get_Bound_Bus (Connection, False));
               end if;

               S := AIN.Next_Node (S);
            end loop;
         end if;
      end if;
   end Handle_Buses_Connections;

   -------------
   -- Get_Bus --
   -------------

   function Get_Bus (Port : Node_Id) return Node_Id is
      L          : List_Id;
      S          : Node_Id;
      Bus        : Node_Id;
      Connection : Node_Id;
   begin
      if AIN.Is_In (Port) then
         L := Sources (Port);
         if not AINU.Is_Empty (L) then
            S := AIN.First_Node (L);
            while Present (S) loop
               Connection := Extra_Item (S);

               if Present (Connection) and then
                  Get_Bound_Bus (Connection, False) /= No_Node then
                  Bus := Get_Bound_Bus (Connection, False);

                  if AINU.Is_Bus (Bus) then
                     return Bus;
                  elsif AINU.Is_Virtual_Bus (Bus) then
                     Bus := Parent_Component (Parent_Subcomponent (Bus));
                     if AINU.Is_Bus (Bus) then
                        return Bus;
                     end if;
                  end if;
               end if;

               S := AIN.Next_Node (S);
            end loop;
         end if;
      elsif AIN.Is_Out (Port) then
         L := Destinations (Port);
         if not AINU.Is_Empty (L) then
            S := AIN.First_Node (L);
            while Present (S) loop
               Connection := Extra_Item (S);

               if Present (Connection) and then
                  Get_Bound_Bus (Connection, False) /= No_Node then
                  Bus := Get_Bound_Bus (Connection, False);

                  if AINU.Is_Bus (Bus) then
                     return Bus;
                  elsif AINU.Is_Virtual_Bus (Bus) then
                     Bus := Parent_Component (Parent_Subcomponent (Bus));
                     if AINU.Is_Bus (Bus) then
                        return Bus;
                     end if;
                  end if;
               end if;

               S := AIN.Next_Node (S);
            end loop;
         end if;
      end if;

      return No_Node;

   end Get_Bus;

   -----------------
   -- Header_File --
   -----------------

   package body Header_File is

      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;
         Real_Process : Boolean := True;
         Associated_Component : Node_Id := No_Node);
      procedure Visit_Device_Instance (E : Node_Id);
      procedure Visit_Processor_Instance (E : Node_Id);
      procedure Visit_Virtual_Processor_Instance (E : Node_Id);
      procedure Visit_Thread_Instance (E : Node_Id);

      System_Nb_Partitions          : Unsigned_Long_Long := 0;
      System_Nb_Threads             : Unsigned_Long_Long := 0;
      Process_Nb_Threads            : Unsigned_Long_Long := 0;
      Process_Nb_Buffers            : Unsigned_Long_Long := 0;
      Process_Nb_Events             : Unsigned_Long_Long := 0;
      Process_Nb_Lock_Objects       : Unsigned_Long_Long := 0;
      System_Nb_Lock_Objects        : Unsigned_Long_Long := 0;
      Process_Nb_Blackboards        : Unsigned_Long_Long := 0;
      System_Nb_Ports               : Unsigned_Long_Long := 0;
      System_Stacks_Size            : Unsigned_Long_Long := 0;
      Partition_Stacks_Size         : Unsigned_Long_Long := 0;

      Kernel_Unit                   : Node_Id;

      Global_Nb_Ports_Node          : Node_Id;
      Kernel_Needs_Sched_Rms        : Boolean;
      Kernel_Needs_Sched_Llf        : Boolean;
      Kernel_Needs_Sched_Edf        : Boolean;
      Kernel_Needs_Sched_Rr         : Boolean;

      System_Partitions_Ports       : Node_Id;
      --  This is an array that contain all the partitions
      --  identifier for each port.
      --  Consequently, we have an array like that:
      --  pok_ports_partitions_id[POK_NB_PORTS] = {....}

      System_Partitions_Size        : Node_Id;
      --  This array represents the size of each partition. We
      --  have an array like:
      --  POK_PARTTIONS_SIZE {xxx,xxx}

      System_Partitions_Scheduler   : Node_Id;
      System_Partitions_Nb_Threads  : Node_Id;
      System_Partitions_Nb_Lock_Objects : Node_Id;
      Major_Frame                   : Node_Id;
      System_Slots                  : Node_Id;
      System_Slots_Allocation       : Node_Id;
      System_Nb_Slots               : Unsigned_Long_Long := 0;
      Local_Port_List               : List_Id;
      Global_Port_List              : List_Id;
      Node_List                     : List_Id;
      Local_Port_Identifier         : Unsigned_Long_Long := 0;
      Global_Port_Identifier        : Unsigned_Long_Long := 0;
      System_Use_Queueing_Ports     : Boolean;
      System_Use_Sampling_Ports     : Boolean;
      System_Use_Virtual_Ports      : Boolean;
      System_Partition_Identifier   : Unsigned_Long_Long := 0;
      Partition_Use_Error_Handling  : Boolean := False;
      Kernel_Use_Error_Handling     : Boolean := False;
      Kernel_Use_Pci                : Boolean := False;
      Kernel_Use_Io                 : Boolean := False;
      Kernel_Use_Gettick            : Boolean := False;

      -----------
      -- 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
         All_Ports := AINU.New_List (AIN.K_List_Id, No_Location);
         Global_Port_List
                  := New_List (CTN.K_Enumeration_Literals);
         Node_List := New_List (CTN.K_Enumeration_Literals);

         Array_Global_Ports_Nodes := CTU.Make_Array_Values;

         Global_Nb_Ports_Node := Make_Literal (CV.New_Int_Value (0, 1, 10));

         Visit (Root_System (E));
      end Visit_Architecture_Instance;

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

      procedure Visit_Component_Instance (E : Node_Id) is
         Category : constant Component_Category
             := AIE.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_Device =>
               Visit_Device_Instance (E);

            when CC_Virtual_Processor =>
               Visit_Virtual_Processor_Instance (E);

            when CC_Thread =>
               Visit_Thread_Instance (E);

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

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

      procedure Visit_Virtual_Processor_Instance (E : Node_Id) is
         N : Node_Id;
         S : Node_Id;
         U : Node_Id;
         Processes : List_Id;
      begin
         if POK_Flavor = ARINC653 then
            CTU.Append_Node_To_List
               (RE (RE_Pok_Sched_Rr),
               CTN.Values (System_Partitions_Scheduler));
            Kernel_Needs_Sched_Rr := True;
         else
            if Get_POK_Scheduler (E) = RR then
               Kernel_Needs_Sched_Rr := True;
               CTU.Append_Node_To_List
                  (RE (RE_Pok_Sched_Rr),
                  CTN.Values (System_Partitions_Scheduler));
            elsif Get_POK_Scheduler (E) = RMS then
               Kernel_Needs_Sched_Rms := True;
               CTU.Append_Node_To_List
                  (RE (RE_Pok_Sched_Rms),
                  CTN.Values (System_Partitions_Scheduler));
            elsif Get_POK_Scheduler (E) = EDF then
               Kernel_Needs_Sched_Edf := True;
               CTU.Append_Node_To_List
                  (RE (RE_Pok_Sched_Edf),
                  CTN.Values (System_Partitions_Scheduler));
            elsif Get_POK_Scheduler (E) = LLF then
               Kernel_Needs_Sched_Llf := True;
               CTU.Append_Node_To_List
                  (RE (RE_Pok_Sched_Llf),
                  CTN.Values (System_Partitions_Scheduler));
            else
               Display_Error
                  ("POK does not support a such scheduler in partitions",
                  Fatal => True);
            end if;
         end if;

         N := CTU.Make_Literal
            (CV.New_Int_Value (System_Partition_Identifier, 1, 10));
         Set_Handling (E, By_Node, H_C_Deployment_Spec, N);

         N := CTU.Make_Literal
            (CV.New_Int_Value (System_Partition_Identifier, 1, 10));

         CTN.Set_Deployment_Node (Backend_Node (Identifier (E)), N);

         if Present (Backend_Node (Identifier (E))) then
            Processes := CTN.Processes (Backend_Node (Identifier (E)));
            S := AIN.First_Node (Processes);
            while Present (S) loop
               U := Current_Entity;
               Pop_Entity;
               Visit (AIN.Item (S));
               Push_Entity (U);
               S := AIN.Next_Node (S);
            end loop;
         end if;

         System_Partition_Identifier := System_Partition_Identifier + 1;
      end Visit_Virtual_Processor_Instance;

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

      procedure Visit_Processor_Instance (E : Node_Id) is
         N : Node_Id;
         S : Node_Id;
         K : Node_Id;
         L : List_Id;
         U : Node_Id;
         P : Node_Id;
         A : Node_Id;
      begin
         U := CTN.Naming_Node (Backend_Node (Identifier (E)));
         A := CTN.Deployment_Node (Backend_Node (Identifier (E)));
         P := CTN.Entity (U);

         Push_Entity (C_Root);
         Push_Entity (A);

         Kernel_Unit := U;

         Start_Recording_Handlings;

         Used_Buses := AINU.New_List (AIN.K_List_Id, No_Location);

         System_Partition_Identifier   := 0;
         System_Stacks_Size            := 0;
         System_Nb_Threads             := 0;
         System_Nb_Partitions          := 0;
         System_Nb_Slots               := 0;
         System_Nb_Ports               := 0;
         System_Nb_Lock_Objects        := 0;
         Kernel_Use_Pci                := False;
         Kernel_Use_Io                 := False;
         Kernel_Use_Gettick            := False;

         Kernel_Needs_Sched_Rms        := False;
         Kernel_Needs_Sched_Edf        := False;
         Kernel_Needs_Sched_Llf        := False;
         Kernel_Needs_Sched_Rr         := False;

         Local_Port_List         := New_List (CTN.K_Enumeration_Literals);
         Local_Port_Identifier   := 0;

         System_Partitions_Ports             := CTU.Make_Array_Values;
         System_Partitions_Size              := CTU.Make_Array_Values;
         System_Partitions_Scheduler         := CTU.Make_Array_Values;
         System_Partitions_Nb_Threads        := CTU.Make_Array_Values;
         System_Partitions_Nb_Lock_Objects   := CTU.Make_Array_Values;
         System_Slots                        := CTU.Make_Array_Values;
         System_Slots_Allocation             := CTU.Make_Array_Values;
         System_Use_Queueing_Ports           := False;
         System_Use_Virtual_Ports            := False;
         System_Use_Sampling_Ports           := False;
         Major_Frame                         := No_Node;
         Kernel_Use_Error_Handling           := False;

         Pop_Entity;
         Push_Entity (P);
         Push_Entity (U);

         CTU.Set_Deployment_Header;

         if not AINU.Is_Empty (Subcomponents (E)) then
            S := First_Node (Subcomponents (E));
            while Present (S) loop
               Visit (Corresponding_Instance (S));
               S := Next_Node (S);
            end loop;
         end if;

         Runtime.Kernel_Mode;

         N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Config_Local_Node),
               Value => CTU.Make_Literal
                  (CV.New_Int_Value (Node_Identifier, 1, 10)));

         CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

         --  Add the Local node identifier in the
         --  kernel/deployment.h file.

         N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Generated_Code),
               Value => CTU.Make_Literal
                  (CV.New_Int_Value (1, 1, 10)));

         CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

         --  Define the maccro POK_GENERATED_CODE so that the runtime
         --  is aware that we use generated code. Consequently,
         --  the runtime can restrict included functions in the binary.
         --  Here, we do that at the kernel level.

         N := Message_Comment
            ("The POK_LOCAL_NODE macro corresponds to the identifier "
            & "for this node in the distributed system. This identifier "
            & "is unique for each node"
            & "In this case, this identifier was deduced from the"
            & Get_Name_String
               (Display_Name (Identifier (Parent_Subcomponent (E))))
            & " processor component.");
         CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

         N := Make_Expression
            (CTU.Make_Defining_Identifier
               (Map_Node_Name (E)),
            Op_Equal,
            (Make_Literal
               (CV.New_Int_Value
                  (Node_Identifier, 0, 10))));
         Append_Node_To_List (N, Node_List);

         Node_Identifier := Node_Identifier + 1;

         if Get_POK_Major_Frame (E) /= Null_Time then
            Major_Frame := Map_Time_To_Millisecond (Get_POK_Major_Frame (E));
         end if;

         if Get_POK_Slots (E) /= Empty_Time_Array then
            declare
               T : constant Time_Array := Get_POK_Slots (E);
            begin
               for I in T'Range loop
                  N := Map_Time_To_Millisecond (T (I));
                  CTU.Append_Node_To_List (N, CTN.Values (System_Slots));
                  System_Nb_Slots := System_Nb_Slots + 1;
               end loop;
            end;
         else
            Display_Error
               ("You must define partitions time slots", Fatal => True);
         end if;

         if POK_Flavor = POK and then Get_POK_Scheduler (E) /= Static then
            Display_Error
               ("POK systems must have a static scheduler", Fatal => True);
         end if;

         L := Get_POK_Slots_Allocation (E);
         if L /= No_List then
            S := ATN.First_Node (L);
            while Present (S) loop
               K := ATE.Get_Referenced_Entity (S);

               N := Get_Handling (K, By_Node, H_C_Deployment_Spec);

               if Present (N) then
                  CTU.Append_Node_To_List
                     (CTU.Copy_Node (N),
                      CTN.Values (System_Slots_Allocation));
               else
                  CTU.Append_Node_To_List
                     (Make_Literal (CV.New_Int_Value (0, 1, 10)),
                      CTN.Values (System_Slots_Allocation));
               end if;

               S := ATN.Next_Node (S);

            end loop;
         else
            Display_Error
               ("You must define partitions time slots allocation",
               Fatal => True);
         end if;

         if Kernel_Use_Error_Handling then
            N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Needs_Error_Handling),
               Value => CTU.Make_Literal
                  (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
                  (N, CTN.Declarations (CTU.Current_File));
         end if;

         if Kernel_Use_Pci then
            N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Needs_Pci),
               Value => CTU.Make_Literal
                  (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
                  (N, CTN.Declarations (CTU.Current_File));
         end if;

         if Kernel_Use_Io then
            N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Needs_Io),
               Value => CTU.Make_Literal
                  (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
                  (N, CTN.Declarations (CTU.Current_File));
         end if;

         if Kernel_Use_Gettick then
            N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Needs_Gettick),
               Value => CTU.Make_Literal
                  (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
                  (N, CTN.Declarations (CTU.Current_File));
         end if;

         if System_Nb_Threads > 0 then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Threads),
                  Value => CTU.Make_Literal
                     (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
                 (N, CTN.Declarations (CTU.Current_File));
         end if;

         if System_Nb_Partitions > 0 then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Partitions),
                  Value => CTU.Make_Literal
                     (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
                  (N, CTN.Declarations (CTU.Current_File));

            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Sched),
                  Value => CTU.Make_Literal
                     (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
                  (N, CTN.Declarations (CTU.Current_File));
         end if;

--         N := CTU.Make_Define_Statement
--               (Defining_Identifier => RE (RE_Pok_Needs_Debug),
--                  Value => CTU.Make_Literal
--                     (CV.New_Int_Value (1, 1, 10)));
--         CTU.Append_Node_To_List
--                  (N, CTN.Declarations (CTU.Current_File));

--         N := Message_Comment
--            ("The maccro POK_NEEDS_DEBUG "&
--             "activates debug in the kernel (not in libpok).");

--         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

--  Try to remove the debug mode, automatically added previously.

         N := Message_Comment
            ("#define POK_NEEDS_DEBUG 1");
         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         N := Message_Comment
            ("If you want to activate DEBUG mode, uncomment previous line");
         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         --  Define useful constants that configures the kernel : partition
         --  names, sizes and so on.

         N := CTU.Make_Define_Statement
           (Defining_Identifier => RE (RE_Pok_Config_Nb_Partitions),
            Value => CTU.Make_Literal
              (CV.New_Int_Value (System_Nb_Partitions, 1, 10)));
         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         N := Message_Comment
            ("The maccro POK_CONFIG_NB_PARTITIONS "&
             "indicates the amount of partitions in the current system."&
             "It corresponds to the amount of process components"&
             "in the system.");

         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         System_Nb_Threads := System_Nb_Threads + System_Nb_Partitions;

         --  We add one thread per partitions

         System_Nb_Threads := System_Nb_Threads + 2;

         --  We add the kernel and idle threads

         N := CTU.Make_Define_Statement
           (Defining_Identifier => RE (RE_Pok_Config_Nb_Threads),
             Value => CTU.Make_Literal
              (CV.New_Int_Value (System_Nb_Threads, 1, 10)));

         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         N := Message_Comment
            ("The maccro POK_CONFIG_NB_THREADS "&
             "indicates the amount of threads used in the kernel."&
             "It comprises the tasks for the partition and the main "&
             "task of each partition that initialize all ressources.");

         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         N := CTU.Make_Define_Statement
            (Defining_Identifier => RE (RE_Pok_Config_Partitions_Nthreads),
             Value => System_Partitions_Nb_Threads);
         CTU.Append_Node_To_List
            (N, CTN.Declarations (CTU.Current_File));

         N := Message_Comment
            ("The maccro POK_CONFIG_NB_PARTITIONS_NTHREADS "&
             "indicates the amount of threads in each partition "&
             "we also add an additional process that initialize "&
             "all partition's entities (communication, threads, ...)");

         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         --  Declare only used schedulers

         if Kernel_Needs_Sched_Rms then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Sched_Rms),
                Value => CTU.Make_Literal
                   (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         if Kernel_Needs_Sched_Rr then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Sched_Rr),
                Value => CTU.Make_Literal
                   (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         if Kernel_Needs_Sched_Llf then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Sched_Llf),
                Value => CTU.Make_Literal
                   (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         if Kernel_Needs_Sched_Edf then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Sched_Edf),
                Value => CTU.Make_Literal
                   (CV.New_Int_Value (1, 1, 10)));
            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         if System_Nb_Lock_Objects > 0 then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Lockobjects),
                Value => CTU.Make_Literal
                   (CV.New_Int_Value (1, 1, 10)));

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Config_Nb_Lockobjects),
                Value => CTU.Make_Literal
                   (CV.New_Int_Value (System_Nb_Lock_Objects, 1, 10)));

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

            N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Config_Partitions_Nlockobjects),
               Value => System_Partitions_Nb_Lock_Objects);

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

            N := Message_Comment
              ("The maccro POK_CONFIG_NB_PARTITIONS_NLOCKOBJECTS "&
               "indicates the amount of lockobjects in each partition ");

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         N := CTU.Make_Define_Statement
           (Defining_Identifier => RE (RE_Pok_Config_Partitions_Size),
             Value => System_Partitions_Size);

         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         N := CTU.Make_Define_Statement
            (Defining_Identifier => RE (RE_Pok_Config_Partitions_Scheduler),
             Value => System_Partitions_Scheduler);

         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         N := Message_Comment
            ("The maccro POK_CONFIG_PARTTITIONS_SIZE "&
             "indicates the required amount of memory for each partition."&
             "This value was deduced from the property "&
             "POK::Needed_Memory_Size of each process");

         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         if not CTU.Is_Empty (CTN.Values (System_Slots)) then
            N := CTU.Make_Define_Statement
              (Defining_Identifier => RE (RE_Pok_Config_Scheduling_Slots),
               Value => System_Slots);

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         if not CTU.Is_Empty (CTN.Values (System_Slots_Allocation)) then
            N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Config_Scheduling_Slots_Allocation),
                Value => System_Slots_Allocation);

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         N := CTU.Make_Define_Statement
            (Defining_Identifier =>
               RE (RE_Pok_Config_Scheduling_Nbslots),
             Value =>   CTU.Make_Literal
                   (CV.New_Int_Value (System_Nb_Slots, 1, 10)));

         CTU.Append_Node_To_List
            (N, CTN.Declarations (CTU.Current_File));

         if Major_Frame /= No_Node then
            N := CTU.Make_Define_Statement
               (Defining_Identifier =>
                  RE (RE_Pok_Config_Scheduling_Major_Frame),
               Value => Major_Frame);

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         if System_Use_Sampling_Ports then
            N := CTU.Make_Define_Statement
              (Defining_Identifier => RE (RE_Pok_Needs_Ports_Sampling),
               Value => CTU.Make_Literal
                  (CV.New_Int_Value (1, 1, 10)));

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
            N := Message_Comment
               ("The maccro POK_NEEDS_PORTS_SAMPLING indicates "
               & "that we need sampling ports facilities in POK."
               & "It also means that we have intra-partition "
               & "communication between several processes through "
               & "event data port.");
            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         if System_Use_Queueing_Ports then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Ports_Queueing),
                Value => CTU.Make_Literal
                   (CV.New_Int_Value (1, 1, 10)));

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
            N := Message_Comment
              ("The maccro POK_NEEDS_PORTS_QUEUEING indicates "
               & "that we need queueing ports facilities in POK."
               & "It also means that we have inter-partition "
               & "communication between several processes through "
               & "event data port.");
            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         if System_Use_Virtual_Ports then
            N := CTU.Make_Define_Statement
               (Defining_Identifier => RE (RE_Pok_Needs_Ports_Virtual),
                Value => CTU.Make_Literal
                   (CV.New_Int_Value (1, 1, 10)));

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
            N := Message_Comment
              ("The maccro POK_NEEDS_PORTS_VIRTUAL indicates "
               & "that we need virtual ports facilities in POK."
               & "It also means that we have inter-partition "
               & "communication between several processes through "
               & "[event] data port. Virtual ports are uses "
               & "for device drivers interfacing");
            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));
         end if;

         N := CTU.Make_Define_Statement
           (Defining_Identifier => RE (RE_Pok_Config_Stacks_Size),
               Value => CTU.Make_Literal
                 (CV.New_Int_Value (System_Stacks_Size, 1, 10)));
         CTU.Append_Node_To_List (N, CTN.Declarations (CTU.Current_File));

         if System_Nb_Ports > 0 then
            N := CTU.Make_Define_Statement
              (Defining_Identifier =>
                  RE (RE_Pok_Config_Partitions_Ports),
               Value => System_Partitions_Ports);

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

            N := CTU.Make_Define_Statement
              (Defining_Identifier => RE (RE_Pok_Config_Nb_Ports),
               Value => CTU.Make_Literal
                   (CV.New_Int_Value (System_Nb_Ports, 1, 10)));

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

            N := CTU.Make_Define_Statement
              (Defining_Identifier => RE (RE_Pok_Config_Nb_Global_Ports),
               Value => Global_Nb_Ports_Node);

            CTU.Append_Node_To_List
               (N, CTN.Declarations (CTU.Current_File));

            N := Message_Comment
               ("The maccro POK_CONFIG_NB_PORTS represent the amount "
               & "of inter-partition communication in the system."
               & "Sampling and Queueing ports are counted.");
            CTU.Append_Node_To_List
              (N, CTN.Declarations (CTU.Current_File));

            Set_Str_To_Name_Buffer ("invalid_local_port");
            N := Make_Expression
               (CTU.Make_Defining_Identifier
                  (Name_Find),
               Op_Equal,
                  (Make_Literal
                     (CV.New_Int_Value
                        (Local_Port_Identifier, 0, 10))));
            Append_Node_To_List (N, Local_Port_List);

            N := Make_Full_Type_Declaration
              (Defining_Identifier =>
                  RE (RE_Pok_Port_Local_Identifier_T),
               Type_Definition     => Make_Enum_Aggregate
                  (Local_Port_List));
            Append_Node_To_List (N, CTN.Declarations (Current_File));

            N := Make_Full_Type_Declaration
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