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Commit 01903c08 authored by bouazizrahma's avatar bouazizrahma Committed by Jerome Hugues
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update activity to support BA dispatch pattern for sporadic threads in activity.c

parent 5d33ca75
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Inline Side-by-side
src/backends/po_hi_c/ocarina-backends-po_hi_c-activity.adb
View file @ 01903c08
......@@ -368,6 +368,7 @@ package body Ocarina.Backends.PO_HI_C.Activity is
N, N1 : Node_Id;
procedure Make_Wait_Event;
procedure Make_Wait_Specific_Events;
procedure Make_Call_Sequence;
procedure Make_Set_Out_Ports;
procedure Make_Send_Out_Ports (WStats : List_Id);
......@@ -484,15 +485,69 @@ package body Ocarina.Backends.PO_HI_C.Activity is
return Make_If_Statement (Condition, Then_Statements);
end Make_Get_Valid_Value;
-------------------------------
-- Make_Wait_Specific_Events --
-------------------------------
procedure Make_Wait_Specific_Events is
begin
-- __po_hi_int32_t index_transition_to_execute;
N :=
Make_Variable_Declaration
(Defining_Identifier => Make_Defining_Identifier
(VN (V_Index_Transition_To_Execute)),
Used_Type => RE (RE_Int32_T));
Append_Node_To_List (N, Declarations);
-- Make the call to
-- __po_hi_gqueue_wait_for_specific_incoming_events
Call_Parameters := New_List (CTN.K_Parameter_List);
N := Make_Defining_Identifier (Map_C_Enumerator_Name (S));
Append_Node_To_List (N, Call_Parameters);
N := Make_Defining_Identifier (VN (V_Next_Complete_State));
Append_Node_To_List (N, Call_Parameters);
N := Make_Variable_Address
(Make_Defining_Identifier (VN (V_Index_Transition_To_Execute)));
Append_Node_To_List (N, Call_Parameters);
N :=
CTU.Make_Call_Profile
(RE (RE_Gqueue_Wait_For_Specific_Incoming_Events),
Call_Parameters);
Append_Node_To_List (N, WStatements);
-- Make the call to __po_hi_compute_next_period
Call_Parameters := New_List (CTN.K_Parameter_List);
N :=
Make_Defining_Identifier
(Map_C_Enumerator_Name (S, Custom_Parent => Current_Device));
Append_Node_To_List (N, Call_Parameters);
N :=
CTU.Make_Call_Profile
(RE (RE_Compute_Next_Period),
Call_Parameters);
Append_Node_To_List (N, WStatements);
end Make_Wait_Specific_Events;
---------------------
-- Make_Wait_Event --
---------------------
procedure Make_Wait_Event is
begin
N :=
Make_Variable_Declaration
(Defining_Identifier => Make_Defining_Identifier (VN (V_Port)),
(Defining_Identifier => Make_Defining_Identifier
(VN (V_Port)),
Used_Type => RE (RE_Local_Port_T));
Append_Node_To_List (N, Declarations);
......@@ -503,7 +558,9 @@ package body Ocarina.Backends.PO_HI_C.Activity is
Append_Node_To_List (N, Call_Parameters);
N :=
Make_Variable_Address (Make_Defining_Identifier (VN (V_Port)));
Make_Variable_Address
(Make_Defining_Identifier
(VN (V_Port)));
Append_Node_To_List (N, Call_Parameters);
N :=
......@@ -1160,10 +1217,15 @@ package body Ocarina.Backends.PO_HI_C.Activity is
N := Make_Defining_Identifier (Map_C_Enumerator_Name (S));
Append_Node_To_List (N, Call_Parameters);
if P = Thread_Sporadic then
if P = Thread_Sporadic and then
Compute_Nb_On_Dispatch_Transitions (E) > 1
then
N := Make_Defining_Identifier (VN (V_Next_Complete_State));
Append_Node_To_List (N, Call_Parameters);
N := Make_Variable_Address
(Make_Defining_Identifier (VN (V_Port)));
N := Make_Defining_Identifier
(VN (V_Index_Transition_To_Execute));
Append_Node_To_List (N, Call_Parameters);
end if;
......@@ -1266,6 +1328,116 @@ package body Ocarina.Backends.PO_HI_C.Activity is
end loop;
end if;
if Impl_Kind = Thread_With_Behavior_Specification then
declare
BA : constant Node_Id := Get_Behavior_Specification (E);
begin
if P = Thread_Sporadic and then
BANu.Length (BATN.States (BA)) > 1 and then
Compute_Nb_On_Dispatch_Transitions (E) > 1
then
-- __po_hi_ba_automata_state_t *next_complete_state =
-- (__po_hi_ba_automata_state_t *)
-- malloc(sizeof(__po_hi_ba_automata_state_t));
N :=
Make_Variable_Declaration
(Defining_Identifier => Make_Defining_Identifier
(VN (V_Next_Complete_State)),
Used_Type => Make_Pointer_Type
(RE (RE_Ba_Automata_State_T)),
Value => Make_Type_Conversion
(Subtype_Mark => Make_Pointer_Type
(RE (RE_Ba_Automata_State_T)),
Expression => Make_Call_Profile
(Make_Defining_Identifier (FN (F_Malloc)),
Make_List_Id
(Make_Call_Profile
(Make_Defining_Identifier (FN (F_Sizeof)),
Make_List_Id
(RE (RE_Ba_Automata_State_T)))))));
Append_Node_To_List (N, Declarations);
-- next_complete_state
-- ->nb_dispatch_triggers_of_each_transition =
-- (__po_hi_int32_t *)
-- malloc( sizeof(__po_hi_int32_t) *
-- __po_hi_consumer_max_dispatch_transitions_
-- per_complete_state);
N := Make_Assignment_Statement
(Variable_Identifier => Make_Member_Designator
(Defining_Identifier => Make_Defining_Identifier
(MN
(M_Nb_Dispatch_Triggers_Of_Each_Transition)),
Aggregate_Name => Make_Defining_Identifier
(VN (V_Next_Complete_State)),
Is_Pointer => True),
Expression => Make_Type_Conversion
(Subtype_Mark => Make_Pointer_Type
(RE (RE_Int32_T)),
Expression => Make_Call_Profile
(Make_Defining_Identifier (FN (F_Malloc)),
Make_List_Id
(Make_Expression
(Left_Expr => Make_Call_Profile
(Make_Defining_Identifier (FN (F_Sizeof)),
Make_List_Id
(RE (RE_Int32_T))),
Operator => Op_Asterisk,
Right_Expr => Make_Defining_Identifier
(Map_C_Define_Name
(S,
Max_Dispatch_Transitions_Per_Complete_State
=> True)))))));
Append_Node_To_List (N, Statements);
-- next_complete_state->dispatch_triggers_of_all_transitions
-- = (__po_hi_int32_t *)
-- malloc( sizeof(__po_hi_int32_t) *
-- (__po_hi_consumer_max_dispatch_transitions_per_
-- complete_state*__po_hi_consumer_max_dispatch_
-- triggers_per_dispatch_transition));
N := Make_Assignment_Statement
(Variable_Identifier => Make_Member_Designator
(Defining_Identifier => Make_Defining_Identifier
(MN (M_Dispatch_Triggers_Of_All_Transitions)),
Aggregate_Name => Make_Defining_Identifier
(VN (V_Next_Complete_State)),
Is_Pointer => True),
Expression => Make_Type_Conversion
(Subtype_Mark => Make_Pointer_Type
(RE (RE_Int32_T)),
Expression => Make_Call_Profile
(Make_Defining_Identifier (FN (F_Malloc)),
Make_List_Id
(Make_Expression
(Left_Expr => Make_Call_Profile
(Make_Defining_Identifier (FN (F_Sizeof)),
Make_List_Id
(RE (RE_Int32_T))),
Operator => Op_Asterisk,
Right_Expr => Make_Expression
(Left_Expr => Make_Defining_Identifier
(Map_C_Define_Name
(S,
Max_Dispatch_Transitions_Per_Complete_State
=> True)),
Operator => Op_Asterisk,
Right_Expr => Make_Defining_Identifier
(Map_C_Define_Name
(S,
Max_Dispatch_Triggers_Per_Dispatch_Transition
=> True))))))));
Append_Node_To_List (N, Statements);
end if;
end;
end if;
if Has_Ports (E) then
-- Make the __po_hi_gqueue_init call
......@@ -1350,8 +1522,16 @@ package body Ocarina.Backends.PO_HI_C.Activity is
-- If the thread is sporadic or aperiodic, we generate the
-- call to block waiting for events.
if P = Thread_Sporadic or else P = Thread_Aperiodic then
if P = Thread_Aperiodic then
Make_Wait_Event;
elsif P = Thread_Sporadic then
if Impl_Kind = Thread_With_Behavior_Specification and then
Compute_Nb_On_Dispatch_Transitions (E) > 1
then
Make_Wait_Specific_Events;
else
Make_Wait_Event;
end if;
end if;
-- Depending on the implementation kind, call the proper
......@@ -1429,10 +1609,11 @@ package body Ocarina.Backends.PO_HI_C.Activity is
-- /** Initialize states; this function is called
-- when the BA of the thread has more than one state **/
--
-- producer_th_states_initialization ();
-- producer_states_and_current_state_initialization ();
if P = Thread_Periodic or else P = Thread_Sporadic then
declare
BA : Node_Id;
P1 : List_Id;
begin
BA := Get_Behavior_Specification (E);
if BANu.Length (BATN.States (BA)) > 1 then
......@@ -1444,21 +1625,30 @@ package body Ocarina.Backends.PO_HI_C.Activity is
-- Call <<thread_name>>_states_initialization
if P = Thread_Periodic
or else (P = Thread_Sporadic and then
Compute_Nb_On_Dispatch_Transitions (E) = 1)
then
P1 := No_List;
elsif P = Thread_Sporadic and then
Compute_Nb_On_Dispatch_Transitions (E) > 1
then
P1 := Make_List_Id
(Make_Defining_Identifier
(VN (V_Next_Complete_State)));
end if;
N := CTU.Make_Call_Profile
(Defining_Identifier => Make_Defining_Identifier
(Map_C_BA_Related_Function_Name
(S, States_Initialization => True)),
Parameters => No_List);
Parameters => P1);
Append_Node_To_List (N, Statements);
N :=
Make_Extern_Entity_Declaration
(Make_Function_Specification
(Defining_Identifier => Make_Defining_Identifier
(Map_C_BA_Related_Function_Name
(S, States_Initialization => True)),
Parameters => No_List,
Return_Type => New_Node (CTN.K_Void)));
(Make_Specification_Of_BA_Related_Function
(E, States_Initialization => True));
Append_Node_To_List (N,
CTN.Declarations (Current_File));
......
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