------------------------------------------------------------------------------ ------------------------------------------------------------------------------ -- Cheddar is a GNU GPL real-time scheduling analysis tool. -- This program provides services to automatically check schedulability and -- other performance criteria of real-time architecture models. -- -- Copyright (C) 2002-2023, Frank Singhoff, Alain Plantec, Jerome Legrand, -- Hai Nam Tran, Stephane Rubini -- -- The Cheddar project was started in 2002 by -- Frank Singhoff, Lab-STICC UMR 6285, Université de Bretagne Occidentale -- -- Cheddar has been published in the "Agence de Protection des Programmes/France" in 2008. -- Since 2008, Ellidiss technologies also contributes to the development of -- Cheddar and provides industrial support. -- -- The full list of contributors and sponsors can be found in README.md -- -- This program is free software; you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation; either version 2 of the License, or -- (at your option) any later version. -- -- This program 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 -- along with this program; if not, write to the Free Software -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -- -- -- Contact : cheddar@listes.univ-brest.fr -- ------------------------------------------------------------------------------ -- Last update : -- $Rev$ -- $Date$ -- $Author: singhoff $ ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ with section_set; use section_set; use section_set.package_generic_section_set; with Automaton; use Automaton; use Automaton.Package_Automaton_Status; package scheduler.user_defined.interpreted.automata is type automata_user_defined_scheduler is new interpreted_user_defined_scheduler with private; type automata_user_defined_scheduler_ptr is access all automata_user_defined_scheduler'class; procedure initialize (a_scheduler : in out automata_user_defined_scheduler); function copy (a_scheduler : in automata_user_defined_scheduler) return generic_scheduler_ptr; procedure set_automaton_name (my_scheduler : in out automata_user_defined_scheduler; to_set : in Unbounded_String); function get_automaton_name (my_scheduler : in automata_user_defined_scheduler) return Unbounded_String; procedure put (my_scheduler : in automata_user_defined_scheduler); procedure do_election (my_scheduler : in out automata_user_defined_scheduler; si : in out scheduling_information; result : in out scheduling_sequence_ptr; msg : in out Unbounded_String; current_time : in Natural; processor_name : in Unbounded_String; address_space_name : in Unbounded_String; core_name : in Unbounded_String; options : in scheduling_option; event_to_generate : in time_unit_event_type_boolean_table; elected : in out tasks_range; no_task : in out Boolean); procedure specific_scheduler_initialization (my_scheduler : in out automata_user_defined_scheduler; si : in out scheduling_information; processor_name : in Unbounded_String; address_space_name : in Unbounded_String; my_tasks : in out tasks_set; my_schedulers : in scheduler_table; my_resources : in out resources_set; my_buffers : in out buffers_set; my_messages : in messages_set; msg : in out Unbounded_String); -- Check the current state of the automaton : is the transition reachable ? -- from the current automaton location -- procedure check_reachability (my_scheduler : in out automata_user_defined_scheduler; a_transition : in out transition_status; automaton_name_of_the_transition : in Unbounded_String); -- Check synchronization : is the transition awaiting another one ? -- procedure check_synchronization_constraints (my_scheduler : in out automata_user_defined_scheduler; a_transition : in out transition_status; si : in out scheduling_information; result : in out scheduling_sequence_ptr; msg : in out Unbounded_String; current_time : in Natural; processor_name : in Unbounded_String; options : in scheduling_option; event_to_generate : in time_unit_event_type_boolean_table; elected : in out tasks_range; no_task : in out Boolean); -- Check the guard : is the guard true ? -- procedure check_guard_constraints (my_scheduler : in out automata_user_defined_scheduler; a_transition : in out transition_status); -- Check the delay statements : can we wake up the transition ? -- procedure check_delay_constraints (my_scheduler : in out automata_user_defined_scheduler; a_transition : in out transition_status; automaton_name_of_the_transition : in Unbounded_String; current_time : in Natural); -- This sub-program fires a transition -- procedure fire_a_transition (my_scheduler : in out automata_user_defined_scheduler; a_transition : in out transition_status; automaton_name_of_the_transition : in Unbounded_String; si : in out scheduling_information; result : in out scheduling_sequence_ptr; msg : in out Unbounded_String; current_time : in Natural; processor_name : in Unbounded_String; options : in scheduling_option; event_to_generate : in time_unit_event_type_boolean_table; elected : in out tasks_range; no_task : in out Boolean; an_election_section_was_run : in out Boolean); private type automata_user_defined_scheduler is new interpreted_user_defined_scheduler with record -- Name of the automaton which is supposed to model the scheduler of the -- processor -- automaton_name : Unbounded_String; -- Stores the set of sections with their code -- root_statement_pointer : sections_set; -- The shedulers of each address space -- local_scheduler : scheduler_table; -- Variable which store simulation data -- (status of automata and transitions) -- transition_data : transition_status_table; automaton_data : automaton_status_table; end record; end scheduler.user_defined.interpreted.automata;