------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . E X E C U T I O N _ T I M E . I N T E R R U P T S --
-- --
-- B o d y --
-- --
-- Copyright (C) 2011-2023, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it 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. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT 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/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This is the Bare Board version of this package
with Ada.Unchecked_Conversion;
with System.BB.Execution_Time;
with System.BB.Interrupts;
with System.BB.Time;
package body Ada.Execution_Time.Interrupts with
SPARK_Mode => Off
is
package SBET renames System.BB.Execution_Time;
package SBI renames System.BB.Interrupts;
function To_CPU_Time is new Ada.Unchecked_Conversion
(System.BB.Time.Time, CPU_Time);
-- Function to change the view from System.BB.Time.Time (unsigned 64-bit)
-- to CPU_Time (unsigned 64-bit).
--
-- CPU_Time is derived from Ada.Real_Time.Time which is derived from
-- System.BB.Time.Time. So CPU_Time and System.BB.Time.Time are the same
-- type, but Ada.Real_Time.Time is private so we don't have visibility.
function Clock (Interrupt : Ada.Interrupts.Interrupt_ID) return CPU_Time is
Execution_Time : constant System.BB.Time.Time :=
SBET.Interrupt_Clock (SBI.Interrupt_ID (Interrupt));
begin
return To_CPU_Time (Execution_Time);
end Clock;
function Supported
(Interrupt : Ada.Interrupts.Interrupt_ID) return Boolean is
pragma Unreferenced (Interrupt);
begin
return True;
end Supported;
end Ada.Execution_Time.Interrupts;