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-- SPDX-License-Identifier: BSD-2-Clause
--
-- Timer_Driver / Specification
--
-- Description:
--
-- This package is the specification for the Timer Driver.
--
-- Dependencies:
--
--
--
-- COPYRIGHT (c) 1989-1997.
-- On-Line Applications Research Corporation (OAR).
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
-- 1. Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
-- 2. Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in the
-- documentation and/or other materials provided with the distribution.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-- POSSIBILITY OF SUCH DAMAGE.
--
with RTEMS;
package Timer_Driver is
--
-- Initialize
--
-- Description:
--
-- This subprogram initializes the hardware timer to start it.
--
procedure Initialize;
pragma Import (C, Initialize, "benchmark_timer_initialize");
--
-- Read_Timer
--
-- Description:
--
-- This subprogram stops the timer, calculates the length of time
-- in microseconds since the timer was started, and returns that
-- value.
--
function Read_Timer
return RTEMS.Unsigned32;
pragma Import (C, Read_Timer, "benchmark_timer_read");
--
-- Empty_Function
--
-- Description:
--
-- This subprogram is an empty subprogram. It is used to
-- insure that a loop will be included in the final executable
-- so that loop overhead can be subtracted from the directive
-- times reported.
--
procedure Empty_Function;
--
-- Set_Find_Average_Overhead
--
-- Description:
--
-- This subprogram sets the Find_Average_Overhead flag to the
-- the value passed.
--
procedure Set_Find_Average_Overhead (
Find_Flag : in Standard.Boolean
);
private
end Timer_Driver;
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