forked from Imagelibrary/rtems
This solves a build dependency issue, e.g. building tests before librtemsbsp.a exists. Close #3079.
78 lines
1.4 KiB
Ada
78 lines
1.4 KiB
Ada
--
|
|
-- Timer_Driver / Specification
|
|
--
|
|
-- Description:
|
|
--
|
|
-- This package is the specification for the Timer Driver.
|
|
--
|
|
-- Dependencies:
|
|
--
|
|
--
|
|
--
|
|
-- COPYRIGHT (c) 1989-1997.
|
|
-- On-Line Applications Research Corporation (OAR).
|
|
--
|
|
-- The license and distribution terms for this file may in
|
|
-- the file LICENSE in this distribution or at
|
|
-- http://www.rtems.org/license/LICENSE.
|
|
--
|
|
|
|
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;
|