coreboot-kgpe-d16/src/lib/hw-time-timer.adb

48 lines
1.2 KiB
Ada

--
-- This file is part of the coreboot project.
--
--
-- 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; version 2 of the License.
--
-- 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.
--
with Interfaces.C;
package body HW.Time.Timer
with Refined_State => (Timer_State => null,
Abstract_Time => null)
is
procedure Timer_Monotonic_Get (MT : out Interfaces.C.long);
pragma Import (C, Timer_Monotonic_Get, "timer_monotonic_get");
function Raw_Value_Min return T
with
SPARK_Mode => Off
is
Microseconds : Interfaces.C.long;
begin
Timer_Monotonic_Get (Microseconds);
return T (Microseconds);
end Raw_Value_Min;
function Raw_Value_Max return T
is
begin
return Raw_Value_Min + 1;
end Raw_Value_Max;
function Hz return T
is
begin
return 1_000_000;
end Hz;
end HW.Time.Timer;