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authorSebastian Huber <sebastian.huber@embedded-brains.de>2017-11-24 13:20:16 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2017-11-27 07:32:53 +0100
commit0d5c795afaf9485a02d7de0bb3282407e91c2a38 (patch)
treecfb45e4876976efe9d8c5d51be112ee9c6f86a1b /c/src/ada/rtems.adb
parentbsps: Remove empty tm27.h variants (diff)
downloadrtems-0d5c795afaf9485a02d7de0bb3282407e91c2a38.tar.bz2
Move Ada includes
Update #3254.
Diffstat (limited to 'c/src/ada/rtems.adb')
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diff --git a/c/src/ada/rtems.adb b/c/src/ada/rtems.adb
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--- RTEMS / Body
---
--- DESCRIPTION:
---
--- This package provides the interface to the RTEMS API.
---
---
--- DEPENDENCIES:
---
---
---
--- COPYRIGHT (c) 1997-2011.
--- 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 Ada;
-with Ada.Unchecked_Conversion;
-with Interfaces; use Interfaces;
-with Interfaces.C; use Interfaces.C;
-
-package body RTEMS is
-
- --
- -- Utility Functions
- --
-
- function From_Ada_Boolean
- (Ada_Boolean : Standard.Boolean)
- return RTEMS.Boolean
- is
- begin
-
- if Ada_Boolean then
- return RTEMS.True;
- end if;
-
- return RTEMS.False;
-
- end From_Ada_Boolean;
-
- function To_Ada_Boolean
- (RTEMS_Boolean : RTEMS.Boolean)
- return Standard.Boolean
- is
- begin
-
- if RTEMS_Boolean = RTEMS.True then
- return Standard.True;
- end if;
-
- return Standard.False;
-
- end To_Ada_Boolean;
-
- function Milliseconds_To_Microseconds
- (Milliseconds : RTEMS.Unsigned32)
- return RTEMS.Unsigned32
- is
- begin
-
- return Milliseconds * 1000;
-
- end Milliseconds_To_Microseconds;
-
- function Microseconds_To_Ticks
- (Microseconds : RTEMS.Unsigned32)
- return RTEMS.Interval
- is
- function Microseconds_Per_Tick return RTEMS.Unsigned32;
- pragma Import (C, Microseconds_Per_Tick, "_ada_microseconds_per_tick");
- begin
-
- return Microseconds / Microseconds_Per_Tick;
-
- end Microseconds_To_Ticks;
-
- function Milliseconds_To_Ticks
- (Milliseconds : RTEMS.Unsigned32)
- return RTEMS.Interval
- is
- begin
-
- return Microseconds_To_Ticks
- (Milliseconds_To_Microseconds (Milliseconds));
-
- end Milliseconds_To_Ticks;
-
- procedure Name_To_Characters
- (Name : in RTEMS.Name;
- C1 : out Character;
- C2 : out Character;
- C3 : out Character;
- C4 : out Character)
- is
- C1_Value : RTEMS.Unsigned32;
- C2_Value : RTEMS.Unsigned32;
- C3_Value : RTEMS.Unsigned32;
- C4_Value : RTEMS.Unsigned32;
- begin
-
- C1_Value := Interfaces.Shift_Right (Name, 24);
- C2_Value := Interfaces.Shift_Right (Name, 16);
- C3_Value := Interfaces.Shift_Right (Name, 8);
- C4_Value := Name;
-
- C1_Value := C1_Value and 16#00FF#;
- C2_Value := C2_Value and 16#00FF#;
- C3_Value := C3_Value and 16#00FF#;
- C4_Value := C4_Value and 16#00FF#;
-
- C1 := Character'Val (C1_Value);
- C2 := Character'Val (C2_Value);
- C3 := Character'Val (C3_Value);
- C4 := Character'Val (C4_Value);
-
- end Name_To_Characters;
-
- function Get_Node (ID : in RTEMS.ID) return RTEMS.Unsigned32 is
- begin
-
- -- May not be right
- return Interfaces.Shift_Right (ID, 16);
-
- end Get_Node;
-
- function Get_Index (ID : in RTEMS.ID) return RTEMS.Unsigned32 is
- begin
-
- -- May not be right
- return ID and 16#FFFF#;
-
- end Get_Index;
-
- function Are_Statuses_Equal
- (Status : in RTEMS.Status_Codes;
- Desired : in RTEMS.Status_Codes)
- return Standard.Boolean
- is
- begin
-
- if Status = Desired then
- return Standard.True;
- end if;
-
- return Standard.False;
-
- end Are_Statuses_Equal;
-
- function Is_Status_Successful
- (Status : in RTEMS.Status_Codes)
- return Standard.Boolean
- is
- begin
-
- if Status = RTEMS.Successful then
- return Standard.True;
- end if;
-
- return Standard.False;
-
- end Is_Status_Successful;
-
- function Subtract
- (Left : in RTEMS.Address;
- Right : in RTEMS.Address)
- return RTEMS.Unsigned32
- is
- function To_Unsigned32 is new Ada.Unchecked_Conversion (
- System.Address,
- RTEMS.Unsigned32);
-
- begin
- return To_Unsigned32 (Left) - To_Unsigned32 (Right);
- end Subtract;
-
- function Are_Equal
- (Left : in RTEMS.Address;
- Right : in RTEMS.Address)
- return Standard.Boolean
- is
- function To_Unsigned32 is new Ada.Unchecked_Conversion (
- System.Address,
- RTEMS.Unsigned32);
-
- begin
- return (To_Unsigned32 (Left) = To_Unsigned32 (Right));
- end Are_Equal;
-
- --
- --
- -- RTEMS API
- --
-
- function Build_Name (
- C1 : in Character;
- C2 : in Character;
- C3 : in Character;
- C4 : in Character
- ) return RTEMS.Name is
- C1_Value : RTEMS.Unsigned32;
- C2_Value : RTEMS.Unsigned32;
- C3_Value : RTEMS.Unsigned32;
- C4_Value : RTEMS.Unsigned32;
- begin
-
- C1_Value := Character'Pos( C1 );
- C2_Value := Character'Pos( C2 );
- C3_Value := Character'Pos( C3 );
- C4_Value := Character'Pos( C4 );
-
- return Interfaces.Shift_Left( C1_Value, 24 ) or
- Interfaces.Shift_Left( C2_Value, 16 ) or
- Interfaces.Shift_Left( C3_Value, 8 ) or
- C4_Value;
-
- end Build_Name;
-
- --
- -- Initialization Manager -- Shutdown Only
- --
- procedure Shutdown_Executive (Status : in RTEMS.Unsigned32) is
- procedure Shutdown_Executive_Base (Status : RTEMS.Unsigned32);
- pragma Import (C, Shutdown_Executive_Base, "rtems_shutdown_executive");
- begin
- Shutdown_Executive_Base (Status);
- end Shutdown_Executive;
-
-end RTEMS;