1 |
706 |
jeremybenn |
------------------------------------------------------------------------------
|
2 |
|
|
-- --
|
3 |
|
|
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
|
4 |
|
|
-- --
|
5 |
|
|
-- A D A . I N T E R R U P T S --
|
6 |
|
|
-- --
|
7 |
|
|
-- B o d y --
|
8 |
|
|
-- --
|
9 |
|
|
-- Copyright (C) 1991-1994, Florida State University --
|
10 |
|
|
-- Copyright (C) 1995-2010, AdaCore --
|
11 |
|
|
-- --
|
12 |
|
|
-- GNAT is free software; you can redistribute it and/or modify it under --
|
13 |
|
|
-- terms of the GNU General Public License as published by the Free Soft- --
|
14 |
|
|
-- ware Foundation; either version 3, or (at your option) any later ver- --
|
15 |
|
|
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
16 |
|
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
17 |
|
|
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
18 |
|
|
-- --
|
19 |
|
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
20 |
|
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
21 |
|
|
-- version 3.1, as published by the Free Software Foundation. --
|
22 |
|
|
-- --
|
23 |
|
|
-- You should have received a copy of the GNU General Public License and --
|
24 |
|
|
-- a copy of the GCC Runtime Library Exception along with this program; --
|
25 |
|
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
26 |
|
|
-- <http://www.gnu.org/licenses/>. --
|
27 |
|
|
-- --
|
28 |
|
|
-- GNARL was developed by the GNARL team at Florida State University. --
|
29 |
|
|
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
|
30 |
|
|
-- --
|
31 |
|
|
------------------------------------------------------------------------------
|
32 |
|
|
|
33 |
|
|
with Ada.Unchecked_Conversion;
|
34 |
|
|
|
35 |
|
|
package body Ada.Interrupts is
|
36 |
|
|
|
37 |
|
|
package SI renames System.Interrupts;
|
38 |
|
|
|
39 |
|
|
function To_System is new Ada.Unchecked_Conversion
|
40 |
|
|
(Parameterless_Handler, SI.Parameterless_Handler);
|
41 |
|
|
|
42 |
|
|
function To_Ada is new Ada.Unchecked_Conversion
|
43 |
|
|
(SI.Parameterless_Handler, Parameterless_Handler);
|
44 |
|
|
|
45 |
|
|
--------------------
|
46 |
|
|
-- Attach_Handler --
|
47 |
|
|
--------------------
|
48 |
|
|
|
49 |
|
|
procedure Attach_Handler
|
50 |
|
|
(New_Handler : Parameterless_Handler;
|
51 |
|
|
Interrupt : Interrupt_ID)
|
52 |
|
|
is
|
53 |
|
|
begin
|
54 |
|
|
SI.Attach_Handler
|
55 |
|
|
(To_System (New_Handler), SI.Interrupt_ID (Interrupt), False);
|
56 |
|
|
end Attach_Handler;
|
57 |
|
|
|
58 |
|
|
---------------------
|
59 |
|
|
-- Current_Handler --
|
60 |
|
|
---------------------
|
61 |
|
|
|
62 |
|
|
function Current_Handler
|
63 |
|
|
(Interrupt : Interrupt_ID) return Parameterless_Handler
|
64 |
|
|
is
|
65 |
|
|
begin
|
66 |
|
|
return To_Ada (SI.Current_Handler (SI.Interrupt_ID (Interrupt)));
|
67 |
|
|
end Current_Handler;
|
68 |
|
|
|
69 |
|
|
--------------------
|
70 |
|
|
-- Detach_Handler --
|
71 |
|
|
--------------------
|
72 |
|
|
|
73 |
|
|
procedure Detach_Handler (Interrupt : Interrupt_ID) is
|
74 |
|
|
begin
|
75 |
|
|
SI.Detach_Handler (SI.Interrupt_ID (Interrupt), False);
|
76 |
|
|
end Detach_Handler;
|
77 |
|
|
|
78 |
|
|
----------------------
|
79 |
|
|
-- Exchange_Handler --
|
80 |
|
|
----------------------
|
81 |
|
|
|
82 |
|
|
procedure Exchange_Handler
|
83 |
|
|
(Old_Handler : out Parameterless_Handler;
|
84 |
|
|
New_Handler : Parameterless_Handler;
|
85 |
|
|
Interrupt : Interrupt_ID)
|
86 |
|
|
is
|
87 |
|
|
H : SI.Parameterless_Handler;
|
88 |
|
|
|
89 |
|
|
begin
|
90 |
|
|
SI.Exchange_Handler
|
91 |
|
|
(H, To_System (New_Handler),
|
92 |
|
|
SI.Interrupt_ID (Interrupt), False);
|
93 |
|
|
Old_Handler := To_Ada (H);
|
94 |
|
|
end Exchange_Handler;
|
95 |
|
|
|
96 |
|
|
-----------------
|
97 |
|
|
-- Is_Attached --
|
98 |
|
|
-----------------
|
99 |
|
|
|
100 |
|
|
function Is_Attached (Interrupt : Interrupt_ID) return Boolean is
|
101 |
|
|
begin
|
102 |
|
|
return SI.Is_Handler_Attached (SI.Interrupt_ID (Interrupt));
|
103 |
|
|
end Is_Attached;
|
104 |
|
|
|
105 |
|
|
-----------------
|
106 |
|
|
-- Is_Reserved --
|
107 |
|
|
-----------------
|
108 |
|
|
|
109 |
|
|
function Is_Reserved (Interrupt : Interrupt_ID) return Boolean is
|
110 |
|
|
begin
|
111 |
|
|
return SI.Is_Reserved (SI.Interrupt_ID (Interrupt));
|
112 |
|
|
end Is_Reserved;
|
113 |
|
|
|
114 |
|
|
---------------
|
115 |
|
|
-- Reference --
|
116 |
|
|
---------------
|
117 |
|
|
|
118 |
|
|
function Reference (Interrupt : Interrupt_ID) return System.Address is
|
119 |
|
|
begin
|
120 |
|
|
return SI.Reference (SI.Interrupt_ID (Interrupt));
|
121 |
|
|
end Reference;
|
122 |
|
|
|
123 |
|
|
end Ada.Interrupts;
|