File : s-vxwork-x86.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
4 -- --
5 -- S Y S T E M . V X W O R K S --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 1998-2014, Free Software Foundation, Inc. --
10 -- --
11 -- GNARL is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
17 -- --
18 -- --
19 -- --
20 -- --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNARL was developed by the GNARL team at Florida State University. --
28 -- Extensive contributions were provided by Ada Core Technologies, Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 -- This is the x86 VxWorks version of this package
33
34 package System.VxWorks is
35 pragma Preelaborate;
36
37 -- Floating point context record. x86 version
38
39 -- There are two kinds of FP_CONTEXT for this architecture, corresponding
40 -- to newer and older processors. The type is defined in fppI86lib.h as a
41 -- union. The form used depends on the versions of the save and restore
42 -- routines that are selected by the user (these versions are provided in
43 -- vxwork.ads). Since we do not examine the contents of these objects, it
44 -- is sufficient to declare the type as of the required size: 512 bytes.
45
46 type FP_CONTEXT is array (1 .. 128) of Integer;
47 for FP_CONTEXT'Alignment use 4;
48 for FP_CONTEXT'Size use 512 * Storage_Unit;
49 pragma Convention (C, FP_CONTEXT);
50
51 Num_HW_Interrupts : constant := 256;
52 -- Number of entries in hardware interrupt vector table
53
54 end System.VxWorks;