1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
5 -- S Y S T E M . V X W O R K S --
9 -- Copyright (C) 1998-2007, Free Software Foundation, Inc. --
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 2, or (at your option) any later ver- --
14 -- sion. GNARL 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. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNARL; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNARL was developed by the GNARL team at Florida State University. --
30 -- Extensive contributions were provided by Ada Core Technologies, Inc. --
32 ------------------------------------------------------------------------------
34 -- This is the M68K VxWorks version of this package
38 package System.VxWorks is
41 package IC renames Interfaces.C;
43 -- Floating point context record. 68K version
45 FP_NUM_DREGS : constant := 8;
46 FP_STATE_FRAME_SIZE : constant := 216;
48 type DOUBLEX is array (1 .. 12) of Interfaces.Unsigned_8;
49 pragma Pack (DOUBLEX);
50 for DOUBLEX'Size use 12 * 8;
52 type DOUBLEX_Array is array (1 .. FP_NUM_DREGS) of DOUBLEX;
53 pragma Pack (DOUBLEX_Array);
54 for DOUBLEX_Array'Size use FP_NUM_DREGS * 12 * 8;
56 type FPREG_SET is record
63 type Fp_State_Frame_Array is array (1 .. FP_STATE_FRAME_SIZE) of IC.char;
64 pragma Pack (Fp_State_Frame_Array);
65 for Fp_State_Frame_Array'Size use 8 * FP_STATE_FRAME_SIZE;
67 type FP_CONTEXT is record
69 stateFrame : Fp_State_Frame_Array;
71 pragma Convention (C, FP_CONTEXT);
73 Num_HW_Interrupts : constant := 256;
74 -- Number of entries in the hardware interrupt vector table