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) 1998-2021, 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-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
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 AARCH64 VxWorks version of this package
33
34with Interfaces.C;
35
36package System.VxWorks is
37   pragma Preelaborate (System.VxWorks);
38
39   package IC renames Interfaces.C;
40
41   --  Floating point context record. ARM version
42
43   type ulong128 is array (0 .. 1) of IC.unsigned_long;
44   FP_SGPR_NUM_REGS : constant := 32;
45   type Fpr_Sgpr_Array is array (1 .. FP_SGPR_NUM_REGS) of ulong128;
46
47   --  The record definition below matches what arch/arm/fppArmLib.h says
48
49   type FP_CONTEXT is record
50      fpcr     : IC.unsigned_long;  --  Floating-point Control Register
51      fpsr     : IC.unsigned_long;  --  Floating-point Status Register
52      vfp_gpr  : Fpr_Sgpr_Array;
53   end record;
54
55   for FP_CONTEXT'Alignment use 16;  --  128 bits
56   pragma Convention (C, FP_CONTEXT);
57
58   Num_HW_Interrupts : constant := 256;
59   --  Number of entries in hardware interrupt vector table
60
61end System.VxWorks;
62