gcc/ada/libgnarl/s-vxwork__aarch64.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) 1998-2018, 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
  34 with Interfaces.C;
  35
  36 package 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
  61 end System.VxWorks;