gcc/ada/libgnarl/s-vxwork__arm.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 ARM 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    FP_SGPR_NUM_REGS : constant := 32;
  44    type Fpr_Sgpr_Array is array (1 .. FP_SGPR_NUM_REGS) of IC.unsigned;
  45
  46    --  The record definition below matches what arch/arm/fppArmLib.h says
  47
  48    type FP_CONTEXT is record
  49       fpsid    : IC.unsigned;  --  system ID register
  50       fpscr    : IC.unsigned;  --  status and control register
  51       fpexc    : IC.unsigned;  --  exception register
  52       fpinst   : IC.unsigned;  --  instruction register
  53       fpinst2  : IC.unsigned;  --  instruction register 2
  54       mfvfr0   : IC.unsigned;  --  media and VFP feature Register 0
  55       mfvfr1   : IC.unsigned;  --  media and VFP feature Register 1
  56       pad      : IC.unsigned;
  57       vfp_gpr  : Fpr_Sgpr_Array;
  58    end record;
  59
  60    for FP_CONTEXT'Alignment use 4;
  61    pragma Convention (C, FP_CONTEXT);
  62
  63    Num_HW_Interrupts : constant := 256;
  64    --  Number of entries in hardware interrupt vector table
  65
  66 end System.VxWorks;