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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . V X W O R K S --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1998-2009, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNARL was developed by the GNARL team at Florida State University. --
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-- Extensive contributions were provided by Ada Core Technologies, Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This is the M68K VxWorks version of this package
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with Interfaces.C;
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package System.VxWorks is
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pragma Preelaborate;
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package IC renames Interfaces.C;
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-- Floating point context record. 68K version
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FP_NUM_DREGS : constant := 8;
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FP_STATE_FRAME_SIZE : constant := 216;
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type DOUBLEX is array (1 .. 12) of Interfaces.Unsigned_8;
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pragma Pack (DOUBLEX);
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for DOUBLEX'Size use 12 * 8;
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type DOUBLEX_Array is array (1 .. FP_NUM_DREGS) of DOUBLEX;
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pragma Pack (DOUBLEX_Array);
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for DOUBLEX_Array'Size use FP_NUM_DREGS * 12 * 8;
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type FPREG_SET is record
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fpcr : IC.int;
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fpsr : IC.int;
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fpiar : IC.int;
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fpx : DOUBLEX_Array;
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end record;
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type Fp_State_Frame_Array is array (1 .. FP_STATE_FRAME_SIZE) of IC.char;
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pragma Pack (Fp_State_Frame_Array);
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for Fp_State_Frame_Array'Size use 8 * FP_STATE_FRAME_SIZE;
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type FP_CONTEXT is record
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fpRegSet : FPREG_SET;
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stateFrame : Fp_State_Frame_Array;
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end record;
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pragma Convention (C, FP_CONTEXT);
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Num_HW_Interrupts : constant := 256;
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-- Number of entries in the hardware interrupt vector table
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end System.VxWorks;
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