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