57 lines
3.4 KiB
Ada
57 lines
3.4 KiB
Ada
------------------------------------------------------------------------------
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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) 1998-2005 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 2, or (at your option) any later ver- --
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-- sion. GNARL 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. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNARL; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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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 x86 VxWorks version of this package
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package System.VxWorks is
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pragma Preelaborate;
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-- Floating point context record. x86 version
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-- There are two kinds of FP_CONTEXT for this architecture, corresponding
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-- to newer and older processors. The type is defined in fppI86lib.h as a
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-- union. The form used depends on the versions of the save and restore
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-- routines that are selected by the user (these versions are provided in
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-- vxwork.ads). Since we do not examine the contents of these objects, it
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-- is sufficient to declare the type as of the required size: 512 bytes.
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type FP_CONTEXT is array (1 .. 128) of Integer;
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for FP_CONTEXT'Alignment use 4;
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for FP_CONTEXT'Size use 512 * Storage_Unit;
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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 hardware interrupt vector table
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end System.VxWorks;
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