ioinit.cxx

ecos为实时嵌入式操作系统

//==========================================================================
//
//      io/iosys.c
//
//      I/O Subsystem + Device Table support
//
//==========================================================================
//####COPYRIGHTBEGIN####
//
// -------------------------------------------
// The contents of this file are subject to the Cygnus eCos Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License.  You may obtain a copy of the License at
// http://sourceware.cygnus.com/ecos
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
// License for the specific language governing rights and limitations under
// the License.
// 
// The Original Code is eCos - Embedded Cygnus Operating System, released
// September 30, 1998.
// 
// The Initial Developer of the Original Code is Cygnus.  Portions created
// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions.  All Rights Reserved.
// -------------------------------------------
//
//####COPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   gthomas
// Contributors:  gthomas
// Date:        1999-02-04
// Purpose:     Device Table
// Description: 
//
//####DESCRIPTIONEND####
//
//==========================================================================

#include <cyg/io/io.h>
#include <cyg/io/devtab.h>

// This is a dummy class just so we can execute the I/O package 
// initialization at it's proper priority

externC void cyg_io_init(void);

class cyg_io_init_class {
public:
    cyg_io_init_class(void) { 
        cyg_io_init();
    }
};

// And here's an instance of the class just to make the code run
static cyg_io_init_class _cyg_io_init CYGBLD_ATTRIB_INIT_PRI(CYG_INIT_IO);