#ifndef CYGONCE_HAL_HAL_DIAG_H
#define CYGONCE_HAL_HAL_DIAG_H

//=============================================================================
//
//      hal_diag.h
//
//      HAL Support for Kernel Diagnostic Routines
//
//=============================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under    
// the terms of the GNU General Public License as published by the Free     
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// version.                                                                 
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
//
// You should have received a copy of the GNU General Public License        
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
//
// As a special exception, if other files instantiate templates or use      
// macros or inline functions from this file, or you compile this file      
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// this file does not by itself cause the resulting work to be covered by   
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// General Public License v2.                                               
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// on this file might be covered by the GNU General Public License.         
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// ####ECOSGPLCOPYRIGHTEND####                                              
//=============================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   nickg
// Contributors:        nickg
// Date:        1998-03-02
// Purpose:     HAL Support for Kernel Diagnostic Routines
// Description: Diagnostic routines for use during kernel development.
// Usage:       #include <cyg/hal/hal_diag.h>
//
//####DESCRIPTIONEND####
//
//=============================================================================

#include <pkgconf/hal.h>

#include <cyg/infra/cyg_type.h>

#if defined(CYGSEM_HAL_VIRTUAL_VECTOR_DIAG)

#include <cyg/hal/hal_if.h>

#define HAL_DIAG_INIT() hal_if_diag_init()
#define HAL_DIAG_WRITE_CHAR(_c_) hal_if_diag_write_char(_c_)
#define HAL_DIAG_READ_CHAR(_c_) hal_if_diag_read_char(&_c_)

#else // everything by steam

//-----------------------------------------------------------------------------
// functions implemented in hal_diag.c

externC void hal_diag_init(void);

externC void hal_diag_write_char(char c);

externC void hal_diag_read_char(char *c);

//-----------------------------------------------------------------------------

#define HAL_DIAG_INIT() hal_diag_init()

#define HAL_DIAG_WRITE_CHAR(_c_) hal_diag_write_char(_c_)

#define HAL_DIAG_READ_CHAR(_c_) hal_diag_read_char(&_c_)

#endif // CYGSEM_HAL_VIRTUAL_VECTOR_DIAG

//-----------------------------------------------------------------------------
// end of hal_diag.h
#endif // CYGONCE_HAL_HAL_DIAG_H
