#ifndef CYGONCE_HAL_HAL_DIAG_H
#define CYGONCE_HAL_HAL_DIAG_H

//=============================================================================
//
//      hal_diag.h
//
//      HAL Support for Kernel Diagnostic Routines
//
//=============================================================================
//####UNSUPPORTEDBEGIN####
//
// -------------------------------------------
// This source file has been contributed to eCos/Red Hat. It may have been
// changed slightly to provide an interface consistent with those of other 
// files.
//
// The functionality and contents of this file is supplied "AS IS"
// without any form of support and will not necessarily be kept up
// to date by Red Hat.
//
// All inquiries about this file, or the functionality provided by it,
// should be directed to the 'ecos-discuss' mailing list (see
// http://sourceware.cygnus.com/ecos/intouch.html for details).
//
// Maintained by:  <Unmaintained>
// -------------------------------------------
//
//####UNSUPPORTEDEND####
//=============================================================================
//####COPYRIGHTBEGIN####
//                                                                          
// -------------------------------------------                              
// The contents of this file are subject to the Red Hat eCos Public License 
// Version 1.1 (the "License"); you may not use this file except in         
// compliance with the License.  You may obtain a copy of the License at    
// http://www.redhat.com/                                                   
//                                                                          
// 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 Configurable Operating System,      
// released September 30, 1998.                                             
//                                                                          
// The Initial Developer of the Original Code is Red Hat.                   
// Portions created by Red Hat are                                          
// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
// All Rights Reserved.                                                     
// -------------------------------------------                              
//                                                                          
//####COPYRIGHTEND####
//=============================================================================
//#####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>

externC void cyg_hal_plf_serial_init(void);
externC void cyg_hal_plf_serial_putc(void* __ch_data, cyg_uint8 __ch);
externC cyg_uint8 cyg_hal_plf_serial_getc(void* __ch_data);

#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