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#ifndef CYGONCE_HAL_DIAG_H

#define CYGONCE_HAL_DIAG_H

/*=============================================================================

//

//      hal_diag.h

//

//      MCFxxxx HAL Support for Kernel Diagnostic Routines

//

//=============================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####

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

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 2003, 2006, 2008 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

// Software Foundation; either version 2 or (at your option) any later

// version.

//

// eCos is distributed in the hope that it will be useful, but WITHOUT

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

// 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

// and link it with other works to produce a work based on this file,

// this file does not by itself cause the resulting work to be covered by

// the GNU General Public License. However the source code for this file

// must still be made available in accordance with section (3) of the GNU

// General Public License v2.

//

// This exception does not invalidate any other reasons why a work based

// on this file might be covered by the GNU General Public License.

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

// ####ECOSGPLCOPYRIGHTEND####

//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    bartv

// Date:         2003-06-04

//

//####DESCRIPTIONEND####

//===========================================================================*/

#include <pkgconf/hal.h>

#include <pkgconf/hal_m68k_mcfxxxx.h>

#include <cyg/infra/cyg_type.h>

#include <cyg/hal/hal_io.h>

#include <cyg/hal/hal_intr.h>

#include <cyg/hal/hal_if.h>

// On most ColdFire platforms the mcfxxxx variant HAL provides the HAL

// diagnostics support via a UART. The

// CYGINT_HAL_M68K_MCFxxxx_DIAGNOSTICS_USE_DEFAULT interface

// enables this.

#if defined(CYGSEM_HAL_VIRTUAL_VECTOR_DIAG) && !defined(CYGSEM_HAL_VIRTUAL_VECTOR_CLAIM_COMMS)

#   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_)

#elif !defined(CYGINT_HAL_M68K_MCFxxxx_DIAGNOSTICS_USE_DEFAULT)

// Allow the platform HAL to provide the diagnostics channel.

#  include <cyg/hal/plf_diag.h>

#else

externC void        hal_mcfxxxx_diag_uart_init(cyg_uint8*, cyg_uint32);

externC void        hal_mcfxxxx_diag_uart_putc(void*, char c);

externC cyg_uint8   hal_mcfxxxx_diag_uart_getc(void*);

# if defined(CYGHWR_HAL_M68K_MCFxxxx_DIAGNOSTICS_PORT_uart0)

#  define _HAL_MCFxxxx_DIAG_UART_BASE_    HAL_MCFxxxx_UART0_BASE

#  define _HAL_MCFxxxx_DIAG_UART_ISRVEC_  CYGNUM_HAL_ISR_UART0

# elif defined(CYGHWR_HAL_M68K_MCFxxxx_DIAGNOSTICS_PORT_uart1)

#  define _HAL_MCFxxxx_DIAG_UART_BASE_    HAL_MCFxxxx_UART1_BASE

#  define _HAL_MCFxxxx_DIAG_UART_ISRVEC_  CYGNUM_HAL_ISR_UART1

# elif defined(CYGHWR_HAL_M68K_MCFxxxx_DIAGNOSTICS_PORT_uart2)

#  define _HAL_MCFxxxx_DIAG_UART_BASE_    HAL_MCFxxxx_UART2_BASE

#  define _HAL_MCFxxxx_DIAG_UART_ISRVEC_  CYGNUM_HAL_ISR_UART2

# else

#  error Diagnostics channel UART base not defined.

# endif

// Even if the standard diagnostics facilities are enabled, allow the

// platform HAL to override things.

# ifndef HAL_DIAG_INIT

#  define HAL_DIAG_INIT()                                                           \

     CYG_MACRO_START                                                                \

     hal_mcfxxxx_diag_uart_init((cyg_uint8*) (_HAL_MCFxxxx_DIAG_UART_BASE_),        \

                             CYGNUM_HAL_M68K_MCFxxxx_DIAGNOSTICS_BAUD);             \

     CYG_MACRO_END

# endif

# ifndef HAL_DIAG_WRITE_CHAR

#  define HAL_DIAG_WRITE_CHAR(_c_)                                                  \

    CYG_MACRO_START                                                                 \

    hal_mcfxxxx_diag_uart_putc((void*)_HAL_MCFxxxx_DIAG_UART_BASE_, _c_);           \

    CYG_MACRO_END

# endif

# ifndef HAL_DIAG_READ_CHAR

#  define HAL_DIAG_READ_CHAR(_c_)                                                   \

    CYG_MACRO_START                                                                 \

    (_c_) = hal_mcfxxxx_diag_uart_getc((void*)(_HAL_MCFxxxx_DIAG_UART_BASE_));      \

    CYG_MACRO_END

# endif

#endif      // VV/MCFxxxx_DIAGNOSTICS

#endif /* CYGONCE_HAL_DIAG_H */