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

//

//      hal_diag.c

//

//      HAL diagnostic output code

//

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

//####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).

//

// Contributed by: Kevin Hester <khester@opticworks.com>

// Maintained by:  <Unmaintained>

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

//

//####UNSUPPORTEDEND####

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

//####ECOSGPLCOPYRIGHTBEGIN####

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

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

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, 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.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.

//

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

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

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

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

//####ECOSGPLCOPYRIGHTEND####

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

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

//

// Author(s):   nickg, jskov

// Contributors:nickg

// Date:        1998-03-02

// Purpose:     HAL diagnostic output

// Description: Implementations of HAL diagnostic output support.

//

//####DESCRIPTIONEND####

//

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

#include <pkgconf/hal.h>

#ifndef CYGSEM_HAL_VIRTUAL_VECTOR_DIAG

#include <cyg/infra/cyg_type.h>         // base types

#include <cyg/infra/cyg_trac.h>         // tracing macros

#include <cyg/infra/cyg_ass.h>          // assertion macros

#include <cyg/hal/hal_io.h>             // IO macros

#include <cyg/hal/hal_diag.h>

#include <cyg/hal/hal_intr.h>           // Interrupt macros

#if defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)

#include <cyg/hal/hal_stub.h>           // hal_output_gdb_string

#endif

#include <cyg/hal/ppc_regs.h>

#include <cyg/hal/quicc_smc2.h>

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

// Select default diag channel to use

//#define CYG_KERNEL_DIAG_ROMART

//#define CYG_KERNEL_DIAG_SERIAL

#if !defined(CYG_KERNEL_DIAG_SERIAL)

#define CYG_KERNEL_DIAG_SERIAL

#endif

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

// Fads board specific serial

#if defined(CYG_KERNEL_DIAG_SERIAL)

void hal_diag_init(void)

{

#if !defined(CYGDBG_KERNEL_DEBUG_GDB_INCLUDE_STUBS)

    // init the actual serial port

    cyg_smc2_init(9600);

#endif

}

void hal_diag_write_char(char c)

{

#if !defined(CYGDBG_KERNEL_DEBUG_GDB_INCLUDE_STUBS)

    unsigned long __state;

    HAL_DISABLE_INTERRUPTS(__state);

    cyg_smc2_putchar(c);

    HAL_RESTORE_INTERRUPTS(__state);

#else

    hal_output_gdb_string (&c, 1);

#endif

}

void hal_diag_read_char(char *c)

{

    *c = cyg_smc2_getchar();

}

#endif

#endif // CYGSEM_HAL_VIRTUAL_VECTOR_DIAG