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#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
// 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): hmt
// Contributors: hmt
// Date: 1999-01-11
// 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>
/*---------------------------------------------------------------------------*/
#define CYG_DIAG_USE_ERC32
/*---------------------------------------------------------------------------*/
#ifdef CYG_DIAG_USE_ERC32
/*---------------------------------------------------------------------------*/
/* Register addresses */
#define SPARC_MEC_UART (0x01f800e0)
/* These must be accessed word-wide to work! */
#define SPARC_MEC_UART_IO( x ) ((cyg_uint32)(x))
#define SPARC_MEC_UART_A_RX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 0))
#define SPARC_MEC_UART_A_TX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 0))
#define SPARC_MEC_UART_B_RX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 4))
#define SPARC_MEC_UART_B_TX ((volatile cyg_uint32 *)(SPARC_MEC_UART + 4))
#define SPARC_MEC_UART_STATUS ((volatile cyg_uint32 *)(SPARC_MEC_UART + 8))
#define SPARC_MEC_UART_TXAMASK (0x00004)
#define SPARC_MEC_UART_TXBMASK (0x40000)
#define SPARC_MEC_UART_RXAMASK (0x00001)
#define SPARC_MEC_UART_RXBMASK (0x10000)
/*---------------------------------------------------------------------------*/
#define HAL_DIAG_INIT()
#define HAL_DIAG_WRITE_CHAR(_c_) \
{ \
if( 1 || _c_ != '\r' ) \
{ \
while( (SPARC_MEC_UART_TXAMASK & *SPARC_MEC_UART_STATUS) == 0 ) \
continue; \
*SPARC_MEC_UART_A_TX = SPARC_MEC_UART_IO(_c_); \
} \
}
#define HAL_DIAG_READ_CHAR(_c_) \
{ \
while( (SPARC_MEC_UART_RXAMASK & *SPARC_MEC_UART_STATUS) == 0 ) \
continue; \
_c_ = (char)*SPARC_MEC_UART_A_TX; \
}
#define XHAL_DIAG_WRITE_CHAR(_c_) \
{ \
if( _c_ != '\r' ) \
{ \
*SPARC_MEC_UART_A_TX = SPARC_MEC_UART_IO(_c_); \
} \
}
#define XHAL_DIAG_READ_CHAR(_c_) \
{ \
_c_ = (char)*SPARC_MEC_UART_A_TX; \
}
#else
/*---------------------------------------------------------------------------*/
/* There is no diagnostic output on SPARC simulator */
#define HAL_DIAG_INIT()
#define HAL_DIAG_WRITE_CHAR(_c_)
#define HAL_DIAG_READ_CHAR(_c_) (_c_) = 0
#endif
/*---------------------------------------------------------------------------*/
/* end of hal_diag.h */
#endif /* CYGONCE_HAL_HAL_DIAG_H */
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