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#ifndef CYGONCE_HAL_HAL_DIAG_H
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#define CYGONCE_HAL_HAL_DIAG_H
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/*=============================================================================
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//
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// hal_diag.h
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//
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// HAL Support for Kernel Diagnostic Routines
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//
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//=============================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): hmt
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// Contributors: hmt
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// Date: 1999-01-11
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// Purpose: HAL Support for Kernel Diagnostic Routines
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// Description: Diagnostic routines for use during kernel development.
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// Usage: #include <cyg/hal/hal_diag.h>
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//
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//####DESCRIPTIONEND####
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//
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//===========================================================================*/
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#include <pkgconf/hal.h>
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#include <cyg/infra/cyg_type.h>
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/*---------------------------------------------------------------------------*/
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#define CYG_DIAG_USE_LEON
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/*---------------------------------------------------------------------------*/
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#ifdef CYG_DIAG_USE_LEON
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/*---------------------------------------------------------------------------*/
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/* Register addresses */
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#define SPARC_LEON_REG (0x80000000)
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/* These must be accessed word-wide to work! */
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#define SPARC_LEON_UART_IO( x ) ((cyg_uint32)(x))
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#define SPARC_LEON_UART_A_RX ((volatile cyg_uint32 *)(SPARC_LEON_REG + 0x70))
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#define SPARC_LEON_UART_A_TX ((volatile cyg_uint32 *)(SPARC_LEON_REG + 0x70))
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#define SPARC_LEON_UART_STATUS ((volatile cyg_uint32 *)(SPARC_LEON_REG + 0x74))
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#define SPARC_LEON_UART_RXAMASK (0x00001)
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#define SPARC_LEON_UART_TXAMASK (0x00004)
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/*---------------------------------------------------------------------------*/
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#define HAL_DIAG_INIT()
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#define HAL_DIAG_WRITE_CHAR(_c_) \
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{ \
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if( 1 || _c_ != '\r' ) \
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{ \
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while( (SPARC_LEON_UART_TXAMASK & *SPARC_LEON_UART_STATUS) == 0 ) \
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continue; \
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*SPARC_LEON_UART_A_TX = SPARC_LEON_UART_IO(_c_); \
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} \
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}
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#define HAL_DIAG_READ_CHAR(_c_) \
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{ \
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while( (SPARC_LEON_UART_RXAMASK & *SPARC_LEON_UART_STATUS) == 0 ) \
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continue; \
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_c_ = (char)*SPARC_LEON_UART_A_TX; \
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}
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#define XHAL_DIAG_WRITE_CHAR(_c_) \
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{ \
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if( _c_ != '\r' ) \
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{ \
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*SPARC_LEON_UART_A_TX = SPARC_LEON_UART_IO(_c_); \
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} \
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}
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#define XHAL_DIAG_READ_CHAR(_c_) \
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{ \
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_c_ = (char)*SPARC_LEON_UART_A_TX; \
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}
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#else
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/*---------------------------------------------------------------------------*/
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/* There is no diagnostic output on LEON processor */
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#define HAL_DIAG_INIT()
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#define HAL_DIAG_WRITE_CHAR(_c_)
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#define HAL_DIAG_READ_CHAR(_c_) (_c_) = 0
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#endif
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/*---------------------------------------------------------------------------*/
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/* end of hal_diag.h */
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#endif /* CYGONCE_HAL_HAL_DIAG_H */
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