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skrzyp |
#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 Free Software Foundation, 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
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY 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
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public 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): nickg
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// Contributors: nickg
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// Date: 1998-03-02
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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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/* Register addresses */
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#define PAL_RESET 0x00
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#define PAL_CPU_NR 0x04
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#define PAL_INT 0x08
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#define PAL_NR_CPU 0x0a
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#define PAL_READ_FIFO 0x10
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#define PAL_READ_STATUS 0x14
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#define PAL_WRITE_FIFO 0x18
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#define PAL_WRITE_STATUS 0x1a
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#define OEA_DEV 0x31000000
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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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volatile unsigned char *tty_buffer = \
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(unsigned char*)(OEA_DEV + PAL_WRITE_FIFO); \
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volatile unsigned char *tty_status = \
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(unsigned char*)(OEA_DEV + PAL_WRITE_STATUS); \
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if( _c_ != '\r' ) \
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{ \
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while( *tty_status == 0 ) continue; \
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*tty_buffer = _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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volatile unsigned char *tty_buffer = \
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(unsigned char*)(OEA_DEV + PAL_READ_FIFO); \
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volatile unsigned char *tty_status = \
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(unsigned char*)(OEA_DEV + PAL_READ_STATUS); \
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while( *tty_status == 0 ) continue; \
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_c_ = *tty_buffer; \
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}
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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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