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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): nickg
// Contributors: nickg
// Date: 1999-03-23
// 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>
#include <cyg/hal/hal_intr.h> // HAL_DISABLE/RESTORE_INTERRUPTS macros
//-----------------------------------------------------------------------------
// Register addresses
#define PAL_RESET 0x00
#define PAL_CPU_NR 0x04
#define PAL_INT 0x08
#define PAL_NR_CPU 0x0a
#define PAL_READ_FIFO 0x10
#define PAL_READ_STATUS 0x14
#define PAL_WRITE_FIFO 0x18
#define PAL_WRITE_STATUS 0x1a
#define OEA_DEV 0xf0001000
//-----------------------------------------------------------------------------
#define HAL_DIAG_INIT()
#define HAL_DIAG_WRITE_CHAR(_c_) \
CYG_MACRO_START \
volatile unsigned char *tty_buffer = \
(unsigned char*)(OEA_DEV + PAL_WRITE_FIFO); \
volatile unsigned char *tty_status = \
(unsigned char*)(OEA_DEV + PAL_WRITE_STATUS); \
unsigned long __state; \
\
HAL_DISABLE_INTERRUPTS(__state); \
if( _c_ != '\r' ) \
{ \
while( *tty_status == 0 ) continue; \
*tty_buffer = _c_; \
} \
HAL_RESTORE_INTERRUPTS(__state); \
CYG_MACRO_END
#define HAL_DIAG_READ_CHAR(_c_) \
CYG_MACRO_START \
volatile unsigned char *tty_buffer = \
(unsigned char*)(OEA_DEV + PAL_READ_FIFO); \
volatile unsigned char *tty_status = \
(unsigned char*)(OEA_DEV + PAL_READ_STATUS); \
while( *tty_status == 0 ) continue; \
_c_ = *tty_buffer; \
CYG_MACRO_END
//-----------------------------------------------------------------------------
// end of hal_diag.h
#endif // CYGONCE_HAL_HAL_DIAG_H
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