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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): nickg
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// Contributors: nickg
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// Date: 1999-03-23
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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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#include <cyg/hal/hal_intr.h> // HAL_DISABLE/RESTORE_INTERRUPTS macros
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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 0xf0001000
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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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CYG_MACRO_START \
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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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unsigned long __state; \
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\
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HAL_DISABLE_INTERRUPTS(__state); \
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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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HAL_RESTORE_INTERRUPTS(__state); \
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CYG_MACRO_END
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#define HAL_DIAG_READ_CHAR(_c_) \
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CYG_MACRO_START \
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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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CYG_MACRO_END
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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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