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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [powerpc/] [vads/] [v2_0/] [include/] [hal_diag.h] - Blame information for rev 454

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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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// Copyright (C) 2002 Gary Thomas
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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:        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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#ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
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// These should not need to be prototyped here, but where????
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cyg_uint8
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cyg_hal_plf_serial_getc(void);
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#if 1
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void
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cyg_hal_plf_serial_putc(cyg_uint8 ch);
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#else
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void
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cyg_hal_plf_serial_putc(void* __ch_data, cyg_uint8 ch);
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#endif
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#if 1
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void
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cyg_hal_plf_serial_init(void);
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#else
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void
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cyg_hal_plf_serial_init_channel(void);
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#endif
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#endif //#ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
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#define LATER
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#ifdef LATER
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// See the #else clause at the end
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#if defined(CYGSEM_HAL_VIRTUAL_VECTOR_DIAG)
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#include <cyg/hal/hal_if.h>
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#define HAL_DIAG_INIT() hal_if_diag_init()
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#define HAL_DIAG_WRITE_CHAR(_c_) hal_if_diag_write_char(_c_)
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#define HAL_DIAG_READ_CHAR(_c_) hal_if_diag_read_char(&_c_)
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#else // everything by steam
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//-----------------------------------------------------------------------------
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// functions implemented in hal_diag.c
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externC void hal_diag_init(void);
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externC void hal_diag_write_char(char c);
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externC void hal_diag_read_char(char *c);
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//-----------------------------------------------------------------------------
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#define HAL_DIAG_INIT() hal_diag_init()
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#define HAL_DIAG_WRITE_CHAR(_c_) hal_diag_write_char(_c_)
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#define HAL_DIAG_READ_CHAR(_c_) hal_diag_read_char(&_c_)
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#endif // CYGSEM_HAL_VIRTUAL_VECTOR_DIAG
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//-----------------------------------------------------------------------------
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// end of hal_diag.h
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#else
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// Need to figure out what to do here at some point, for now, I just copied
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// these from the simulator hal_diag.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          0xf0001000
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//-----------------------------------------------------------------------------
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#define HAL_DIAG_INIT()
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// Added by WPD
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#ifndef HAL_DISABLE_INTERRUPTS
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#define HAL_DISABLE_INTERRUPTS
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#define HAL_RESTORE_INTERRUPTS
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#endif
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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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#endif // LATER
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#endif // CYGONCE_HAL_HAL_DIAG_H

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