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#ifndef CYGONCE_HAL_ARCH_INC

#define CYGONCE_HAL_ARCH_INC

##=============================================================================

##

##      arch.inc

##

##      H8/300 assembler header file

##

##=============================================================================

## ####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):   yoshinori sato

## Contributors:        yoshinori sato

## Date:        2002-02-14

## Purpose:     Architecture definitions.

## Description: This file contains various definitions and macros that are

##              useful for writing assembly code for the H8300 CPU family.

## Usage:

##              #include 

##              ...

##

##

######DESCRIPTIONEND####

##

##=============================================================================

#include 

#include 

##-----------------------------------------------------------------------------

## CPU specific macros. These provide a common assembler interface to

## operations that may have CPU specific implementations on different

## variants of the architecture.

#ifndef CYGPKG_HAL_H8300_CPU_INIT_DEFINED

        # Initialize CPU

        .macro  hal_cpu_init

        # Set up the PSW

        ldc     #0xc0,ccr

        .endm

#endif

        # Enable further exception processing, and disable

        # interrupt processing.

        .macro hal_cpu_except_enable

        .endm

        # Return from exception.

        .macro  hal_cpu_eret pc,sr

        .endm

##-----------------------------------------------------------------------------

# Default interrupt decoding macros.

#ifndef CYGPKG_HAL_H8300_INTC_DEFINED

#ifndef CYGPKG_HAL_H8300_INTC_INIT_DEFINED

        # initialize all interrupts to disabled

        .macro  hal_intc_init

        .endm

#endif

        .macro  hal_intc_decode vnum

        .endm

#endif

#------------------------------------------------------------------------------

# MMU macros.

#ifndef CYGPKG_HAL_H8300_MMU_DEFINED

        .macro  hal_mmu_init

        .endm

#endif

#------------------------------------------------------------------------------

# MEMC macros.

#ifndef CYGPKG_HAL_H8300_MEMC_DEFINED

        .macro  hal_memc_init

        .endm

#endif

#------------------------------------------------------------------------------

# Cache macros.

#ifndef CYGPKG_HAL_H8300_CACHE_DEFINED

        .macro  hal_cache_init

        .endm

#endif

#------------------------------------------------------------------------------

# Diagnostics macros.

#ifndef CYGPKG_HAL_H8300_DIAG_DEFINED

        .macro  hal_diag_init

        .endm

        .macro  hal_diag_excpt_start

        .endm

        .macro  hal_diag_intr_start

        .endm

        .macro  hal_diag_restore

        .endm

        .macro  hal_diag_data

        .endm

#endif

#------------------------------------------------------------------------------

# Timer initialization.

#ifndef CYGPKG_HAL_H8300_TIMER_DEFINED

        .macro  hal_timer_init

        .endm

#endif

#------------------------------------------------------------------------------

# Monitor initialization.

#ifndef CYGPKG_HAL_H8300_MON_DEFINED

        .macro  hal_mon_init

        .endm

#endif

#------------------------------------------------------------------------------

#endif // ifndef CYGONCE_HAL_ARCH_INC

# end of arch.inc