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#ifndef CYGONCE_HAL_VARIANT_INC

#define CYGONCE_HAL_VARIANT_INC

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

##

##      variant.inc

##

##      H8/300H assembler header file

##

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

#####ECOSGPLCOPYRIGHTBEGIN####

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

## This file is part of eCos, the Embedded Configurable Operating System.

## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, 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.,

## 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.

##

## This exception does not invalidate any other reasons why a work based on

## this file might be covered by the GNU General Public License.

##

## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

## at http://sources.redhat.com/ecos/ecos-license/

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

#####ECOSGPLCOPYRIGHTEND####

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

#######DESCRIPTIONBEGIN####

##

## Author(s):   nickg

## Contributors:        nickg

## Date:        1999-04-06

## Purpose:     H8/300H definitions.

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

##              useful for writing assembly code for the H8/300H CPU variant.

## Usage:

##              #include 

##              ...

##

##

######DESCRIPTIONEND####

##

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

#include 

#include 

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

# Register definitions

#define SYSCR 0xfee012

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

# CPU state save and restore macros

        .macro  hal_cpu_save_all

        stc     ccr,@-sp

        subs    #2,sp

        subs    #4,sp

        mov.l   er6,@-sp                # push all registers

        mov.l   er5,@-sp

        mov.l   er4,@-sp

        mov.l   er3,@-sp

        mov.l   er2,@-sp

        mov.l   er1,@-sp

        mov.l   er0,@-sp

        .endm

        .macro  hal_cpu_load_all

        mov.l   @sp+,er0                # pop regs

        mov.l   @sp+,er1

        mov.l   @sp+,er2

        mov.l   @sp+,er3

        mov.l   @sp+,er4

        mov.l   @sp+,er5

        mov.l   @sp+,er6

        adds    #4,sp

        adds    #2,sp

        ldc     @sp+,ccr

        .endm

# Location of PC in saved register context (HAL_SavedRegisters)

#define SAVED_CONTEXT_PC_OFFSET          36

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

# Default interrupt decoding macros.

#ifndef CYGPKG_HAL_H8300_INTC_DEFINED

#define CYG_ISR_TABLE_SIZE       64

        .macro  hal_intc_init

        mov.b   @SYSCR,r0l

        bclr    #3,r0l

        mov.b   r0l,@SYSCR

        .endm

#define CYGPKG_HAL_H8300_INTC_DEFINED

#endif

#ifndef CYGPKG_HAL_H8300_MON_DEFINED

        .macro  hal_mon_init

        .endm

#if !(defined(CYG_HAL_STARTUP_ROM)              || \

        defined(CYGPKG_HAL_H8300_H8300H_SIM)    || \

        !defined(CYGSEM_HAL_USE_ROM_MONITOR))

#define CYG_HAL_H8300_VSR_TABLE_DEFINED

#endif

#define CYGPKG_HAL_H8300_MON_DEFINED

#endif

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

#endif // ifndef CYGONCE_HAL_VARIANT_INC

# end of variant.inc